7742 lines
240 KiB
C++
7742 lines
240 KiB
C++
/*************************************************************************/
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/* shader_language.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "shader_language.h"
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#include "core/os/os.h"
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#include "core/string/print_string.h"
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#include "servers/rendering_server.h"
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static bool _is_text_char(char32_t c) {
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return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || (c >= '0' && c <= '9') || c == '_';
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}
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static bool _is_number(char32_t c) {
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return (c >= '0' && c <= '9');
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}
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static bool _is_hex(char32_t c) {
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return (c >= '0' && c <= '9') || (c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F');
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}
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String ShaderLanguage::get_operator_text(Operator p_op) {
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static const char *op_names[OP_MAX] = { "==",
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"!=",
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"<",
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"<=",
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">",
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">=",
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"&&",
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"||",
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"!",
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"-",
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"+",
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"-",
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"*",
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"/",
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"%",
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"<<",
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">>",
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"=",
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"+=",
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"-=",
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"*=",
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"/=",
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"%=",
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"<<=",
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">>=",
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"&=",
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"|=",
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"^=",
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"&",
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"|",
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"^",
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"~",
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"++",
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"--",
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"?",
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":",
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"++",
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"--",
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"()",
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"construct",
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"index" };
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return op_names[p_op];
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}
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const char *ShaderLanguage::token_names[TK_MAX] = {
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"EMPTY",
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"IDENTIFIER",
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"TRUE",
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"FALSE",
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"REAL_CONSTANT",
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"INT_CONSTANT",
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"TYPE_VOID",
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"TYPE_BOOL",
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"TYPE_BVEC2",
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"TYPE_BVEC3",
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"TYPE_BVEC4",
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"TYPE_INT",
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"TYPE_IVEC2",
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"TYPE_IVEC3",
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"TYPE_IVEC4",
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"TYPE_UINT",
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"TYPE_UVEC2",
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"TYPE_UVEC3",
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"TYPE_UVEC4",
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"TYPE_FLOAT",
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"TYPE_VEC2",
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"TYPE_VEC3",
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"TYPE_VEC4",
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"TYPE_MAT2",
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"TYPE_MAT3",
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"TYPE_MAT4",
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"TYPE_SAMPLER2D",
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"TYPE_ISAMPLER2D",
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"TYPE_USAMPLER2D",
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"TYPE_SAMPLER2DARRAY",
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"TYPE_ISAMPLER2DARRAY",
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"TYPE_USAMPLER2DARRAY",
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"TYPE_SAMPLER3D",
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"TYPE_ISAMPLER3D",
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"TYPE_USAMPLER3D",
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"TYPE_SAMPLERCUBE",
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"TYPE_SAMPLERCUBEARRAY",
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"INTERPOLATION_FLAT",
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"INTERPOLATION_SMOOTH",
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"CONST",
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"PRECISION_LOW",
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"PRECISION_MID",
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"PRECISION_HIGH",
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"OP_EQUAL",
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"OP_NOT_EQUAL",
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"OP_LESS",
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"OP_LESS_EQUAL",
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"OP_GREATER",
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"OP_GREATER_EQUAL",
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"OP_AND",
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"OP_OR",
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"OP_NOT",
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"OP_ADD",
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"OP_SUB",
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"OP_MUL",
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"OP_DIV",
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"OP_MOD",
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"OP_SHIFT_LEFT",
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"OP_SHIFT_RIGHT",
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"OP_ASSIGN",
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"OP_ASSIGN_ADD",
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"OP_ASSIGN_SUB",
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"OP_ASSIGN_MUL",
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"OP_ASSIGN_DIV",
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"OP_ASSIGN_MOD",
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"OP_ASSIGN_SHIFT_LEFT",
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"OP_ASSIGN_SHIFT_RIGHT",
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"OP_ASSIGN_BIT_AND",
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"OP_ASSIGN_BIT_OR",
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"OP_ASSIGN_BIT_XOR",
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"OP_BIT_AND",
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"OP_BIT_OR",
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"OP_BIT_XOR",
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"OP_BIT_INVERT",
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"OP_INCREMENT",
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"OP_DECREMENT",
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"CF_IF",
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"CF_ELSE",
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"CF_FOR",
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"CF_WHILE",
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"CF_DO",
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"CF_SWITCH",
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"CF_CASE",
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"CF_BREAK",
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"CF_CONTINUE",
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"CF_RETURN",
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"CF_DISCARD",
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"BRACKET_OPEN",
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"BRACKET_CLOSE",
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"CURLY_BRACKET_OPEN",
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"CURLY_BRACKET_CLOSE",
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"PARENTHESIS_OPEN",
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"PARENTHESIS_CLOSE",
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"QUESTION",
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"COMMA",
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"COLON",
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"SEMICOLON",
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"PERIOD",
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"UNIFORM",
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"INSTANCE",
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"GLOBAL",
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"VARYING",
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"IN",
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"OUT",
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"INOUT",
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"RENDER_MODE",
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"HINT_WHITE_TEXTURE",
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"HINT_BLACK_TEXTURE",
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"HINT_NORMAL_TEXTURE",
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"HINT_ANISO_TEXTURE",
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"HINT_ALBEDO_TEXTURE",
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"HINT_BLACK_ALBEDO_TEXTURE",
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"HINT_COLOR",
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"HINT_RANGE",
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"HINT_INSTANCE_INDEX",
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"FILTER_NEAREST",
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"FILTER_LINEAR",
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"FILTER_NEAREST_MIPMAP",
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"FILTER_LINEAR_MIPMAP",
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"FILTER_NEAREST_MIPMAP_ANISO",
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"FILTER_LINEAR_MIPMAP_ANISO",
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"REPEAT_ENABLE",
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"REPEAT_DISABLE",
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"SHADER_TYPE",
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"CURSOR",
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"ERROR",
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"EOF",
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};
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String ShaderLanguage::get_token_text(Token p_token) {
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String name = token_names[p_token.type];
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if (p_token.type == TK_INT_CONSTANT || p_token.type == TK_FLOAT_CONSTANT) {
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name += "(" + rtos(p_token.constant) + ")";
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} else if (p_token.type == TK_IDENTIFIER) {
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name += "(" + String(p_token.text) + ")";
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} else if (p_token.type == TK_ERROR) {
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name += "(" + String(p_token.text) + ")";
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}
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return name;
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}
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ShaderLanguage::Token ShaderLanguage::_make_token(TokenType p_type, const StringName &p_text) {
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Token tk;
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tk.type = p_type;
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tk.text = p_text;
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tk.line = tk_line;
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if (tk.type == TK_ERROR) {
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_set_error(p_text);
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}
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return tk;
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}
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const ShaderLanguage::KeyWord ShaderLanguage::keyword_list[] = {
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{ TK_TRUE, "true" },
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{ TK_FALSE, "false" },
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{ TK_TYPE_VOID, "void" },
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{ TK_TYPE_BOOL, "bool" },
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{ TK_TYPE_BVEC2, "bvec2" },
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{ TK_TYPE_BVEC3, "bvec3" },
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{ TK_TYPE_BVEC4, "bvec4" },
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{ TK_TYPE_INT, "int" },
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{ TK_TYPE_IVEC2, "ivec2" },
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{ TK_TYPE_IVEC3, "ivec3" },
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{ TK_TYPE_IVEC4, "ivec4" },
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{ TK_TYPE_UINT, "uint" },
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{ TK_TYPE_UVEC2, "uvec2" },
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{ TK_TYPE_UVEC3, "uvec3" },
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{ TK_TYPE_UVEC4, "uvec4" },
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{ TK_TYPE_FLOAT, "float" },
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{ TK_TYPE_VEC2, "vec2" },
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{ TK_TYPE_VEC3, "vec3" },
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{ TK_TYPE_VEC4, "vec4" },
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{ TK_TYPE_MAT2, "mat2" },
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{ TK_TYPE_MAT3, "mat3" },
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{ TK_TYPE_MAT4, "mat4" },
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{ TK_TYPE_SAMPLER2D, "sampler2D" },
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{ TK_TYPE_ISAMPLER2D, "isampler2D" },
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{ TK_TYPE_USAMPLER2D, "usampler2D" },
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{ TK_TYPE_SAMPLER2DARRAY, "sampler2DArray" },
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{ TK_TYPE_ISAMPLER2DARRAY, "isampler2DArray" },
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{ TK_TYPE_USAMPLER2DARRAY, "usampler2DArray" },
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{ TK_TYPE_SAMPLER3D, "sampler3D" },
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{ TK_TYPE_ISAMPLER3D, "isampler3D" },
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{ TK_TYPE_USAMPLER3D, "usampler3D" },
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{ TK_TYPE_SAMPLERCUBE, "samplerCube" },
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{ TK_TYPE_SAMPLERCUBEARRAY, "samplerCubeArray" },
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{ TK_INTERPOLATION_FLAT, "flat" },
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{ TK_INTERPOLATION_SMOOTH, "smooth" },
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{ TK_CONST, "const" },
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{ TK_STRUCT, "struct" },
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{ TK_PRECISION_LOW, "lowp" },
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{ TK_PRECISION_MID, "mediump" },
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{ TK_PRECISION_HIGH, "highp" },
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{ TK_CF_IF, "if" },
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{ TK_CF_ELSE, "else" },
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{ TK_CF_FOR, "for" },
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{ TK_CF_WHILE, "while" },
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{ TK_CF_DO, "do" },
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{ TK_CF_SWITCH, "switch" },
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{ TK_CF_CASE, "case" },
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{ TK_CF_DEFAULT, "default" },
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{ TK_CF_BREAK, "break" },
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{ TK_CF_CONTINUE, "continue" },
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{ TK_CF_RETURN, "return" },
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{ TK_CF_DISCARD, "discard" },
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{ TK_UNIFORM, "uniform" },
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{ TK_INSTANCE, "instance" },
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{ TK_GLOBAL, "global" },
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{ TK_VARYING, "varying" },
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{ TK_ARG_IN, "in" },
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{ TK_ARG_OUT, "out" },
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{ TK_ARG_INOUT, "inout" },
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{ TK_RENDER_MODE, "render_mode" },
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{ TK_HINT_WHITE_TEXTURE, "hint_white" },
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{ TK_HINT_BLACK_TEXTURE, "hint_black" },
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{ TK_HINT_NORMAL_TEXTURE, "hint_normal" },
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{ TK_HINT_ROUGHNESS_NORMAL_TEXTURE, "hint_roughness_normal" },
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{ TK_HINT_ROUGHNESS_R, "hint_roughness_r" },
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{ TK_HINT_ROUGHNESS_G, "hint_roughness_g" },
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{ TK_HINT_ROUGHNESS_B, "hint_roughness_b" },
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{ TK_HINT_ROUGHNESS_A, "hint_roughness_a" },
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{ TK_HINT_ROUGHNESS_GRAY, "hint_roughness_gray" },
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{ TK_HINT_ANISO_TEXTURE, "hint_aniso" },
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{ TK_HINT_ALBEDO_TEXTURE, "hint_albedo" },
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{ TK_HINT_BLACK_ALBEDO_TEXTURE, "hint_black_albedo" },
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{ TK_HINT_COLOR, "hint_color" },
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{ TK_HINT_RANGE, "hint_range" },
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{ TK_HINT_INSTANCE_INDEX, "instance_index" },
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{ TK_FILTER_NEAREST, "filter_nearest" },
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{ TK_FILTER_LINEAR, "filter_linear" },
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{ TK_FILTER_NEAREST_MIPMAP, "filter_nearest_mipmap" },
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{ TK_FILTER_LINEAR_MIPMAP, "filter_linear_mipmap" },
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{ TK_FILTER_NEAREST_MIPMAP_ANISO, "filter_nearest_mipmap_aniso" },
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{ TK_FILTER_LINEAR_MIPMAP_ANISO, "filter_linear_mipmap_aniso" },
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{ TK_REPEAT_ENABLE, "repeat_enable" },
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{ TK_REPEAT_DISABLE, "repeat_disable" },
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{ TK_SHADER_TYPE, "shader_type" },
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{ TK_ERROR, nullptr }
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};
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ShaderLanguage::Token ShaderLanguage::_get_token() {
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#define GETCHAR(m_idx) (((char_idx + m_idx) < code.length()) ? code[char_idx + m_idx] : char32_t(0))
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while (true) {
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char_idx++;
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switch (GETCHAR(-1)) {
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case 0:
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return _make_token(TK_EOF);
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case 0xFFFF:
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return _make_token(TK_CURSOR); //for completion
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case '\t':
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case '\r':
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case ' ':
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continue;
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case '\n':
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tk_line++;
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continue;
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case '/': {
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switch (GETCHAR(0)) {
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case '*': { // block comment
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char_idx++;
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while (true) {
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if (GETCHAR(0) == 0) {
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return _make_token(TK_EOF);
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}
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if (GETCHAR(0) == '*' && GETCHAR(1) == '/') {
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char_idx += 2;
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break;
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} else if (GETCHAR(0) == '\n') {
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tk_line++;
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}
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char_idx++;
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}
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} break;
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case '/': { // line comment skip
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while (true) {
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if (GETCHAR(0) == '\n') {
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tk_line++;
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char_idx++;
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break;
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}
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if (GETCHAR(0) == 0) {
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return _make_token(TK_EOF);
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}
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char_idx++;
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}
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} break;
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case '=': { // diveq
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char_idx++;
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return _make_token(TK_OP_ASSIGN_DIV);
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} break;
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default:
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return _make_token(TK_OP_DIV);
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}
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continue; //a comment, continue to next token
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} break;
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case '=': {
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if (GETCHAR(0) == '=') {
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char_idx++;
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return _make_token(TK_OP_EQUAL);
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}
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return _make_token(TK_OP_ASSIGN);
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} break;
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case '<': {
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if (GETCHAR(0) == '=') {
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char_idx++;
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return _make_token(TK_OP_LESS_EQUAL);
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} else if (GETCHAR(0) == '<') {
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char_idx++;
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if (GETCHAR(0) == '=') {
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char_idx++;
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return _make_token(TK_OP_ASSIGN_SHIFT_LEFT);
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}
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return _make_token(TK_OP_SHIFT_LEFT);
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}
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return _make_token(TK_OP_LESS);
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} break;
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case '>': {
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if (GETCHAR(0) == '=') {
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char_idx++;
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return _make_token(TK_OP_GREATER_EQUAL);
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} else if (GETCHAR(0) == '>') {
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char_idx++;
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if (GETCHAR(0) == '=') {
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char_idx++;
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return _make_token(TK_OP_ASSIGN_SHIFT_RIGHT);
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}
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return _make_token(TK_OP_SHIFT_RIGHT);
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}
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return _make_token(TK_OP_GREATER);
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} break;
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case '!': {
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if (GETCHAR(0) == '=') {
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char_idx++;
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return _make_token(TK_OP_NOT_EQUAL);
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}
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return _make_token(TK_OP_NOT);
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} break;
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//case '"' //string - no strings in shader
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//case '\'' //string - no strings in shader
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case '{':
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return _make_token(TK_CURLY_BRACKET_OPEN);
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case '}':
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return _make_token(TK_CURLY_BRACKET_CLOSE);
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case '[':
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return _make_token(TK_BRACKET_OPEN);
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case ']':
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return _make_token(TK_BRACKET_CLOSE);
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case '(':
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return _make_token(TK_PARENTHESIS_OPEN);
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case ')':
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return _make_token(TK_PARENTHESIS_CLOSE);
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case ',':
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return _make_token(TK_COMMA);
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case ';':
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return _make_token(TK_SEMICOLON);
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case '?':
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return _make_token(TK_QUESTION);
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case ':':
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return _make_token(TK_COLON);
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case '^':
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return _make_token(TK_OP_BIT_XOR);
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case '~':
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return _make_token(TK_OP_BIT_INVERT);
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case '&': {
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if (GETCHAR(0) == '=') {
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char_idx++;
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return _make_token(TK_OP_ASSIGN_BIT_AND);
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} else if (GETCHAR(0) == '&') {
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char_idx++;
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return _make_token(TK_OP_AND);
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}
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return _make_token(TK_OP_BIT_AND);
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} break;
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case '|': {
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if (GETCHAR(0) == '=') {
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char_idx++;
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return _make_token(TK_OP_ASSIGN_BIT_OR);
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} else if (GETCHAR(0) == '|') {
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char_idx++;
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return _make_token(TK_OP_OR);
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}
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|
return _make_token(TK_OP_BIT_OR);
|
|
|
|
} break;
|
|
case '*': {
|
|
if (GETCHAR(0) == '=') {
|
|
char_idx++;
|
|
return _make_token(TK_OP_ASSIGN_MUL);
|
|
}
|
|
return _make_token(TK_OP_MUL);
|
|
} break;
|
|
case '+': {
|
|
if (GETCHAR(0) == '=') {
|
|
char_idx++;
|
|
return _make_token(TK_OP_ASSIGN_ADD);
|
|
} else if (GETCHAR(0) == '+') {
|
|
char_idx++;
|
|
return _make_token(TK_OP_INCREMENT);
|
|
}
|
|
|
|
return _make_token(TK_OP_ADD);
|
|
} break;
|
|
case '-': {
|
|
if (GETCHAR(0) == '=') {
|
|
char_idx++;
|
|
return _make_token(TK_OP_ASSIGN_SUB);
|
|
} else if (GETCHAR(0) == '-') {
|
|
char_idx++;
|
|
return _make_token(TK_OP_DECREMENT);
|
|
}
|
|
|
|
return _make_token(TK_OP_SUB);
|
|
} break;
|
|
case '%': {
|
|
if (GETCHAR(0) == '=') {
|
|
char_idx++;
|
|
return _make_token(TK_OP_ASSIGN_MOD);
|
|
}
|
|
|
|
return _make_token(TK_OP_MOD);
|
|
} break;
|
|
default: {
|
|
char_idx--; //go back one, since we have no idea what this is
|
|
|
|
if (_is_number(GETCHAR(0)) || (GETCHAR(0) == '.' && _is_number(GETCHAR(1)))) {
|
|
// parse number
|
|
bool period_found = false;
|
|
bool exponent_found = false;
|
|
bool hexa_found = false;
|
|
bool sign_found = false;
|
|
bool float_suffix_found = false;
|
|
|
|
String str;
|
|
int i = 0;
|
|
|
|
while (true) {
|
|
if (GETCHAR(i) == '.') {
|
|
if (period_found || exponent_found || hexa_found || float_suffix_found) {
|
|
return _make_token(TK_ERROR, "Invalid numeric constant");
|
|
}
|
|
period_found = true;
|
|
} else if (GETCHAR(i) == 'x') {
|
|
if (hexa_found || str.length() != 1 || str[0] != '0') {
|
|
return _make_token(TK_ERROR, "Invalid numeric constant");
|
|
}
|
|
hexa_found = true;
|
|
} else if (GETCHAR(i) == 'e') {
|
|
if (hexa_found || exponent_found || float_suffix_found) {
|
|
return _make_token(TK_ERROR, "Invalid numeric constant");
|
|
}
|
|
exponent_found = true;
|
|
} else if (GETCHAR(i) == 'f') {
|
|
if (hexa_found || exponent_found) {
|
|
return _make_token(TK_ERROR, "Invalid numeric constant");
|
|
}
|
|
float_suffix_found = true;
|
|
} else if (_is_number(GETCHAR(i))) {
|
|
if (float_suffix_found) {
|
|
return _make_token(TK_ERROR, "Invalid numeric constant");
|
|
}
|
|
} else if (hexa_found && _is_hex(GETCHAR(i))) {
|
|
} else if ((GETCHAR(i) == '-' || GETCHAR(i) == '+') && exponent_found) {
|
|
if (sign_found) {
|
|
return _make_token(TK_ERROR, "Invalid numeric constant");
|
|
}
|
|
sign_found = true;
|
|
} else {
|
|
break;
|
|
}
|
|
|
|
str += char32_t(GETCHAR(i));
|
|
i++;
|
|
}
|
|
|
|
char32_t last_char = str[str.length() - 1];
|
|
|
|
if (hexa_found) {
|
|
//integer(hex)
|
|
if (str.size() > 11 || !str.is_valid_hex_number(true)) { // > 0xFFFFFFFF
|
|
return _make_token(TK_ERROR, "Invalid (hexadecimal) numeric constant");
|
|
}
|
|
} else if (period_found || exponent_found || float_suffix_found) {
|
|
//floats
|
|
if (period_found) {
|
|
if (float_suffix_found) {
|
|
//checks for eg "1.f" or "1.99f" notations
|
|
if (last_char != 'f') {
|
|
return _make_token(TK_ERROR, "Invalid (float) numeric constant");
|
|
}
|
|
} else {
|
|
//checks for eg. "1." or "1.99" notations
|
|
if (last_char != '.' && !_is_number(last_char)) {
|
|
return _make_token(TK_ERROR, "Invalid (float) numeric constant");
|
|
}
|
|
}
|
|
} else if (float_suffix_found) {
|
|
// if no period found the float suffix must be the last character, like in "2f" for "2.0"
|
|
if (last_char != 'f') {
|
|
return _make_token(TK_ERROR, "Invalid (float) numeric constant");
|
|
}
|
|
}
|
|
|
|
if (float_suffix_found) {
|
|
//strip the suffix
|
|
str = str.left(str.length() - 1);
|
|
//compensate reading cursor position
|
|
char_idx += 1;
|
|
}
|
|
|
|
if (!str.is_valid_float()) {
|
|
return _make_token(TK_ERROR, "Invalid (float) numeric constant");
|
|
}
|
|
} else {
|
|
//integers
|
|
if (!_is_number(last_char)) {
|
|
return _make_token(TK_ERROR, "Invalid (integer) numeric constant");
|
|
}
|
|
if (!str.is_valid_integer()) {
|
|
return _make_token(TK_ERROR, "Invalid numeric constant");
|
|
}
|
|
}
|
|
|
|
char_idx += str.length();
|
|
Token tk;
|
|
if (period_found || exponent_found || float_suffix_found) {
|
|
tk.type = TK_FLOAT_CONSTANT;
|
|
} else {
|
|
tk.type = TK_INT_CONSTANT;
|
|
}
|
|
|
|
if (hexa_found) {
|
|
tk.constant = (double)str.hex_to_int();
|
|
} else {
|
|
tk.constant = str.to_float();
|
|
}
|
|
tk.line = tk_line;
|
|
|
|
return tk;
|
|
}
|
|
|
|
if (GETCHAR(0) == '.') {
|
|
//parse period
|
|
char_idx++;
|
|
return _make_token(TK_PERIOD);
|
|
}
|
|
|
|
if (_is_text_char(GETCHAR(0))) {
|
|
// parse identifier
|
|
String str;
|
|
|
|
while (_is_text_char(GETCHAR(0))) {
|
|
str += char32_t(GETCHAR(0));
|
|
char_idx++;
|
|
}
|
|
|
|
//see if keyword
|
|
//should be converted to a static map
|
|
int idx = 0;
|
|
|
|
while (keyword_list[idx].text) {
|
|
if (str == keyword_list[idx].text) {
|
|
return _make_token(keyword_list[idx].token);
|
|
}
|
|
idx++;
|
|
}
|
|
|
|
str = str.replace("dus_", "_");
|
|
|
|
return _make_token(TK_IDENTIFIER, str);
|
|
}
|
|
|
|
if (GETCHAR(0) > 32) {
|
|
return _make_token(TK_ERROR, "Tokenizer: Unknown character #" + itos(GETCHAR(0)) + ": '" + String::chr(GETCHAR(0)) + "'");
|
|
} else {
|
|
return _make_token(TK_ERROR, "Tokenizer: Unknown character #" + itos(GETCHAR(0)));
|
|
}
|
|
|
|
} break;
|
|
}
|
|
}
|
|
ERR_PRINT("BUG");
|
|
return Token();
|
|
|
|
#undef GETCHAR
|
|
}
|
|
|
|
String ShaderLanguage::token_debug(const String &p_code) {
|
|
clear();
|
|
|
|
code = p_code;
|
|
|
|
String output;
|
|
|
|
Token tk = _get_token();
|
|
while (tk.type != TK_EOF && tk.type != TK_ERROR) {
|
|
output += itos(tk_line) + ": " + get_token_text(tk) + "\n";
|
|
tk = _get_token();
|
|
}
|
|
|
|
return output;
|
|
}
|
|
|
|
bool ShaderLanguage::is_token_variable_datatype(TokenType p_type) {
|
|
return (
|
|
p_type == TK_TYPE_VOID ||
|
|
p_type == TK_TYPE_BOOL ||
|
|
p_type == TK_TYPE_BVEC2 ||
|
|
p_type == TK_TYPE_BVEC3 ||
|
|
p_type == TK_TYPE_BVEC4 ||
|
|
p_type == TK_TYPE_INT ||
|
|
p_type == TK_TYPE_IVEC2 ||
|
|
p_type == TK_TYPE_IVEC3 ||
|
|
p_type == TK_TYPE_IVEC4 ||
|
|
p_type == TK_TYPE_UINT ||
|
|
p_type == TK_TYPE_UVEC2 ||
|
|
p_type == TK_TYPE_UVEC3 ||
|
|
p_type == TK_TYPE_UVEC4 ||
|
|
p_type == TK_TYPE_FLOAT ||
|
|
p_type == TK_TYPE_VEC2 ||
|
|
p_type == TK_TYPE_VEC3 ||
|
|
p_type == TK_TYPE_VEC4 ||
|
|
p_type == TK_TYPE_MAT2 ||
|
|
p_type == TK_TYPE_MAT3 ||
|
|
p_type == TK_TYPE_MAT4);
|
|
}
|
|
|
|
bool ShaderLanguage::is_token_datatype(TokenType p_type) {
|
|
return (
|
|
p_type == TK_TYPE_VOID ||
|
|
p_type == TK_TYPE_BOOL ||
|
|
p_type == TK_TYPE_BVEC2 ||
|
|
p_type == TK_TYPE_BVEC3 ||
|
|
p_type == TK_TYPE_BVEC4 ||
|
|
p_type == TK_TYPE_INT ||
|
|
p_type == TK_TYPE_IVEC2 ||
|
|
p_type == TK_TYPE_IVEC3 ||
|
|
p_type == TK_TYPE_IVEC4 ||
|
|
p_type == TK_TYPE_UINT ||
|
|
p_type == TK_TYPE_UVEC2 ||
|
|
p_type == TK_TYPE_UVEC3 ||
|
|
p_type == TK_TYPE_UVEC4 ||
|
|
p_type == TK_TYPE_FLOAT ||
|
|
p_type == TK_TYPE_VEC2 ||
|
|
p_type == TK_TYPE_VEC3 ||
|
|
p_type == TK_TYPE_VEC4 ||
|
|
p_type == TK_TYPE_MAT2 ||
|
|
p_type == TK_TYPE_MAT3 ||
|
|
p_type == TK_TYPE_MAT4 ||
|
|
p_type == TK_TYPE_SAMPLER2D ||
|
|
p_type == TK_TYPE_ISAMPLER2D ||
|
|
p_type == TK_TYPE_USAMPLER2D ||
|
|
p_type == TK_TYPE_SAMPLER2DARRAY ||
|
|
p_type == TK_TYPE_ISAMPLER2DARRAY ||
|
|
p_type == TK_TYPE_USAMPLER2DARRAY ||
|
|
p_type == TK_TYPE_SAMPLER3D ||
|
|
p_type == TK_TYPE_ISAMPLER3D ||
|
|
p_type == TK_TYPE_USAMPLER3D ||
|
|
p_type == TK_TYPE_SAMPLERCUBE ||
|
|
p_type == TK_TYPE_SAMPLERCUBEARRAY);
|
|
}
|
|
|
|
ShaderLanguage::DataType ShaderLanguage::get_token_datatype(TokenType p_type) {
|
|
return DataType(p_type - TK_TYPE_VOID);
|
|
}
|
|
|
|
bool ShaderLanguage::is_token_interpolation(TokenType p_type) {
|
|
return (
|
|
p_type == TK_INTERPOLATION_FLAT ||
|
|
p_type == TK_INTERPOLATION_SMOOTH);
|
|
}
|
|
|
|
ShaderLanguage::DataInterpolation ShaderLanguage::get_token_interpolation(TokenType p_type) {
|
|
if (p_type == TK_INTERPOLATION_FLAT) {
|
|
return INTERPOLATION_FLAT;
|
|
} else {
|
|
return INTERPOLATION_SMOOTH;
|
|
}
|
|
}
|
|
|
|
bool ShaderLanguage::is_token_precision(TokenType p_type) {
|
|
return (
|
|
p_type == TK_PRECISION_LOW ||
|
|
p_type == TK_PRECISION_MID ||
|
|
p_type == TK_PRECISION_HIGH);
|
|
}
|
|
|
|
ShaderLanguage::DataPrecision ShaderLanguage::get_token_precision(TokenType p_type) {
|
|
if (p_type == TK_PRECISION_LOW) {
|
|
return PRECISION_LOWP;
|
|
} else if (p_type == TK_PRECISION_HIGH) {
|
|
return PRECISION_HIGHP;
|
|
} else {
|
|
return PRECISION_MEDIUMP;
|
|
}
|
|
}
|
|
|
|
String ShaderLanguage::get_precision_name(DataPrecision p_type) {
|
|
switch (p_type) {
|
|
case PRECISION_LOWP:
|
|
return "lowp";
|
|
case PRECISION_MEDIUMP:
|
|
return "mediump";
|
|
case PRECISION_HIGHP:
|
|
return "highp";
|
|
default:
|
|
break;
|
|
}
|
|
return "";
|
|
}
|
|
|
|
String ShaderLanguage::get_datatype_name(DataType p_type) {
|
|
switch (p_type) {
|
|
case TYPE_VOID:
|
|
return "void";
|
|
case TYPE_BOOL:
|
|
return "bool";
|
|
case TYPE_BVEC2:
|
|
return "bvec2";
|
|
case TYPE_BVEC3:
|
|
return "bvec3";
|
|
case TYPE_BVEC4:
|
|
return "bvec4";
|
|
case TYPE_INT:
|
|
return "int";
|
|
case TYPE_IVEC2:
|
|
return "ivec2";
|
|
case TYPE_IVEC3:
|
|
return "ivec3";
|
|
case TYPE_IVEC4:
|
|
return "ivec4";
|
|
case TYPE_UINT:
|
|
return "uint";
|
|
case TYPE_UVEC2:
|
|
return "uvec2";
|
|
case TYPE_UVEC3:
|
|
return "uvec3";
|
|
case TYPE_UVEC4:
|
|
return "uvec4";
|
|
case TYPE_FLOAT:
|
|
return "float";
|
|
case TYPE_VEC2:
|
|
return "vec2";
|
|
case TYPE_VEC3:
|
|
return "vec3";
|
|
case TYPE_VEC4:
|
|
return "vec4";
|
|
case TYPE_MAT2:
|
|
return "mat2";
|
|
case TYPE_MAT3:
|
|
return "mat3";
|
|
case TYPE_MAT4:
|
|
return "mat4";
|
|
case TYPE_SAMPLER2D:
|
|
return "sampler2D";
|
|
case TYPE_ISAMPLER2D:
|
|
return "isampler2D";
|
|
case TYPE_USAMPLER2D:
|
|
return "usampler2D";
|
|
case TYPE_SAMPLER2DARRAY:
|
|
return "sampler2DArray";
|
|
case TYPE_ISAMPLER2DARRAY:
|
|
return "isampler2DArray";
|
|
case TYPE_USAMPLER2DARRAY:
|
|
return "usampler2DArray";
|
|
case TYPE_SAMPLER3D:
|
|
return "sampler3D";
|
|
case TYPE_ISAMPLER3D:
|
|
return "isampler3D";
|
|
case TYPE_USAMPLER3D:
|
|
return "usampler3D";
|
|
case TYPE_SAMPLERCUBE:
|
|
return "samplerCube";
|
|
case TYPE_SAMPLERCUBEARRAY:
|
|
return "samplerCubeArray";
|
|
case TYPE_STRUCT:
|
|
return "struct";
|
|
case TYPE_MAX:
|
|
return "invalid";
|
|
}
|
|
|
|
return "";
|
|
}
|
|
|
|
bool ShaderLanguage::is_token_nonvoid_datatype(TokenType p_type) {
|
|
return is_token_datatype(p_type) && p_type != TK_TYPE_VOID;
|
|
}
|
|
|
|
void ShaderLanguage::clear() {
|
|
current_function = StringName();
|
|
|
|
completion_type = COMPLETION_NONE;
|
|
completion_block = nullptr;
|
|
completion_function = StringName();
|
|
completion_class = SubClassTag::TAG_GLOBAL;
|
|
completion_struct = StringName();
|
|
|
|
error_line = 0;
|
|
tk_line = 1;
|
|
char_idx = 0;
|
|
error_set = false;
|
|
error_str = "";
|
|
last_const = false;
|
|
while (nodes) {
|
|
Node *n = nodes;
|
|
nodes = nodes->next;
|
|
memdelete(n);
|
|
}
|
|
}
|
|
|
|
bool ShaderLanguage::_find_identifier(const BlockNode *p_block, bool p_allow_reassign, const FunctionInfo &p_function_info, const StringName &p_identifier, DataType *r_data_type, IdentifierType *r_type, bool *r_is_const, int *r_array_size, StringName *r_struct_name, ConstantNode::Value *r_constant_value) {
|
|
if (p_function_info.built_ins.has(p_identifier)) {
|
|
if (r_data_type) {
|
|
*r_data_type = p_function_info.built_ins[p_identifier].type;
|
|
}
|
|
if (r_is_const) {
|
|
*r_is_const = p_function_info.built_ins[p_identifier].constant;
|
|
}
|
|
if (r_type) {
|
|
*r_type = IDENTIFIER_BUILTIN_VAR;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
if (p_function_info.stage_functions.has(p_identifier)) {
|
|
if (r_data_type) {
|
|
*r_data_type = p_function_info.stage_functions[p_identifier].return_type;
|
|
}
|
|
if (r_is_const) {
|
|
*r_is_const = true;
|
|
}
|
|
if (r_type) {
|
|
*r_type = IDENTIFIER_FUNCTION;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
FunctionNode *function = nullptr;
|
|
|
|
while (p_block) {
|
|
if (p_block->variables.has(p_identifier)) {
|
|
if (r_data_type) {
|
|
*r_data_type = p_block->variables[p_identifier].type;
|
|
}
|
|
if (r_is_const) {
|
|
*r_is_const = p_block->variables[p_identifier].is_const;
|
|
}
|
|
if (r_array_size) {
|
|
*r_array_size = p_block->variables[p_identifier].array_size;
|
|
}
|
|
if (r_type) {
|
|
*r_type = IDENTIFIER_LOCAL_VAR;
|
|
}
|
|
if (r_struct_name) {
|
|
*r_struct_name = p_block->variables[p_identifier].struct_name;
|
|
}
|
|
if (r_constant_value) {
|
|
*r_constant_value = p_block->variables[p_identifier].value;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
if (p_block->parent_function) {
|
|
function = p_block->parent_function;
|
|
break;
|
|
} else {
|
|
if (p_allow_reassign) {
|
|
break;
|
|
}
|
|
ERR_FAIL_COND_V(!p_block->parent_block, false);
|
|
p_block = p_block->parent_block;
|
|
}
|
|
}
|
|
|
|
if (function) {
|
|
for (int i = 0; i < function->arguments.size(); i++) {
|
|
if (function->arguments[i].name == p_identifier) {
|
|
if (r_data_type) {
|
|
*r_data_type = function->arguments[i].type;
|
|
}
|
|
if (r_type) {
|
|
*r_type = IDENTIFIER_FUNCTION_ARGUMENT;
|
|
}
|
|
if (r_struct_name) {
|
|
*r_struct_name = function->arguments[i].type_str;
|
|
}
|
|
if (r_is_const) {
|
|
*r_is_const = function->arguments[i].is_const;
|
|
}
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (shader->varyings.has(p_identifier)) {
|
|
if (r_data_type) {
|
|
*r_data_type = shader->varyings[p_identifier].type;
|
|
}
|
|
if (r_array_size) {
|
|
*r_array_size = shader->varyings[p_identifier].array_size;
|
|
}
|
|
if (r_type) {
|
|
*r_type = IDENTIFIER_VARYING;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
if (shader->uniforms.has(p_identifier)) {
|
|
if (r_data_type) {
|
|
*r_data_type = shader->uniforms[p_identifier].type;
|
|
}
|
|
if (r_type) {
|
|
*r_type = IDENTIFIER_UNIFORM;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
if (shader->constants.has(p_identifier)) {
|
|
if (r_is_const) {
|
|
*r_is_const = true;
|
|
}
|
|
if (r_data_type) {
|
|
*r_data_type = shader->constants[p_identifier].type;
|
|
}
|
|
if (r_array_size) {
|
|
*r_array_size = shader->constants[p_identifier].array_size;
|
|
}
|
|
if (r_type) {
|
|
*r_type = IDENTIFIER_CONSTANT;
|
|
}
|
|
if (r_struct_name) {
|
|
*r_struct_name = shader->constants[p_identifier].type_str;
|
|
}
|
|
if (r_constant_value) {
|
|
if (shader->constants[p_identifier].initializer && shader->constants[p_identifier].initializer->values.size() == 1) {
|
|
*r_constant_value = shader->constants[p_identifier].initializer->values[0];
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
for (int i = 0; i < shader->functions.size(); i++) {
|
|
if (!shader->functions[i].callable) {
|
|
continue;
|
|
}
|
|
|
|
if (shader->functions[i].name == p_identifier) {
|
|
if (r_data_type) {
|
|
*r_data_type = shader->functions[i].function->return_type;
|
|
}
|
|
if (r_type) {
|
|
*r_type = IDENTIFIER_FUNCTION;
|
|
}
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool ShaderLanguage::_validate_operator(OperatorNode *p_op, DataType *r_ret_type) {
|
|
bool valid = false;
|
|
DataType ret_type = TYPE_VOID;
|
|
|
|
switch (p_op->op) {
|
|
case OP_EQUAL:
|
|
case OP_NOT_EQUAL: {
|
|
DataType na = p_op->arguments[0]->get_datatype();
|
|
DataType nb = p_op->arguments[1]->get_datatype();
|
|
valid = na == nb;
|
|
ret_type = TYPE_BOOL;
|
|
} break;
|
|
case OP_LESS:
|
|
case OP_LESS_EQUAL:
|
|
case OP_GREATER:
|
|
case OP_GREATER_EQUAL: {
|
|
DataType na = p_op->arguments[0]->get_datatype();
|
|
DataType nb = p_op->arguments[1]->get_datatype();
|
|
|
|
valid = na == nb && (na == TYPE_UINT || na == TYPE_INT || na == TYPE_FLOAT);
|
|
ret_type = TYPE_BOOL;
|
|
|
|
} break;
|
|
case OP_AND:
|
|
case OP_OR: {
|
|
DataType na = p_op->arguments[0]->get_datatype();
|
|
DataType nb = p_op->arguments[1]->get_datatype();
|
|
|
|
valid = na == nb && na == TYPE_BOOL;
|
|
ret_type = TYPE_BOOL;
|
|
|
|
} break;
|
|
case OP_NOT: {
|
|
DataType na = p_op->arguments[0]->get_datatype();
|
|
valid = na == TYPE_BOOL;
|
|
ret_type = TYPE_BOOL;
|
|
|
|
} break;
|
|
case OP_INCREMENT:
|
|
case OP_DECREMENT:
|
|
case OP_POST_INCREMENT:
|
|
case OP_POST_DECREMENT:
|
|
case OP_NEGATE: {
|
|
DataType na = p_op->arguments[0]->get_datatype();
|
|
valid = na > TYPE_BOOL && na < TYPE_MAT2;
|
|
ret_type = na;
|
|
} break;
|
|
case OP_ADD:
|
|
case OP_SUB:
|
|
case OP_MUL:
|
|
case OP_DIV: {
|
|
DataType na = p_op->arguments[0]->get_datatype();
|
|
DataType nb = p_op->arguments[1]->get_datatype();
|
|
|
|
if (na > nb) {
|
|
//make things easier;
|
|
SWAP(na, nb);
|
|
}
|
|
|
|
if (na == nb) {
|
|
valid = (na > TYPE_BOOL && na <= TYPE_MAT4);
|
|
ret_type = na;
|
|
} else if (na == TYPE_INT && nb == TYPE_IVEC2) {
|
|
valid = true;
|
|
ret_type = TYPE_IVEC2;
|
|
} else if (na == TYPE_INT && nb == TYPE_IVEC3) {
|
|
valid = true;
|
|
ret_type = TYPE_IVEC3;
|
|
} else if (na == TYPE_INT && nb == TYPE_IVEC4) {
|
|
valid = true;
|
|
ret_type = TYPE_IVEC4;
|
|
} else if (na == TYPE_UINT && nb == TYPE_UVEC2) {
|
|
valid = true;
|
|
ret_type = TYPE_UVEC2;
|
|
} else if (na == TYPE_UINT && nb == TYPE_UVEC3) {
|
|
valid = true;
|
|
ret_type = TYPE_UVEC3;
|
|
} else if (na == TYPE_UINT && nb == TYPE_UVEC4) {
|
|
valid = true;
|
|
ret_type = TYPE_UVEC4;
|
|
} else if (na == TYPE_FLOAT && nb == TYPE_VEC2) {
|
|
valid = true;
|
|
ret_type = TYPE_VEC2;
|
|
} else if (na == TYPE_FLOAT && nb == TYPE_VEC3) {
|
|
valid = true;
|
|
ret_type = TYPE_VEC3;
|
|
} else if (na == TYPE_FLOAT && nb == TYPE_VEC4) {
|
|
valid = true;
|
|
ret_type = TYPE_VEC4;
|
|
} else if (na == TYPE_FLOAT && nb == TYPE_MAT2) {
|
|
valid = true;
|
|
ret_type = TYPE_MAT2;
|
|
} else if (na == TYPE_FLOAT && nb == TYPE_MAT3) {
|
|
valid = true;
|
|
ret_type = TYPE_MAT3;
|
|
} else if (na == TYPE_FLOAT && nb == TYPE_MAT4) {
|
|
valid = true;
|
|
ret_type = TYPE_MAT4;
|
|
} else if (p_op->op == OP_MUL && na == TYPE_VEC2 && nb == TYPE_MAT2) {
|
|
valid = true;
|
|
ret_type = TYPE_VEC2;
|
|
} else if (p_op->op == OP_MUL && na == TYPE_VEC3 && nb == TYPE_MAT3) {
|
|
valid = true;
|
|
ret_type = TYPE_VEC3;
|
|
} else if (p_op->op == OP_MUL && na == TYPE_VEC4 && nb == TYPE_MAT4) {
|
|
valid = true;
|
|
ret_type = TYPE_VEC4;
|
|
}
|
|
} break;
|
|
case OP_ASSIGN_MOD:
|
|
case OP_MOD: {
|
|
/*
|
|
* The operator modulus (%) operates on signed or unsigned integers or integer vectors. The operand
|
|
* types must both be signed or both be unsigned. The operands cannot be vectors of differing size. If
|
|
* one operand is a scalar and the other vector, then the scalar is applied component-wise to the vector,
|
|
* resulting in the same type as the vector. If both are vectors of the same size, the result is computed
|
|
* component-wise.
|
|
*/
|
|
|
|
DataType na = p_op->arguments[0]->get_datatype();
|
|
DataType nb = p_op->arguments[1]->get_datatype();
|
|
|
|
if (na == TYPE_INT && nb == TYPE_INT) {
|
|
valid = true;
|
|
ret_type = TYPE_INT;
|
|
} else if (na == TYPE_IVEC2 && nb == TYPE_INT) {
|
|
valid = true;
|
|
ret_type = TYPE_IVEC2;
|
|
} else if (na == TYPE_IVEC3 && nb == TYPE_INT) {
|
|
valid = true;
|
|
ret_type = TYPE_IVEC3;
|
|
} else if (na == TYPE_IVEC4 && nb == TYPE_INT) {
|
|
valid = true;
|
|
ret_type = TYPE_IVEC4;
|
|
} else if (na == TYPE_IVEC2 && nb == TYPE_IVEC2) {
|
|
valid = true;
|
|
ret_type = TYPE_IVEC2;
|
|
} else if (na == TYPE_IVEC3 && nb == TYPE_IVEC3) {
|
|
valid = true;
|
|
ret_type = TYPE_IVEC3;
|
|
} else if (na == TYPE_IVEC4 && nb == TYPE_IVEC4) {
|
|
valid = true;
|
|
ret_type = TYPE_IVEC4;
|
|
/////
|
|
} else if (na == TYPE_UINT && nb == TYPE_UINT) {
|
|
valid = true;
|
|
ret_type = TYPE_UINT;
|
|
} else if (na == TYPE_UVEC2 && nb == TYPE_UINT) {
|
|
valid = true;
|
|
ret_type = TYPE_UVEC2;
|
|
} else if (na == TYPE_UVEC3 && nb == TYPE_UINT) {
|
|
valid = true;
|
|
ret_type = TYPE_UVEC3;
|
|
} else if (na == TYPE_UVEC4 && nb == TYPE_UINT) {
|
|
valid = true;
|
|
ret_type = TYPE_UVEC4;
|
|
} else if (na == TYPE_UVEC2 && nb == TYPE_UVEC2) {
|
|
valid = true;
|
|
ret_type = TYPE_UVEC2;
|
|
} else if (na == TYPE_UVEC3 && nb == TYPE_UVEC3) {
|
|
valid = true;
|
|
ret_type = TYPE_UVEC3;
|
|
} else if (na == TYPE_UVEC4 && nb == TYPE_UVEC4) {
|
|
valid = true;
|
|
ret_type = TYPE_UVEC4;
|
|
}
|
|
} break;
|
|
case OP_ASSIGN_SHIFT_LEFT:
|
|
case OP_ASSIGN_SHIFT_RIGHT:
|
|
case OP_SHIFT_LEFT:
|
|
case OP_SHIFT_RIGHT: {
|
|
DataType na = p_op->arguments[0]->get_datatype();
|
|
DataType nb = p_op->arguments[1]->get_datatype();
|
|
|
|
if (na == TYPE_INT && nb == TYPE_INT) {
|
|
valid = true;
|
|
ret_type = TYPE_INT;
|
|
} else if (na == TYPE_IVEC2 && nb == TYPE_INT) {
|
|
valid = true;
|
|
ret_type = TYPE_IVEC2;
|
|
} else if (na == TYPE_IVEC3 && nb == TYPE_INT) {
|
|
valid = true;
|
|
ret_type = TYPE_IVEC3;
|
|
} else if (na == TYPE_IVEC4 && nb == TYPE_INT) {
|
|
valid = true;
|
|
ret_type = TYPE_IVEC4;
|
|
} else if (na == TYPE_IVEC2 && nb == TYPE_IVEC2) {
|
|
valid = true;
|
|
ret_type = TYPE_IVEC2;
|
|
} else if (na == TYPE_IVEC3 && nb == TYPE_IVEC3) {
|
|
valid = true;
|
|
ret_type = TYPE_IVEC3;
|
|
} else if (na == TYPE_IVEC4 && nb == TYPE_IVEC4) {
|
|
valid = true;
|
|
ret_type = TYPE_IVEC4;
|
|
} else if (na == TYPE_UINT && nb == TYPE_UINT) {
|
|
valid = true;
|
|
ret_type = TYPE_UINT;
|
|
} else if (na == TYPE_UVEC2 && nb == TYPE_UINT) {
|
|
valid = true;
|
|
ret_type = TYPE_UVEC2;
|
|
} else if (na == TYPE_UVEC3 && nb == TYPE_UINT) {
|
|
valid = true;
|
|
ret_type = TYPE_UVEC3;
|
|
} else if (na == TYPE_UVEC4 && nb == TYPE_UINT) {
|
|
valid = true;
|
|
ret_type = TYPE_UVEC4;
|
|
} else if (na == TYPE_UVEC2 && nb == TYPE_UVEC2) {
|
|
valid = true;
|
|
ret_type = TYPE_UVEC2;
|
|
} else if (na == TYPE_UVEC3 && nb == TYPE_UVEC3) {
|
|
valid = true;
|
|
ret_type = TYPE_UVEC3;
|
|
} else if (na == TYPE_UVEC4 && nb == TYPE_UVEC4) {
|
|
valid = true;
|
|
ret_type = TYPE_UVEC4;
|
|
}
|
|
} break;
|
|
case OP_ASSIGN: {
|
|
DataType na = p_op->arguments[0]->get_datatype();
|
|
DataType nb = p_op->arguments[1]->get_datatype();
|
|
if (na == TYPE_STRUCT || nb == TYPE_STRUCT) {
|
|
valid = p_op->arguments[0]->get_datatype_name() == p_op->arguments[1]->get_datatype_name();
|
|
} else {
|
|
valid = na == nb;
|
|
}
|
|
ret_type = na;
|
|
} break;
|
|
case OP_ASSIGN_ADD:
|
|
case OP_ASSIGN_SUB:
|
|
case OP_ASSIGN_MUL:
|
|
case OP_ASSIGN_DIV: {
|
|
DataType na = p_op->arguments[0]->get_datatype();
|
|
DataType nb = p_op->arguments[1]->get_datatype();
|
|
|
|
if (na == nb) {
|
|
valid = (na > TYPE_BOOL && na < TYPE_MAT2) || (p_op->op == OP_ASSIGN_MUL && na >= TYPE_MAT2 && na <= TYPE_MAT4);
|
|
ret_type = na;
|
|
} else if (na == TYPE_IVEC2 && nb == TYPE_INT) {
|
|
valid = true;
|
|
ret_type = TYPE_IVEC2;
|
|
} else if (na == TYPE_IVEC3 && nb == TYPE_INT) {
|
|
valid = true;
|
|
ret_type = TYPE_IVEC3;
|
|
} else if (na == TYPE_IVEC4 && nb == TYPE_INT) {
|
|
valid = true;
|
|
ret_type = TYPE_IVEC4;
|
|
} else if (na == TYPE_UVEC2 && nb == TYPE_UINT) {
|
|
valid = true;
|
|
ret_type = TYPE_UVEC2;
|
|
} else if (na == TYPE_UVEC3 && nb == TYPE_UINT) {
|
|
valid = true;
|
|
ret_type = TYPE_UVEC3;
|
|
} else if (na == TYPE_UVEC4 && nb == TYPE_UINT) {
|
|
valid = true;
|
|
ret_type = TYPE_UVEC4;
|
|
} else if (na == TYPE_VEC2 && nb == TYPE_FLOAT) {
|
|
valid = true;
|
|
ret_type = TYPE_VEC2;
|
|
} else if (na == TYPE_VEC3 && nb == TYPE_FLOAT) {
|
|
valid = true;
|
|
ret_type = TYPE_VEC3;
|
|
} else if (na == TYPE_VEC4 && nb == TYPE_FLOAT) {
|
|
valid = true;
|
|
ret_type = TYPE_VEC4;
|
|
} else if (na == TYPE_MAT2 && nb == TYPE_FLOAT) {
|
|
valid = true;
|
|
ret_type = TYPE_MAT2;
|
|
} else if (na == TYPE_MAT3 && nb == TYPE_FLOAT) {
|
|
valid = true;
|
|
ret_type = TYPE_MAT3;
|
|
} else if (na == TYPE_MAT4 && nb == TYPE_FLOAT) {
|
|
valid = true;
|
|
ret_type = TYPE_MAT4;
|
|
} else if (p_op->op == OP_ASSIGN_MUL && na == TYPE_VEC2 && nb == TYPE_MAT2) {
|
|
valid = true;
|
|
ret_type = TYPE_VEC2;
|
|
} else if (p_op->op == OP_ASSIGN_MUL && na == TYPE_VEC3 && nb == TYPE_MAT3) {
|
|
valid = true;
|
|
ret_type = TYPE_VEC3;
|
|
} else if (p_op->op == OP_ASSIGN_MUL && na == TYPE_VEC4 && nb == TYPE_MAT4) {
|
|
valid = true;
|
|
ret_type = TYPE_VEC4;
|
|
}
|
|
} break;
|
|
case OP_ASSIGN_BIT_AND:
|
|
case OP_ASSIGN_BIT_OR:
|
|
case OP_ASSIGN_BIT_XOR:
|
|
case OP_BIT_AND:
|
|
case OP_BIT_OR:
|
|
case OP_BIT_XOR: {
|
|
/*
|
|
* The bitwise operators and (&), exclusive-or (^), and inclusive-or (|). The operands must be of type
|
|
* signed or unsigned integers or integer vectors. The operands cannot be vectors of differing size. If
|
|
* one operand is a scalar and the other a vector, the scalar is applied component-wise to the vector,
|
|
* resulting in the same type as the vector. The fundamental types of the operands (signed or unsigned)
|
|
* must match.
|
|
*/
|
|
|
|
DataType na = p_op->arguments[0]->get_datatype();
|
|
DataType nb = p_op->arguments[1]->get_datatype();
|
|
|
|
if (na > nb && p_op->op >= OP_BIT_AND) {
|
|
//can swap for non assign
|
|
SWAP(na, nb);
|
|
}
|
|
|
|
if (na == TYPE_INT && nb == TYPE_INT) {
|
|
valid = true;
|
|
ret_type = TYPE_INT;
|
|
} else if (na == TYPE_IVEC2 && nb == TYPE_INT) {
|
|
valid = true;
|
|
ret_type = TYPE_IVEC2;
|
|
} else if (na == TYPE_IVEC3 && nb == TYPE_INT) {
|
|
valid = true;
|
|
ret_type = TYPE_IVEC3;
|
|
} else if (na == TYPE_IVEC4 && nb == TYPE_INT) {
|
|
valid = true;
|
|
ret_type = TYPE_IVEC4;
|
|
} else if (na == TYPE_IVEC2 && nb == TYPE_IVEC2) {
|
|
valid = true;
|
|
ret_type = TYPE_IVEC2;
|
|
} else if (na == TYPE_IVEC3 && nb == TYPE_IVEC3) {
|
|
valid = true;
|
|
ret_type = TYPE_IVEC3;
|
|
} else if (na == TYPE_IVEC4 && nb == TYPE_IVEC4) {
|
|
valid = true;
|
|
ret_type = TYPE_IVEC4;
|
|
/////
|
|
} else if (na == TYPE_UINT && nb == TYPE_UINT) {
|
|
valid = true;
|
|
ret_type = TYPE_UINT;
|
|
} else if (na == TYPE_UVEC2 && nb == TYPE_UINT) {
|
|
valid = true;
|
|
ret_type = TYPE_UVEC2;
|
|
} else if (na == TYPE_UVEC3 && nb == TYPE_UINT) {
|
|
valid = true;
|
|
ret_type = TYPE_UVEC3;
|
|
} else if (na == TYPE_UVEC4 && nb == TYPE_UINT) {
|
|
valid = true;
|
|
ret_type = TYPE_UVEC4;
|
|
} else if (na == TYPE_UVEC2 && nb == TYPE_UVEC2) {
|
|
valid = true;
|
|
ret_type = TYPE_UVEC2;
|
|
} else if (na == TYPE_UVEC3 && nb == TYPE_UVEC3) {
|
|
valid = true;
|
|
ret_type = TYPE_UVEC3;
|
|
} else if (na == TYPE_UVEC4 && nb == TYPE_UVEC4) {
|
|
valid = true;
|
|
ret_type = TYPE_UVEC4;
|
|
}
|
|
} break;
|
|
case OP_BIT_INVERT: { //unaries
|
|
DataType na = p_op->arguments[0]->get_datatype();
|
|
valid = na >= TYPE_INT && na < TYPE_FLOAT;
|
|
ret_type = na;
|
|
} break;
|
|
case OP_SELECT_IF: {
|
|
DataType na = p_op->arguments[0]->get_datatype();
|
|
DataType nb = p_op->arguments[1]->get_datatype();
|
|
DataType nc = p_op->arguments[2]->get_datatype();
|
|
|
|
valid = na == TYPE_BOOL && (nb == nc);
|
|
ret_type = nb;
|
|
} break;
|
|
default: {
|
|
ERR_FAIL_V(false);
|
|
}
|
|
}
|
|
|
|
if (r_ret_type) {
|
|
*r_ret_type = ret_type;
|
|
}
|
|
return valid;
|
|
}
|
|
|
|
const ShaderLanguage::BuiltinFuncDef ShaderLanguage::builtin_func_defs[] = {
|
|
//constructors
|
|
{ "bool", TYPE_BOOL, { TYPE_BOOL, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "bvec2", TYPE_BVEC2, { TYPE_BOOL, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "bvec2", TYPE_BVEC2, { TYPE_BOOL, TYPE_BOOL, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "bvec3", TYPE_BVEC3, { TYPE_BOOL, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "bvec3", TYPE_BVEC3, { TYPE_BOOL, TYPE_BOOL, TYPE_BOOL, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "bvec3", TYPE_BVEC3, { TYPE_BVEC2, TYPE_BOOL, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "bvec3", TYPE_BVEC3, { TYPE_BOOL, TYPE_BVEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "bvec4", TYPE_BVEC4, { TYPE_BOOL, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "bvec4", TYPE_BVEC4, { TYPE_BOOL, TYPE_BOOL, TYPE_BOOL, TYPE_BOOL, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "bvec4", TYPE_BVEC4, { TYPE_BOOL, TYPE_BVEC2, TYPE_BOOL, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "bvec4", TYPE_BVEC4, { TYPE_BVEC2, TYPE_BOOL, TYPE_BOOL, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "bvec4", TYPE_BVEC4, { TYPE_BOOL, TYPE_BOOL, TYPE_BVEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "bvec4", TYPE_BVEC4, { TYPE_BOOL, TYPE_BVEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "bvec4", TYPE_BVEC4, { TYPE_BVEC3, TYPE_BOOL, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "bvec4", TYPE_BVEC4, { TYPE_BVEC2, TYPE_BVEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "float", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "vec2", TYPE_VEC2, { TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "vec2", TYPE_VEC2, { TYPE_FLOAT, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "vec3", TYPE_VEC3, { TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "vec3", TYPE_VEC3, { TYPE_FLOAT, TYPE_FLOAT, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "vec3", TYPE_VEC3, { TYPE_VEC2, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "vec3", TYPE_VEC3, { TYPE_FLOAT, TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "vec4", TYPE_VEC4, { TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "vec4", TYPE_VEC4, { TYPE_FLOAT, TYPE_FLOAT, TYPE_FLOAT, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "vec4", TYPE_VEC4, { TYPE_FLOAT, TYPE_VEC2, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "vec4", TYPE_VEC4, { TYPE_VEC2, TYPE_FLOAT, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "vec4", TYPE_VEC4, { TYPE_FLOAT, TYPE_FLOAT, TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "vec4", TYPE_VEC4, { TYPE_FLOAT, TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "vec4", TYPE_VEC4, { TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "vec4", TYPE_VEC4, { TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "int", TYPE_INT, { TYPE_INT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "ivec2", TYPE_IVEC2, { TYPE_INT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "ivec2", TYPE_IVEC2, { TYPE_INT, TYPE_INT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "ivec3", TYPE_IVEC3, { TYPE_INT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "ivec3", TYPE_IVEC3, { TYPE_INT, TYPE_INT, TYPE_INT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "ivec3", TYPE_IVEC3, { TYPE_IVEC2, TYPE_INT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "ivec3", TYPE_IVEC3, { TYPE_INT, TYPE_IVEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "ivec4", TYPE_IVEC4, { TYPE_INT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "ivec4", TYPE_IVEC4, { TYPE_INT, TYPE_INT, TYPE_INT, TYPE_INT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "ivec4", TYPE_IVEC4, { TYPE_INT, TYPE_IVEC2, TYPE_INT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "ivec4", TYPE_IVEC4, { TYPE_IVEC2, TYPE_INT, TYPE_INT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "ivec4", TYPE_IVEC4, { TYPE_INT, TYPE_INT, TYPE_IVEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "ivec4", TYPE_IVEC4, { TYPE_INT, TYPE_IVEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "ivec4", TYPE_IVEC4, { TYPE_IVEC3, TYPE_INT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "ivec4", TYPE_IVEC4, { TYPE_IVEC2, TYPE_IVEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "uint", TYPE_UINT, { TYPE_UINT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "uvec2", TYPE_UVEC2, { TYPE_UINT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "uvec2", TYPE_UVEC2, { TYPE_UINT, TYPE_UINT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "uvec3", TYPE_UVEC3, { TYPE_UINT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "uvec3", TYPE_UVEC3, { TYPE_UINT, TYPE_UINT, TYPE_UINT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "uvec3", TYPE_UVEC3, { TYPE_UVEC2, TYPE_UINT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "uvec3", TYPE_UVEC3, { TYPE_UINT, TYPE_UVEC2, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "uvec4", TYPE_UVEC4, { TYPE_UINT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "uvec4", TYPE_UVEC4, { TYPE_UINT, TYPE_UINT, TYPE_UINT, TYPE_UINT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "uvec4", TYPE_UVEC4, { TYPE_UINT, TYPE_UVEC2, TYPE_UINT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "uvec4", TYPE_UVEC4, { TYPE_UVEC2, TYPE_UINT, TYPE_UINT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "uvec4", TYPE_UVEC4, { TYPE_UINT, TYPE_UINT, TYPE_UVEC2, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "uvec4", TYPE_UVEC4, { TYPE_UINT, TYPE_UVEC3, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "uvec4", TYPE_UVEC4, { TYPE_UVEC3, TYPE_UINT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "uvec4", TYPE_UVEC4, { TYPE_UVEC2, TYPE_UVEC2, TYPE_VOID }, TAG_GLOBAL, true },
|
|
|
|
{ "mat2", TYPE_MAT2, { TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "mat3", TYPE_MAT3, { TYPE_VEC3, TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "mat4", TYPE_MAT4, { TYPE_VEC4, TYPE_VEC4, TYPE_VEC4, TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "mat2", TYPE_MAT2, { TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "mat3", TYPE_MAT3, { TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "mat4", TYPE_MAT4, { TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
//conversion scalars
|
|
|
|
{ "int", TYPE_INT, { TYPE_BOOL, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "int", TYPE_INT, { TYPE_INT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "int", TYPE_INT, { TYPE_UINT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "int", TYPE_INT, { TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "float", TYPE_FLOAT, { TYPE_BOOL, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "float", TYPE_FLOAT, { TYPE_INT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "float", TYPE_FLOAT, { TYPE_UINT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "float", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "uint", TYPE_UINT, { TYPE_BOOL, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "uint", TYPE_UINT, { TYPE_INT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "uint", TYPE_UINT, { TYPE_UINT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "uint", TYPE_UINT, { TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
|
|
{ "bool", TYPE_BOOL, { TYPE_BOOL, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "bool", TYPE_BOOL, { TYPE_INT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "bool", TYPE_BOOL, { TYPE_UINT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "bool", TYPE_BOOL, { TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
//conversion vectors
|
|
|
|
{ "ivec2", TYPE_IVEC2, { TYPE_BVEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "ivec2", TYPE_IVEC2, { TYPE_IVEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "ivec2", TYPE_IVEC2, { TYPE_UVEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "ivec2", TYPE_IVEC2, { TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "vec2", TYPE_VEC2, { TYPE_BVEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "vec2", TYPE_VEC2, { TYPE_IVEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "vec2", TYPE_VEC2, { TYPE_UVEC2, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "vec2", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "uvec2", TYPE_UVEC2, { TYPE_BVEC2, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "uvec2", TYPE_UVEC2, { TYPE_IVEC2, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "uvec2", TYPE_UVEC2, { TYPE_UVEC2, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "uvec2", TYPE_UVEC2, { TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, true },
|
|
|
|
{ "bvec2", TYPE_BVEC2, { TYPE_BVEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "bvec2", TYPE_BVEC2, { TYPE_IVEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "bvec2", TYPE_BVEC2, { TYPE_UVEC2, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "bvec2", TYPE_BVEC2, { TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "ivec3", TYPE_IVEC3, { TYPE_BVEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "ivec3", TYPE_IVEC3, { TYPE_IVEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "ivec3", TYPE_IVEC3, { TYPE_UVEC3, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "ivec3", TYPE_IVEC3, { TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "vec3", TYPE_VEC3, { TYPE_BVEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "vec3", TYPE_VEC3, { TYPE_IVEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "vec3", TYPE_VEC3, { TYPE_UVEC3, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "vec3", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "uvec3", TYPE_UVEC3, { TYPE_BVEC3, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "uvec3", TYPE_UVEC3, { TYPE_IVEC3, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "uvec3", TYPE_UVEC3, { TYPE_UVEC3, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "uvec3", TYPE_UVEC3, { TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, true },
|
|
|
|
{ "bvec3", TYPE_BVEC3, { TYPE_BVEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "bvec3", TYPE_BVEC3, { TYPE_IVEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "bvec3", TYPE_BVEC3, { TYPE_UVEC3, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "bvec3", TYPE_BVEC3, { TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "ivec4", TYPE_IVEC4, { TYPE_BVEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "ivec4", TYPE_IVEC4, { TYPE_IVEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "ivec4", TYPE_IVEC4, { TYPE_UVEC4, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "ivec4", TYPE_IVEC4, { TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "vec4", TYPE_VEC4, { TYPE_BVEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "vec4", TYPE_VEC4, { TYPE_IVEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "vec4", TYPE_VEC4, { TYPE_UVEC4, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "vec4", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "uvec4", TYPE_UVEC4, { TYPE_BVEC4, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "uvec4", TYPE_UVEC4, { TYPE_IVEC4, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "uvec4", TYPE_UVEC4, { TYPE_UVEC4, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "uvec4", TYPE_UVEC4, { TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, true },
|
|
|
|
{ "bvec4", TYPE_BVEC4, { TYPE_BVEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "bvec4", TYPE_BVEC4, { TYPE_IVEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "bvec4", TYPE_BVEC4, { TYPE_UVEC4, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "bvec4", TYPE_BVEC4, { TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
//conversion between matrixes
|
|
|
|
{ "mat2", TYPE_MAT2, { TYPE_MAT3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "mat2", TYPE_MAT2, { TYPE_MAT4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "mat3", TYPE_MAT3, { TYPE_MAT2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "mat3", TYPE_MAT3, { TYPE_MAT4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "mat4", TYPE_MAT4, { TYPE_MAT2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "mat4", TYPE_MAT4, { TYPE_MAT3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
//builtins - trigonometry
|
|
|
|
{ "radians", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "radians", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "radians", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "radians", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "degrees", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "degrees", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "degrees", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "degrees", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "sin", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "sin", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "sin", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "sin", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "cos", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "cos", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "cos", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "cos", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "tan", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "tan", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "tan", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "tan", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "asin", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "asin", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "asin", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "asin", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "acos", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "acos", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "acos", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "acos", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "atan", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "atan", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "atan", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "atan", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "atan", TYPE_FLOAT, { TYPE_FLOAT, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "atan", TYPE_VEC2, { TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "atan", TYPE_VEC3, { TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "atan", TYPE_VEC4, { TYPE_VEC4, TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "sinh", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "sinh", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "sinh", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "sinh", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "cosh", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "cosh", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "cosh", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "cosh", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "tanh", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "tanh", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "tanh", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "tanh", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "asinh", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "asinh", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "asinh", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "asinh", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "acosh", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "acosh", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "acosh", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "acosh", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "atanh", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "atanh", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "atanh", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "atanh", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
//builtins - exponential
|
|
{ "pow", TYPE_FLOAT, { TYPE_FLOAT, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "pow", TYPE_VEC2, { TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "pow", TYPE_VEC3, { TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "pow", TYPE_VEC4, { TYPE_VEC4, TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "exp", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "exp", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "exp", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "exp", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "log", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "log", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "log", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "log", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "exp2", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "exp2", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "exp2", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "exp2", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "log2", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "log2", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "log2", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "log2", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "sqrt", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "sqrt", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "sqrt", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "sqrt", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "inversesqrt", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "inversesqrt", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "inversesqrt", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "inversesqrt", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
//builtins - common
|
|
{ "abs", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "abs", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "abs", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "abs", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "abs", TYPE_INT, { TYPE_INT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "abs", TYPE_IVEC2, { TYPE_IVEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "abs", TYPE_IVEC3, { TYPE_IVEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "abs", TYPE_IVEC4, { TYPE_IVEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "sign", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "sign", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "sign", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "sign", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "sign", TYPE_INT, { TYPE_INT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "sign", TYPE_IVEC2, { TYPE_IVEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "sign", TYPE_IVEC3, { TYPE_IVEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "sign", TYPE_IVEC4, { TYPE_IVEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "floor", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "floor", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "floor", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "floor", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "trunc", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "trunc", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "trunc", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "trunc", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "round", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "round", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "round", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "round", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "roundEven", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "roundEven", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "roundEven", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "roundEven", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "ceil", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "ceil", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "ceil", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "ceil", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "fract", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "fract", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "fract", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "fract", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "mod", TYPE_FLOAT, { TYPE_FLOAT, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "mod", TYPE_VEC2, { TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "mod", TYPE_VEC2, { TYPE_VEC2, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "mod", TYPE_VEC3, { TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "mod", TYPE_VEC3, { TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "mod", TYPE_VEC4, { TYPE_VEC4, TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "mod", TYPE_VEC4, { TYPE_VEC4, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "modf", TYPE_FLOAT, { TYPE_FLOAT, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "modf", TYPE_VEC2, { TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "modf", TYPE_VEC3, { TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "modf", TYPE_VEC4, { TYPE_VEC4, TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, true },
|
|
|
|
{ "min", TYPE_FLOAT, { TYPE_FLOAT, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "min", TYPE_VEC2, { TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "min", TYPE_VEC2, { TYPE_VEC2, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "min", TYPE_VEC3, { TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "min", TYPE_VEC3, { TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "min", TYPE_VEC4, { TYPE_VEC4, TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "min", TYPE_VEC4, { TYPE_VEC4, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "min", TYPE_INT, { TYPE_INT, TYPE_INT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "min", TYPE_IVEC2, { TYPE_IVEC2, TYPE_IVEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "min", TYPE_IVEC2, { TYPE_IVEC2, TYPE_INT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "min", TYPE_IVEC3, { TYPE_IVEC3, TYPE_IVEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "min", TYPE_IVEC3, { TYPE_IVEC3, TYPE_INT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "min", TYPE_IVEC4, { TYPE_IVEC4, TYPE_IVEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "min", TYPE_IVEC4, { TYPE_IVEC4, TYPE_INT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "min", TYPE_UINT, { TYPE_UINT, TYPE_UINT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "min", TYPE_UVEC2, { TYPE_UVEC2, TYPE_UVEC2, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "min", TYPE_UVEC2, { TYPE_UVEC2, TYPE_UINT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "min", TYPE_UVEC3, { TYPE_UVEC3, TYPE_UVEC3, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "min", TYPE_UVEC3, { TYPE_UVEC3, TYPE_UINT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "min", TYPE_UVEC4, { TYPE_UVEC4, TYPE_UVEC4, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "min", TYPE_UVEC4, { TYPE_UVEC4, TYPE_UINT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
|
|
{ "max", TYPE_FLOAT, { TYPE_FLOAT, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "max", TYPE_VEC2, { TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "max", TYPE_VEC2, { TYPE_VEC2, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "max", TYPE_VEC3, { TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "max", TYPE_VEC3, { TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "max", TYPE_VEC4, { TYPE_VEC4, TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "max", TYPE_VEC4, { TYPE_VEC4, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "max", TYPE_INT, { TYPE_INT, TYPE_INT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "max", TYPE_IVEC2, { TYPE_IVEC2, TYPE_IVEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "max", TYPE_IVEC2, { TYPE_IVEC2, TYPE_INT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "max", TYPE_IVEC3, { TYPE_IVEC3, TYPE_IVEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "max", TYPE_IVEC3, { TYPE_IVEC3, TYPE_INT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "max", TYPE_IVEC4, { TYPE_IVEC4, TYPE_IVEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "max", TYPE_IVEC4, { TYPE_IVEC4, TYPE_INT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "max", TYPE_UINT, { TYPE_UINT, TYPE_UINT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "max", TYPE_UVEC2, { TYPE_UVEC2, TYPE_UVEC2, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "max", TYPE_UVEC2, { TYPE_UVEC2, TYPE_UINT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "max", TYPE_UVEC3, { TYPE_UVEC3, TYPE_UVEC3, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "max", TYPE_UVEC3, { TYPE_UVEC3, TYPE_UINT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "max", TYPE_UVEC4, { TYPE_UVEC4, TYPE_UVEC4, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "max", TYPE_UVEC4, { TYPE_UVEC4, TYPE_UINT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
|
|
{ "clamp", TYPE_FLOAT, { TYPE_FLOAT, TYPE_FLOAT, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "clamp", TYPE_VEC2, { TYPE_VEC2, TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "clamp", TYPE_VEC3, { TYPE_VEC3, TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "clamp", TYPE_VEC4, { TYPE_VEC4, TYPE_VEC4, TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "clamp", TYPE_VEC2, { TYPE_VEC2, TYPE_FLOAT, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "clamp", TYPE_VEC3, { TYPE_VEC3, TYPE_FLOAT, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "clamp", TYPE_VEC4, { TYPE_VEC4, TYPE_FLOAT, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "clamp", TYPE_INT, { TYPE_INT, TYPE_INT, TYPE_INT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "clamp", TYPE_IVEC2, { TYPE_IVEC2, TYPE_IVEC2, TYPE_IVEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "clamp", TYPE_IVEC3, { TYPE_IVEC3, TYPE_IVEC3, TYPE_IVEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "clamp", TYPE_IVEC4, { TYPE_IVEC4, TYPE_IVEC4, TYPE_IVEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "clamp", TYPE_IVEC2, { TYPE_IVEC2, TYPE_INT, TYPE_INT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "clamp", TYPE_IVEC3, { TYPE_IVEC3, TYPE_INT, TYPE_INT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "clamp", TYPE_IVEC4, { TYPE_IVEC4, TYPE_INT, TYPE_INT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "clamp", TYPE_UINT, { TYPE_UINT, TYPE_UINT, TYPE_UINT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "clamp", TYPE_UVEC2, { TYPE_UVEC2, TYPE_UVEC2, TYPE_UVEC2, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "clamp", TYPE_UVEC3, { TYPE_UVEC3, TYPE_UVEC3, TYPE_UVEC3, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "clamp", TYPE_UVEC4, { TYPE_UVEC4, TYPE_UVEC4, TYPE_UVEC4, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "clamp", TYPE_UVEC2, { TYPE_UVEC2, TYPE_UINT, TYPE_UINT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "clamp", TYPE_UVEC3, { TYPE_UVEC3, TYPE_UINT, TYPE_UINT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "clamp", TYPE_UVEC4, { TYPE_UVEC4, TYPE_UINT, TYPE_UINT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
|
|
{ "mix", TYPE_FLOAT, { TYPE_FLOAT, TYPE_FLOAT, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "mix", TYPE_VEC2, { TYPE_VEC2, TYPE_VEC2, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "mix", TYPE_VEC2, { TYPE_VEC2, TYPE_VEC2, TYPE_BVEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "mix", TYPE_VEC2, { TYPE_VEC2, TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "mix", TYPE_VEC3, { TYPE_VEC3, TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "mix", TYPE_VEC3, { TYPE_VEC3, TYPE_VEC3, TYPE_BVEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "mix", TYPE_VEC3, { TYPE_VEC3, TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "mix", TYPE_VEC4, { TYPE_VEC4, TYPE_VEC4, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "mix", TYPE_VEC4, { TYPE_VEC4, TYPE_VEC4, TYPE_BVEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "mix", TYPE_VEC4, { TYPE_VEC4, TYPE_VEC4, TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "step", TYPE_FLOAT, { TYPE_FLOAT, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "step", TYPE_VEC2, { TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "step", TYPE_VEC3, { TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "step", TYPE_VEC4, { TYPE_VEC4, TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "step", TYPE_VEC2, { TYPE_FLOAT, TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "step", TYPE_VEC3, { TYPE_FLOAT, TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "step", TYPE_VEC4, { TYPE_FLOAT, TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "smoothstep", TYPE_FLOAT, { TYPE_FLOAT, TYPE_FLOAT, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "smoothstep", TYPE_VEC2, { TYPE_VEC2, TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "smoothstep", TYPE_VEC3, { TYPE_VEC3, TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "smoothstep", TYPE_VEC4, { TYPE_VEC4, TYPE_VEC4, TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "smoothstep", TYPE_VEC2, { TYPE_FLOAT, TYPE_FLOAT, TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "smoothstep", TYPE_VEC3, { TYPE_FLOAT, TYPE_FLOAT, TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "smoothstep", TYPE_VEC4, { TYPE_FLOAT, TYPE_FLOAT, TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "isnan", TYPE_BOOL, { TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "isnan", TYPE_BVEC2, { TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "isnan", TYPE_BVEC3, { TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "isnan", TYPE_BVEC4, { TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "isinf", TYPE_BOOL, { TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "isinf", TYPE_BVEC2, { TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "isinf", TYPE_BVEC3, { TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "isinf", TYPE_BVEC4, { TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "floatBitsToInt", TYPE_INT, { TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "floatBitsToInt", TYPE_IVEC2, { TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "floatBitsToInt", TYPE_IVEC3, { TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "floatBitsToInt", TYPE_IVEC4, { TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, true },
|
|
|
|
{ "floatBitsToUint", TYPE_UINT, { TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "floatBitsToUint", TYPE_UVEC2, { TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "floatBitsToUint", TYPE_UVEC3, { TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "floatBitsToUint", TYPE_UVEC4, { TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, true },
|
|
|
|
{ "intBitsToFloat", TYPE_FLOAT, { TYPE_INT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "intBitsToFloat", TYPE_VEC2, { TYPE_IVEC2, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "intBitsToFloat", TYPE_VEC3, { TYPE_IVEC3, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "intBitsToFloat", TYPE_VEC4, { TYPE_IVEC4, TYPE_VOID }, TAG_GLOBAL, true },
|
|
|
|
{ "uintBitsToFloat", TYPE_FLOAT, { TYPE_UINT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "uintBitsToFloat", TYPE_VEC2, { TYPE_UVEC2, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "uintBitsToFloat", TYPE_VEC3, { TYPE_UVEC3, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "uintBitsToFloat", TYPE_VEC4, { TYPE_UVEC4, TYPE_VOID }, TAG_GLOBAL, true },
|
|
|
|
//builtins - geometric
|
|
{ "length", TYPE_FLOAT, { TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "length", TYPE_FLOAT, { TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "length", TYPE_FLOAT, { TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "distance", TYPE_FLOAT, { TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "distance", TYPE_FLOAT, { TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "distance", TYPE_FLOAT, { TYPE_VEC4, TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "dot", TYPE_FLOAT, { TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "dot", TYPE_FLOAT, { TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "dot", TYPE_FLOAT, { TYPE_VEC4, TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "cross", TYPE_VEC3, { TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "normalize", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "normalize", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "normalize", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "reflect", TYPE_VEC3, { TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "refract", TYPE_VEC3, { TYPE_VEC3, TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "faceforward", TYPE_VEC2, { TYPE_VEC2, TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "faceforward", TYPE_VEC3, { TYPE_VEC3, TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "faceforward", TYPE_VEC4, { TYPE_VEC4, TYPE_VEC4, TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "matrixCompMult", TYPE_MAT2, { TYPE_MAT2, TYPE_MAT2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "matrixCompMult", TYPE_MAT3, { TYPE_MAT3, TYPE_MAT3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "matrixCompMult", TYPE_MAT4, { TYPE_MAT4, TYPE_MAT4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "outerProduct", TYPE_MAT2, { TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "outerProduct", TYPE_MAT3, { TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "outerProduct", TYPE_MAT4, { TYPE_VEC4, TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "transpose", TYPE_MAT2, { TYPE_MAT2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "transpose", TYPE_MAT3, { TYPE_MAT3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "transpose", TYPE_MAT4, { TYPE_MAT4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "determinant", TYPE_FLOAT, { TYPE_MAT2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "determinant", TYPE_FLOAT, { TYPE_MAT3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "determinant", TYPE_FLOAT, { TYPE_MAT4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "inverse", TYPE_MAT2, { TYPE_MAT2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "inverse", TYPE_MAT3, { TYPE_MAT3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "inverse", TYPE_MAT4, { TYPE_MAT4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "lessThan", TYPE_BVEC2, { TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "lessThan", TYPE_BVEC3, { TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "lessThan", TYPE_BVEC4, { TYPE_VEC4, TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "lessThan", TYPE_BVEC2, { TYPE_IVEC2, TYPE_IVEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "lessThan", TYPE_BVEC3, { TYPE_IVEC3, TYPE_IVEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "lessThan", TYPE_BVEC4, { TYPE_IVEC4, TYPE_IVEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "lessThan", TYPE_BVEC2, { TYPE_UVEC2, TYPE_UVEC2, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "lessThan", TYPE_BVEC3, { TYPE_UVEC3, TYPE_UVEC3, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "lessThan", TYPE_BVEC4, { TYPE_UVEC4, TYPE_UVEC4, TYPE_VOID }, TAG_GLOBAL, true },
|
|
|
|
{ "greaterThan", TYPE_BVEC2, { TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "greaterThan", TYPE_BVEC3, { TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "greaterThan", TYPE_BVEC4, { TYPE_VEC4, TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "greaterThan", TYPE_BVEC2, { TYPE_IVEC2, TYPE_IVEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "greaterThan", TYPE_BVEC3, { TYPE_IVEC3, TYPE_IVEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "greaterThan", TYPE_BVEC4, { TYPE_IVEC4, TYPE_IVEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "greaterThan", TYPE_BVEC2, { TYPE_UVEC2, TYPE_UVEC2, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "greaterThan", TYPE_BVEC3, { TYPE_UVEC3, TYPE_UVEC3, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "greaterThan", TYPE_BVEC4, { TYPE_UVEC4, TYPE_UVEC4, TYPE_VOID }, TAG_GLOBAL, true },
|
|
|
|
{ "lessThanEqual", TYPE_BVEC2, { TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "lessThanEqual", TYPE_BVEC3, { TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "lessThanEqual", TYPE_BVEC4, { TYPE_VEC4, TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "lessThanEqual", TYPE_BVEC2, { TYPE_IVEC2, TYPE_IVEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "lessThanEqual", TYPE_BVEC3, { TYPE_IVEC3, TYPE_IVEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "lessThanEqual", TYPE_BVEC4, { TYPE_IVEC4, TYPE_IVEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "lessThanEqual", TYPE_BVEC2, { TYPE_UVEC2, TYPE_UVEC2, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "lessThanEqual", TYPE_BVEC3, { TYPE_UVEC3, TYPE_UVEC3, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "lessThanEqual", TYPE_BVEC4, { TYPE_UVEC4, TYPE_UVEC4, TYPE_VOID }, TAG_GLOBAL, true },
|
|
|
|
{ "greaterThanEqual", TYPE_BVEC2, { TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "greaterThanEqual", TYPE_BVEC3, { TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "greaterThanEqual", TYPE_BVEC4, { TYPE_VEC4, TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "greaterThanEqual", TYPE_BVEC2, { TYPE_IVEC2, TYPE_IVEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "greaterThanEqual", TYPE_BVEC3, { TYPE_IVEC3, TYPE_IVEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "greaterThanEqual", TYPE_BVEC4, { TYPE_IVEC4, TYPE_IVEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "greaterThanEqual", TYPE_BVEC2, { TYPE_UVEC2, TYPE_UVEC2, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "greaterThanEqual", TYPE_BVEC3, { TYPE_UVEC3, TYPE_UVEC3, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "greaterThanEqual", TYPE_BVEC4, { TYPE_UVEC4, TYPE_UVEC4, TYPE_VOID }, TAG_GLOBAL, true },
|
|
|
|
{ "equal", TYPE_BVEC2, { TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "equal", TYPE_BVEC3, { TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "equal", TYPE_BVEC4, { TYPE_VEC4, TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "equal", TYPE_BVEC2, { TYPE_IVEC2, TYPE_IVEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "equal", TYPE_BVEC3, { TYPE_IVEC3, TYPE_IVEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "equal", TYPE_BVEC4, { TYPE_IVEC4, TYPE_IVEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "equal", TYPE_BVEC2, { TYPE_UVEC2, TYPE_UVEC2, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "equal", TYPE_BVEC3, { TYPE_UVEC3, TYPE_UVEC3, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "equal", TYPE_BVEC4, { TYPE_UVEC4, TYPE_UVEC4, TYPE_VOID }, TAG_GLOBAL, true },
|
|
|
|
{ "equal", TYPE_BVEC2, { TYPE_BVEC2, TYPE_BVEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "equal", TYPE_BVEC3, { TYPE_BVEC3, TYPE_BVEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "equal", TYPE_BVEC4, { TYPE_BVEC4, TYPE_BVEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "notEqual", TYPE_BVEC2, { TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "notEqual", TYPE_BVEC3, { TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "notEqual", TYPE_BVEC4, { TYPE_VEC4, TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "notEqual", TYPE_BVEC2, { TYPE_IVEC2, TYPE_IVEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "notEqual", TYPE_BVEC3, { TYPE_IVEC3, TYPE_IVEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "notEqual", TYPE_BVEC4, { TYPE_IVEC4, TYPE_IVEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "notEqual", TYPE_BVEC2, { TYPE_UVEC2, TYPE_UVEC2, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "notEqual", TYPE_BVEC3, { TYPE_UVEC3, TYPE_UVEC3, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "notEqual", TYPE_BVEC4, { TYPE_UVEC4, TYPE_UVEC4, TYPE_VOID }, TAG_GLOBAL, true },
|
|
|
|
{ "notEqual", TYPE_BVEC2, { TYPE_BVEC2, TYPE_BVEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "notEqual", TYPE_BVEC3, { TYPE_BVEC3, TYPE_BVEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "notEqual", TYPE_BVEC4, { TYPE_BVEC4, TYPE_BVEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "any", TYPE_BOOL, { TYPE_BVEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "any", TYPE_BOOL, { TYPE_BVEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "any", TYPE_BOOL, { TYPE_BVEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "all", TYPE_BOOL, { TYPE_BVEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "all", TYPE_BOOL, { TYPE_BVEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "all", TYPE_BOOL, { TYPE_BVEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "not", TYPE_BVEC2, { TYPE_BVEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "not", TYPE_BVEC3, { TYPE_BVEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "not", TYPE_BVEC4, { TYPE_BVEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
//builtins - texture
|
|
{ "textureSize", TYPE_IVEC2, { TYPE_SAMPLER2D, TYPE_INT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureSize", TYPE_IVEC2, { TYPE_ISAMPLER2D, TYPE_INT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureSize", TYPE_IVEC2, { TYPE_USAMPLER2D, TYPE_INT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureSize", TYPE_IVEC3, { TYPE_SAMPLER2DARRAY, TYPE_INT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureSize", TYPE_IVEC3, { TYPE_ISAMPLER2DARRAY, TYPE_INT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureSize", TYPE_IVEC3, { TYPE_USAMPLER2DARRAY, TYPE_INT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureSize", TYPE_IVEC3, { TYPE_SAMPLER3D, TYPE_INT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureSize", TYPE_IVEC3, { TYPE_ISAMPLER3D, TYPE_INT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureSize", TYPE_IVEC3, { TYPE_USAMPLER3D, TYPE_INT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureSize", TYPE_IVEC2, { TYPE_SAMPLERCUBE, TYPE_INT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureSize", TYPE_IVEC2, { TYPE_SAMPLERCUBEARRAY, TYPE_INT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
|
|
{ "texture", TYPE_VEC4, { TYPE_SAMPLER2D, TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "texture", TYPE_VEC4, { TYPE_SAMPLER2D, TYPE_VEC2, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "texture", TYPE_UVEC4, { TYPE_USAMPLER2D, TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "texture", TYPE_UVEC4, { TYPE_USAMPLER2D, TYPE_VEC2, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "texture", TYPE_IVEC4, { TYPE_ISAMPLER2D, TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "texture", TYPE_IVEC4, { TYPE_ISAMPLER2D, TYPE_VEC2, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "texture", TYPE_VEC4, { TYPE_SAMPLER2DARRAY, TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "texture", TYPE_VEC4, { TYPE_SAMPLER2DARRAY, TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "texture", TYPE_UVEC4, { TYPE_USAMPLER2DARRAY, TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "texture", TYPE_UVEC4, { TYPE_USAMPLER2DARRAY, TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "texture", TYPE_IVEC4, { TYPE_ISAMPLER2DARRAY, TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "texture", TYPE_IVEC4, { TYPE_ISAMPLER2DARRAY, TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "texture", TYPE_VEC4, { TYPE_SAMPLER3D, TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "texture", TYPE_VEC4, { TYPE_SAMPLER3D, TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "texture", TYPE_UVEC4, { TYPE_USAMPLER3D, TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "texture", TYPE_UVEC4, { TYPE_USAMPLER3D, TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "texture", TYPE_IVEC4, { TYPE_ISAMPLER3D, TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "texture", TYPE_IVEC4, { TYPE_ISAMPLER3D, TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "texture", TYPE_VEC4, { TYPE_SAMPLERCUBE, TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "texture", TYPE_VEC4, { TYPE_SAMPLERCUBE, TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "texture", TYPE_VEC4, { TYPE_SAMPLERCUBEARRAY, TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "texture", TYPE_VEC4, { TYPE_SAMPLERCUBEARRAY, TYPE_VEC4, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "textureProj", TYPE_VEC4, { TYPE_SAMPLER2D, TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureProj", TYPE_VEC4, { TYPE_SAMPLER2D, TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureProj", TYPE_VEC4, { TYPE_SAMPLER2D, TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureProj", TYPE_VEC4, { TYPE_SAMPLER2D, TYPE_VEC4, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureProj", TYPE_IVEC4, { TYPE_ISAMPLER2D, TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureProj", TYPE_IVEC4, { TYPE_ISAMPLER2D, TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureProj", TYPE_IVEC4, { TYPE_ISAMPLER2D, TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureProj", TYPE_IVEC4, { TYPE_ISAMPLER2D, TYPE_VEC4, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureProj", TYPE_UVEC4, { TYPE_USAMPLER2D, TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureProj", TYPE_UVEC4, { TYPE_USAMPLER2D, TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureProj", TYPE_UVEC4, { TYPE_USAMPLER2D, TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureProj", TYPE_UVEC4, { TYPE_USAMPLER2D, TYPE_VEC4, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureProj", TYPE_VEC4, { TYPE_SAMPLER3D, TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureProj", TYPE_VEC4, { TYPE_SAMPLER3D, TYPE_VEC4, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureProj", TYPE_IVEC4, { TYPE_ISAMPLER3D, TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureProj", TYPE_IVEC4, { TYPE_ISAMPLER3D, TYPE_VEC4, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureProj", TYPE_UVEC4, { TYPE_USAMPLER3D, TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureProj", TYPE_UVEC4, { TYPE_USAMPLER3D, TYPE_VEC4, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
|
|
{ "textureLod", TYPE_VEC4, { TYPE_SAMPLER2D, TYPE_VEC2, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "textureLod", TYPE_IVEC4, { TYPE_ISAMPLER2D, TYPE_VEC2, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureLod", TYPE_UVEC4, { TYPE_USAMPLER2D, TYPE_VEC2, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureLod", TYPE_VEC4, { TYPE_SAMPLER2DARRAY, TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "textureLod", TYPE_IVEC4, { TYPE_ISAMPLER2DARRAY, TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureLod", TYPE_UVEC4, { TYPE_USAMPLER2DARRAY, TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureLod", TYPE_VEC4, { TYPE_SAMPLER3D, TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "textureLod", TYPE_IVEC4, { TYPE_ISAMPLER3D, TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureLod", TYPE_UVEC4, { TYPE_USAMPLER3D, TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureLod", TYPE_VEC4, { TYPE_SAMPLERCUBE, TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "textureLod", TYPE_VEC4, { TYPE_SAMPLERCUBEARRAY, TYPE_VEC4, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ "texelFetch", TYPE_VEC4, { TYPE_SAMPLER2D, TYPE_IVEC2, TYPE_INT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "texelFetch", TYPE_IVEC4, { TYPE_ISAMPLER2D, TYPE_IVEC2, TYPE_INT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "texelFetch", TYPE_UVEC4, { TYPE_USAMPLER2D, TYPE_IVEC2, TYPE_INT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "texelFetch", TYPE_VEC4, { TYPE_SAMPLER2DARRAY, TYPE_IVEC3, TYPE_INT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "texelFetch", TYPE_IVEC4, { TYPE_ISAMPLER2DARRAY, TYPE_IVEC3, TYPE_INT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "texelFetch", TYPE_UVEC4, { TYPE_USAMPLER2DARRAY, TYPE_IVEC3, TYPE_INT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "texelFetch", TYPE_VEC4, { TYPE_SAMPLER3D, TYPE_IVEC3, TYPE_INT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "texelFetch", TYPE_IVEC4, { TYPE_ISAMPLER3D, TYPE_IVEC3, TYPE_INT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "texelFetch", TYPE_UVEC4, { TYPE_USAMPLER3D, TYPE_IVEC3, TYPE_INT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
|
|
{ "textureProjLod", TYPE_VEC4, { TYPE_SAMPLER2D, TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureProjLod", TYPE_VEC4, { TYPE_SAMPLER2D, TYPE_VEC4, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureProjLod", TYPE_IVEC4, { TYPE_ISAMPLER2D, TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureProjLod", TYPE_IVEC4, { TYPE_ISAMPLER2D, TYPE_VEC4, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureProjLod", TYPE_UVEC4, { TYPE_USAMPLER2D, TYPE_VEC3, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureProjLod", TYPE_UVEC4, { TYPE_USAMPLER2D, TYPE_VEC4, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureProjLod", TYPE_VEC4, { TYPE_SAMPLER3D, TYPE_VEC4, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureProjLod", TYPE_IVEC4, { TYPE_ISAMPLER3D, TYPE_VEC4, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureProjLod", TYPE_UVEC4, { TYPE_USAMPLER3D, TYPE_VEC4, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
|
|
{ "textureGrad", TYPE_VEC4, { TYPE_SAMPLER2D, TYPE_VEC2, TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureGrad", TYPE_IVEC4, { TYPE_ISAMPLER2D, TYPE_VEC2, TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureGrad", TYPE_UVEC4, { TYPE_USAMPLER2D, TYPE_VEC2, TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureGrad", TYPE_VEC4, { TYPE_SAMPLER2DARRAY, TYPE_VEC3, TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureGrad", TYPE_IVEC4, { TYPE_ISAMPLER2DARRAY, TYPE_VEC3, TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureGrad", TYPE_UVEC4, { TYPE_USAMPLER2DARRAY, TYPE_VEC3, TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureGrad", TYPE_VEC4, { TYPE_SAMPLER3D, TYPE_VEC3, TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureGrad", TYPE_IVEC4, { TYPE_ISAMPLER3D, TYPE_VEC3, TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureGrad", TYPE_UVEC4, { TYPE_USAMPLER3D, TYPE_VEC3, TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureGrad", TYPE_VEC4, { TYPE_SAMPLERCUBE, TYPE_VEC3, TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "textureGrad", TYPE_VEC4, { TYPE_SAMPLERCUBEARRAY, TYPE_VEC4, TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, true },
|
|
|
|
{ "dFdx", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "dFdx", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "dFdx", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "dFdx", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, true },
|
|
|
|
{ "dFdy", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "dFdy", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "dFdy", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "dFdy", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, true },
|
|
|
|
{ "fwidth", TYPE_FLOAT, { TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "fwidth", TYPE_VEC2, { TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "fwidth", TYPE_VEC3, { TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, true },
|
|
{ "fwidth", TYPE_VEC4, { TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, true },
|
|
|
|
//sub-functions
|
|
|
|
//array
|
|
{ "length", TYPE_INT, { TYPE_VOID }, TAG_ARRAY, true },
|
|
|
|
// modern functions
|
|
|
|
{ "fma", TYPE_FLOAT, { TYPE_FLOAT, TYPE_FLOAT, TYPE_FLOAT, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "fma", TYPE_VEC2, { TYPE_VEC2, TYPE_VEC2, TYPE_VEC2, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "fma", TYPE_VEC3, { TYPE_VEC3, TYPE_VEC3, TYPE_VEC3, TYPE_VOID }, TAG_GLOBAL, false },
|
|
{ "fma", TYPE_VEC4, { TYPE_VEC4, TYPE_VEC4, TYPE_VEC4, TYPE_VOID }, TAG_GLOBAL, false },
|
|
|
|
{ nullptr, TYPE_VOID, { TYPE_VOID }, TAG_GLOBAL, false }
|
|
};
|
|
|
|
const ShaderLanguage::BuiltinFuncOutArgs ShaderLanguage::builtin_func_out_args[] = {
|
|
//constructors
|
|
{ "modf", 1 },
|
|
{ nullptr, 0 }
|
|
};
|
|
|
|
bool ShaderLanguage::_validate_function_call(BlockNode *p_block, const FunctionInfo &p_function_info, OperatorNode *p_func, DataType *r_ret_type, StringName *r_ret_type_str) {
|
|
ERR_FAIL_COND_V(p_func->op != OP_CALL && p_func->op != OP_CONSTRUCT, false);
|
|
|
|
Vector<DataType> args;
|
|
Vector<StringName> args2;
|
|
|
|
ERR_FAIL_COND_V(p_func->arguments[0]->type != Node::TYPE_VARIABLE, false);
|
|
|
|
StringName name = static_cast<VariableNode *>(p_func->arguments[0])->name.operator String();
|
|
|
|
for (int i = 1; i < p_func->arguments.size(); i++) {
|
|
args.push_back(p_func->arguments[i]->get_datatype());
|
|
args2.push_back(p_func->arguments[i]->get_datatype_name());
|
|
}
|
|
|
|
int argcount = args.size();
|
|
|
|
if (p_function_info.stage_functions.has(name)) {
|
|
//stage based function
|
|
const StageFunctionInfo &sf = p_function_info.stage_functions[name];
|
|
if (argcount != sf.arguments.size()) {
|
|
_set_error(vformat("Invalid number of arguments when calling stage function '%s', which expects %d arguments.", String(name), sf.arguments.size()));
|
|
return false;
|
|
}
|
|
//validate arguments
|
|
for (int i = 0; i < argcount; i++) {
|
|
if (args[i] != sf.arguments[i].type) {
|
|
_set_error(vformat("Invalid argument type when calling stage function '%s', type expected is '%s'.", String(name), String(get_datatype_name(sf.arguments[i].type))));
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (r_ret_type) {
|
|
*r_ret_type = sf.return_type;
|
|
}
|
|
if (r_ret_type_str) {
|
|
*r_ret_type_str = "";
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool failed_builtin = false;
|
|
bool unsupported_builtin = false;
|
|
int builtin_idx = 0;
|
|
|
|
if (argcount <= 4) {
|
|
// test builtins
|
|
int idx = 0;
|
|
|
|
while (builtin_func_defs[idx].name) {
|
|
if (completion_class != builtin_func_defs[idx].tag) {
|
|
idx++;
|
|
continue;
|
|
}
|
|
|
|
if (name == builtin_func_defs[idx].name) {
|
|
failed_builtin = true;
|
|
bool fail = false;
|
|
for (int i = 0; i < argcount; i++) {
|
|
if (get_scalar_type(args[i]) == args[i] && p_func->arguments[i + 1]->type == Node::TYPE_CONSTANT && convert_constant(static_cast<ConstantNode *>(p_func->arguments[i + 1]), builtin_func_defs[idx].args[i])) {
|
|
//all good, but needs implicit conversion later
|
|
} else if (args[i] != builtin_func_defs[idx].args[i]) {
|
|
fail = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!fail) {
|
|
if (RenderingServer::get_singleton()->is_low_end()) {
|
|
if (builtin_func_defs[idx].high_end) {
|
|
fail = true;
|
|
unsupported_builtin = true;
|
|
builtin_idx = idx;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!fail && argcount < 4 && builtin_func_defs[idx].args[argcount] != TYPE_VOID) {
|
|
fail = true; //make sure the number of arguments matches
|
|
}
|
|
|
|
if (!fail) {
|
|
//make sure its not an out argument used in the wrong way
|
|
int outarg_idx = 0;
|
|
while (builtin_func_out_args[outarg_idx].name) {
|
|
if (String(name) == builtin_func_out_args[outarg_idx].name) {
|
|
int arg_idx = builtin_func_out_args[outarg_idx].argument;
|
|
|
|
if (arg_idx < argcount) {
|
|
if (p_func->arguments[arg_idx + 1]->type != Node::TYPE_VARIABLE && p_func->arguments[arg_idx + 1]->type != Node::TYPE_MEMBER && p_func->arguments[arg_idx + 1]->type != Node::TYPE_ARRAY) {
|
|
_set_error("Argument " + itos(arg_idx + 1) + " of function '" + String(name) + "' is not a variable, array or member.");
|
|
return false;
|
|
}
|
|
|
|
if (p_func->arguments[arg_idx + 1]->type == Node::TYPE_ARRAY) {
|
|
ArrayNode *mn = static_cast<ArrayNode *>(p_func->arguments[arg_idx + 1]);
|
|
if (mn->is_const) {
|
|
fail = true;
|
|
}
|
|
} else if (p_func->arguments[arg_idx + 1]->type == Node::TYPE_MEMBER) {
|
|
MemberNode *mn = static_cast<MemberNode *>(p_func->arguments[arg_idx + 1]);
|
|
if (mn->basetype_const) {
|
|
fail = true;
|
|
}
|
|
} else { // TYPE_VARIABLE
|
|
VariableNode *vn = static_cast<VariableNode *>(p_func->arguments[arg_idx + 1]);
|
|
if (vn->is_const) {
|
|
fail = true;
|
|
} else {
|
|
StringName varname = vn->name;
|
|
if (shader->uniforms.has(varname)) {
|
|
fail = true;
|
|
} else {
|
|
if (p_function_info.built_ins.has(varname)) {
|
|
BuiltInInfo info = p_function_info.built_ins[varname];
|
|
if (info.constant) {
|
|
fail = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (fail) {
|
|
_set_error(vformat("Constant value cannot be passed for '%s' parameter!", "out"));
|
|
return false;
|
|
}
|
|
|
|
StringName var_name;
|
|
if (p_func->arguments[arg_idx + 1]->type == Node::TYPE_ARRAY) {
|
|
var_name = static_cast<const ArrayNode *>(p_func->arguments[arg_idx + 1])->name;
|
|
} else if (p_func->arguments[arg_idx + 1]->type == Node::TYPE_MEMBER) {
|
|
Node *n = static_cast<const MemberNode *>(p_func->arguments[arg_idx + 1])->owner;
|
|
while (n->type == Node::TYPE_MEMBER) {
|
|
n = static_cast<const MemberNode *>(n)->owner;
|
|
}
|
|
if (n->type != Node::TYPE_VARIABLE && n->type != Node::TYPE_ARRAY) {
|
|
_set_error("Argument " + itos(arg_idx + 1) + " of function '" + String(name) + "' is not a variable, array or member.");
|
|
return false;
|
|
}
|
|
if (n->type == Node::TYPE_VARIABLE) {
|
|
var_name = static_cast<const VariableNode *>(n)->name;
|
|
} else { // TYPE_ARRAY
|
|
var_name = static_cast<const ArrayNode *>(n)->name;
|
|
}
|
|
} else { // TYPE_VARIABLE
|
|
var_name = static_cast<const VariableNode *>(p_func->arguments[arg_idx + 1])->name;
|
|
}
|
|
const BlockNode *b = p_block;
|
|
bool valid = false;
|
|
while (b) {
|
|
if (b->variables.has(var_name) || p_function_info.built_ins.has(var_name)) {
|
|
valid = true;
|
|
break;
|
|
}
|
|
if (b->parent_function) {
|
|
for (int i = 0; i < b->parent_function->arguments.size(); i++) {
|
|
if (b->parent_function->arguments[i].name == var_name) {
|
|
valid = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
b = b->parent_block;
|
|
}
|
|
|
|
if (!valid) {
|
|
_set_error("Argument " + itos(arg_idx + 1) + " of function '" + String(name) + "' can only take a local variable, array or member.");
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
outarg_idx++;
|
|
}
|
|
//implicitly convert values if possible
|
|
for (int i = 0; i < argcount; i++) {
|
|
if (get_scalar_type(args[i]) != args[i] || args[i] == builtin_func_defs[idx].args[i] || p_func->arguments[i + 1]->type != Node::TYPE_CONSTANT) {
|
|
//can't do implicit conversion here
|
|
continue;
|
|
}
|
|
|
|
//this is an implicit conversion
|
|
ConstantNode *constant = static_cast<ConstantNode *>(p_func->arguments[i + 1]);
|
|
ConstantNode *conversion = alloc_node<ConstantNode>();
|
|
|
|
conversion->datatype = builtin_func_defs[idx].args[i];
|
|
conversion->values.resize(1);
|
|
|
|
convert_constant(constant, builtin_func_defs[idx].args[i], conversion->values.ptrw());
|
|
p_func->arguments.write[i + 1] = conversion;
|
|
}
|
|
|
|
if (r_ret_type) {
|
|
*r_ret_type = builtin_func_defs[idx].rettype;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
}
|
|
|
|
idx++;
|
|
}
|
|
}
|
|
|
|
if (unsupported_builtin) {
|
|
String arglist = "";
|
|
for (int i = 0; i < argcount; i++) {
|
|
if (i > 0) {
|
|
arglist += ", ";
|
|
}
|
|
arglist += get_datatype_name(builtin_func_defs[builtin_idx].args[i]);
|
|
}
|
|
|
|
String err = "Built-in function \"" + String(name) + "(" + arglist + ")\" is supported only on high-end platform!";
|
|
_set_error(err);
|
|
return false;
|
|
}
|
|
|
|
if (failed_builtin) {
|
|
String err = "Invalid arguments for built-in function: " + String(name) + "(";
|
|
for (int i = 0; i < argcount; i++) {
|
|
if (i > 0) {
|
|
err += ",";
|
|
}
|
|
|
|
String arg_name;
|
|
if (args[i] == TYPE_STRUCT) {
|
|
arg_name = args2[i];
|
|
} else {
|
|
arg_name = get_datatype_name(args[i]);
|
|
}
|
|
err += arg_name;
|
|
}
|
|
err += ")";
|
|
_set_error(err);
|
|
return false;
|
|
}
|
|
|
|
// try existing functions..
|
|
|
|
StringName exclude_function;
|
|
BlockNode *block = p_block;
|
|
|
|
while (block) {
|
|
if (block->parent_function) {
|
|
exclude_function = block->parent_function->name;
|
|
}
|
|
block = block->parent_block;
|
|
}
|
|
|
|
if (name == exclude_function) {
|
|
_set_error("Recursion is not allowed");
|
|
return false;
|
|
}
|
|
|
|
int last_arg_count = 0;
|
|
String arg_list = "";
|
|
|
|
for (int i = 0; i < shader->functions.size(); i++) {
|
|
if (name != shader->functions[i].name) {
|
|
continue;
|
|
}
|
|
|
|
if (!shader->functions[i].callable) {
|
|
_set_error("Function '" + String(name) + " can't be called from source code.");
|
|
return false;
|
|
}
|
|
|
|
FunctionNode *pfunc = shader->functions[i].function;
|
|
if (arg_list == "") {
|
|
for (int j = 0; j < pfunc->arguments.size(); j++) {
|
|
if (j > 0) {
|
|
arg_list += ", ";
|
|
}
|
|
String func_arg_name;
|
|
if (pfunc->arguments[j].type == TYPE_STRUCT) {
|
|
func_arg_name = pfunc->arguments[j].type_str;
|
|
} else {
|
|
func_arg_name = get_datatype_name(pfunc->arguments[j].type);
|
|
}
|
|
arg_list += func_arg_name;
|
|
}
|
|
}
|
|
|
|
if (pfunc->arguments.size() != args.size()) {
|
|
last_arg_count = pfunc->arguments.size();
|
|
continue;
|
|
}
|
|
|
|
bool fail = false;
|
|
|
|
for (int j = 0; j < args.size(); j++) {
|
|
if (get_scalar_type(args[j]) == args[j] && p_func->arguments[j + 1]->type == Node::TYPE_CONSTANT && convert_constant(static_cast<ConstantNode *>(p_func->arguments[j + 1]), pfunc->arguments[j].type)) {
|
|
//all good, but it needs implicit conversion later
|
|
} else if (args[j] != pfunc->arguments[j].type || (args[j] == TYPE_STRUCT && args2[j] != pfunc->arguments[j].type_str)) {
|
|
String func_arg_name;
|
|
if (pfunc->arguments[j].type == TYPE_STRUCT) {
|
|
func_arg_name = pfunc->arguments[j].type_str;
|
|
} else {
|
|
func_arg_name = get_datatype_name(pfunc->arguments[j].type);
|
|
}
|
|
String arg_name;
|
|
if (args[j] == TYPE_STRUCT) {
|
|
arg_name = args2[j];
|
|
} else {
|
|
arg_name = get_datatype_name(args[j]);
|
|
}
|
|
_set_error(vformat("Invalid argument for \"%s(%s)\" function: argument %s should be %s but is %s.", String(name), arg_list, j + 1, func_arg_name, arg_name));
|
|
fail = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!fail) {
|
|
//implicitly convert values if possible
|
|
for (int k = 0; k < args.size(); k++) {
|
|
if (get_scalar_type(args[k]) != args[k] || args[k] == pfunc->arguments[k].type || p_func->arguments[k + 1]->type != Node::TYPE_CONSTANT) {
|
|
//can't do implicit conversion here
|
|
continue;
|
|
}
|
|
|
|
//this is an implicit conversion
|
|
ConstantNode *constant = static_cast<ConstantNode *>(p_func->arguments[k + 1]);
|
|
ConstantNode *conversion = alloc_node<ConstantNode>();
|
|
|
|
conversion->datatype = pfunc->arguments[k].type;
|
|
conversion->values.resize(1);
|
|
|
|
convert_constant(constant, pfunc->arguments[k].type, conversion->values.ptrw());
|
|
p_func->arguments.write[k + 1] = conversion;
|
|
}
|
|
|
|
if (r_ret_type) {
|
|
*r_ret_type = pfunc->return_type;
|
|
if (pfunc->return_type == TYPE_STRUCT) {
|
|
*r_ret_type_str = pfunc->return_struct_name;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
}
|
|
|
|
if (last_arg_count > args.size()) {
|
|
_set_error(vformat("Too few arguments for \"%s(%s)\" call. Expected at least %s but received %s.", String(name), arg_list, last_arg_count, args.size()));
|
|
} else if (last_arg_count < args.size()) {
|
|
_set_error(vformat("Too many arguments for \"%s(%s)\" call. Expected at most %s but received %s.", String(name), arg_list, last_arg_count, args.size()));
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool ShaderLanguage::_compare_datatypes_in_nodes(Node *a, Node *b) const {
|
|
if (a->get_datatype() != b->get_datatype()) {
|
|
return false;
|
|
}
|
|
if (a->get_datatype() == TYPE_STRUCT || b->get_datatype() == TYPE_STRUCT) {
|
|
if (a->get_datatype_name() != b->get_datatype_name()) {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool ShaderLanguage::_parse_function_arguments(BlockNode *p_block, const FunctionInfo &p_function_info, OperatorNode *p_func, int *r_complete_arg) {
|
|
TkPos pos = _get_tkpos();
|
|
Token tk = _get_token();
|
|
|
|
if (tk.type == TK_PARENTHESIS_CLOSE) {
|
|
return true;
|
|
}
|
|
|
|
_set_tkpos(pos);
|
|
|
|
while (true) {
|
|
if (r_complete_arg) {
|
|
pos = _get_tkpos();
|
|
tk = _get_token();
|
|
|
|
if (tk.type == TK_CURSOR) {
|
|
*r_complete_arg = p_func->arguments.size() - 1;
|
|
} else {
|
|
_set_tkpos(pos);
|
|
}
|
|
}
|
|
|
|
Node *arg = _parse_and_reduce_expression(p_block, p_function_info);
|
|
|
|
if (!arg) {
|
|
return false;
|
|
}
|
|
|
|
p_func->arguments.push_back(arg);
|
|
|
|
tk = _get_token();
|
|
|
|
if (tk.type == TK_PARENTHESIS_CLOSE) {
|
|
return true;
|
|
} else if (tk.type != TK_COMMA) {
|
|
// something is broken
|
|
_set_error("Expected ',' or ')' after argument");
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool ShaderLanguage::is_token_operator(TokenType p_type) {
|
|
return (p_type == TK_OP_EQUAL ||
|
|
p_type == TK_OP_NOT_EQUAL ||
|
|
p_type == TK_OP_LESS ||
|
|
p_type == TK_OP_LESS_EQUAL ||
|
|
p_type == TK_OP_GREATER ||
|
|
p_type == TK_OP_GREATER_EQUAL ||
|
|
p_type == TK_OP_AND ||
|
|
p_type == TK_OP_OR ||
|
|
p_type == TK_OP_NOT ||
|
|
p_type == TK_OP_ADD ||
|
|
p_type == TK_OP_SUB ||
|
|
p_type == TK_OP_MUL ||
|
|
p_type == TK_OP_DIV ||
|
|
p_type == TK_OP_MOD ||
|
|
p_type == TK_OP_SHIFT_LEFT ||
|
|
p_type == TK_OP_SHIFT_RIGHT ||
|
|
p_type == TK_OP_ASSIGN ||
|
|
p_type == TK_OP_ASSIGN_ADD ||
|
|
p_type == TK_OP_ASSIGN_SUB ||
|
|
p_type == TK_OP_ASSIGN_MUL ||
|
|
p_type == TK_OP_ASSIGN_DIV ||
|
|
p_type == TK_OP_ASSIGN_MOD ||
|
|
p_type == TK_OP_ASSIGN_SHIFT_LEFT ||
|
|
p_type == TK_OP_ASSIGN_SHIFT_RIGHT ||
|
|
p_type == TK_OP_ASSIGN_BIT_AND ||
|
|
p_type == TK_OP_ASSIGN_BIT_OR ||
|
|
p_type == TK_OP_ASSIGN_BIT_XOR ||
|
|
p_type == TK_OP_BIT_AND ||
|
|
p_type == TK_OP_BIT_OR ||
|
|
p_type == TK_OP_BIT_XOR ||
|
|
p_type == TK_OP_BIT_INVERT ||
|
|
p_type == TK_OP_INCREMENT ||
|
|
p_type == TK_OP_DECREMENT ||
|
|
p_type == TK_QUESTION ||
|
|
p_type == TK_COLON);
|
|
}
|
|
|
|
bool ShaderLanguage::convert_constant(ConstantNode *p_constant, DataType p_to_type, ConstantNode::Value *p_value) {
|
|
if (p_constant->datatype == p_to_type) {
|
|
if (p_value) {
|
|
for (int i = 0; i < p_constant->values.size(); i++) {
|
|
p_value[i] = p_constant->values[i];
|
|
}
|
|
}
|
|
return true;
|
|
} else if (p_constant->datatype == TYPE_INT && p_to_type == TYPE_FLOAT) {
|
|
if (p_value) {
|
|
p_value->real = p_constant->values[0].sint;
|
|
}
|
|
return true;
|
|
} else if (p_constant->datatype == TYPE_UINT && p_to_type == TYPE_FLOAT) {
|
|
if (p_value) {
|
|
p_value->real = p_constant->values[0].uint;
|
|
}
|
|
return true;
|
|
} else if (p_constant->datatype == TYPE_INT && p_to_type == TYPE_UINT) {
|
|
if (p_constant->values[0].sint < 0) {
|
|
return false;
|
|
}
|
|
if (p_value) {
|
|
p_value->uint = p_constant->values[0].sint;
|
|
}
|
|
return true;
|
|
} else if (p_constant->datatype == TYPE_UINT && p_to_type == TYPE_INT) {
|
|
if (p_constant->values[0].uint > 0x7FFFFFFF) {
|
|
return false;
|
|
}
|
|
if (p_value) {
|
|
p_value->sint = p_constant->values[0].uint;
|
|
}
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
bool ShaderLanguage::is_scalar_type(DataType p_type) {
|
|
return p_type == TYPE_BOOL || p_type == TYPE_INT || p_type == TYPE_UINT || p_type == TYPE_FLOAT;
|
|
}
|
|
|
|
bool ShaderLanguage::is_sampler_type(DataType p_type) {
|
|
return p_type == TYPE_SAMPLER2D ||
|
|
p_type == TYPE_ISAMPLER2D ||
|
|
p_type == TYPE_USAMPLER2D ||
|
|
p_type == TYPE_SAMPLER2DARRAY ||
|
|
p_type == TYPE_ISAMPLER2DARRAY ||
|
|
p_type == TYPE_USAMPLER2DARRAY ||
|
|
p_type == TYPE_SAMPLER3D ||
|
|
p_type == TYPE_ISAMPLER3D ||
|
|
p_type == TYPE_USAMPLER3D ||
|
|
p_type == TYPE_SAMPLERCUBE ||
|
|
p_type == TYPE_SAMPLERCUBEARRAY;
|
|
}
|
|
|
|
Variant ShaderLanguage::constant_value_to_variant(const Vector<ShaderLanguage::ConstantNode::Value> &p_value, DataType p_type, ShaderLanguage::ShaderNode::Uniform::Hint p_hint) {
|
|
if (p_value.size() > 0) {
|
|
Variant value;
|
|
switch (p_type) {
|
|
case ShaderLanguage::TYPE_BOOL:
|
|
value = Variant(p_value[0].boolean);
|
|
break;
|
|
case ShaderLanguage::TYPE_BVEC2:
|
|
case ShaderLanguage::TYPE_BVEC3:
|
|
case ShaderLanguage::TYPE_BVEC4:
|
|
case ShaderLanguage::TYPE_INT:
|
|
value = Variant(p_value[0].sint);
|
|
break;
|
|
case ShaderLanguage::TYPE_IVEC2:
|
|
value = Variant(Vector2(p_value[0].sint, p_value[1].sint));
|
|
break;
|
|
case ShaderLanguage::TYPE_IVEC3:
|
|
value = Variant(Vector3(p_value[0].sint, p_value[1].sint, p_value[2].sint));
|
|
break;
|
|
case ShaderLanguage::TYPE_IVEC4:
|
|
value = Variant(Plane(p_value[0].sint, p_value[1].sint, p_value[2].sint, p_value[3].sint));
|
|
break;
|
|
case ShaderLanguage::TYPE_UINT:
|
|
value = Variant(p_value[0].uint);
|
|
break;
|
|
case ShaderLanguage::TYPE_UVEC2:
|
|
value = Variant(Vector2(p_value[0].uint, p_value[1].uint));
|
|
break;
|
|
case ShaderLanguage::TYPE_UVEC3:
|
|
value = Variant(Vector3(p_value[0].uint, p_value[1].uint, p_value[2].uint));
|
|
break;
|
|
case ShaderLanguage::TYPE_UVEC4:
|
|
value = Variant(Plane(p_value[0].uint, p_value[1].uint, p_value[2].uint, p_value[3].uint));
|
|
break;
|
|
case ShaderLanguage::TYPE_FLOAT:
|
|
value = Variant(p_value[0].real);
|
|
break;
|
|
case ShaderLanguage::TYPE_VEC2:
|
|
value = Variant(Vector2(p_value[0].real, p_value[1].real));
|
|
break;
|
|
case ShaderLanguage::TYPE_VEC3:
|
|
value = Variant(Vector3(p_value[0].real, p_value[1].real, p_value[2].real));
|
|
break;
|
|
case ShaderLanguage::TYPE_VEC4:
|
|
if (p_hint == ShaderLanguage::ShaderNode::Uniform::HINT_COLOR) {
|
|
value = Variant(Color(p_value[0].real, p_value[1].real, p_value[2].real, p_value[3].real));
|
|
} else {
|
|
value = Variant(Plane(p_value[0].real, p_value[1].real, p_value[2].real, p_value[3].real));
|
|
}
|
|
break;
|
|
case ShaderLanguage::TYPE_MAT2:
|
|
value = Variant(Transform2D(p_value[0].real, p_value[2].real, p_value[1].real, p_value[3].real, 0.0, 0.0));
|
|
break;
|
|
case ShaderLanguage::TYPE_MAT3: {
|
|
Basis p;
|
|
p[0][0] = p_value[0].real;
|
|
p[0][1] = p_value[1].real;
|
|
p[0][2] = p_value[2].real;
|
|
p[1][0] = p_value[3].real;
|
|
p[1][1] = p_value[4].real;
|
|
p[1][2] = p_value[5].real;
|
|
p[2][0] = p_value[6].real;
|
|
p[2][1] = p_value[7].real;
|
|
p[2][2] = p_value[8].real;
|
|
value = Variant(p);
|
|
break;
|
|
}
|
|
case ShaderLanguage::TYPE_MAT4: {
|
|
Basis p;
|
|
p[0][0] = p_value[0].real;
|
|
p[0][1] = p_value[1].real;
|
|
p[0][2] = p_value[2].real;
|
|
p[1][0] = p_value[4].real;
|
|
p[1][1] = p_value[5].real;
|
|
p[1][2] = p_value[6].real;
|
|
p[2][0] = p_value[8].real;
|
|
p[2][1] = p_value[9].real;
|
|
p[2][2] = p_value[10].real;
|
|
Transform t = Transform(p, Vector3(p_value[3].real, p_value[7].real, p_value[11].real));
|
|
value = Variant(t);
|
|
break;
|
|
}
|
|
case ShaderLanguage::TYPE_ISAMPLER2DARRAY:
|
|
case ShaderLanguage::TYPE_ISAMPLER2D:
|
|
case ShaderLanguage::TYPE_ISAMPLER3D:
|
|
case ShaderLanguage::TYPE_SAMPLER2DARRAY:
|
|
case ShaderLanguage::TYPE_SAMPLER2D:
|
|
case ShaderLanguage::TYPE_SAMPLER3D:
|
|
case ShaderLanguage::TYPE_USAMPLER2DARRAY:
|
|
case ShaderLanguage::TYPE_USAMPLER2D:
|
|
case ShaderLanguage::TYPE_USAMPLER3D:
|
|
case ShaderLanguage::TYPE_SAMPLERCUBE:
|
|
case ShaderLanguage::TYPE_SAMPLERCUBEARRAY: {
|
|
// Texture types, likely not relevant here.
|
|
break;
|
|
}
|
|
case ShaderLanguage::TYPE_STRUCT:
|
|
break;
|
|
case ShaderLanguage::TYPE_VOID:
|
|
break;
|
|
case ShaderLanguage::TYPE_MAX:
|
|
break;
|
|
}
|
|
return value;
|
|
}
|
|
return Variant();
|
|
}
|
|
|
|
PropertyInfo ShaderLanguage::uniform_to_property_info(const ShaderNode::Uniform &p_uniform) {
|
|
PropertyInfo pi;
|
|
switch (p_uniform.type) {
|
|
case ShaderLanguage::TYPE_VOID:
|
|
pi.type = Variant::NIL;
|
|
break;
|
|
case ShaderLanguage::TYPE_BOOL:
|
|
pi.type = Variant::BOOL;
|
|
break;
|
|
case ShaderLanguage::TYPE_BVEC2:
|
|
pi.type = Variant::INT;
|
|
pi.hint = PROPERTY_HINT_FLAGS;
|
|
pi.hint_string = "x,y";
|
|
break;
|
|
case ShaderLanguage::TYPE_BVEC3:
|
|
pi.type = Variant::INT;
|
|
pi.hint = PROPERTY_HINT_FLAGS;
|
|
pi.hint_string = "x,y,z";
|
|
break;
|
|
case ShaderLanguage::TYPE_BVEC4:
|
|
pi.type = Variant::INT;
|
|
pi.hint = PROPERTY_HINT_FLAGS;
|
|
pi.hint_string = "x,y,z,w";
|
|
break;
|
|
case ShaderLanguage::TYPE_UINT:
|
|
case ShaderLanguage::TYPE_INT: {
|
|
pi.type = Variant::INT;
|
|
if (p_uniform.hint == ShaderLanguage::ShaderNode::Uniform::HINT_RANGE) {
|
|
pi.hint = PROPERTY_HINT_RANGE;
|
|
pi.hint_string = rtos(p_uniform.hint_range[0]) + "," + rtos(p_uniform.hint_range[1]) + "," + rtos(p_uniform.hint_range[2]);
|
|
}
|
|
|
|
} break;
|
|
case ShaderLanguage::TYPE_IVEC2:
|
|
case ShaderLanguage::TYPE_IVEC3:
|
|
case ShaderLanguage::TYPE_IVEC4:
|
|
case ShaderLanguage::TYPE_UVEC2:
|
|
case ShaderLanguage::TYPE_UVEC3:
|
|
case ShaderLanguage::TYPE_UVEC4: {
|
|
pi.type = Variant::PACKED_INT32_ARRAY;
|
|
} break;
|
|
case ShaderLanguage::TYPE_FLOAT: {
|
|
pi.type = Variant::FLOAT;
|
|
if (p_uniform.hint == ShaderLanguage::ShaderNode::Uniform::HINT_RANGE) {
|
|
pi.hint = PROPERTY_HINT_RANGE;
|
|
pi.hint_string = rtos(p_uniform.hint_range[0]) + "," + rtos(p_uniform.hint_range[1]) + "," + rtos(p_uniform.hint_range[2]);
|
|
}
|
|
|
|
} break;
|
|
case ShaderLanguage::TYPE_VEC2:
|
|
pi.type = Variant::VECTOR2;
|
|
break;
|
|
case ShaderLanguage::TYPE_VEC3:
|
|
pi.type = Variant::VECTOR3;
|
|
break;
|
|
case ShaderLanguage::TYPE_VEC4: {
|
|
if (p_uniform.hint == ShaderLanguage::ShaderNode::Uniform::HINT_COLOR) {
|
|
pi.type = Variant::COLOR;
|
|
} else {
|
|
pi.type = Variant::PLANE;
|
|
}
|
|
} break;
|
|
case ShaderLanguage::TYPE_MAT2:
|
|
pi.type = Variant::TRANSFORM2D;
|
|
break;
|
|
case ShaderLanguage::TYPE_MAT3:
|
|
pi.type = Variant::BASIS;
|
|
break;
|
|
case ShaderLanguage::TYPE_MAT4:
|
|
pi.type = Variant::TRANSFORM;
|
|
break;
|
|
case ShaderLanguage::TYPE_SAMPLER2D:
|
|
case ShaderLanguage::TYPE_ISAMPLER2D:
|
|
case ShaderLanguage::TYPE_USAMPLER2D: {
|
|
pi.type = Variant::OBJECT;
|
|
pi.hint = PROPERTY_HINT_RESOURCE_TYPE;
|
|
pi.hint_string = "Texture2D";
|
|
} break;
|
|
case ShaderLanguage::TYPE_SAMPLER2DARRAY:
|
|
case ShaderLanguage::TYPE_ISAMPLER2DARRAY:
|
|
case ShaderLanguage::TYPE_USAMPLER2DARRAY: {
|
|
pi.type = Variant::OBJECT;
|
|
pi.hint = PROPERTY_HINT_RESOURCE_TYPE;
|
|
pi.hint_string = "TextureLayered";
|
|
} break;
|
|
case ShaderLanguage::TYPE_SAMPLER3D:
|
|
case ShaderLanguage::TYPE_ISAMPLER3D:
|
|
case ShaderLanguage::TYPE_USAMPLER3D: {
|
|
pi.type = Variant::OBJECT;
|
|
pi.hint = PROPERTY_HINT_RESOURCE_TYPE;
|
|
pi.hint_string = "Texture3D";
|
|
} break;
|
|
case ShaderLanguage::TYPE_SAMPLERCUBE:
|
|
case ShaderLanguage::TYPE_SAMPLERCUBEARRAY: {
|
|
pi.type = Variant::OBJECT;
|
|
pi.hint = PROPERTY_HINT_RESOURCE_TYPE;
|
|
pi.hint_string = "TextureLayered";
|
|
} break;
|
|
case ShaderLanguage::TYPE_STRUCT: {
|
|
// FIXME: Implement this.
|
|
} break;
|
|
case ShaderLanguage::TYPE_MAX:
|
|
break;
|
|
}
|
|
return pi;
|
|
}
|
|
|
|
uint32_t ShaderLanguage::get_type_size(DataType p_type) {
|
|
switch (p_type) {
|
|
case TYPE_VOID:
|
|
return 0;
|
|
case TYPE_BOOL:
|
|
case TYPE_INT:
|
|
case TYPE_UINT:
|
|
case TYPE_FLOAT:
|
|
return 4;
|
|
case TYPE_BVEC2:
|
|
case TYPE_IVEC2:
|
|
case TYPE_UVEC2:
|
|
case TYPE_VEC2:
|
|
return 8;
|
|
case TYPE_BVEC3:
|
|
case TYPE_IVEC3:
|
|
case TYPE_UVEC3:
|
|
case TYPE_VEC3:
|
|
return 12;
|
|
case TYPE_BVEC4:
|
|
case TYPE_IVEC4:
|
|
case TYPE_UVEC4:
|
|
case TYPE_VEC4:
|
|
return 16;
|
|
case TYPE_MAT2:
|
|
return 8;
|
|
case TYPE_MAT3:
|
|
return 12;
|
|
case TYPE_MAT4:
|
|
return 16;
|
|
case TYPE_SAMPLER2D:
|
|
case TYPE_ISAMPLER2D:
|
|
case TYPE_USAMPLER2D:
|
|
case TYPE_SAMPLER2DARRAY:
|
|
case TYPE_ISAMPLER2DARRAY:
|
|
case TYPE_USAMPLER2DARRAY:
|
|
case TYPE_SAMPLER3D:
|
|
case TYPE_ISAMPLER3D:
|
|
case TYPE_USAMPLER3D:
|
|
case TYPE_SAMPLERCUBE:
|
|
case TYPE_SAMPLERCUBEARRAY:
|
|
return 4; //not really, but useful for indices
|
|
case TYPE_STRUCT:
|
|
// FIXME: Implement.
|
|
return 0;
|
|
case ShaderLanguage::TYPE_MAX:
|
|
return 0;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void ShaderLanguage::get_keyword_list(List<String> *r_keywords) {
|
|
Set<String> kws;
|
|
|
|
int idx = 0;
|
|
|
|
while (keyword_list[idx].text) {
|
|
kws.insert(keyword_list[idx].text);
|
|
idx++;
|
|
}
|
|
|
|
idx = 0;
|
|
|
|
while (builtin_func_defs[idx].name) {
|
|
kws.insert(builtin_func_defs[idx].name);
|
|
|
|
idx++;
|
|
}
|
|
|
|
for (Set<String>::Element *E = kws.front(); E; E = E->next()) {
|
|
r_keywords->push_back(E->get());
|
|
}
|
|
}
|
|
|
|
void ShaderLanguage::get_builtin_funcs(List<String> *r_keywords) {
|
|
Set<String> kws;
|
|
|
|
int idx = 0;
|
|
|
|
while (builtin_func_defs[idx].name) {
|
|
kws.insert(builtin_func_defs[idx].name);
|
|
|
|
idx++;
|
|
}
|
|
|
|
for (Set<String>::Element *E = kws.front(); E; E = E->next()) {
|
|
r_keywords->push_back(E->get());
|
|
}
|
|
}
|
|
|
|
ShaderLanguage::DataType ShaderLanguage::get_scalar_type(DataType p_type) {
|
|
static const DataType scalar_types[] = {
|
|
TYPE_VOID,
|
|
TYPE_BOOL,
|
|
TYPE_BOOL,
|
|
TYPE_BOOL,
|
|
TYPE_BOOL,
|
|
TYPE_INT,
|
|
TYPE_INT,
|
|
TYPE_INT,
|
|
TYPE_INT,
|
|
TYPE_UINT,
|
|
TYPE_UINT,
|
|
TYPE_UINT,
|
|
TYPE_UINT,
|
|
TYPE_FLOAT,
|
|
TYPE_FLOAT,
|
|
TYPE_FLOAT,
|
|
TYPE_FLOAT,
|
|
TYPE_FLOAT,
|
|
TYPE_FLOAT,
|
|
TYPE_FLOAT,
|
|
TYPE_FLOAT,
|
|
TYPE_INT,
|
|
TYPE_UINT,
|
|
TYPE_FLOAT,
|
|
};
|
|
|
|
return scalar_types[p_type];
|
|
}
|
|
|
|
int ShaderLanguage::get_cardinality(DataType p_type) {
|
|
static const int cardinality_table[] = {
|
|
0,
|
|
1,
|
|
2,
|
|
3,
|
|
4,
|
|
1,
|
|
2,
|
|
3,
|
|
4,
|
|
1,
|
|
2,
|
|
3,
|
|
4,
|
|
1,
|
|
2,
|
|
3,
|
|
4,
|
|
4,
|
|
9,
|
|
16,
|
|
1,
|
|
1,
|
|
1,
|
|
1,
|
|
};
|
|
|
|
return cardinality_table[p_type];
|
|
}
|
|
|
|
bool ShaderLanguage::_get_completable_identifier(BlockNode *p_block, CompletionType p_type, StringName &identifier) {
|
|
identifier = StringName();
|
|
|
|
TkPos pos = { 0, 0 };
|
|
|
|
Token tk = _get_token();
|
|
|
|
if (tk.type == TK_IDENTIFIER) {
|
|
identifier = tk.text;
|
|
pos = _get_tkpos();
|
|
tk = _get_token();
|
|
}
|
|
|
|
if (tk.type == TK_CURSOR) {
|
|
completion_type = p_type;
|
|
completion_line = tk_line;
|
|
completion_block = p_block;
|
|
|
|
pos = _get_tkpos();
|
|
tk = _get_token();
|
|
|
|
if (tk.type == TK_IDENTIFIER) {
|
|
identifier = identifier.operator String() + tk.text.operator String();
|
|
} else {
|
|
_set_tkpos(pos);
|
|
}
|
|
return true;
|
|
} else if (identifier != StringName()) {
|
|
_set_tkpos(pos);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool ShaderLanguage::_is_operator_assign(Operator p_op) const {
|
|
switch (p_op) {
|
|
case OP_ASSIGN:
|
|
case OP_ASSIGN_ADD:
|
|
case OP_ASSIGN_SUB:
|
|
case OP_ASSIGN_MUL:
|
|
case OP_ASSIGN_DIV:
|
|
case OP_ASSIGN_MOD:
|
|
case OP_ASSIGN_SHIFT_LEFT:
|
|
case OP_ASSIGN_SHIFT_RIGHT:
|
|
case OP_ASSIGN_BIT_AND:
|
|
case OP_ASSIGN_BIT_OR:
|
|
case OP_ASSIGN_BIT_XOR:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool ShaderLanguage::_validate_assign(Node *p_node, const FunctionInfo &p_function_info, String *r_message) {
|
|
if (p_node->type == Node::TYPE_OPERATOR) {
|
|
OperatorNode *op = static_cast<OperatorNode *>(p_node);
|
|
|
|
if (op->op == OP_INDEX) {
|
|
return _validate_assign(op->arguments[0], p_function_info, r_message);
|
|
|
|
} else if (_is_operator_assign(op->op)) {
|
|
//chained assignment
|
|
return _validate_assign(op->arguments[1], p_function_info, r_message);
|
|
|
|
} else if (op->op == OP_CALL) {
|
|
if (r_message) {
|
|
*r_message = RTR("Assignment to function.");
|
|
}
|
|
return false;
|
|
}
|
|
|
|
} else if (p_node->type == Node::TYPE_MEMBER) {
|
|
MemberNode *member = static_cast<MemberNode *>(p_node);
|
|
|
|
if (member->has_swizzling_duplicates) {
|
|
if (r_message) {
|
|
*r_message = RTR("Swizzling assignment contains duplicates.");
|
|
}
|
|
return false;
|
|
}
|
|
|
|
return _validate_assign(member->owner, p_function_info, r_message);
|
|
|
|
} else if (p_node->type == Node::TYPE_VARIABLE) {
|
|
VariableNode *var = static_cast<VariableNode *>(p_node);
|
|
|
|
if (shader->uniforms.has(var->name)) {
|
|
if (r_message) {
|
|
*r_message = RTR("Assignment to uniform.");
|
|
}
|
|
return false;
|
|
}
|
|
|
|
if (shader->varyings.has(var->name) && current_function != String("vertex")) {
|
|
if (r_message) {
|
|
*r_message = RTR("Varyings can only be assigned in vertex function.");
|
|
}
|
|
return false;
|
|
}
|
|
|
|
if (shader->constants.has(var->name) || var->is_const) {
|
|
if (r_message) {
|
|
*r_message = RTR("Constants cannot be modified.");
|
|
}
|
|
return false;
|
|
}
|
|
|
|
if (!(p_function_info.built_ins.has(var->name) && p_function_info.built_ins[var->name].constant)) {
|
|
return true;
|
|
}
|
|
} else if (p_node->type == Node::TYPE_ARRAY) {
|
|
ArrayNode *arr = static_cast<ArrayNode *>(p_node);
|
|
|
|
if (shader->constants.has(arr->name) || arr->is_const) {
|
|
if (r_message) {
|
|
*r_message = RTR("Constants cannot be modified.");
|
|
}
|
|
return false;
|
|
}
|
|
|
|
if (shader->varyings.has(arr->name) && current_function != String("vertex")) {
|
|
if (r_message) {
|
|
*r_message = RTR("Varyings can only be assigned in vertex function.");
|
|
}
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
if (r_message) {
|
|
*r_message = "Assignment to constant expression.";
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool ShaderLanguage::_propagate_function_call_sampler_uniform_settings(StringName p_name, int p_argument, TextureFilter p_filter, TextureRepeat p_repeat) {
|
|
for (int i = 0; i < shader->functions.size(); i++) {
|
|
if (shader->functions[i].name == p_name) {
|
|
ERR_FAIL_INDEX_V(p_argument, shader->functions[i].function->arguments.size(), false);
|
|
FunctionNode::Argument *arg = &shader->functions[i].function->arguments.write[p_argument];
|
|
if (arg->tex_builtin_check) {
|
|
_set_error("Sampler argument #" + itos(p_argument) + " of function '" + String(p_name) + "' called more than once using both built-ins and uniform textures, this is not supported (use either one or the other).");
|
|
return false;
|
|
} else if (arg->tex_argument_check) {
|
|
//was checked, verify that filter and repeat are the same
|
|
if (arg->tex_argument_filter == p_filter && arg->tex_argument_repeat == p_repeat) {
|
|
return true;
|
|
} else {
|
|
_set_error("Sampler argument #" + itos(p_argument) + " of function '" + String(p_name) + "' called more than once using textures that differ in either filter or repeat setting.");
|
|
return false;
|
|
}
|
|
} else {
|
|
arg->tex_argument_check = true;
|
|
arg->tex_argument_filter = p_filter;
|
|
arg->tex_argument_repeat = p_repeat;
|
|
for (Map<StringName, Set<int>>::Element *E = arg->tex_argument_connect.front(); E; E = E->next()) {
|
|
for (Set<int>::Element *F = E->get().front(); F; F = F->next()) {
|
|
if (!_propagate_function_call_sampler_uniform_settings(E->key(), F->get(), p_filter, p_repeat)) {
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
ERR_FAIL_V(false); //bug? function not found
|
|
}
|
|
|
|
bool ShaderLanguage::_propagate_function_call_sampler_builtin_reference(StringName p_name, int p_argument, const StringName &p_builtin) {
|
|
for (int i = 0; i < shader->functions.size(); i++) {
|
|
if (shader->functions[i].name == p_name) {
|
|
ERR_FAIL_INDEX_V(p_argument, shader->functions[i].function->arguments.size(), false);
|
|
FunctionNode::Argument *arg = &shader->functions[i].function->arguments.write[p_argument];
|
|
if (arg->tex_argument_check) {
|
|
_set_error("Sampler argument #" + itos(p_argument) + " of function '" + String(p_name) + "' called more than once using both built-ins and uniform textures, this is not supported (use either one or the other).");
|
|
return false;
|
|
} else if (arg->tex_builtin_check) {
|
|
//was checked, verify that the built-in is the same
|
|
if (arg->tex_builtin == p_builtin) {
|
|
return true;
|
|
} else {
|
|
_set_error("Sampler argument #" + itos(p_argument) + " of function '" + String(p_name) + "' called more than once using different built-ins. Only calling with the same built-in is supported.");
|
|
return false;
|
|
}
|
|
} else {
|
|
arg->tex_builtin_check = true;
|
|
arg->tex_builtin = p_builtin;
|
|
|
|
for (Map<StringName, Set<int>>::Element *E = arg->tex_argument_connect.front(); E; E = E->next()) {
|
|
for (Set<int>::Element *F = E->get().front(); F; F = F->next()) {
|
|
if (!_propagate_function_call_sampler_builtin_reference(E->key(), F->get(), p_builtin)) {
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
ERR_FAIL_V(false); //bug? function not found
|
|
}
|
|
|
|
ShaderLanguage::Node *ShaderLanguage::_parse_array_constructor(BlockNode *p_block, const FunctionInfo &p_function_info, DataType p_type, const StringName &p_struct_name, int p_array_size) {
|
|
DataType type = TYPE_VOID;
|
|
String struct_name = "";
|
|
int array_size = 0;
|
|
bool auto_size = false;
|
|
Token tk = _get_token();
|
|
|
|
if (tk.type == TK_CURLY_BRACKET_OPEN) {
|
|
auto_size = true;
|
|
} else {
|
|
if (shader->structs.has(tk.text)) {
|
|
type = TYPE_STRUCT;
|
|
struct_name = tk.text;
|
|
} else {
|
|
if (!is_token_variable_datatype(tk.type)) {
|
|
_set_error("Invalid data type for array");
|
|
return nullptr;
|
|
}
|
|
type = get_token_datatype(tk.type);
|
|
}
|
|
tk = _get_token();
|
|
if (tk.type == TK_BRACKET_OPEN) {
|
|
TkPos pos = _get_tkpos();
|
|
tk = _get_token();
|
|
if (tk.type == TK_BRACKET_CLOSE) {
|
|
array_size = p_array_size;
|
|
tk = _get_token();
|
|
} else {
|
|
_set_tkpos(pos);
|
|
|
|
Node *n = _parse_and_reduce_expression(p_block, p_function_info);
|
|
if (!n || n->type != Node::TYPE_CONSTANT || n->get_datatype() != TYPE_INT) {
|
|
_set_error("Expected single integer constant > 0");
|
|
return nullptr;
|
|
}
|
|
|
|
ConstantNode *cnode = (ConstantNode *)n;
|
|
if (cnode->values.size() == 1) {
|
|
array_size = cnode->values[0].sint;
|
|
if (array_size <= 0) {
|
|
_set_error("Expected single integer constant > 0");
|
|
return nullptr;
|
|
}
|
|
} else {
|
|
_set_error("Expected single integer constant > 0");
|
|
return nullptr;
|
|
}
|
|
|
|
tk = _get_token();
|
|
if (tk.type != TK_BRACKET_CLOSE) {
|
|
_set_error("Expected ']'");
|
|
return nullptr;
|
|
} else {
|
|
tk = _get_token();
|
|
}
|
|
}
|
|
} else {
|
|
_set_error("Expected '['");
|
|
return nullptr;
|
|
}
|
|
|
|
if (type != p_type || struct_name != p_struct_name || array_size != p_array_size) {
|
|
String error_str = "Cannot convert from '";
|
|
if (type == TYPE_STRUCT) {
|
|
error_str += struct_name;
|
|
} else {
|
|
error_str += get_datatype_name(type);
|
|
}
|
|
error_str += "[";
|
|
error_str += itos(array_size);
|
|
error_str += "]'";
|
|
error_str += " to '";
|
|
if (type == TYPE_STRUCT) {
|
|
error_str += p_struct_name;
|
|
} else {
|
|
error_str += get_datatype_name(p_type);
|
|
}
|
|
error_str += "[";
|
|
error_str += itos(p_array_size);
|
|
error_str += "]'";
|
|
_set_error(error_str);
|
|
return nullptr;
|
|
}
|
|
}
|
|
|
|
ArrayConstructNode *an = alloc_node<ArrayConstructNode>();
|
|
an->datatype = p_type;
|
|
an->struct_name = p_struct_name;
|
|
|
|
if (tk.type == TK_PARENTHESIS_OPEN || auto_size) { // initialization
|
|
while (true) {
|
|
Node *n = _parse_and_reduce_expression(p_block, p_function_info);
|
|
if (!n) {
|
|
return nullptr;
|
|
}
|
|
|
|
if (p_type != n->get_datatype() || p_struct_name != n->get_datatype_name()) {
|
|
_set_error("Invalid assignment of '" + (n->get_datatype() == TYPE_STRUCT ? n->get_datatype_name() : get_datatype_name(n->get_datatype())) + "' to '" + (type == TYPE_STRUCT ? struct_name : get_datatype_name(type)) + "'");
|
|
return nullptr;
|
|
}
|
|
|
|
tk = _get_token();
|
|
if (tk.type == TK_COMMA) {
|
|
an->initializer.push_back(n);
|
|
} else if (!auto_size && tk.type == TK_PARENTHESIS_CLOSE) {
|
|
an->initializer.push_back(n);
|
|
break;
|
|
} else if (auto_size && tk.type == TK_CURLY_BRACKET_CLOSE) {
|
|
an->initializer.push_back(n);
|
|
break;
|
|
} else {
|
|
if (auto_size) {
|
|
_set_error("Expected '}' or ','");
|
|
} else {
|
|
_set_error("Expected ')' or ','");
|
|
}
|
|
return nullptr;
|
|
}
|
|
}
|
|
if (an->initializer.size() != p_array_size) {
|
|
_set_error("Array size mismatch");
|
|
return nullptr;
|
|
}
|
|
} else {
|
|
_set_error("Expected array initialization!");
|
|
return nullptr;
|
|
}
|
|
|
|
return an;
|
|
}
|
|
|
|
ShaderLanguage::Node *ShaderLanguage::_parse_expression(BlockNode *p_block, const FunctionInfo &p_function_info) {
|
|
Vector<Expression> expression;
|
|
|
|
//Vector<TokenType> operators;
|
|
|
|
while (true) {
|
|
Node *expr = nullptr;
|
|
TkPos prepos = _get_tkpos();
|
|
Token tk = _get_token();
|
|
TkPos pos = _get_tkpos();
|
|
|
|
bool is_const = false;
|
|
|
|
if (tk.type == TK_PARENTHESIS_OPEN) {
|
|
//handle subexpression
|
|
|
|
expr = _parse_and_reduce_expression(p_block, p_function_info);
|
|
if (!expr) {
|
|
return nullptr;
|
|
}
|
|
|
|
tk = _get_token();
|
|
|
|
if (tk.type != TK_PARENTHESIS_CLOSE) {
|
|
_set_error("Expected ')' in expression");
|
|
return nullptr;
|
|
}
|
|
|
|
} else if (tk.type == TK_FLOAT_CONSTANT) {
|
|
ConstantNode *constant = alloc_node<ConstantNode>();
|
|
ConstantNode::Value v;
|
|
v.real = tk.constant;
|
|
constant->values.push_back(v);
|
|
constant->datatype = TYPE_FLOAT;
|
|
expr = constant;
|
|
|
|
} else if (tk.type == TK_INT_CONSTANT) {
|
|
ConstantNode *constant = alloc_node<ConstantNode>();
|
|
ConstantNode::Value v;
|
|
v.sint = tk.constant;
|
|
constant->values.push_back(v);
|
|
constant->datatype = TYPE_INT;
|
|
expr = constant;
|
|
|
|
} else if (tk.type == TK_TRUE) {
|
|
//handle true constant
|
|
ConstantNode *constant = alloc_node<ConstantNode>();
|
|
ConstantNode::Value v;
|
|
v.boolean = true;
|
|
constant->values.push_back(v);
|
|
constant->datatype = TYPE_BOOL;
|
|
expr = constant;
|
|
|
|
} else if (tk.type == TK_FALSE) {
|
|
//handle false constant
|
|
ConstantNode *constant = alloc_node<ConstantNode>();
|
|
ConstantNode::Value v;
|
|
v.boolean = false;
|
|
constant->values.push_back(v);
|
|
constant->datatype = TYPE_BOOL;
|
|
expr = constant;
|
|
|
|
} else if (tk.type == TK_TYPE_VOID) {
|
|
//make sure void is not used in expression
|
|
_set_error("Void value not allowed in Expression");
|
|
return nullptr;
|
|
} else if (is_token_nonvoid_datatype(tk.type)) {
|
|
//basic type constructor
|
|
|
|
OperatorNode *func = alloc_node<OperatorNode>();
|
|
func->op = OP_CONSTRUCT;
|
|
|
|
if (is_token_precision(tk.type)) {
|
|
func->return_precision_cache = get_token_precision(tk.type);
|
|
tk = _get_token();
|
|
}
|
|
|
|
VariableNode *funcname = alloc_node<VariableNode>();
|
|
funcname->name = get_datatype_name(get_token_datatype(tk.type));
|
|
func->arguments.push_back(funcname);
|
|
|
|
tk = _get_token();
|
|
if (tk.type != TK_PARENTHESIS_OPEN) {
|
|
_set_error("Expected '(' after type name");
|
|
return nullptr;
|
|
}
|
|
|
|
int carg = -1;
|
|
|
|
bool ok = _parse_function_arguments(p_block, p_function_info, func, &carg);
|
|
|
|
if (carg >= 0) {
|
|
completion_type = COMPLETION_CALL_ARGUMENTS;
|
|
completion_line = tk_line;
|
|
completion_block = p_block;
|
|
completion_function = funcname->name;
|
|
completion_argument = carg;
|
|
}
|
|
|
|
if (!ok) {
|
|
return nullptr;
|
|
}
|
|
|
|
if (!_validate_function_call(p_block, p_function_info, func, &func->return_cache, &func->struct_name)) {
|
|
_set_error("No matching constructor found for: '" + String(funcname->name) + "'");
|
|
return nullptr;
|
|
}
|
|
|
|
expr = _reduce_expression(p_block, func);
|
|
|
|
} else if (tk.type == TK_IDENTIFIER) {
|
|
_set_tkpos(prepos);
|
|
|
|
StringName identifier;
|
|
|
|
StructNode *pstruct = nullptr;
|
|
bool struct_init = false;
|
|
|
|
_get_completable_identifier(p_block, COMPLETION_IDENTIFIER, identifier);
|
|
|
|
if (shader->structs.has(identifier)) {
|
|
pstruct = shader->structs[identifier].shader_struct;
|
|
struct_init = true;
|
|
}
|
|
|
|
tk = _get_token();
|
|
if (tk.type == TK_PARENTHESIS_OPEN) {
|
|
if (struct_init) { //a struct constructor
|
|
|
|
const StringName &name = identifier;
|
|
|
|
OperatorNode *func = alloc_node<OperatorNode>();
|
|
func->op = OP_STRUCT;
|
|
func->struct_name = name;
|
|
func->return_cache = TYPE_STRUCT;
|
|
VariableNode *funcname = alloc_node<VariableNode>();
|
|
funcname->name = name;
|
|
func->arguments.push_back(funcname);
|
|
|
|
for (int i = 0; i < pstruct->members.size(); i++) {
|
|
Node *nexpr;
|
|
|
|
if (pstruct->members[i]->array_size != 0) {
|
|
nexpr = _parse_array_constructor(p_block, p_function_info, pstruct->members[i]->get_datatype(), pstruct->members[i]->struct_name, pstruct->members[i]->array_size);
|
|
if (!nexpr) {
|
|
return nullptr;
|
|
}
|
|
} else {
|
|
nexpr = _parse_and_reduce_expression(p_block, p_function_info);
|
|
if (!nexpr) {
|
|
return nullptr;
|
|
}
|
|
Node *node = pstruct->members[i];
|
|
if (!_compare_datatypes_in_nodes(pstruct->members[i], nexpr)) {
|
|
String type_name = nexpr->get_datatype() == TYPE_STRUCT ? nexpr->get_datatype_name() : get_datatype_name(nexpr->get_datatype());
|
|
String type_name2 = node->get_datatype() == TYPE_STRUCT ? node->get_datatype_name() : get_datatype_name(node->get_datatype());
|
|
_set_error("Invalid assignment of '" + type_name + "' to '" + type_name2 + "'");
|
|
return nullptr;
|
|
}
|
|
}
|
|
|
|
if (i + 1 < pstruct->members.size()) {
|
|
tk = _get_token();
|
|
if (tk.type != TK_COMMA) {
|
|
_set_error("Expected ','");
|
|
return nullptr;
|
|
}
|
|
}
|
|
func->arguments.push_back(nexpr);
|
|
}
|
|
tk = _get_token();
|
|
if (tk.type != TK_PARENTHESIS_CLOSE) {
|
|
_set_error("Expected ')'");
|
|
return nullptr;
|
|
}
|
|
|
|
expr = func;
|
|
|
|
} else { //a function
|
|
|
|
const StringName &name = identifier;
|
|
|
|
OperatorNode *func = alloc_node<OperatorNode>();
|
|
func->op = OP_CALL;
|
|
VariableNode *funcname = alloc_node<VariableNode>();
|
|
funcname->name = name;
|
|
func->arguments.push_back(funcname);
|
|
|
|
int carg = -1;
|
|
|
|
bool ok = _parse_function_arguments(p_block, p_function_info, func, &carg);
|
|
|
|
// Check if block has a variable with the same name as function to prevent shader crash.
|
|
ShaderLanguage::BlockNode *bnode = p_block;
|
|
while (bnode) {
|
|
if (bnode->variables.has(name)) {
|
|
_set_error("Expected function name");
|
|
return nullptr;
|
|
}
|
|
bnode = bnode->parent_block;
|
|
}
|
|
|
|
//test if function was parsed first
|
|
int function_index = -1;
|
|
for (int i = 0; i < shader->functions.size(); i++) {
|
|
if (shader->functions[i].name == name) {
|
|
//add to current function as dependency
|
|
for (int j = 0; j < shader->functions.size(); j++) {
|
|
if (shader->functions[j].name == current_function) {
|
|
shader->functions.write[j].uses_function.insert(name);
|
|
break;
|
|
}
|
|
}
|
|
|
|
//see if texture arguments must connect
|
|
function_index = i;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (carg >= 0) {
|
|
completion_type = COMPLETION_CALL_ARGUMENTS;
|
|
completion_line = tk_line;
|
|
completion_block = p_block;
|
|
completion_function = funcname->name;
|
|
completion_argument = carg;
|
|
}
|
|
|
|
if (!ok) {
|
|
return nullptr;
|
|
}
|
|
|
|
if (!_validate_function_call(p_block, p_function_info, func, &func->return_cache, &func->struct_name)) {
|
|
_set_error("No matching function found for: '" + String(funcname->name) + "'");
|
|
return nullptr;
|
|
}
|
|
completion_class = TAG_GLOBAL; // reset sub-class
|
|
if (function_index >= 0) {
|
|
//connect texture arguments, so we can cache in the
|
|
//argument what type of filter and repeat to use
|
|
|
|
FunctionNode *call_function = shader->functions[function_index].function;
|
|
if (call_function) {
|
|
//get current base function
|
|
FunctionNode *base_function = nullptr;
|
|
{
|
|
BlockNode *b = p_block;
|
|
|
|
while (b) {
|
|
if (b->parent_function) {
|
|
base_function = b->parent_function;
|
|
break;
|
|
} else {
|
|
b = b->parent_block;
|
|
}
|
|
}
|
|
}
|
|
|
|
ERR_FAIL_COND_V(!base_function, nullptr); //bug, wtf
|
|
|
|
for (int i = 0; i < call_function->arguments.size(); i++) {
|
|
int argidx = i + 1;
|
|
if (argidx < func->arguments.size()) {
|
|
if (call_function->arguments[i].is_const || call_function->arguments[i].qualifier == ArgumentQualifier::ARGUMENT_QUALIFIER_OUT || call_function->arguments[i].qualifier == ArgumentQualifier::ARGUMENT_QUALIFIER_INOUT) {
|
|
bool error = false;
|
|
Node *n = func->arguments[argidx];
|
|
if (n->type == Node::TYPE_CONSTANT || n->type == Node::TYPE_OPERATOR) {
|
|
error = true;
|
|
} else if (n->type == Node::TYPE_ARRAY) {
|
|
ArrayNode *an = static_cast<ArrayNode *>(n);
|
|
if (an->call_expression != nullptr || an->is_const) {
|
|
error = true;
|
|
}
|
|
} else if (n->type == Node::TYPE_VARIABLE) {
|
|
VariableNode *vn = static_cast<VariableNode *>(n);
|
|
if (vn->is_const) {
|
|
error = true;
|
|
} else {
|
|
StringName varname = vn->name;
|
|
if (shader->constants.has(varname)) {
|
|
error = true;
|
|
} else if (shader->uniforms.has(varname)) {
|
|
error = true;
|
|
} else {
|
|
if (p_function_info.built_ins.has(varname)) {
|
|
BuiltInInfo info = p_function_info.built_ins[varname];
|
|
if (info.constant) {
|
|
error = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} else if (n->type == Node::TYPE_MEMBER) {
|
|
MemberNode *mn = static_cast<MemberNode *>(n);
|
|
if (mn->basetype_const) {
|
|
error = true;
|
|
}
|
|
}
|
|
if (error) {
|
|
_set_error(vformat("Constant value cannot be passed for '%s' parameter!", _get_qualifier_str(call_function->arguments[i].qualifier)));
|
|
return nullptr;
|
|
}
|
|
}
|
|
if (is_sampler_type(call_function->arguments[i].type)) {
|
|
//let's see where our argument comes from
|
|
Node *n = func->arguments[argidx];
|
|
ERR_CONTINUE(n->type != Node::TYPE_VARIABLE); //bug? this should always be a variable
|
|
VariableNode *vn = static_cast<VariableNode *>(n);
|
|
StringName varname = vn->name;
|
|
if (shader->uniforms.has(varname)) {
|
|
//being sampler, this either comes from a uniform
|
|
ShaderNode::Uniform *u = &shader->uniforms[varname];
|
|
ERR_CONTINUE(u->type != call_function->arguments[i].type); //this should have been validated previously
|
|
//propagate
|
|
if (!_propagate_function_call_sampler_uniform_settings(name, i, u->filter, u->repeat)) {
|
|
return nullptr;
|
|
}
|
|
} else if (p_function_info.built_ins.has(varname)) {
|
|
//a built-in
|
|
if (!_propagate_function_call_sampler_builtin_reference(name, i, varname)) {
|
|
return nullptr;
|
|
}
|
|
} else {
|
|
//or this comes from an argument, but nothing else can be a sampler
|
|
bool found = false;
|
|
for (int j = 0; j < base_function->arguments.size(); j++) {
|
|
if (base_function->arguments[j].name == varname) {
|
|
if (!base_function->arguments[j].tex_argument_connect.has(call_function->name)) {
|
|
base_function->arguments.write[j].tex_argument_connect[call_function->name] = Set<int>();
|
|
}
|
|
base_function->arguments.write[j].tex_argument_connect[call_function->name].insert(i);
|
|
found = true;
|
|
break;
|
|
}
|
|
}
|
|
ERR_CONTINUE(!found);
|
|
}
|
|
}
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
expr = func;
|
|
}
|
|
} else {
|
|
//an identifier
|
|
|
|
last_const = false;
|
|
_set_tkpos(pos);
|
|
|
|
DataType data_type;
|
|
IdentifierType ident_type;
|
|
int array_size = 0;
|
|
StringName struct_name;
|
|
|
|
if (p_block && p_block->block_tag != SubClassTag::TAG_GLOBAL) {
|
|
int idx = 0;
|
|
bool found = false;
|
|
|
|
while (builtin_func_defs[idx].name) {
|
|
if (builtin_func_defs[idx].tag == p_block->block_tag && builtin_func_defs[idx].name == identifier) {
|
|
found = true;
|
|
break;
|
|
}
|
|
idx++;
|
|
}
|
|
if (!found) {
|
|
_set_error("Unknown identifier in expression: " + String(identifier));
|
|
return nullptr;
|
|
}
|
|
} else {
|
|
if (!_find_identifier(p_block, false, p_function_info, identifier, &data_type, &ident_type, &is_const, &array_size, &struct_name)) {
|
|
_set_error("Unknown identifier in expression: " + String(identifier));
|
|
return nullptr;
|
|
}
|
|
last_const = is_const;
|
|
|
|
if (ident_type == IDENTIFIER_FUNCTION) {
|
|
_set_error("Can't use function as identifier: " + String(identifier));
|
|
return nullptr;
|
|
}
|
|
}
|
|
|
|
Node *index_expression = nullptr;
|
|
Node *call_expression = nullptr;
|
|
Node *assign_expression = nullptr;
|
|
|
|
if (array_size > 0) {
|
|
tk = _get_token();
|
|
|
|
if (tk.type != TK_BRACKET_OPEN && tk.type != TK_PERIOD && tk.type != TK_OP_ASSIGN) {
|
|
_set_error("Expected '[','.' or '='");
|
|
return nullptr;
|
|
}
|
|
|
|
if (tk.type == TK_OP_ASSIGN) {
|
|
if (is_const) {
|
|
_set_error("Constants cannot be modified.");
|
|
return nullptr;
|
|
}
|
|
if (shader->varyings.has(identifier) && current_function != String("vertex")) {
|
|
_set_error("Varyings can only be assigned in vertex function.");
|
|
return nullptr;
|
|
}
|
|
assign_expression = _parse_array_constructor(p_block, p_function_info, data_type, struct_name, array_size);
|
|
if (!assign_expression) {
|
|
return nullptr;
|
|
}
|
|
} else if (tk.type == TK_PERIOD) {
|
|
completion_class = TAG_ARRAY;
|
|
p_block->block_tag = SubClassTag::TAG_ARRAY;
|
|
call_expression = _parse_and_reduce_expression(p_block, p_function_info);
|
|
p_block->block_tag = SubClassTag::TAG_GLOBAL;
|
|
if (!call_expression) {
|
|
return nullptr;
|
|
}
|
|
data_type = call_expression->get_datatype();
|
|
} else { // indexing
|
|
|
|
index_expression = _parse_and_reduce_expression(p_block, p_function_info);
|
|
if (!index_expression) {
|
|
return nullptr;
|
|
}
|
|
|
|
if (index_expression->get_datatype() != TYPE_INT && index_expression->get_datatype() != TYPE_UINT) {
|
|
_set_error("Only integer expressions are allowed for indexing");
|
|
return nullptr;
|
|
}
|
|
|
|
if (index_expression->type == Node::TYPE_CONSTANT) {
|
|
ConstantNode *cnode = (ConstantNode *)index_expression;
|
|
if (cnode) {
|
|
if (!cnode->values.is_empty()) {
|
|
int value = cnode->values[0].sint;
|
|
if (value < 0 || value >= array_size) {
|
|
_set_error(vformat("Index [%s] out of range [%s..%s]", value, 0, array_size - 1));
|
|
return nullptr;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
tk = _get_token();
|
|
if (tk.type != TK_BRACKET_CLOSE) {
|
|
_set_error("Expected ']'");
|
|
return nullptr;
|
|
}
|
|
}
|
|
|
|
ArrayNode *arrname = alloc_node<ArrayNode>();
|
|
arrname->name = identifier;
|
|
arrname->datatype_cache = data_type;
|
|
arrname->struct_name = struct_name;
|
|
arrname->index_expression = index_expression;
|
|
arrname->call_expression = call_expression;
|
|
arrname->assign_expression = assign_expression;
|
|
arrname->is_const = is_const;
|
|
expr = arrname;
|
|
|
|
} else {
|
|
VariableNode *varname = alloc_node<VariableNode>();
|
|
varname->name = identifier;
|
|
varname->datatype_cache = data_type;
|
|
varname->is_const = is_const;
|
|
varname->struct_name = struct_name;
|
|
expr = varname;
|
|
}
|
|
}
|
|
} else if (tk.type == TK_OP_ADD) {
|
|
continue; //this one does nothing
|
|
} else if (tk.type == TK_OP_SUB || tk.type == TK_OP_NOT || tk.type == TK_OP_BIT_INVERT || tk.type == TK_OP_INCREMENT || tk.type == TK_OP_DECREMENT) {
|
|
Expression e;
|
|
e.is_op = true;
|
|
|
|
switch (tk.type) {
|
|
case TK_OP_SUB:
|
|
e.op = OP_NEGATE;
|
|
break;
|
|
case TK_OP_NOT:
|
|
e.op = OP_NOT;
|
|
break;
|
|
case TK_OP_BIT_INVERT:
|
|
e.op = OP_BIT_INVERT;
|
|
break;
|
|
case TK_OP_INCREMENT:
|
|
e.op = OP_INCREMENT;
|
|
break;
|
|
case TK_OP_DECREMENT:
|
|
e.op = OP_DECREMENT;
|
|
break;
|
|
default:
|
|
ERR_FAIL_V(nullptr);
|
|
}
|
|
|
|
expression.push_back(e);
|
|
continue;
|
|
} else {
|
|
_set_error("Expected expression, found: " + get_token_text(tk));
|
|
return nullptr;
|
|
//nothing
|
|
}
|
|
|
|
ERR_FAIL_COND_V(!expr, nullptr);
|
|
|
|
/* OK now see what's NEXT to the operator.. */
|
|
/* OK now see what's NEXT to the operator.. */
|
|
/* OK now see what's NEXT to the operator.. */
|
|
|
|
while (true) {
|
|
TkPos pos2 = _get_tkpos();
|
|
tk = _get_token();
|
|
|
|
if (tk.type == TK_CURSOR) {
|
|
//do nothing
|
|
} else if (tk.type == TK_IDENTIFIER) {
|
|
} else if (tk.type == TK_PERIOD) {
|
|
DataType dt = expr->get_datatype();
|
|
String st = expr->get_datatype_name();
|
|
|
|
StringName identifier;
|
|
if (_get_completable_identifier(p_block, dt == TYPE_STRUCT ? COMPLETION_STRUCT : COMPLETION_INDEX, identifier)) {
|
|
if (dt == TYPE_STRUCT) {
|
|
completion_struct = st;
|
|
} else {
|
|
completion_base = dt;
|
|
}
|
|
}
|
|
|
|
if (identifier == StringName()) {
|
|
_set_error("Expected identifier as member");
|
|
return nullptr;
|
|
}
|
|
String ident = identifier;
|
|
|
|
bool ok = true;
|
|
bool repeated = false;
|
|
DataType member_type = TYPE_VOID;
|
|
StringName member_struct_name = "";
|
|
int array_size = 0;
|
|
|
|
Set<char> position_symbols;
|
|
Set<char> color_symbols;
|
|
Set<char> texture_symbols;
|
|
|
|
bool mix_error = false;
|
|
|
|
switch (dt) {
|
|
case TYPE_STRUCT: {
|
|
ok = false;
|
|
String member_name = String(ident.ptr());
|
|
if (shader->structs.has(st)) {
|
|
StructNode *n = shader->structs[st].shader_struct;
|
|
for (List<MemberNode *>::Element *E = n->members.front(); E; E = E->next()) {
|
|
if (String(E->get()->name) == member_name) {
|
|
member_type = E->get()->datatype;
|
|
array_size = E->get()->array_size;
|
|
if (member_type == TYPE_STRUCT) {
|
|
member_struct_name = E->get()->struct_name;
|
|
}
|
|
ok = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
} break;
|
|
case TYPE_BVEC2:
|
|
case TYPE_IVEC2:
|
|
case TYPE_UVEC2:
|
|
case TYPE_VEC2: {
|
|
int l = ident.length();
|
|
if (l == 1) {
|
|
member_type = DataType(dt - 1);
|
|
} else if (l == 2) {
|
|
member_type = dt;
|
|
} else if (l == 3) {
|
|
member_type = DataType(dt + 1);
|
|
} else if (l == 4) {
|
|
member_type = DataType(dt + 2);
|
|
} else {
|
|
ok = false;
|
|
break;
|
|
}
|
|
|
|
const char32_t *c = ident.ptr();
|
|
for (int i = 0; i < l; i++) {
|
|
switch (c[i]) {
|
|
case 'r':
|
|
case 'g':
|
|
if (position_symbols.size() > 0 || texture_symbols.size() > 0) {
|
|
mix_error = true;
|
|
break;
|
|
}
|
|
if (!color_symbols.has(c[i])) {
|
|
color_symbols.insert(c[i]);
|
|
} else {
|
|
repeated = true;
|
|
}
|
|
break;
|
|
case 'x':
|
|
case 'y':
|
|
if (color_symbols.size() > 0 || texture_symbols.size() > 0) {
|
|
mix_error = true;
|
|
break;
|
|
}
|
|
if (!position_symbols.has(c[i])) {
|
|
position_symbols.insert(c[i]);
|
|
} else {
|
|
repeated = true;
|
|
}
|
|
break;
|
|
case 's':
|
|
case 't':
|
|
if (color_symbols.size() > 0 || position_symbols.size() > 0) {
|
|
mix_error = true;
|
|
break;
|
|
}
|
|
if (!texture_symbols.has(c[i])) {
|
|
texture_symbols.insert(c[i]);
|
|
} else {
|
|
repeated = true;
|
|
}
|
|
break;
|
|
default:
|
|
ok = false;
|
|
break;
|
|
}
|
|
}
|
|
|
|
} break;
|
|
case TYPE_BVEC3:
|
|
case TYPE_IVEC3:
|
|
case TYPE_UVEC3:
|
|
case TYPE_VEC3: {
|
|
int l = ident.length();
|
|
if (l == 1) {
|
|
member_type = DataType(dt - 2);
|
|
} else if (l == 2) {
|
|
member_type = DataType(dt - 1);
|
|
} else if (l == 3) {
|
|
member_type = dt;
|
|
} else if (l == 4) {
|
|
member_type = DataType(dt + 1);
|
|
} else {
|
|
ok = false;
|
|
break;
|
|
}
|
|
|
|
const char32_t *c = ident.ptr();
|
|
for (int i = 0; i < l; i++) {
|
|
switch (c[i]) {
|
|
case 'r':
|
|
case 'g':
|
|
case 'b':
|
|
if (position_symbols.size() > 0 || texture_symbols.size() > 0) {
|
|
mix_error = true;
|
|
break;
|
|
}
|
|
if (!color_symbols.has(c[i])) {
|
|
color_symbols.insert(c[i]);
|
|
} else {
|
|
repeated = true;
|
|
}
|
|
break;
|
|
case 'x':
|
|
case 'y':
|
|
case 'z':
|
|
if (color_symbols.size() > 0 || texture_symbols.size() > 0) {
|
|
mix_error = true;
|
|
break;
|
|
}
|
|
if (!position_symbols.has(c[i])) {
|
|
position_symbols.insert(c[i]);
|
|
} else {
|
|
repeated = true;
|
|
}
|
|
break;
|
|
case 's':
|
|
case 't':
|
|
case 'p':
|
|
if (color_symbols.size() > 0 || position_symbols.size() > 0) {
|
|
mix_error = true;
|
|
break;
|
|
}
|
|
if (!texture_symbols.has(c[i])) {
|
|
texture_symbols.insert(c[i]);
|
|
} else {
|
|
repeated = true;
|
|
}
|
|
break;
|
|
default:
|
|
ok = false;
|
|
break;
|
|
}
|
|
}
|
|
|
|
} break;
|
|
case TYPE_BVEC4:
|
|
case TYPE_IVEC4:
|
|
case TYPE_UVEC4:
|
|
case TYPE_VEC4: {
|
|
int l = ident.length();
|
|
if (l == 1) {
|
|
member_type = DataType(dt - 3);
|
|
} else if (l == 2) {
|
|
member_type = DataType(dt - 2);
|
|
} else if (l == 3) {
|
|
member_type = DataType(dt - 1);
|
|
} else if (l == 4) {
|
|
member_type = dt;
|
|
} else {
|
|
ok = false;
|
|
break;
|
|
}
|
|
|
|
const char32_t *c = ident.ptr();
|
|
for (int i = 0; i < l; i++) {
|
|
switch (c[i]) {
|
|
case 'r':
|
|
case 'g':
|
|
case 'b':
|
|
case 'a':
|
|
if (position_symbols.size() > 0 || texture_symbols.size() > 0) {
|
|
mix_error = true;
|
|
break;
|
|
}
|
|
if (!color_symbols.has(c[i])) {
|
|
color_symbols.insert(c[i]);
|
|
} else {
|
|
repeated = true;
|
|
}
|
|
break;
|
|
case 'x':
|
|
case 'y':
|
|
case 'z':
|
|
case 'w':
|
|
if (color_symbols.size() > 0 || texture_symbols.size() > 0) {
|
|
mix_error = true;
|
|
break;
|
|
}
|
|
if (!position_symbols.has(c[i])) {
|
|
position_symbols.insert(c[i]);
|
|
} else {
|
|
repeated = true;
|
|
}
|
|
break;
|
|
case 's':
|
|
case 't':
|
|
case 'p':
|
|
case 'q':
|
|
if (color_symbols.size() > 0 || position_symbols.size() > 0) {
|
|
mix_error = true;
|
|
break;
|
|
}
|
|
if (!texture_symbols.has(c[i])) {
|
|
texture_symbols.insert(c[i]);
|
|
} else {
|
|
repeated = true;
|
|
}
|
|
break;
|
|
default:
|
|
ok = false;
|
|
break;
|
|
}
|
|
}
|
|
|
|
} break;
|
|
|
|
default: {
|
|
ok = false;
|
|
}
|
|
}
|
|
|
|
if (mix_error) {
|
|
_set_error("Cannot combine symbols from different sets in expression ." + ident);
|
|
return nullptr;
|
|
}
|
|
|
|
if (!ok) {
|
|
_set_error("Invalid member for " + (dt == TYPE_STRUCT ? st : get_datatype_name(dt)) + " expression: ." + ident);
|
|
return nullptr;
|
|
}
|
|
|
|
MemberNode *mn = alloc_node<MemberNode>();
|
|
mn->basetype = dt;
|
|
mn->basetype_const = is_const;
|
|
mn->datatype = member_type;
|
|
mn->base_struct_name = st;
|
|
mn->struct_name = member_struct_name;
|
|
mn->array_size = array_size;
|
|
mn->name = ident;
|
|
mn->owner = expr;
|
|
mn->has_swizzling_duplicates = repeated;
|
|
|
|
if (array_size > 0) {
|
|
tk = _get_token();
|
|
if (tk.type == TK_OP_ASSIGN) {
|
|
if (last_const) {
|
|
last_const = false;
|
|
_set_error("Constants cannot be modified.");
|
|
return nullptr;
|
|
}
|
|
Node *assign_expression = _parse_array_constructor(p_block, p_function_info, member_type, member_struct_name, array_size);
|
|
if (!assign_expression) {
|
|
return nullptr;
|
|
}
|
|
mn->assign_expression = assign_expression;
|
|
} else if (tk.type == TK_PERIOD) {
|
|
_set_error("Nested array length() is not yet implemented");
|
|
return nullptr;
|
|
} else if (tk.type == TK_BRACKET_OPEN) {
|
|
Node *index_expression = _parse_and_reduce_expression(p_block, p_function_info);
|
|
if (!index_expression) {
|
|
return nullptr;
|
|
}
|
|
|
|
if (index_expression->get_datatype() != TYPE_INT && index_expression->get_datatype() != TYPE_UINT) {
|
|
_set_error("Only integer expressions are allowed for indexing");
|
|
return nullptr;
|
|
}
|
|
|
|
if (index_expression->type == Node::TYPE_CONSTANT) {
|
|
ConstantNode *cnode = (ConstantNode *)index_expression;
|
|
if (cnode) {
|
|
if (!cnode->values.is_empty()) {
|
|
int value = cnode->values[0].sint;
|
|
if (value < 0 || value >= array_size) {
|
|
_set_error(vformat("Index [%s] out of range [%s..%s]", value, 0, array_size - 1));
|
|
return nullptr;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
tk = _get_token();
|
|
if (tk.type != TK_BRACKET_CLOSE) {
|
|
_set_error("Expected ']'");
|
|
return nullptr;
|
|
}
|
|
mn->index_expression = index_expression;
|
|
|
|
} else {
|
|
_set_error("Expected '[','.' or '='");
|
|
return nullptr;
|
|
}
|
|
}
|
|
|
|
expr = mn;
|
|
|
|
//todo
|
|
//member (period) has priority over any operator
|
|
//creates a subindexing expression in place
|
|
|
|
/*} else if (tk.type==TK_BRACKET_OPEN) {
|
|
//todo
|
|
//subindexing has priority over any operator
|
|
//creates a subindexing expression in place
|
|
|
|
*/
|
|
} else if (tk.type == TK_BRACKET_OPEN) {
|
|
Node *index = _parse_and_reduce_expression(p_block, p_function_info);
|
|
if (!index) {
|
|
return nullptr;
|
|
}
|
|
|
|
if (index->get_datatype() != TYPE_INT && index->get_datatype() != TYPE_UINT) {
|
|
_set_error("Only integer datatypes are allowed for indexing");
|
|
return nullptr;
|
|
}
|
|
|
|
DataType member_type = TYPE_VOID;
|
|
|
|
switch (expr->get_datatype()) {
|
|
case TYPE_BVEC2:
|
|
case TYPE_VEC2:
|
|
case TYPE_IVEC2:
|
|
case TYPE_UVEC2:
|
|
case TYPE_MAT2:
|
|
if (index->type == Node::TYPE_CONSTANT) {
|
|
uint32_t index_constant = static_cast<ConstantNode *>(index)->values[0].uint;
|
|
if (index_constant >= 2) {
|
|
_set_error("Index out of range (0-1)");
|
|
return nullptr;
|
|
}
|
|
}
|
|
|
|
switch (expr->get_datatype()) {
|
|
case TYPE_BVEC2:
|
|
member_type = TYPE_BOOL;
|
|
break;
|
|
case TYPE_VEC2:
|
|
member_type = TYPE_FLOAT;
|
|
break;
|
|
case TYPE_IVEC2:
|
|
member_type = TYPE_INT;
|
|
break;
|
|
case TYPE_UVEC2:
|
|
member_type = TYPE_UINT;
|
|
break;
|
|
case TYPE_MAT2:
|
|
member_type = TYPE_VEC2;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
break;
|
|
case TYPE_BVEC3:
|
|
case TYPE_VEC3:
|
|
case TYPE_IVEC3:
|
|
case TYPE_UVEC3:
|
|
case TYPE_MAT3:
|
|
if (index->type == Node::TYPE_CONSTANT) {
|
|
uint32_t index_constant = static_cast<ConstantNode *>(index)->values[0].uint;
|
|
if (index_constant >= 3) {
|
|
_set_error("Index out of range (0-2)");
|
|
return nullptr;
|
|
}
|
|
}
|
|
|
|
switch (expr->get_datatype()) {
|
|
case TYPE_BVEC3:
|
|
member_type = TYPE_BOOL;
|
|
break;
|
|
case TYPE_VEC3:
|
|
member_type = TYPE_FLOAT;
|
|
break;
|
|
case TYPE_IVEC3:
|
|
member_type = TYPE_INT;
|
|
break;
|
|
case TYPE_UVEC3:
|
|
member_type = TYPE_UINT;
|
|
break;
|
|
case TYPE_MAT3:
|
|
member_type = TYPE_VEC3;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
case TYPE_BVEC4:
|
|
case TYPE_VEC4:
|
|
case TYPE_IVEC4:
|
|
case TYPE_UVEC4:
|
|
case TYPE_MAT4:
|
|
if (index->type == Node::TYPE_CONSTANT) {
|
|
uint32_t index_constant = static_cast<ConstantNode *>(index)->values[0].uint;
|
|
if (index_constant >= 4) {
|
|
_set_error("Index out of range (0-3)");
|
|
return nullptr;
|
|
}
|
|
}
|
|
|
|
switch (expr->get_datatype()) {
|
|
case TYPE_BVEC4:
|
|
member_type = TYPE_BOOL;
|
|
break;
|
|
case TYPE_VEC4:
|
|
member_type = TYPE_FLOAT;
|
|
break;
|
|
case TYPE_IVEC4:
|
|
member_type = TYPE_INT;
|
|
break;
|
|
case TYPE_UVEC4:
|
|
member_type = TYPE_UINT;
|
|
break;
|
|
case TYPE_MAT4:
|
|
member_type = TYPE_VEC4;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
default: {
|
|
_set_error("Object of type '" + (expr->get_datatype() == TYPE_STRUCT ? expr->get_datatype_name() : get_datatype_name(expr->get_datatype())) + "' can't be indexed");
|
|
return nullptr;
|
|
}
|
|
}
|
|
|
|
OperatorNode *op = alloc_node<OperatorNode>();
|
|
op->op = OP_INDEX;
|
|
op->return_cache = member_type;
|
|
op->arguments.push_back(expr);
|
|
op->arguments.push_back(index);
|
|
expr = op;
|
|
|
|
tk = _get_token();
|
|
if (tk.type != TK_BRACKET_CLOSE) {
|
|
_set_error("Expected ']' after indexing expression");
|
|
return nullptr;
|
|
}
|
|
|
|
} else if (tk.type == TK_OP_INCREMENT || tk.type == TK_OP_DECREMENT) {
|
|
OperatorNode *op = alloc_node<OperatorNode>();
|
|
op->op = tk.type == TK_OP_DECREMENT ? OP_POST_DECREMENT : OP_POST_INCREMENT;
|
|
op->arguments.push_back(expr);
|
|
|
|
if (!_validate_operator(op, &op->return_cache)) {
|
|
_set_error("Invalid base type for increment/decrement operator");
|
|
return nullptr;
|
|
}
|
|
|
|
if (!_validate_assign(expr, p_function_info)) {
|
|
_set_error("Invalid use of increment/decrement operator in constant expression.");
|
|
return nullptr;
|
|
}
|
|
expr = op;
|
|
} else {
|
|
_set_tkpos(pos2);
|
|
break;
|
|
}
|
|
}
|
|
|
|
Expression e;
|
|
e.is_op = false;
|
|
e.node = expr;
|
|
expression.push_back(e);
|
|
|
|
pos = _get_tkpos();
|
|
tk = _get_token();
|
|
|
|
if (is_token_operator(tk.type)) {
|
|
Expression o;
|
|
o.is_op = true;
|
|
|
|
switch (tk.type) {
|
|
case TK_OP_EQUAL:
|
|
o.op = OP_EQUAL;
|
|
break;
|
|
case TK_OP_NOT_EQUAL:
|
|
o.op = OP_NOT_EQUAL;
|
|
break;
|
|
case TK_OP_LESS:
|
|
o.op = OP_LESS;
|
|
break;
|
|
case TK_OP_LESS_EQUAL:
|
|
o.op = OP_LESS_EQUAL;
|
|
break;
|
|
case TK_OP_GREATER:
|
|
o.op = OP_GREATER;
|
|
break;
|
|
case TK_OP_GREATER_EQUAL:
|
|
o.op = OP_GREATER_EQUAL;
|
|
break;
|
|
case TK_OP_AND:
|
|
o.op = OP_AND;
|
|
break;
|
|
case TK_OP_OR:
|
|
o.op = OP_OR;
|
|
break;
|
|
case TK_OP_ADD:
|
|
o.op = OP_ADD;
|
|
break;
|
|
case TK_OP_SUB:
|
|
o.op = OP_SUB;
|
|
break;
|
|
case TK_OP_MUL:
|
|
o.op = OP_MUL;
|
|
break;
|
|
case TK_OP_DIV:
|
|
o.op = OP_DIV;
|
|
break;
|
|
case TK_OP_MOD:
|
|
o.op = OP_MOD;
|
|
break;
|
|
case TK_OP_SHIFT_LEFT:
|
|
o.op = OP_SHIFT_LEFT;
|
|
break;
|
|
case TK_OP_SHIFT_RIGHT:
|
|
o.op = OP_SHIFT_RIGHT;
|
|
break;
|
|
case TK_OP_ASSIGN:
|
|
o.op = OP_ASSIGN;
|
|
break;
|
|
case TK_OP_ASSIGN_ADD:
|
|
o.op = OP_ASSIGN_ADD;
|
|
break;
|
|
case TK_OP_ASSIGN_SUB:
|
|
o.op = OP_ASSIGN_SUB;
|
|
break;
|
|
case TK_OP_ASSIGN_MUL:
|
|
o.op = OP_ASSIGN_MUL;
|
|
break;
|
|
case TK_OP_ASSIGN_DIV:
|
|
o.op = OP_ASSIGN_DIV;
|
|
break;
|
|
case TK_OP_ASSIGN_MOD:
|
|
o.op = OP_ASSIGN_MOD;
|
|
break;
|
|
case TK_OP_ASSIGN_SHIFT_LEFT:
|
|
o.op = OP_ASSIGN_SHIFT_LEFT;
|
|
break;
|
|
case TK_OP_ASSIGN_SHIFT_RIGHT:
|
|
o.op = OP_ASSIGN_SHIFT_RIGHT;
|
|
break;
|
|
case TK_OP_ASSIGN_BIT_AND:
|
|
o.op = OP_ASSIGN_BIT_AND;
|
|
break;
|
|
case TK_OP_ASSIGN_BIT_OR:
|
|
o.op = OP_ASSIGN_BIT_OR;
|
|
break;
|
|
case TK_OP_ASSIGN_BIT_XOR:
|
|
o.op = OP_ASSIGN_BIT_XOR;
|
|
break;
|
|
case TK_OP_BIT_AND:
|
|
o.op = OP_BIT_AND;
|
|
break;
|
|
case TK_OP_BIT_OR:
|
|
o.op = OP_BIT_OR;
|
|
break;
|
|
case TK_OP_BIT_XOR:
|
|
o.op = OP_BIT_XOR;
|
|
break;
|
|
case TK_QUESTION:
|
|
o.op = OP_SELECT_IF;
|
|
break;
|
|
case TK_COLON:
|
|
o.op = OP_SELECT_ELSE;
|
|
break;
|
|
default: {
|
|
_set_error("Invalid token for operator: " + get_token_text(tk));
|
|
return nullptr;
|
|
}
|
|
}
|
|
|
|
expression.push_back(o);
|
|
|
|
} else {
|
|
_set_tkpos(pos); //something else, so rollback and end
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Reduce the set set of expressions and place them in an operator tree, respecting precedence */
|
|
|
|
while (expression.size() > 1) {
|
|
int next_op = -1;
|
|
int min_priority = 0xFFFFF;
|
|
bool is_unary = false;
|
|
bool is_ternary = false;
|
|
|
|
for (int i = 0; i < expression.size(); i++) {
|
|
if (!expression[i].is_op) {
|
|
continue;
|
|
}
|
|
|
|
bool unary = false;
|
|
bool ternary = false;
|
|
|
|
int priority;
|
|
switch (expression[i].op) {
|
|
case OP_EQUAL:
|
|
priority = 8;
|
|
break;
|
|
case OP_NOT_EQUAL:
|
|
priority = 8;
|
|
break;
|
|
case OP_LESS:
|
|
priority = 7;
|
|
break;
|
|
case OP_LESS_EQUAL:
|
|
priority = 7;
|
|
break;
|
|
case OP_GREATER:
|
|
priority = 7;
|
|
break;
|
|
case OP_GREATER_EQUAL:
|
|
priority = 7;
|
|
break;
|
|
case OP_AND:
|
|
priority = 12;
|
|
break;
|
|
case OP_OR:
|
|
priority = 14;
|
|
break;
|
|
case OP_NOT:
|
|
priority = 3;
|
|
unary = true;
|
|
break;
|
|
case OP_NEGATE:
|
|
priority = 3;
|
|
unary = true;
|
|
break;
|
|
case OP_ADD:
|
|
priority = 5;
|
|
break;
|
|
case OP_SUB:
|
|
priority = 5;
|
|
break;
|
|
case OP_MUL:
|
|
priority = 4;
|
|
break;
|
|
case OP_DIV:
|
|
priority = 4;
|
|
break;
|
|
case OP_MOD:
|
|
priority = 4;
|
|
break;
|
|
case OP_SHIFT_LEFT:
|
|
priority = 6;
|
|
break;
|
|
case OP_SHIFT_RIGHT:
|
|
priority = 6;
|
|
break;
|
|
case OP_ASSIGN:
|
|
priority = 16;
|
|
break;
|
|
case OP_ASSIGN_ADD:
|
|
priority = 16;
|
|
break;
|
|
case OP_ASSIGN_SUB:
|
|
priority = 16;
|
|
break;
|
|
case OP_ASSIGN_MUL:
|
|
priority = 16;
|
|
break;
|
|
case OP_ASSIGN_DIV:
|
|
priority = 16;
|
|
break;
|
|
case OP_ASSIGN_MOD:
|
|
priority = 16;
|
|
break;
|
|
case OP_ASSIGN_SHIFT_LEFT:
|
|
priority = 16;
|
|
break;
|
|
case OP_ASSIGN_SHIFT_RIGHT:
|
|
priority = 16;
|
|
break;
|
|
case OP_ASSIGN_BIT_AND:
|
|
priority = 16;
|
|
break;
|
|
case OP_ASSIGN_BIT_OR:
|
|
priority = 16;
|
|
break;
|
|
case OP_ASSIGN_BIT_XOR:
|
|
priority = 16;
|
|
break;
|
|
case OP_BIT_AND:
|
|
priority = 9;
|
|
break;
|
|
case OP_BIT_OR:
|
|
priority = 11;
|
|
break;
|
|
case OP_BIT_XOR:
|
|
priority = 10;
|
|
break;
|
|
case OP_BIT_INVERT:
|
|
priority = 3;
|
|
unary = true;
|
|
break;
|
|
case OP_INCREMENT:
|
|
priority = 3;
|
|
unary = true;
|
|
break;
|
|
case OP_DECREMENT:
|
|
priority = 3;
|
|
unary = true;
|
|
break;
|
|
case OP_SELECT_IF:
|
|
priority = 15;
|
|
ternary = true;
|
|
break;
|
|
case OP_SELECT_ELSE:
|
|
priority = 15;
|
|
ternary = true;
|
|
break;
|
|
|
|
default:
|
|
ERR_FAIL_V(nullptr); //unexpected operator
|
|
}
|
|
|
|
if (priority < min_priority) {
|
|
// < is used for left to right (default)
|
|
// <= is used for right to left
|
|
next_op = i;
|
|
min_priority = priority;
|
|
is_unary = unary;
|
|
is_ternary = ternary;
|
|
}
|
|
}
|
|
|
|
ERR_FAIL_COND_V(next_op == -1, nullptr);
|
|
|
|
// OK! create operator..
|
|
// OK! create operator..
|
|
if (is_unary) {
|
|
int expr_pos = next_op;
|
|
while (expression[expr_pos].is_op) {
|
|
expr_pos++;
|
|
if (expr_pos == expression.size()) {
|
|
//can happen..
|
|
_set_error("Unexpected end of expression...");
|
|
return nullptr;
|
|
}
|
|
}
|
|
|
|
//consecutively do unary operators
|
|
for (int i = expr_pos - 1; i >= next_op; i--) {
|
|
OperatorNode *op = alloc_node<OperatorNode>();
|
|
op->op = expression[i].op;
|
|
if ((op->op == OP_INCREMENT || op->op == OP_DECREMENT) && !_validate_assign(expression[i + 1].node, p_function_info)) {
|
|
_set_error("Can't use increment/decrement operator in constant expression.");
|
|
return nullptr;
|
|
}
|
|
op->arguments.push_back(expression[i + 1].node);
|
|
|
|
expression.write[i].is_op = false;
|
|
expression.write[i].node = op;
|
|
|
|
if (!_validate_operator(op, &op->return_cache)) {
|
|
String at;
|
|
for (int j = 0; j < op->arguments.size(); j++) {
|
|
if (j > 0) {
|
|
at += " and ";
|
|
}
|
|
at += get_datatype_name(op->arguments[j]->get_datatype());
|
|
}
|
|
_set_error("Invalid arguments to unary operator '" + get_operator_text(op->op) + "' :" + at);
|
|
return nullptr;
|
|
}
|
|
expression.remove(i + 1);
|
|
}
|
|
|
|
} else if (is_ternary) {
|
|
if (next_op < 1 || next_op >= (expression.size() - 1)) {
|
|
_set_error("Parser bug...");
|
|
ERR_FAIL_V(nullptr);
|
|
}
|
|
|
|
if (next_op + 2 >= expression.size() || !expression[next_op + 2].is_op || expression[next_op + 2].op != OP_SELECT_ELSE) {
|
|
_set_error("Missing matching ':' for select operator");
|
|
return nullptr;
|
|
}
|
|
|
|
OperatorNode *op = alloc_node<OperatorNode>();
|
|
op->op = expression[next_op].op;
|
|
op->arguments.push_back(expression[next_op - 1].node);
|
|
op->arguments.push_back(expression[next_op + 1].node);
|
|
op->arguments.push_back(expression[next_op + 3].node);
|
|
|
|
expression.write[next_op - 1].is_op = false;
|
|
expression.write[next_op - 1].node = op;
|
|
if (!_validate_operator(op, &op->return_cache)) {
|
|
String at;
|
|
for (int i = 0; i < op->arguments.size(); i++) {
|
|
if (i > 0) {
|
|
at += " and ";
|
|
}
|
|
at += get_datatype_name(op->arguments[i]->get_datatype());
|
|
}
|
|
_set_error("Invalid argument to ternary ?: operator: " + at);
|
|
return nullptr;
|
|
}
|
|
|
|
for (int i = 0; i < 4; i++) {
|
|
expression.remove(next_op);
|
|
}
|
|
|
|
} else {
|
|
if (next_op < 1 || next_op >= (expression.size() - 1)) {
|
|
_set_error("Parser bug...");
|
|
ERR_FAIL_V(nullptr);
|
|
}
|
|
|
|
OperatorNode *op = alloc_node<OperatorNode>();
|
|
op->op = expression[next_op].op;
|
|
|
|
if (expression[next_op - 1].is_op) {
|
|
_set_error("Parser bug...");
|
|
ERR_FAIL_V(nullptr);
|
|
}
|
|
|
|
if (_is_operator_assign(op->op)) {
|
|
String assign_message;
|
|
if (!_validate_assign(expression[next_op - 1].node, p_function_info, &assign_message)) {
|
|
_set_error(assign_message);
|
|
return nullptr;
|
|
}
|
|
}
|
|
|
|
if (expression[next_op + 1].is_op) {
|
|
// this is not invalid and can really appear
|
|
// but it becomes invalid anyway because no binary op
|
|
// can be followed by a unary op in a valid combination,
|
|
// due to how precedence works, unaries will always disappear first
|
|
|
|
_set_error("Parser bug...");
|
|
}
|
|
|
|
op->arguments.push_back(expression[next_op - 1].node); //expression goes as left
|
|
op->arguments.push_back(expression[next_op + 1].node); //next expression goes as right
|
|
expression.write[next_op - 1].node = op;
|
|
|
|
//replace all 3 nodes by this operator and make it an expression
|
|
|
|
if (!_validate_operator(op, &op->return_cache)) {
|
|
String at;
|
|
for (int i = 0; i < op->arguments.size(); i++) {
|
|
if (i > 0) {
|
|
at += " and ";
|
|
}
|
|
if (op->arguments[i]->get_datatype() == TYPE_STRUCT) {
|
|
at += op->arguments[i]->get_datatype_name();
|
|
} else {
|
|
at += get_datatype_name(op->arguments[i]->get_datatype());
|
|
}
|
|
}
|
|
_set_error("Invalid arguments to operator '" + get_operator_text(op->op) + "' :" + at);
|
|
return nullptr;
|
|
}
|
|
|
|
expression.remove(next_op);
|
|
expression.remove(next_op);
|
|
}
|
|
}
|
|
|
|
return expression[0].node;
|
|
}
|
|
|
|
ShaderLanguage::Node *ShaderLanguage::_reduce_expression(BlockNode *p_block, ShaderLanguage::Node *p_node) {
|
|
if (p_node->type != Node::TYPE_OPERATOR) {
|
|
return p_node;
|
|
}
|
|
|
|
//for now only reduce simple constructors
|
|
OperatorNode *op = static_cast<OperatorNode *>(p_node);
|
|
|
|
if (op->op == OP_CONSTRUCT) {
|
|
ERR_FAIL_COND_V(op->arguments[0]->type != Node::TYPE_VARIABLE, p_node);
|
|
|
|
DataType type = op->get_datatype();
|
|
DataType base = get_scalar_type(type);
|
|
int cardinality = get_cardinality(type);
|
|
|
|
Vector<ConstantNode::Value> values;
|
|
|
|
for (int i = 1; i < op->arguments.size(); i++) {
|
|
op->arguments.write[i] = _reduce_expression(p_block, op->arguments[i]);
|
|
if (op->arguments[i]->type == Node::TYPE_CONSTANT) {
|
|
ConstantNode *cn = static_cast<ConstantNode *>(op->arguments[i]);
|
|
|
|
if (get_scalar_type(cn->datatype) == base) {
|
|
for (int j = 0; j < cn->values.size(); j++) {
|
|
values.push_back(cn->values[j]);
|
|
}
|
|
} else if (get_scalar_type(cn->datatype) == cn->datatype) {
|
|
ConstantNode::Value v;
|
|
if (!convert_constant(cn, base, &v)) {
|
|
return p_node;
|
|
}
|
|
values.push_back(v);
|
|
} else {
|
|
return p_node;
|
|
}
|
|
|
|
} else {
|
|
return p_node;
|
|
}
|
|
}
|
|
|
|
if (values.size() == 1) {
|
|
if (type >= TYPE_MAT2 && type <= TYPE_MAT4) {
|
|
ConstantNode::Value value = values[0];
|
|
ConstantNode::Value zero;
|
|
zero.real = 0.0f;
|
|
int size = 2 + (type - TYPE_MAT2);
|
|
|
|
values.clear();
|
|
for (int i = 0; i < size; i++) {
|
|
for (int j = 0; j < size; j++) {
|
|
values.push_back(i == j ? value : zero);
|
|
}
|
|
}
|
|
} else {
|
|
ConstantNode::Value value = values[0];
|
|
for (int i = 1; i < cardinality; i++) {
|
|
values.push_back(value);
|
|
}
|
|
}
|
|
} else if (values.size() != cardinality) {
|
|
ERR_PRINT("Failed to reduce expression, values and cardinality mismatch.");
|
|
return p_node;
|
|
}
|
|
|
|
ConstantNode *cn = alloc_node<ConstantNode>();
|
|
cn->datatype = op->get_datatype();
|
|
cn->values = values;
|
|
return cn;
|
|
} else if (op->op == OP_NEGATE) {
|
|
op->arguments.write[0] = _reduce_expression(p_block, op->arguments[0]);
|
|
if (op->arguments[0]->type == Node::TYPE_CONSTANT) {
|
|
ConstantNode *cn = static_cast<ConstantNode *>(op->arguments[0]);
|
|
|
|
DataType base = get_scalar_type(cn->datatype);
|
|
|
|
Vector<ConstantNode::Value> values;
|
|
|
|
for (int i = 0; i < cn->values.size(); i++) {
|
|
ConstantNode::Value nv;
|
|
switch (base) {
|
|
case TYPE_BOOL: {
|
|
nv.boolean = !cn->values[i].boolean;
|
|
} break;
|
|
case TYPE_INT: {
|
|
nv.sint = -cn->values[i].sint;
|
|
} break;
|
|
case TYPE_UINT: {
|
|
// Intentionally wrap the unsigned int value, because GLSL does.
|
|
nv.uint = 0 - cn->values[i].uint;
|
|
} break;
|
|
case TYPE_FLOAT: {
|
|
nv.real = -cn->values[i].real;
|
|
} break;
|
|
default: {
|
|
}
|
|
}
|
|
|
|
values.push_back(nv);
|
|
}
|
|
|
|
cn->values = values;
|
|
return cn;
|
|
}
|
|
}
|
|
|
|
return p_node;
|
|
}
|
|
|
|
ShaderLanguage::Node *ShaderLanguage::_parse_and_reduce_expression(BlockNode *p_block, const FunctionInfo &p_function_info) {
|
|
ShaderLanguage::Node *expr = _parse_expression(p_block, p_function_info);
|
|
if (!expr) { //errored
|
|
return nullptr;
|
|
}
|
|
|
|
expr = _reduce_expression(p_block, expr);
|
|
|
|
return expr;
|
|
}
|
|
|
|
Error ShaderLanguage::_parse_block(BlockNode *p_block, const FunctionInfo &p_function_info, bool p_just_one, bool p_can_break, bool p_can_continue) {
|
|
while (true) {
|
|
TkPos pos = _get_tkpos();
|
|
|
|
Token tk = _get_token();
|
|
|
|
if (p_block && p_block->block_type == BlockNode::BLOCK_TYPE_SWITCH) {
|
|
if (tk.type != TK_CF_CASE && tk.type != TK_CF_DEFAULT && tk.type != TK_CURLY_BRACKET_CLOSE) {
|
|
_set_error("Switch may contains only case and default blocks");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
}
|
|
|
|
bool is_struct = shader->structs.has(tk.text);
|
|
|
|
if (tk.type == TK_CURLY_BRACKET_CLOSE) { //end of block
|
|
if (p_just_one) {
|
|
_set_error("Unexpected '}'");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
return OK;
|
|
|
|
} else if (tk.type == TK_CONST || is_token_precision(tk.type) || is_token_nonvoid_datatype(tk.type) || is_struct) {
|
|
String struct_name = "";
|
|
if (is_struct) {
|
|
struct_name = tk.text;
|
|
}
|
|
|
|
bool is_const = false;
|
|
|
|
if (tk.type == TK_CONST) {
|
|
is_const = true;
|
|
tk = _get_token();
|
|
|
|
if (!is_struct) {
|
|
is_struct = shader->structs.has(tk.text); // check again.
|
|
struct_name = tk.text;
|
|
}
|
|
}
|
|
|
|
DataPrecision precision = PRECISION_DEFAULT;
|
|
if (is_token_precision(tk.type)) {
|
|
precision = get_token_precision(tk.type);
|
|
tk = _get_token();
|
|
|
|
if (!is_struct) {
|
|
is_struct = shader->structs.has(tk.text); // check again.
|
|
}
|
|
if (is_struct && precision != PRECISION_DEFAULT) {
|
|
_set_error("Precision modifier cannot be used on structs.");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
if (!is_token_nonvoid_datatype(tk.type)) {
|
|
_set_error("Expected datatype after precision");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
}
|
|
|
|
if (!is_struct) {
|
|
if (!is_token_variable_datatype(tk.type)) {
|
|
_set_error("Invalid data type for variable (samplers not allowed)");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
}
|
|
|
|
DataType type = is_struct ? TYPE_STRUCT : get_token_datatype(tk.type);
|
|
|
|
if (_validate_datatype(type) != OK) {
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
tk = _get_token();
|
|
|
|
Node *vardecl = nullptr;
|
|
|
|
while (true) {
|
|
if (tk.type != TK_IDENTIFIER) {
|
|
_set_error("Expected identifier after type");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
StringName name = tk.text;
|
|
ShaderLanguage::IdentifierType itype;
|
|
if (_find_identifier(p_block, true, p_function_info, name, (ShaderLanguage::DataType *)nullptr, &itype)) {
|
|
if (itype != IDENTIFIER_FUNCTION) {
|
|
_set_error("Redefinition of '" + String(name) + "'");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
}
|
|
|
|
BlockNode::Variable var;
|
|
var.type = type;
|
|
var.precision = precision;
|
|
var.line = tk_line;
|
|
var.array_size = 0;
|
|
var.is_const = is_const;
|
|
var.struct_name = struct_name;
|
|
|
|
tk = _get_token();
|
|
|
|
if (tk.type == TK_BRACKET_OPEN) {
|
|
bool unknown_size = false;
|
|
|
|
if (RenderingServer::get_singleton()->is_low_end() && is_const) {
|
|
_set_error("Local const arrays are supported only on high-end platform!");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
ArrayDeclarationNode *node = alloc_node<ArrayDeclarationNode>();
|
|
if (is_struct) {
|
|
node->struct_name = struct_name;
|
|
node->datatype = TYPE_STRUCT;
|
|
} else {
|
|
node->datatype = type;
|
|
}
|
|
node->precision = precision;
|
|
node->is_const = is_const;
|
|
vardecl = (Node *)node;
|
|
|
|
ArrayDeclarationNode::Declaration decl;
|
|
decl.name = name;
|
|
decl.size = 0U;
|
|
|
|
pos = _get_tkpos();
|
|
tk = _get_token();
|
|
|
|
if (tk.type == TK_BRACKET_CLOSE) {
|
|
unknown_size = true;
|
|
} else {
|
|
if (tk.type != TK_INT_CONSTANT || ((int)tk.constant) <= 0) {
|
|
_set_tkpos(pos);
|
|
Node *n = _parse_and_reduce_expression(p_block, p_function_info);
|
|
if (n) {
|
|
if (n->type == Node::TYPE_VARIABLE) {
|
|
VariableNode *vn = static_cast<VariableNode *>(n);
|
|
if (vn) {
|
|
ConstantNode::Value v;
|
|
DataType data_type;
|
|
|
|
_find_identifier(p_block, false, p_function_info, vn->name, &data_type, nullptr, &is_const, nullptr, nullptr, &v);
|
|
|
|
if (is_const) {
|
|
if (data_type == TYPE_INT) {
|
|
int32_t value = v.sint;
|
|
if (value > 0) {
|
|
node->size_expression = n;
|
|
decl.size = (uint32_t)value;
|
|
}
|
|
} else if (data_type == TYPE_UINT) {
|
|
uint32_t value = v.uint;
|
|
if (value > 0U) {
|
|
node->size_expression = n;
|
|
decl.size = value;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} else if (n->type == Node::TYPE_OPERATOR) {
|
|
_set_error("Array size expressions are not yet implemented.");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
}
|
|
} else if (((int)tk.constant) > 0) {
|
|
decl.size = (uint32_t)tk.constant;
|
|
}
|
|
|
|
if (decl.size == 0U) {
|
|
_set_error("Expected integer constant > 0 or ']'");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
tk = _get_token();
|
|
|
|
if (tk.type != TK_BRACKET_CLOSE) {
|
|
_set_error("Expected ']'");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
var.array_size = decl.size;
|
|
}
|
|
|
|
bool full_def = false;
|
|
|
|
tk = _get_token();
|
|
if (tk.type == TK_OP_ASSIGN) {
|
|
if (RenderingServer::get_singleton()->is_low_end()) {
|
|
_set_error("Array initialization is supported only on high-end platform!");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
tk = _get_token();
|
|
|
|
if (tk.type != TK_CURLY_BRACKET_OPEN) {
|
|
if (unknown_size) {
|
|
_set_error("Expected '{'");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
full_def = true;
|
|
|
|
DataPrecision precision2 = PRECISION_DEFAULT;
|
|
if (is_token_precision(tk.type)) {
|
|
precision2 = get_token_precision(tk.type);
|
|
tk = _get_token();
|
|
if (shader->structs.has(tk.text)) {
|
|
_set_error("Precision modifier cannot be used on structs.");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
if (!is_token_nonvoid_datatype(tk.type)) {
|
|
_set_error("Expected datatype after precision");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
}
|
|
|
|
DataType type2;
|
|
StringName struct_name2 = "";
|
|
|
|
if (shader->structs.has(tk.text)) {
|
|
type2 = TYPE_STRUCT;
|
|
struct_name2 = tk.text;
|
|
} else {
|
|
if (!is_token_variable_datatype(tk.type)) {
|
|
_set_error("Invalid data type for array");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
type2 = get_token_datatype(tk.type);
|
|
}
|
|
|
|
int array_size2 = 0;
|
|
|
|
tk = _get_token();
|
|
if (tk.type == TK_BRACKET_OPEN) {
|
|
TkPos pos2 = _get_tkpos();
|
|
tk = _get_token();
|
|
if (tk.type == TK_BRACKET_CLOSE) {
|
|
array_size2 = var.array_size;
|
|
tk = _get_token();
|
|
} else {
|
|
_set_tkpos(pos2);
|
|
|
|
Node *n = _parse_and_reduce_expression(p_block, p_function_info);
|
|
if (!n || n->type != Node::TYPE_CONSTANT || n->get_datatype() != TYPE_INT) {
|
|
_set_error("Expected single integer constant > 0");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
ConstantNode *cnode = (ConstantNode *)n;
|
|
if (cnode->values.size() == 1) {
|
|
array_size2 = cnode->values[0].sint;
|
|
if (array_size2 <= 0) {
|
|
_set_error("Expected single integer constant > 0");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
} else {
|
|
_set_error("Expected single integer constant > 0");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
tk = _get_token();
|
|
if (tk.type != TK_BRACKET_CLOSE) {
|
|
_set_error("Expected ']'");
|
|
return ERR_PARSE_ERROR;
|
|
} else {
|
|
tk = _get_token();
|
|
}
|
|
}
|
|
} else {
|
|
_set_error("Expected '['");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
if (precision != precision2 || type != type2 || struct_name != struct_name2 || var.array_size != array_size2) {
|
|
String error_str = "Cannot convert from '";
|
|
if (precision2 != PRECISION_DEFAULT) {
|
|
error_str += get_precision_name(precision2);
|
|
error_str += " ";
|
|
}
|
|
if (type2 == TYPE_STRUCT) {
|
|
error_str += struct_name2;
|
|
} else {
|
|
error_str += get_datatype_name(type2);
|
|
}
|
|
error_str += "[";
|
|
error_str += itos(array_size2);
|
|
error_str += "]'";
|
|
error_str += " to '";
|
|
if (precision != PRECISION_DEFAULT) {
|
|
error_str += get_precision_name(precision);
|
|
error_str += " ";
|
|
}
|
|
if (type == TYPE_STRUCT) {
|
|
error_str += struct_name;
|
|
} else {
|
|
error_str += get_datatype_name(type);
|
|
}
|
|
error_str += "[";
|
|
error_str += itos(var.array_size);
|
|
error_str += "]'";
|
|
_set_error(error_str);
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
}
|
|
|
|
bool curly = tk.type == TK_CURLY_BRACKET_OPEN;
|
|
|
|
if (unknown_size) {
|
|
if (!curly) {
|
|
_set_error("Expected '{'");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
} else {
|
|
if (full_def) {
|
|
if (curly) {
|
|
_set_error("Expected '('");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (tk.type == TK_PARENTHESIS_OPEN || curly) { // initialization
|
|
while (true) {
|
|
Node *n = _parse_and_reduce_expression(p_block, p_function_info);
|
|
if (!n) {
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
if (node->is_const && n->type == Node::TYPE_OPERATOR && ((OperatorNode *)n)->op == OP_CALL) {
|
|
_set_error("Expected constant expression");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
if (var.type != n->get_datatype() || struct_name != n->get_datatype_name()) {
|
|
_set_error("Invalid assignment of '" + (n->get_datatype() == TYPE_STRUCT ? n->get_datatype_name() : get_datatype_name(n->get_datatype())) + "' to '" + (var.type == TYPE_STRUCT ? struct_name : get_datatype_name(var.type)) + "'");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
tk = _get_token();
|
|
if (tk.type == TK_COMMA) {
|
|
decl.initializer.push_back(n);
|
|
continue;
|
|
} else if (!curly && tk.type == TK_PARENTHESIS_CLOSE) {
|
|
decl.initializer.push_back(n);
|
|
break;
|
|
} else if (curly && tk.type == TK_CURLY_BRACKET_CLOSE) {
|
|
decl.initializer.push_back(n);
|
|
break;
|
|
} else {
|
|
if (curly) {
|
|
_set_error("Expected '}' or ','");
|
|
} else {
|
|
_set_error("Expected ')' or ','");
|
|
}
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
}
|
|
if (unknown_size) {
|
|
decl.size = decl.initializer.size();
|
|
var.array_size = decl.initializer.size();
|
|
} else if (decl.initializer.size() != var.array_size) {
|
|
_set_error("Array size mismatch");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
tk = _get_token();
|
|
}
|
|
} else {
|
|
if (unknown_size) {
|
|
_set_error("Expected array initialization");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
if (node->is_const) {
|
|
_set_error("Expected initialization of constant");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
}
|
|
|
|
node->declarations.push_back(decl);
|
|
} else if (tk.type == TK_OP_ASSIGN) {
|
|
VariableDeclarationNode *node = alloc_node<VariableDeclarationNode>();
|
|
if (is_struct) {
|
|
node->struct_name = struct_name;
|
|
node->datatype = TYPE_STRUCT;
|
|
} else {
|
|
node->datatype = type;
|
|
}
|
|
node->precision = precision;
|
|
node->is_const = is_const;
|
|
vardecl = (Node *)node;
|
|
|
|
VariableDeclarationNode::Declaration decl;
|
|
decl.name = name;
|
|
decl.initializer = nullptr;
|
|
|
|
//variable created with assignment! must parse an expression
|
|
Node *n = _parse_and_reduce_expression(p_block, p_function_info);
|
|
if (!n) {
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
if (node->is_const && n->type == Node::TYPE_OPERATOR && ((OperatorNode *)n)->op == OP_CALL) {
|
|
_set_error("Expected constant expression after '='");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
decl.initializer = n;
|
|
|
|
if (n->type == Node::TYPE_CONSTANT) {
|
|
ConstantNode *const_node = static_cast<ConstantNode *>(n);
|
|
if (const_node && const_node->values.size() == 1) {
|
|
var.value = const_node->values[0];
|
|
}
|
|
}
|
|
|
|
if (var.type == TYPE_STRUCT ? (var.struct_name != n->get_datatype_name()) : (var.type != n->get_datatype())) {
|
|
_set_error("Invalid assignment of '" + (n->get_datatype() == TYPE_STRUCT ? n->get_datatype_name() : get_datatype_name(n->get_datatype())) + "' to '" + (var.type == TYPE_STRUCT ? String(var.struct_name) : get_datatype_name(var.type)) + "'");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
tk = _get_token();
|
|
node->declarations.push_back(decl);
|
|
} else {
|
|
if (is_const) {
|
|
_set_error("Expected initialization of constant");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
VariableDeclarationNode *node = alloc_node<VariableDeclarationNode>();
|
|
if (is_struct) {
|
|
node->struct_name = struct_name;
|
|
node->datatype = TYPE_STRUCT;
|
|
} else {
|
|
node->datatype = type;
|
|
}
|
|
node->precision = precision;
|
|
vardecl = (Node *)node;
|
|
|
|
VariableDeclarationNode::Declaration decl;
|
|
decl.name = name;
|
|
decl.initializer = nullptr;
|
|
node->declarations.push_back(decl);
|
|
}
|
|
|
|
p_block->statements.push_back(vardecl);
|
|
|
|
p_block->variables[name] = var;
|
|
|
|
if (tk.type == TK_COMMA) {
|
|
if (p_block->block_type == BlockNode::BLOCK_TYPE_FOR) {
|
|
_set_error("Multiple declarations in 'for' loop are not implemented yet.");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
tk = _get_token();
|
|
//another variable
|
|
} else if (tk.type == TK_SEMICOLON) {
|
|
break;
|
|
} else {
|
|
_set_error("Expected ',' or ';' after variable");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
}
|
|
} else if (tk.type == TK_CURLY_BRACKET_OPEN) {
|
|
//a sub block, just because..
|
|
BlockNode *block = alloc_node<BlockNode>();
|
|
block->parent_block = p_block;
|
|
if (_parse_block(block, p_function_info, false, p_can_break, p_can_continue) != OK) {
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
p_block->statements.push_back(block);
|
|
} else if (tk.type == TK_CF_IF) {
|
|
//if () {}
|
|
tk = _get_token();
|
|
if (tk.type != TK_PARENTHESIS_OPEN) {
|
|
_set_error("Expected '(' after if");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
ControlFlowNode *cf = alloc_node<ControlFlowNode>();
|
|
cf->flow_op = FLOW_OP_IF;
|
|
Node *n = _parse_and_reduce_expression(p_block, p_function_info);
|
|
if (!n) {
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
if (n->get_datatype() != TYPE_BOOL) {
|
|
_set_error("Expected boolean expression");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
tk = _get_token();
|
|
if (tk.type != TK_PARENTHESIS_CLOSE) {
|
|
_set_error("Expected ')' after expression");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
BlockNode *block = alloc_node<BlockNode>();
|
|
block->parent_block = p_block;
|
|
cf->expressions.push_back(n);
|
|
cf->blocks.push_back(block);
|
|
p_block->statements.push_back(cf);
|
|
|
|
Error err = _parse_block(block, p_function_info, true, p_can_break, p_can_continue);
|
|
if (err) {
|
|
return err;
|
|
}
|
|
|
|
pos = _get_tkpos();
|
|
tk = _get_token();
|
|
if (tk.type == TK_CF_ELSE) {
|
|
block = alloc_node<BlockNode>();
|
|
block->parent_block = p_block;
|
|
cf->blocks.push_back(block);
|
|
err = _parse_block(block, p_function_info, true, p_can_break, p_can_continue);
|
|
|
|
} else {
|
|
_set_tkpos(pos); //rollback
|
|
}
|
|
} else if (tk.type == TK_CF_SWITCH) {
|
|
if (RenderingServer::get_singleton()->is_low_end()) {
|
|
_set_error("\"switch\" operator is supported only on high-end platform!");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
// switch() {}
|
|
tk = _get_token();
|
|
if (tk.type != TK_PARENTHESIS_OPEN) {
|
|
_set_error("Expected '(' after switch");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
ControlFlowNode *cf = alloc_node<ControlFlowNode>();
|
|
cf->flow_op = FLOW_OP_SWITCH;
|
|
Node *n = _parse_and_reduce_expression(p_block, p_function_info);
|
|
if (!n) {
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
if (n->get_datatype() != TYPE_INT) {
|
|
_set_error("Expected integer expression");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
tk = _get_token();
|
|
if (tk.type != TK_PARENTHESIS_CLOSE) {
|
|
_set_error("Expected ')' after expression");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
tk = _get_token();
|
|
if (tk.type != TK_CURLY_BRACKET_OPEN) {
|
|
_set_error("Expected '{' after switch statement");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
BlockNode *switch_block = alloc_node<BlockNode>();
|
|
switch_block->block_type = BlockNode::BLOCK_TYPE_SWITCH;
|
|
switch_block->parent_block = p_block;
|
|
cf->expressions.push_back(n);
|
|
cf->blocks.push_back(switch_block);
|
|
p_block->statements.push_back(cf);
|
|
|
|
int prev_type = TK_CF_CASE;
|
|
while (true) { // Go-through multiple cases.
|
|
|
|
if (_parse_block(switch_block, p_function_info, true, true, false) != OK) {
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
pos = _get_tkpos();
|
|
tk = _get_token();
|
|
if (tk.type == TK_CF_CASE || tk.type == TK_CF_DEFAULT) {
|
|
if (prev_type == TK_CF_DEFAULT) {
|
|
if (tk.type == TK_CF_CASE) {
|
|
_set_error("Cases must be defined before default case.");
|
|
return ERR_PARSE_ERROR;
|
|
} else if (prev_type == TK_CF_DEFAULT) {
|
|
_set_error("Default case must be defined only once.");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
}
|
|
prev_type = tk.type;
|
|
_set_tkpos(pos);
|
|
continue;
|
|
} else {
|
|
Set<int> constants;
|
|
for (int i = 0; i < switch_block->statements.size(); i++) { // Checks for duplicates.
|
|
ControlFlowNode *flow = (ControlFlowNode *)switch_block->statements[i];
|
|
if (flow) {
|
|
if (flow->flow_op == FLOW_OP_CASE) {
|
|
if (flow->expressions[0]->type == Node::TYPE_CONSTANT) {
|
|
ConstantNode *cn = static_cast<ConstantNode *>(flow->expressions[0]);
|
|
if (!cn || cn->values.is_empty()) {
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
if (constants.has(cn->values[0].sint)) {
|
|
_set_error("Duplicated case label: '" + itos(cn->values[0].sint) + "'");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
constants.insert(cn->values[0].sint);
|
|
} else if (flow->expressions[0]->type == Node::TYPE_VARIABLE) {
|
|
VariableNode *vn = static_cast<VariableNode *>(flow->expressions[0]);
|
|
if (!vn) {
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
ConstantNode::Value v;
|
|
_find_identifier(p_block, false, p_function_info, vn->name, nullptr, nullptr, nullptr, nullptr, nullptr, &v);
|
|
if (constants.has(v.sint)) {
|
|
_set_error("Duplicated case label: '" + itos(v.sint) + "'");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
constants.insert(v.sint);
|
|
}
|
|
} else if (flow->flow_op == FLOW_OP_DEFAULT) {
|
|
continue;
|
|
} else {
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
} else {
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
} else if (tk.type == TK_CF_CASE) {
|
|
// case x : break; | return;
|
|
|
|
if (p_block && p_block->block_type == BlockNode::BLOCK_TYPE_CASE) {
|
|
_set_tkpos(pos);
|
|
return OK;
|
|
}
|
|
|
|
if (!p_block || (p_block->block_type != BlockNode::BLOCK_TYPE_SWITCH)) {
|
|
_set_error("case must be placed within switch block");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
tk = _get_token();
|
|
|
|
int sign = 1;
|
|
|
|
if (tk.type == TK_OP_SUB) {
|
|
sign = -1;
|
|
tk = _get_token();
|
|
}
|
|
|
|
Node *n = nullptr;
|
|
|
|
if (tk.type != TK_INT_CONSTANT) {
|
|
bool correct_constant_expression = false;
|
|
DataType data_type;
|
|
|
|
if (tk.type == TK_IDENTIFIER) {
|
|
bool is_const;
|
|
_find_identifier(p_block, false, p_function_info, tk.text, &data_type, nullptr, &is_const);
|
|
if (is_const) {
|
|
if (data_type == TYPE_INT) {
|
|
correct_constant_expression = true;
|
|
}
|
|
}
|
|
}
|
|
if (!correct_constant_expression) {
|
|
_set_error("Expected integer constant");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
VariableNode *vn = alloc_node<VariableNode>();
|
|
vn->name = tk.text;
|
|
n = vn;
|
|
} else {
|
|
ConstantNode::Value v;
|
|
v.sint = (int)tk.constant * sign;
|
|
|
|
ConstantNode *cn = alloc_node<ConstantNode>();
|
|
cn->values.push_back(v);
|
|
cn->datatype = TYPE_INT;
|
|
n = cn;
|
|
}
|
|
|
|
tk = _get_token();
|
|
|
|
if (tk.type != TK_COLON) {
|
|
_set_error("Expected ':'");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
ControlFlowNode *cf = alloc_node<ControlFlowNode>();
|
|
cf->flow_op = FLOW_OP_CASE;
|
|
|
|
BlockNode *case_block = alloc_node<BlockNode>();
|
|
case_block->block_type = BlockNode::BLOCK_TYPE_CASE;
|
|
case_block->parent_block = p_block;
|
|
cf->expressions.push_back(n);
|
|
cf->blocks.push_back(case_block);
|
|
p_block->statements.push_back(cf);
|
|
|
|
Error err = _parse_block(case_block, p_function_info, false, true, false);
|
|
if (err) {
|
|
return err;
|
|
}
|
|
|
|
return OK;
|
|
|
|
} else if (tk.type == TK_CF_DEFAULT) {
|
|
if (p_block && p_block->block_type == BlockNode::BLOCK_TYPE_CASE) {
|
|
_set_tkpos(pos);
|
|
return OK;
|
|
}
|
|
|
|
if (!p_block || (p_block->block_type != BlockNode::BLOCK_TYPE_SWITCH)) {
|
|
_set_error("default must be placed within switch block");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
tk = _get_token();
|
|
|
|
if (tk.type != TK_COLON) {
|
|
_set_error("Expected ':'");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
ControlFlowNode *cf = alloc_node<ControlFlowNode>();
|
|
cf->flow_op = FLOW_OP_DEFAULT;
|
|
|
|
BlockNode *default_block = alloc_node<BlockNode>();
|
|
default_block->block_type = BlockNode::BLOCK_TYPE_DEFAULT;
|
|
default_block->parent_block = p_block;
|
|
cf->blocks.push_back(default_block);
|
|
p_block->statements.push_back(cf);
|
|
|
|
Error err = _parse_block(default_block, p_function_info, false, true, false);
|
|
if (err) {
|
|
return err;
|
|
}
|
|
|
|
return OK;
|
|
|
|
} else if (tk.type == TK_CF_DO || tk.type == TK_CF_WHILE) {
|
|
// do {} while()
|
|
// while() {}
|
|
bool is_do = tk.type == TK_CF_DO;
|
|
|
|
BlockNode *do_block = nullptr;
|
|
if (is_do) {
|
|
do_block = alloc_node<BlockNode>();
|
|
do_block->parent_block = p_block;
|
|
|
|
Error err = _parse_block(do_block, p_function_info, true, true, true);
|
|
if (err) {
|
|
return err;
|
|
}
|
|
|
|
tk = _get_token();
|
|
if (tk.type != TK_CF_WHILE) {
|
|
_set_error("Expected while after do");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
}
|
|
tk = _get_token();
|
|
|
|
if (tk.type != TK_PARENTHESIS_OPEN) {
|
|
_set_error("Expected '(' after while");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
ControlFlowNode *cf = alloc_node<ControlFlowNode>();
|
|
if (is_do) {
|
|
cf->flow_op = FLOW_OP_DO;
|
|
} else {
|
|
cf->flow_op = FLOW_OP_WHILE;
|
|
}
|
|
Node *n = _parse_and_reduce_expression(p_block, p_function_info);
|
|
if (!n) {
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
tk = _get_token();
|
|
if (tk.type != TK_PARENTHESIS_CLOSE) {
|
|
_set_error("Expected ')' after expression");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
if (!is_do) {
|
|
BlockNode *block = alloc_node<BlockNode>();
|
|
block->parent_block = p_block;
|
|
cf->expressions.push_back(n);
|
|
cf->blocks.push_back(block);
|
|
p_block->statements.push_back(cf);
|
|
|
|
Error err = _parse_block(block, p_function_info, true, true, true);
|
|
if (err) {
|
|
return err;
|
|
}
|
|
} else {
|
|
cf->expressions.push_back(n);
|
|
cf->blocks.push_back(do_block);
|
|
p_block->statements.push_back(cf);
|
|
|
|
tk = _get_token();
|
|
if (tk.type != TK_SEMICOLON) {
|
|
_set_error("Expected ';'");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
}
|
|
} else if (tk.type == TK_CF_FOR) {
|
|
// for() {}
|
|
tk = _get_token();
|
|
if (tk.type != TK_PARENTHESIS_OPEN) {
|
|
_set_error("Expected '(' after for");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
ControlFlowNode *cf = alloc_node<ControlFlowNode>();
|
|
cf->flow_op = FLOW_OP_FOR;
|
|
|
|
BlockNode *init_block = alloc_node<BlockNode>();
|
|
init_block->block_type = BlockNode::BLOCK_TYPE_FOR;
|
|
init_block->parent_block = p_block;
|
|
init_block->single_statement = true;
|
|
cf->blocks.push_back(init_block);
|
|
if (_parse_block(init_block, p_function_info, true, false, false) != OK) {
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
Node *n = _parse_and_reduce_expression(init_block, p_function_info);
|
|
if (!n) {
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
if (n->get_datatype() != TYPE_BOOL) {
|
|
_set_error("Middle expression is expected to be boolean.");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
tk = _get_token();
|
|
if (tk.type != TK_SEMICOLON) {
|
|
_set_error("Expected ';' after middle expression");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
cf->expressions.push_back(n);
|
|
|
|
n = _parse_and_reduce_expression(init_block, p_function_info);
|
|
if (!n) {
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
cf->expressions.push_back(n);
|
|
|
|
tk = _get_token();
|
|
if (tk.type != TK_PARENTHESIS_CLOSE) {
|
|
_set_error("Expected ')' after third expression");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
BlockNode *block = alloc_node<BlockNode>();
|
|
block->parent_block = init_block;
|
|
cf->blocks.push_back(block);
|
|
p_block->statements.push_back(cf);
|
|
|
|
Error err = _parse_block(block, p_function_info, true, true, true);
|
|
if (err) {
|
|
return err;
|
|
}
|
|
|
|
} else if (tk.type == TK_CF_RETURN) {
|
|
//check return type
|
|
BlockNode *b = p_block;
|
|
|
|
if (b && b->parent_function && (b->parent_function->name == "vertex" || b->parent_function->name == "fragment" || b->parent_function->name == "light")) {
|
|
_set_error(vformat("Using 'return' in '%s' processor function results in undefined behavior!", b->parent_function->name));
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
while (b && !b->parent_function) {
|
|
b = b->parent_block;
|
|
}
|
|
|
|
if (!b) {
|
|
_set_error("Bug");
|
|
return ERR_BUG;
|
|
}
|
|
|
|
ControlFlowNode *flow = alloc_node<ControlFlowNode>();
|
|
flow->flow_op = FLOW_OP_RETURN;
|
|
|
|
pos = _get_tkpos();
|
|
tk = _get_token();
|
|
if (tk.type == TK_SEMICOLON) {
|
|
//all is good
|
|
if (b->parent_function->return_type != TYPE_VOID) {
|
|
_set_error("Expected return with expression of type '" + get_datatype_name(b->parent_function->return_type) + "'");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
} else {
|
|
_set_tkpos(pos); //rollback, wants expression
|
|
Node *expr = _parse_and_reduce_expression(p_block, p_function_info);
|
|
if (!expr) {
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
if (b->parent_function->return_type != expr->get_datatype()) {
|
|
_set_error("Expected return expression of type '" + get_datatype_name(b->parent_function->return_type) + "'");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
tk = _get_token();
|
|
if (tk.type != TK_SEMICOLON) {
|
|
_set_error("Expected ';' after return expression");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
flow->expressions.push_back(expr);
|
|
}
|
|
|
|
p_block->statements.push_back(flow);
|
|
|
|
BlockNode *block = p_block;
|
|
while (block) {
|
|
if (block->block_type == BlockNode::BLOCK_TYPE_CASE || block->block_type == BlockNode::BLOCK_TYPE_DEFAULT) {
|
|
return OK;
|
|
}
|
|
block = block->parent_block;
|
|
}
|
|
} else if (tk.type == TK_CF_DISCARD) {
|
|
//check return type
|
|
BlockNode *b = p_block;
|
|
while (b && !b->parent_function) {
|
|
b = b->parent_block;
|
|
}
|
|
if (!b) {
|
|
_set_error("Bug");
|
|
return ERR_BUG;
|
|
}
|
|
|
|
if (!b->parent_function->can_discard) {
|
|
_set_error("Use of 'discard' is not allowed here.");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
ControlFlowNode *flow = alloc_node<ControlFlowNode>();
|
|
flow->flow_op = FLOW_OP_DISCARD;
|
|
|
|
pos = _get_tkpos();
|
|
tk = _get_token();
|
|
if (tk.type != TK_SEMICOLON) {
|
|
//all is good
|
|
_set_error("Expected ';' after discard");
|
|
}
|
|
|
|
p_block->statements.push_back(flow);
|
|
} else if (tk.type == TK_CF_BREAK) {
|
|
if (!p_can_break) {
|
|
//all is good
|
|
_set_error("Breaking is not allowed here");
|
|
}
|
|
|
|
ControlFlowNode *flow = alloc_node<ControlFlowNode>();
|
|
flow->flow_op = FLOW_OP_BREAK;
|
|
|
|
pos = _get_tkpos();
|
|
tk = _get_token();
|
|
if (tk.type != TK_SEMICOLON) {
|
|
//all is good
|
|
_set_error("Expected ';' after break");
|
|
}
|
|
|
|
p_block->statements.push_back(flow);
|
|
|
|
BlockNode *block = p_block;
|
|
while (block) {
|
|
if (block->block_type == BlockNode::BLOCK_TYPE_CASE || block->block_type == BlockNode::BLOCK_TYPE_DEFAULT) {
|
|
return OK;
|
|
}
|
|
block = block->parent_block;
|
|
}
|
|
|
|
} else if (tk.type == TK_CF_CONTINUE) {
|
|
if (!p_can_continue) {
|
|
//all is good
|
|
_set_error("Continuing is not allowed here");
|
|
}
|
|
|
|
ControlFlowNode *flow = alloc_node<ControlFlowNode>();
|
|
flow->flow_op = FLOW_OP_CONTINUE;
|
|
|
|
pos = _get_tkpos();
|
|
tk = _get_token();
|
|
if (tk.type != TK_SEMICOLON) {
|
|
//all is good
|
|
_set_error("Expected ';' after continue");
|
|
}
|
|
|
|
p_block->statements.push_back(flow);
|
|
|
|
} else {
|
|
//nothing else, so expression
|
|
_set_tkpos(pos); //rollback
|
|
Node *expr = _parse_and_reduce_expression(p_block, p_function_info);
|
|
if (!expr) {
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
p_block->statements.push_back(expr);
|
|
tk = _get_token();
|
|
|
|
if (tk.type != TK_SEMICOLON) {
|
|
_set_error("Expected ';' after statement");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
}
|
|
|
|
if (p_just_one) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
return OK;
|
|
}
|
|
|
|
String ShaderLanguage::_get_shader_type_list(const Set<String> &p_shader_types) const {
|
|
// Return a list of shader types as an human-readable string
|
|
String valid_types;
|
|
for (const Set<String>::Element *E = p_shader_types.front(); E; E = E->next()) {
|
|
if (valid_types != String()) {
|
|
valid_types += ", ";
|
|
}
|
|
|
|
valid_types += "'" + E->get() + "'";
|
|
}
|
|
|
|
return valid_types;
|
|
}
|
|
|
|
String ShaderLanguage::_get_qualifier_str(ArgumentQualifier p_qualifier) const {
|
|
switch (p_qualifier) {
|
|
case ArgumentQualifier::ARGUMENT_QUALIFIER_IN:
|
|
return "in";
|
|
case ArgumentQualifier::ARGUMENT_QUALIFIER_OUT:
|
|
return "out";
|
|
case ArgumentQualifier::ARGUMENT_QUALIFIER_INOUT:
|
|
return "inout";
|
|
}
|
|
return "";
|
|
}
|
|
|
|
Error ShaderLanguage::_validate_datatype(DataType p_type) {
|
|
if (RenderingServer::get_singleton()->is_low_end()) {
|
|
bool invalid_type = false;
|
|
|
|
switch (p_type) {
|
|
case TYPE_UINT:
|
|
case TYPE_UVEC2:
|
|
case TYPE_UVEC3:
|
|
case TYPE_UVEC4:
|
|
case TYPE_ISAMPLER2D:
|
|
case TYPE_USAMPLER2D:
|
|
case TYPE_ISAMPLER3D:
|
|
case TYPE_USAMPLER3D:
|
|
case TYPE_USAMPLER2DARRAY:
|
|
case TYPE_ISAMPLER2DARRAY:
|
|
invalid_type = true;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (invalid_type) {
|
|
_set_error(vformat("\"%s\" type is supported only on high-end platform!", get_datatype_name(p_type)));
|
|
return ERR_UNAVAILABLE;
|
|
}
|
|
}
|
|
return OK;
|
|
}
|
|
|
|
Error ShaderLanguage::_parse_shader(const Map<StringName, FunctionInfo> &p_functions, const Vector<StringName> &p_render_modes, const Set<String> &p_shader_types) {
|
|
Token tk = _get_token();
|
|
|
|
if (tk.type != TK_SHADER_TYPE) {
|
|
_set_error("Expected 'shader_type' at the beginning of shader. Valid types are: " + _get_shader_type_list(p_shader_types));
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
tk = _get_token();
|
|
|
|
if (tk.type != TK_IDENTIFIER) {
|
|
_set_error("Expected identifier after 'shader_type', indicating type of shader. Valid types are: " + _get_shader_type_list(p_shader_types));
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
String shader_type_identifier;
|
|
|
|
shader_type_identifier = tk.text;
|
|
|
|
if (!p_shader_types.has(shader_type_identifier)) {
|
|
_set_error("Invalid shader type. Valid types are: " + _get_shader_type_list(p_shader_types));
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
tk = _get_token();
|
|
|
|
if (tk.type != TK_SEMICOLON) {
|
|
_set_error("Expected ';' after 'shader_type <type>'.");
|
|
}
|
|
|
|
tk = _get_token();
|
|
|
|
int texture_uniforms = 0;
|
|
int uniforms = 0;
|
|
int instance_index = 0;
|
|
ShaderNode::Uniform::Scope uniform_scope = ShaderNode::Uniform::SCOPE_LOCAL;
|
|
|
|
stages = &p_functions;
|
|
|
|
while (tk.type != TK_EOF) {
|
|
switch (tk.type) {
|
|
case TK_RENDER_MODE: {
|
|
while (true) {
|
|
StringName mode;
|
|
_get_completable_identifier(nullptr, COMPLETION_RENDER_MODE, mode);
|
|
|
|
if (mode == StringName()) {
|
|
_set_error("Expected identifier for render mode");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
if (p_render_modes.find(mode) == -1) {
|
|
_set_error("Invalid render mode: '" + String(mode) + "'");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
if (shader->render_modes.find(mode) != -1) {
|
|
_set_error("Duplicate render mode: '" + String(mode) + "'");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
shader->render_modes.push_back(mode);
|
|
|
|
tk = _get_token();
|
|
if (tk.type == TK_COMMA) {
|
|
//all good, do nothing
|
|
} else if (tk.type == TK_SEMICOLON) {
|
|
break; //done
|
|
} else {
|
|
_set_error("Unexpected token: " + get_token_text(tk));
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
}
|
|
} break;
|
|
case TK_STRUCT: {
|
|
ShaderNode::Struct st;
|
|
DataType type;
|
|
|
|
tk = _get_token();
|
|
if (tk.type == TK_IDENTIFIER) {
|
|
st.name = tk.text;
|
|
tk = _get_token();
|
|
if (tk.type != TK_CURLY_BRACKET_OPEN) {
|
|
_set_error("Expected '{'");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
} else {
|
|
_set_error("Expected struct identifier!");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
StructNode *st_node = alloc_node<StructNode>();
|
|
st.shader_struct = st_node;
|
|
|
|
int member_count = 0;
|
|
Set<String> member_names;
|
|
while (true) { // variables list
|
|
tk = _get_token();
|
|
if (tk.type == TK_CURLY_BRACKET_CLOSE) {
|
|
break;
|
|
}
|
|
StringName struct_name = "";
|
|
bool struct_dt = false;
|
|
bool use_precision = false;
|
|
DataPrecision precision = DataPrecision::PRECISION_DEFAULT;
|
|
|
|
if (tk.type == TK_STRUCT) {
|
|
_set_error("nested structs are not allowed!");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
if (is_token_precision(tk.type)) {
|
|
precision = get_token_precision(tk.type);
|
|
use_precision = true;
|
|
tk = _get_token();
|
|
}
|
|
|
|
if (shader->structs.has(tk.text)) {
|
|
struct_name = tk.text;
|
|
struct_dt = true;
|
|
if (use_precision) {
|
|
_set_error("Precision modifier cannot be used on structs.");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
}
|
|
|
|
if (!is_token_datatype(tk.type) && !struct_dt) {
|
|
_set_error("Expected datatype.");
|
|
return ERR_PARSE_ERROR;
|
|
} else {
|
|
type = struct_dt ? TYPE_STRUCT : get_token_datatype(tk.type);
|
|
|
|
if (is_sampler_type(type)) {
|
|
_set_error("sampler datatype not allowed here");
|
|
return ERR_PARSE_ERROR;
|
|
} else if (type == TYPE_VOID) {
|
|
_set_error("void datatype not allowed here");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
tk = _get_token();
|
|
if (tk.type != TK_IDENTIFIER) {
|
|
_set_error("Expected identifier!");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
MemberNode *member = alloc_node<MemberNode>();
|
|
member->precision = precision;
|
|
member->datatype = type;
|
|
member->struct_name = struct_name;
|
|
member->name = tk.text;
|
|
|
|
if (member_names.has(member->name)) {
|
|
_set_error("Redefinition of '" + String(member->name) + "'");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
member_names.insert(member->name);
|
|
|
|
tk = _get_token();
|
|
if (tk.type == TK_BRACKET_OPEN) {
|
|
tk = _get_token();
|
|
if (tk.type == TK_INT_CONSTANT && tk.constant > 0) {
|
|
member->array_size = (int)tk.constant;
|
|
|
|
tk = _get_token();
|
|
if (tk.type == TK_BRACKET_CLOSE) {
|
|
tk = _get_token();
|
|
if (tk.type != TK_SEMICOLON) {
|
|
_set_error("Expected ';'");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
} else {
|
|
_set_error("Expected ']'");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
} else {
|
|
_set_error("Expected single integer constant > 0");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
}
|
|
st_node->members.push_back(member);
|
|
|
|
if (tk.type != TK_SEMICOLON) {
|
|
_set_error("Expected ']' or ';'");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
member_count++;
|
|
}
|
|
}
|
|
if (member_count == 0) {
|
|
_set_error("Empty structs are not allowed!");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
tk = _get_token();
|
|
if (tk.type != TK_SEMICOLON) {
|
|
_set_error("Expected ';'");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
shader->structs[st.name] = st;
|
|
shader->vstructs.push_back(st); // struct's order is important!
|
|
|
|
} break;
|
|
case TK_GLOBAL: {
|
|
tk = _get_token();
|
|
if (tk.type != TK_UNIFORM) {
|
|
_set_error("Expected 'uniform' after 'global'");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
uniform_scope = ShaderNode::Uniform::SCOPE_GLOBAL;
|
|
};
|
|
[[fallthrough]];
|
|
case TK_INSTANCE: {
|
|
if (uniform_scope == ShaderNode::Uniform::SCOPE_LOCAL) {
|
|
tk = _get_token();
|
|
if (tk.type != TK_UNIFORM) {
|
|
_set_error("Expected 'uniform' after 'instance'");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
uniform_scope = ShaderNode::Uniform::SCOPE_INSTANCE;
|
|
}
|
|
};
|
|
[[fallthrough]];
|
|
case TK_UNIFORM:
|
|
case TK_VARYING: {
|
|
bool uniform = tk.type == TK_UNIFORM;
|
|
|
|
if (!uniform) {
|
|
if (shader_type_identifier == "particles" || shader_type_identifier == "sky") {
|
|
_set_error(vformat("Varyings cannot be used in '%s' shaders!", shader_type_identifier));
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
}
|
|
|
|
DataPrecision precision = PRECISION_DEFAULT;
|
|
DataInterpolation interpolation = INTERPOLATION_SMOOTH;
|
|
DataType type;
|
|
StringName name;
|
|
|
|
tk = _get_token();
|
|
if (is_token_interpolation(tk.type)) {
|
|
interpolation = get_token_interpolation(tk.type);
|
|
tk = _get_token();
|
|
}
|
|
|
|
if (is_token_precision(tk.type)) {
|
|
precision = get_token_precision(tk.type);
|
|
tk = _get_token();
|
|
}
|
|
|
|
if (!is_token_datatype(tk.type)) {
|
|
_set_error("Expected datatype. ");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
type = get_token_datatype(tk.type);
|
|
|
|
if (type == TYPE_VOID) {
|
|
_set_error("void datatype not allowed here");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
if (!uniform && (type < TYPE_FLOAT || type > TYPE_MAT4)) {
|
|
_set_error("Invalid type for varying, only float,vec2,vec3,vec4,mat2,mat3,mat4 or array of these types allowed.");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
tk = _get_token();
|
|
if (tk.type != TK_IDENTIFIER) {
|
|
_set_error("Expected identifier!");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
name = tk.text;
|
|
|
|
if (_find_identifier(nullptr, false, FunctionInfo(), name)) {
|
|
_set_error("Redefinition of '" + String(name) + "'");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
if (has_builtin(p_functions, name)) {
|
|
_set_error("Redefinition of '" + String(name) + "'");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
if (uniform) {
|
|
if (uniform_scope == ShaderNode::Uniform::SCOPE_GLOBAL) {
|
|
//validate global uniform
|
|
DataType gvtype = global_var_get_type_func(name);
|
|
if (gvtype == TYPE_MAX) {
|
|
_set_error("Global uniform '" + String(name) + "' does not exist. Create it in Project Settings.");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
if (type != gvtype) {
|
|
_set_error("Global uniform '" + String(name) + "' must be of type '" + get_datatype_name(gvtype) + "'.");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
}
|
|
ShaderNode::Uniform uniform2;
|
|
|
|
if (is_sampler_type(type)) {
|
|
if (uniform_scope == ShaderNode::Uniform::SCOPE_INSTANCE) {
|
|
_set_error("Uniforms with 'instance' qualifiers can't be of sampler type.");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
uniform2.texture_order = texture_uniforms++;
|
|
uniform2.order = -1;
|
|
if (_validate_datatype(type) != OK) {
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
} else {
|
|
if (uniform_scope == ShaderNode::Uniform::SCOPE_INSTANCE && (type == TYPE_MAT2 || type == TYPE_MAT3 || type == TYPE_MAT4)) {
|
|
_set_error("Uniforms with 'instance' qualifiers can't be of matrix type.");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
uniform2.texture_order = -1;
|
|
if (uniform_scope != ShaderNode::Uniform::SCOPE_INSTANCE) {
|
|
uniform2.order = uniforms++;
|
|
}
|
|
}
|
|
uniform2.type = type;
|
|
uniform2.scope = uniform_scope;
|
|
uniform2.precision = precision;
|
|
|
|
//todo parse default value
|
|
|
|
tk = _get_token();
|
|
|
|
int custom_instance_index = -1;
|
|
|
|
if (tk.type == TK_COLON) {
|
|
//hint
|
|
do {
|
|
tk = _get_token();
|
|
if (tk.type == TK_HINT_WHITE_TEXTURE) {
|
|
uniform2.hint = ShaderNode::Uniform::HINT_WHITE;
|
|
} else if (tk.type == TK_HINT_BLACK_TEXTURE) {
|
|
uniform2.hint = ShaderNode::Uniform::HINT_BLACK;
|
|
} else if (tk.type == TK_HINT_NORMAL_TEXTURE) {
|
|
uniform2.hint = ShaderNode::Uniform::HINT_NORMAL;
|
|
} else if (tk.type == TK_HINT_ROUGHNESS_NORMAL_TEXTURE) {
|
|
uniform2.hint = ShaderNode::Uniform::HINT_ROUGHNESS_NORMAL;
|
|
} else if (tk.type == TK_HINT_ROUGHNESS_R) {
|
|
uniform2.hint = ShaderNode::Uniform::HINT_ROUGHNESS_R;
|
|
} else if (tk.type == TK_HINT_ROUGHNESS_G) {
|
|
uniform2.hint = ShaderNode::Uniform::HINT_ROUGHNESS_G;
|
|
} else if (tk.type == TK_HINT_ROUGHNESS_B) {
|
|
uniform2.hint = ShaderNode::Uniform::HINT_ROUGHNESS_B;
|
|
} else if (tk.type == TK_HINT_ROUGHNESS_A) {
|
|
uniform2.hint = ShaderNode::Uniform::HINT_ROUGHNESS_A;
|
|
} else if (tk.type == TK_HINT_ROUGHNESS_GRAY) {
|
|
uniform2.hint = ShaderNode::Uniform::HINT_ROUGHNESS_GRAY;
|
|
} else if (tk.type == TK_HINT_ANISO_TEXTURE) {
|
|
uniform2.hint = ShaderNode::Uniform::HINT_ANISO;
|
|
} else if (tk.type == TK_HINT_ALBEDO_TEXTURE) {
|
|
uniform2.hint = ShaderNode::Uniform::HINT_ALBEDO;
|
|
} else if (tk.type == TK_HINT_BLACK_ALBEDO_TEXTURE) {
|
|
uniform2.hint = ShaderNode::Uniform::HINT_BLACK_ALBEDO;
|
|
} else if (tk.type == TK_HINT_COLOR) {
|
|
if (type != TYPE_VEC4) {
|
|
_set_error("Color hint is for vec4 only");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
uniform2.hint = ShaderNode::Uniform::HINT_COLOR;
|
|
} else if (tk.type == TK_HINT_RANGE) {
|
|
uniform2.hint = ShaderNode::Uniform::HINT_RANGE;
|
|
if (type != TYPE_FLOAT && type != TYPE_INT) {
|
|
_set_error("Range hint is for float and int only");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
tk = _get_token();
|
|
if (tk.type != TK_PARENTHESIS_OPEN) {
|
|
_set_error("Expected '(' after hint_range");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
tk = _get_token();
|
|
|
|
float sign = 1.0;
|
|
|
|
if (tk.type == TK_OP_SUB) {
|
|
sign = -1.0;
|
|
tk = _get_token();
|
|
}
|
|
|
|
if (tk.type != TK_FLOAT_CONSTANT && tk.type != TK_INT_CONSTANT) {
|
|
_set_error("Expected integer constant");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
uniform2.hint_range[0] = tk.constant;
|
|
uniform2.hint_range[0] *= sign;
|
|
|
|
tk = _get_token();
|
|
|
|
if (tk.type != TK_COMMA) {
|
|
_set_error("Expected ',' after integer constant");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
tk = _get_token();
|
|
|
|
sign = 1.0;
|
|
|
|
if (tk.type == TK_OP_SUB) {
|
|
sign = -1.0;
|
|
tk = _get_token();
|
|
}
|
|
|
|
if (tk.type != TK_FLOAT_CONSTANT && tk.type != TK_INT_CONSTANT) {
|
|
_set_error("Expected integer constant after ','");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
uniform2.hint_range[1] = tk.constant;
|
|
uniform2.hint_range[1] *= sign;
|
|
|
|
tk = _get_token();
|
|
|
|
if (tk.type == TK_COMMA) {
|
|
tk = _get_token();
|
|
|
|
if (tk.type != TK_FLOAT_CONSTANT && tk.type != TK_INT_CONSTANT) {
|
|
_set_error("Expected integer constant after ','");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
uniform2.hint_range[2] = tk.constant;
|
|
tk = _get_token();
|
|
} else {
|
|
if (type == TYPE_INT) {
|
|
uniform2.hint_range[2] = 1;
|
|
} else {
|
|
uniform2.hint_range[2] = 0.001;
|
|
}
|
|
}
|
|
|
|
if (tk.type != TK_PARENTHESIS_CLOSE) {
|
|
_set_error("Expected ')'");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
} else if (tk.type == TK_HINT_INSTANCE_INDEX) {
|
|
if (custom_instance_index != -1) {
|
|
_set_error("Can only specify 'instance_index' once.");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
tk = _get_token();
|
|
if (tk.type != TK_PARENTHESIS_OPEN) {
|
|
_set_error("Expected '(' after 'instance_index'");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
tk = _get_token();
|
|
|
|
if (tk.type == TK_OP_SUB) {
|
|
_set_error("The instance index can't be negative.");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
if (tk.type != TK_INT_CONSTANT) {
|
|
_set_error("Expected integer constant");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
custom_instance_index = tk.constant;
|
|
|
|
if (custom_instance_index >= MAX_INSTANCE_UNIFORM_INDICES) {
|
|
_set_error("Allowed instance uniform indices are 0-" + itos(MAX_INSTANCE_UNIFORM_INDICES - 1));
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
tk = _get_token();
|
|
|
|
if (tk.type != TK_PARENTHESIS_CLOSE) {
|
|
_set_error("Expected ')'");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
} else if (tk.type == TK_FILTER_LINEAR) {
|
|
uniform2.filter = FILTER_LINEAR;
|
|
} else if (tk.type == TK_FILTER_NEAREST) {
|
|
uniform2.filter = FILTER_NEAREST;
|
|
} else if (tk.type == TK_FILTER_NEAREST_MIPMAP) {
|
|
uniform2.filter = FILTER_NEAREST_MIPMAP;
|
|
} else if (tk.type == TK_FILTER_LINEAR_MIPMAP) {
|
|
uniform2.filter = FILTER_LINEAR_MIPMAP;
|
|
} else if (tk.type == TK_FILTER_NEAREST_MIPMAP_ANISO) {
|
|
uniform2.filter = FILTER_NEAREST_MIPMAP_ANISO;
|
|
} else if (tk.type == TK_FILTER_LINEAR_MIPMAP_ANISO) {
|
|
uniform2.filter = FILTER_LINEAR_MIPMAP_ANISO;
|
|
} else if (tk.type == TK_REPEAT_DISABLE) {
|
|
uniform2.repeat = REPEAT_DISABLE;
|
|
} else if (tk.type == TK_REPEAT_ENABLE) {
|
|
uniform2.repeat = REPEAT_ENABLE;
|
|
} else {
|
|
_set_error("Expected valid type hint after ':'.");
|
|
}
|
|
|
|
if (uniform2.hint != ShaderNode::Uniform::HINT_RANGE && uniform2.hint != ShaderNode::Uniform::HINT_NONE && uniform2.hint != ShaderNode::Uniform::HINT_COLOR && type <= TYPE_MAT4) {
|
|
_set_error("This hint is only for sampler types");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
tk = _get_token();
|
|
|
|
} while (tk.type == TK_COMMA);
|
|
}
|
|
|
|
if (uniform_scope == ShaderNode::Uniform::SCOPE_INSTANCE) {
|
|
if (custom_instance_index >= 0) {
|
|
uniform2.instance_index = custom_instance_index;
|
|
} else {
|
|
uniform2.instance_index = instance_index++;
|
|
if (instance_index > MAX_INSTANCE_UNIFORM_INDICES) {
|
|
_set_error("Too many 'instance' uniforms in shader, maximum supported is " + itos(MAX_INSTANCE_UNIFORM_INDICES));
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
}
|
|
}
|
|
|
|
//reset scope for next uniform
|
|
|
|
if (tk.type == TK_OP_ASSIGN) {
|
|
Node *expr = _parse_and_reduce_expression(nullptr, FunctionInfo());
|
|
if (!expr) {
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
if (expr->type != Node::TYPE_CONSTANT) {
|
|
_set_error("Expected constant expression after '='");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
ConstantNode *cn = static_cast<ConstantNode *>(expr);
|
|
|
|
uniform2.default_value.resize(cn->values.size());
|
|
|
|
if (!convert_constant(cn, uniform2.type, uniform2.default_value.ptrw())) {
|
|
_set_error("Can't convert constant to " + get_datatype_name(uniform2.type));
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
tk = _get_token();
|
|
}
|
|
|
|
shader->uniforms[name] = uniform2;
|
|
//reset scope for next uniform
|
|
uniform_scope = ShaderNode::Uniform::SCOPE_LOCAL;
|
|
|
|
if (tk.type != TK_SEMICOLON) {
|
|
_set_error("Expected ';'");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
} else {
|
|
ShaderNode::Varying varying;
|
|
varying.type = type;
|
|
varying.precision = precision;
|
|
varying.interpolation = interpolation;
|
|
|
|
tk = _get_token();
|
|
if (tk.type != TK_SEMICOLON && tk.type != TK_BRACKET_OPEN) {
|
|
_set_error("Expected ';' or '['");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
if (tk.type == TK_BRACKET_OPEN) {
|
|
tk = _get_token();
|
|
if (tk.type == TK_INT_CONSTANT && tk.constant > 0) {
|
|
varying.array_size = (int)tk.constant;
|
|
|
|
tk = _get_token();
|
|
if (tk.type == TK_BRACKET_CLOSE) {
|
|
tk = _get_token();
|
|
if (tk.type != TK_SEMICOLON) {
|
|
_set_error("Expected ';'");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
} else {
|
|
_set_error("Expected ']'");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
} else {
|
|
_set_error("Expected single integer constant > 0");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
}
|
|
|
|
shader->varyings[name] = varying;
|
|
}
|
|
|
|
} break;
|
|
default: {
|
|
//function or constant variable
|
|
|
|
bool is_constant = false;
|
|
bool is_struct = false;
|
|
StringName struct_name;
|
|
DataPrecision precision = PRECISION_DEFAULT;
|
|
DataType type;
|
|
StringName name;
|
|
|
|
if (tk.type == TK_CONST) {
|
|
is_constant = true;
|
|
tk = _get_token();
|
|
}
|
|
|
|
if (is_token_precision(tk.type)) {
|
|
precision = get_token_precision(tk.type);
|
|
tk = _get_token();
|
|
}
|
|
|
|
if (shader->structs.has(tk.text)) {
|
|
if (precision != PRECISION_DEFAULT) {
|
|
_set_error("Precision modifier cannot be used on structs.");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
is_struct = true;
|
|
struct_name = tk.text;
|
|
} else {
|
|
if (!is_token_datatype(tk.type)) {
|
|
_set_error("Expected constant, function, uniform or varying");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
if (!is_token_variable_datatype(tk.type)) {
|
|
_set_error("Invalid data type for constants or function return (samplers not allowed)");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
}
|
|
|
|
if (is_struct) {
|
|
type = TYPE_STRUCT;
|
|
} else {
|
|
type = get_token_datatype(tk.type);
|
|
}
|
|
TkPos prev_pos = _get_tkpos();
|
|
tk = _get_token();
|
|
if (tk.type == TK_BRACKET_OPEN) {
|
|
_set_error("Cannot use arrays as return types");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
_set_tkpos(prev_pos);
|
|
|
|
_get_completable_identifier(nullptr, COMPLETION_MAIN_FUNCTION, name);
|
|
|
|
if (name == StringName()) {
|
|
_set_error("Expected function name after datatype");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
if (_find_identifier(nullptr, false, FunctionInfo(), name)) {
|
|
_set_error("Redefinition of '" + String(name) + "'");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
if (has_builtin(p_functions, name)) {
|
|
_set_error("Redefinition of '" + String(name) + "'");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
tk = _get_token();
|
|
if (tk.type != TK_PARENTHESIS_OPEN) {
|
|
if (type == TYPE_VOID) {
|
|
_set_error("Expected '(' after function identifier");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
//variable
|
|
|
|
while (true) {
|
|
ShaderNode::Constant constant;
|
|
constant.name = name;
|
|
constant.type = is_struct ? TYPE_STRUCT : type;
|
|
constant.type_str = struct_name;
|
|
constant.precision = precision;
|
|
constant.initializer = nullptr;
|
|
constant.array_size = 0;
|
|
|
|
bool unknown_size = false;
|
|
|
|
if (tk.type == TK_BRACKET_OPEN) {
|
|
if (RenderingServer::get_singleton()->is_low_end()) {
|
|
_set_error("Global const arrays are supported only on high-end platform!");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
tk = _get_token();
|
|
if (tk.type == TK_BRACKET_CLOSE) {
|
|
unknown_size = true;
|
|
tk = _get_token();
|
|
} else if (tk.type == TK_INT_CONSTANT && ((int)tk.constant) > 0) {
|
|
constant.array_size = (int)tk.constant;
|
|
tk = _get_token();
|
|
if (tk.type != TK_BRACKET_CLOSE) {
|
|
_set_error("Expected ']'");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
tk = _get_token();
|
|
} else {
|
|
_set_error("Expected integer constant > 0 or ']'");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
}
|
|
|
|
if (tk.type == TK_OP_ASSIGN) {
|
|
if (!is_constant) {
|
|
_set_error("Expected 'const' keyword before constant definition");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
if (constant.array_size > 0 || unknown_size) {
|
|
bool full_def = false;
|
|
|
|
ArrayDeclarationNode::Declaration decl;
|
|
decl.name = name;
|
|
decl.size = constant.array_size;
|
|
|
|
tk = _get_token();
|
|
|
|
if (tk.type != TK_CURLY_BRACKET_OPEN) {
|
|
if (unknown_size) {
|
|
_set_error("Expected '{'");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
full_def = true;
|
|
|
|
DataPrecision precision2 = PRECISION_DEFAULT;
|
|
if (is_token_precision(tk.type)) {
|
|
precision2 = get_token_precision(tk.type);
|
|
tk = _get_token();
|
|
if (!is_token_nonvoid_datatype(tk.type)) {
|
|
_set_error("Expected datatype after precision");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
}
|
|
|
|
StringName struct_name2;
|
|
DataType type2;
|
|
|
|
if (shader->structs.has(tk.text)) {
|
|
type2 = TYPE_STRUCT;
|
|
struct_name2 = tk.text;
|
|
} else {
|
|
if (!is_token_variable_datatype(tk.type)) {
|
|
_set_error("Invalid data type for array");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
type2 = get_token_datatype(tk.type);
|
|
}
|
|
|
|
int array_size2 = 0;
|
|
|
|
tk = _get_token();
|
|
if (tk.type == TK_BRACKET_OPEN) {
|
|
TkPos pos2 = _get_tkpos();
|
|
tk = _get_token();
|
|
if (tk.type == TK_BRACKET_CLOSE) {
|
|
array_size2 = constant.array_size;
|
|
tk = _get_token();
|
|
} else {
|
|
_set_tkpos(pos2);
|
|
|
|
Node *n = _parse_and_reduce_expression(NULL, FunctionInfo());
|
|
if (!n || n->type != Node::TYPE_CONSTANT || n->get_datatype() != TYPE_INT) {
|
|
_set_error("Expected single integer constant > 0");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
ConstantNode *cnode = (ConstantNode *)n;
|
|
if (cnode->values.size() == 1) {
|
|
array_size2 = cnode->values[0].sint;
|
|
if (array_size2 <= 0) {
|
|
_set_error("Expected single integer constant > 0");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
} else {
|
|
_set_error("Expected single integer constant > 0");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
tk = _get_token();
|
|
if (tk.type != TK_BRACKET_CLOSE) {
|
|
_set_error("Expected ']");
|
|
return ERR_PARSE_ERROR;
|
|
} else {
|
|
tk = _get_token();
|
|
}
|
|
}
|
|
} else {
|
|
_set_error("Expected '[");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
if (constant.precision != precision2 || constant.type != type2 || struct_name != struct_name2 || constant.array_size != array_size2) {
|
|
String error_str = "Cannot convert from '";
|
|
if (type2 == TYPE_STRUCT) {
|
|
error_str += struct_name2;
|
|
} else {
|
|
if (precision2 != PRECISION_DEFAULT) {
|
|
error_str += get_precision_name(precision2);
|
|
error_str += " ";
|
|
}
|
|
error_str += get_datatype_name(type2);
|
|
}
|
|
error_str += "[";
|
|
error_str += itos(array_size2);
|
|
error_str += "]'";
|
|
error_str += " to '";
|
|
if (type == TYPE_STRUCT) {
|
|
error_str += struct_name;
|
|
} else {
|
|
if (precision != PRECISION_DEFAULT) {
|
|
error_str += get_precision_name(precision);
|
|
error_str += " ";
|
|
}
|
|
error_str += get_datatype_name(type);
|
|
}
|
|
error_str += "[";
|
|
error_str += itos(constant.array_size);
|
|
error_str += "]'";
|
|
_set_error(error_str);
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
}
|
|
|
|
bool curly = tk.type == TK_CURLY_BRACKET_OPEN;
|
|
|
|
if (unknown_size) {
|
|
if (!curly) {
|
|
_set_error("Expected '{'");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
} else {
|
|
if (full_def) {
|
|
if (curly) {
|
|
_set_error("Expected '('");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (tk.type == TK_PARENTHESIS_OPEN || curly) { // initialization
|
|
while (true) {
|
|
Node *n = _parse_and_reduce_expression(NULL, FunctionInfo());
|
|
if (!n) {
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
if (n->type == Node::TYPE_OPERATOR && ((OperatorNode *)n)->op == OP_CALL) {
|
|
_set_error("Expected constant expression");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
if (constant.type != n->get_datatype() || n->get_datatype_name() != struct_name) {
|
|
_set_error("Invalid assignment of '" + (n->get_datatype() == TYPE_STRUCT ? n->get_datatype_name() : get_datatype_name(n->get_datatype())) + "' to '" + (is_struct ? String(struct_name) : get_datatype_name(constant.type)) + "'");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
tk = _get_token();
|
|
if (tk.type == TK_COMMA) {
|
|
decl.initializer.push_back(n);
|
|
continue;
|
|
} else if (!curly && tk.type == TK_PARENTHESIS_CLOSE) {
|
|
decl.initializer.push_back(n);
|
|
break;
|
|
} else if (curly && tk.type == TK_CURLY_BRACKET_CLOSE) {
|
|
decl.initializer.push_back(n);
|
|
break;
|
|
} else {
|
|
if (curly)
|
|
_set_error("Expected '}' or ','");
|
|
else
|
|
_set_error("Expected ')' or ','");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
}
|
|
if (unknown_size) {
|
|
decl.size = decl.initializer.size();
|
|
constant.array_size = decl.initializer.size();
|
|
} else if (decl.initializer.size() != constant.array_size) {
|
|
_set_error("Array size mismatch");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
}
|
|
|
|
ConstantNode *expr = memnew(ConstantNode);
|
|
|
|
expr->datatype = constant.type;
|
|
|
|
expr->struct_name = constant.type_str;
|
|
|
|
expr->array_size = constant.array_size;
|
|
|
|
expr->array_declarations.push_back(decl);
|
|
|
|
constant.initializer = static_cast<ConstantNode *>(expr);
|
|
} else {
|
|
//variable created with assignment! must parse an expression
|
|
Node *expr = _parse_and_reduce_expression(NULL, FunctionInfo());
|
|
if (!expr)
|
|
return ERR_PARSE_ERROR;
|
|
if (expr->type == Node::TYPE_OPERATOR && ((OperatorNode *)expr)->op == OP_CALL) {
|
|
_set_error("Expected constant expression after '='");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
constant.initializer = static_cast<ConstantNode *>(expr);
|
|
|
|
if (type != expr->get_datatype() || expr->get_datatype_name() != struct_name) {
|
|
_set_error("Invalid assignment of '" + (expr->get_datatype() == TYPE_STRUCT ? expr->get_datatype_name() : get_datatype_name(expr->get_datatype())) + "' to '" + (is_struct ? String(struct_name) : get_datatype_name(type)) + "'");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
}
|
|
tk = _get_token();
|
|
} else {
|
|
if (constant.array_size > 0 || unknown_size) {
|
|
_set_error("Expected array initialization");
|
|
return ERR_PARSE_ERROR;
|
|
} else {
|
|
_set_error("Expected initialization of constant");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
}
|
|
|
|
shader->constants[name] = constant;
|
|
shader->vconstants.push_back(constant);
|
|
|
|
if (tk.type == TK_COMMA) {
|
|
tk = _get_token();
|
|
if (tk.type != TK_IDENTIFIER) {
|
|
_set_error("Expected identifier after type");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
name = tk.text;
|
|
if (_find_identifier(nullptr, false, FunctionInfo(), name)) {
|
|
_set_error("Redefinition of '" + String(name) + "'");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
if (has_builtin(p_functions, name)) {
|
|
_set_error("Redefinition of '" + String(name) + "'");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
tk = _get_token();
|
|
|
|
} else if (tk.type == TK_SEMICOLON) {
|
|
break;
|
|
} else {
|
|
_set_error("Expected ',' or ';' after constant");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
FunctionInfo builtins;
|
|
if (p_functions.has(name)) {
|
|
builtins = p_functions[name];
|
|
}
|
|
|
|
if (p_functions.has("global")) { // Adds global variables: 'TIME'
|
|
for (Map<StringName, BuiltInInfo>::Element *E = p_functions["global"].built_ins.front(); E; E = E->next()) {
|
|
builtins.built_ins.insert(E->key(), E->value());
|
|
}
|
|
}
|
|
|
|
ShaderNode::Function function;
|
|
|
|
function.callable = !p_functions.has(name);
|
|
function.name = name;
|
|
|
|
FunctionNode *func_node = alloc_node<FunctionNode>();
|
|
|
|
function.function = func_node;
|
|
|
|
shader->functions.push_back(function);
|
|
|
|
func_node->name = name;
|
|
func_node->return_type = type;
|
|
func_node->return_struct_name = struct_name;
|
|
func_node->return_precision = precision;
|
|
|
|
if (p_functions.has(name)) {
|
|
func_node->can_discard = p_functions[name].can_discard;
|
|
}
|
|
|
|
func_node->body = alloc_node<BlockNode>();
|
|
func_node->body->parent_function = func_node;
|
|
|
|
tk = _get_token();
|
|
|
|
while (true) {
|
|
if (tk.type == TK_PARENTHESIS_CLOSE) {
|
|
break;
|
|
}
|
|
|
|
bool is_const = false;
|
|
if (tk.type == TK_CONST) {
|
|
is_const = true;
|
|
tk = _get_token();
|
|
}
|
|
|
|
ArgumentQualifier qualifier = ARGUMENT_QUALIFIER_IN;
|
|
|
|
if (tk.type == TK_ARG_IN) {
|
|
qualifier = ARGUMENT_QUALIFIER_IN;
|
|
tk = _get_token();
|
|
} else if (tk.type == TK_ARG_OUT) {
|
|
if (is_const) {
|
|
_set_error("'out' qualifier cannot be used within a function parameter declared with 'const'.");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
qualifier = ARGUMENT_QUALIFIER_OUT;
|
|
tk = _get_token();
|
|
} else if (tk.type == TK_ARG_INOUT) {
|
|
if (is_const) {
|
|
_set_error("'inout' qualifier cannot be used within a function parameter declared with 'const'.");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
qualifier = ARGUMENT_QUALIFIER_INOUT;
|
|
tk = _get_token();
|
|
}
|
|
|
|
DataType ptype;
|
|
StringName pname;
|
|
StringName param_struct_name;
|
|
DataPrecision pprecision = PRECISION_DEFAULT;
|
|
bool use_precision = false;
|
|
|
|
if (is_token_precision(tk.type)) {
|
|
pprecision = get_token_precision(tk.type);
|
|
tk = _get_token();
|
|
use_precision = true;
|
|
}
|
|
|
|
is_struct = false;
|
|
|
|
if (shader->structs.has(tk.text)) {
|
|
is_struct = true;
|
|
param_struct_name = tk.text;
|
|
if (use_precision) {
|
|
_set_error("Precision modifier cannot be used on structs.");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
}
|
|
|
|
if (!is_struct && !is_token_datatype(tk.type)) {
|
|
_set_error("Expected a valid datatype for argument");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
if (qualifier == ARGUMENT_QUALIFIER_OUT || qualifier == ARGUMENT_QUALIFIER_INOUT) {
|
|
if (is_sampler_type(get_token_datatype(tk.type))) {
|
|
_set_error("Opaque types cannot be output parameters.");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
}
|
|
|
|
if (is_struct) {
|
|
ptype = TYPE_STRUCT;
|
|
} else {
|
|
ptype = get_token_datatype(tk.type);
|
|
if (_validate_datatype(ptype) != OK) {
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
if (ptype == TYPE_VOID) {
|
|
_set_error("void not allowed in argument");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
}
|
|
|
|
tk = _get_token();
|
|
|
|
if (tk.type == TK_BRACKET_OPEN) {
|
|
_set_error("Arrays as parameters are not implemented yet");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
if (tk.type != TK_IDENTIFIER) {
|
|
_set_error("Expected identifier for argument name");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
pname = tk.text;
|
|
|
|
ShaderLanguage::IdentifierType itype;
|
|
if (_find_identifier(func_node->body, false, builtins, pname, (ShaderLanguage::DataType *)nullptr, &itype)) {
|
|
if (itype != IDENTIFIER_FUNCTION) {
|
|
_set_error("Redefinition of '" + String(pname) + "'");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
}
|
|
|
|
if (has_builtin(p_functions, pname)) {
|
|
_set_error("Redefinition of '" + String(pname) + "'");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
FunctionNode::Argument arg;
|
|
arg.type = ptype;
|
|
arg.name = pname;
|
|
arg.type_str = param_struct_name;
|
|
arg.precision = pprecision;
|
|
arg.qualifier = qualifier;
|
|
arg.tex_argument_check = false;
|
|
arg.tex_builtin_check = false;
|
|
arg.tex_argument_filter = FILTER_DEFAULT;
|
|
arg.tex_argument_repeat = REPEAT_DEFAULT;
|
|
arg.is_const = is_const;
|
|
|
|
func_node->arguments.push_back(arg);
|
|
|
|
tk = _get_token();
|
|
if (tk.type == TK_BRACKET_OPEN) {
|
|
_set_error("Arrays as parameters are not implemented yet");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
if (tk.type == TK_COMMA) {
|
|
tk = _get_token();
|
|
//do none and go on
|
|
} else if (tk.type != TK_PARENTHESIS_CLOSE) {
|
|
_set_error("Expected ',' or ')' after identifier");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
}
|
|
|
|
if (p_functions.has(name)) {
|
|
//if one of the core functions, make sure they are of the correct form
|
|
if (func_node->arguments.size() > 0) {
|
|
_set_error("Function '" + String(name) + "' expects no arguments.");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
if (func_node->return_type != TYPE_VOID) {
|
|
_set_error("Function '" + String(name) + "' must be of void return type.");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
}
|
|
|
|
//all good let's parse inside the function!
|
|
tk = _get_token();
|
|
if (tk.type != TK_CURLY_BRACKET_OPEN) {
|
|
_set_error("Expected '{' to begin function");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
current_function = name;
|
|
|
|
Error err = _parse_block(func_node->body, builtins);
|
|
if (err) {
|
|
return err;
|
|
}
|
|
|
|
if (func_node->return_type != DataType::TYPE_VOID) {
|
|
BlockNode *block = func_node->body;
|
|
if (_find_last_flow_op_in_block(block, FlowOperation::FLOW_OP_RETURN) != OK) {
|
|
_set_error("Expected at least one return statement in a non-void function.");
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
}
|
|
current_function = StringName();
|
|
}
|
|
}
|
|
|
|
tk = _get_token();
|
|
}
|
|
|
|
return OK;
|
|
}
|
|
|
|
bool ShaderLanguage::has_builtin(const Map<StringName, ShaderLanguage::FunctionInfo> &p_functions, const StringName &p_name) {
|
|
if (p_functions.has("vertex")) {
|
|
if (p_functions["vertex"].built_ins.has(p_name)) {
|
|
return true;
|
|
}
|
|
}
|
|
if (p_functions.has("fragment")) {
|
|
if (p_functions["fragment"].built_ins.has(p_name)) {
|
|
return true;
|
|
}
|
|
}
|
|
if (p_functions.has("light")) {
|
|
if (p_functions["light"].built_ins.has(p_name)) {
|
|
return true;
|
|
}
|
|
}
|
|
if (p_functions.has("compute")) {
|
|
if (p_functions["compute"].built_ins.has(p_name)) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
Error ShaderLanguage::_find_last_flow_op_in_op(ControlFlowNode *p_flow, FlowOperation p_op) {
|
|
bool found = false;
|
|
|
|
for (int i = p_flow->blocks.size() - 1; i >= 0; i--) {
|
|
if (p_flow->blocks[i]->type == Node::TYPE_BLOCK) {
|
|
BlockNode *last_block = (BlockNode *)p_flow->blocks[i];
|
|
if (_find_last_flow_op_in_block(last_block, p_op) == OK) {
|
|
found = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (found) {
|
|
return OK;
|
|
}
|
|
return FAILED;
|
|
}
|
|
|
|
Error ShaderLanguage::_find_last_flow_op_in_block(BlockNode *p_block, FlowOperation p_op) {
|
|
bool found = false;
|
|
|
|
for (int i = p_block->statements.size() - 1; i >= 0; i--) {
|
|
if (p_block->statements[i]->type == Node::TYPE_CONTROL_FLOW) {
|
|
ControlFlowNode *flow = (ControlFlowNode *)p_block->statements[i];
|
|
if (flow->flow_op == p_op) {
|
|
found = true;
|
|
break;
|
|
} else {
|
|
if (_find_last_flow_op_in_op(flow, p_op) == OK) {
|
|
found = true;
|
|
break;
|
|
}
|
|
}
|
|
} else if (p_block->statements[i]->type == Node::TYPE_BLOCK) {
|
|
BlockNode *block = (BlockNode *)p_block->statements[i];
|
|
if (_find_last_flow_op_in_block(block, p_op) == OK) {
|
|
found = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (found) {
|
|
return OK;
|
|
}
|
|
return FAILED;
|
|
}
|
|
|
|
// skips over whitespace and /* */ and // comments
|
|
static int _get_first_ident_pos(const String &p_code) {
|
|
int idx = 0;
|
|
|
|
#define GETCHAR(m_idx) (((idx + m_idx) < p_code.length()) ? p_code[idx + m_idx] : char32_t(0))
|
|
|
|
while (true) {
|
|
if (GETCHAR(0) == '/' && GETCHAR(1) == '/') {
|
|
idx += 2;
|
|
while (true) {
|
|
if (GETCHAR(0) == 0) {
|
|
return 0;
|
|
}
|
|
if (GETCHAR(0) == '\n') {
|
|
idx++;
|
|
break; // loop
|
|
}
|
|
idx++;
|
|
}
|
|
} else if (GETCHAR(0) == '/' && GETCHAR(1) == '*') {
|
|
idx += 2;
|
|
while (true) {
|
|
if (GETCHAR(0) == 0) {
|
|
return 0;
|
|
}
|
|
if (GETCHAR(0) == '*' && GETCHAR(1) == '/') {
|
|
idx += 2;
|
|
break; // loop
|
|
}
|
|
idx++;
|
|
}
|
|
} else {
|
|
switch (GETCHAR(0)) {
|
|
case ' ':
|
|
case '\t':
|
|
case '\r':
|
|
case '\n': {
|
|
idx++;
|
|
} break; // switch
|
|
default:
|
|
return idx;
|
|
}
|
|
}
|
|
}
|
|
|
|
#undef GETCHAR
|
|
}
|
|
|
|
String ShaderLanguage::get_shader_type(const String &p_code) {
|
|
bool reading_type = false;
|
|
|
|
String cur_identifier;
|
|
|
|
for (int i = _get_first_ident_pos(p_code); i < p_code.length(); i++) {
|
|
if (p_code[i] == ';') {
|
|
break;
|
|
|
|
} else if (p_code[i] <= 32) {
|
|
if (cur_identifier != String()) {
|
|
if (!reading_type) {
|
|
if (cur_identifier != "shader_type") {
|
|
return String();
|
|
}
|
|
|
|
reading_type = true;
|
|
cur_identifier = String();
|
|
} else {
|
|
return cur_identifier;
|
|
}
|
|
}
|
|
} else {
|
|
cur_identifier += String::chr(p_code[i]);
|
|
}
|
|
}
|
|
|
|
if (reading_type) {
|
|
return cur_identifier;
|
|
}
|
|
|
|
return String();
|
|
}
|
|
|
|
Error ShaderLanguage::compile(const String &p_code, const Map<StringName, FunctionInfo> &p_functions, const Vector<StringName> &p_render_modes, const Set<String> &p_shader_types, GlobalVariableGetTypeFunc p_global_variable_type_func) {
|
|
clear();
|
|
|
|
code = p_code;
|
|
global_var_get_type_func = p_global_variable_type_func;
|
|
|
|
nodes = nullptr;
|
|
|
|
shader = alloc_node<ShaderNode>();
|
|
Error err = _parse_shader(p_functions, p_render_modes, p_shader_types);
|
|
|
|
if (err != OK) {
|
|
return err;
|
|
}
|
|
return OK;
|
|
}
|
|
|
|
Error ShaderLanguage::complete(const String &p_code, const Map<StringName, FunctionInfo> &p_functions, const Vector<StringName> &p_render_modes, const Set<String> &p_shader_types, GlobalVariableGetTypeFunc p_global_variable_type_func, List<ScriptCodeCompletionOption> *r_options, String &r_call_hint) {
|
|
clear();
|
|
|
|
code = p_code;
|
|
|
|
nodes = nullptr;
|
|
global_var_get_type_func = p_global_variable_type_func;
|
|
|
|
shader = alloc_node<ShaderNode>();
|
|
_parse_shader(p_functions, p_render_modes, p_shader_types);
|
|
|
|
switch (completion_type) {
|
|
case COMPLETION_NONE: {
|
|
//do nothing
|
|
return OK;
|
|
} break;
|
|
case COMPLETION_RENDER_MODE: {
|
|
for (int i = 0; i < p_render_modes.size(); i++) {
|
|
ScriptCodeCompletionOption option(p_render_modes[i], ScriptCodeCompletionOption::KIND_ENUM);
|
|
r_options->push_back(option);
|
|
}
|
|
|
|
return OK;
|
|
} break;
|
|
case COMPLETION_STRUCT: {
|
|
if (shader->structs.has(completion_struct)) {
|
|
StructNode *node = shader->structs[completion_struct].shader_struct;
|
|
for (int i = 0; i < node->members.size(); i++) {
|
|
ScriptCodeCompletionOption option(node->members[i]->name, ScriptCodeCompletionOption::KIND_MEMBER);
|
|
r_options->push_back(option);
|
|
}
|
|
}
|
|
|
|
return OK;
|
|
} break;
|
|
case COMPLETION_MAIN_FUNCTION: {
|
|
for (const Map<StringName, FunctionInfo>::Element *E = p_functions.front(); E; E = E->next()) {
|
|
ScriptCodeCompletionOption option(E->key(), ScriptCodeCompletionOption::KIND_FUNCTION);
|
|
r_options->push_back(option);
|
|
}
|
|
|
|
return OK;
|
|
} break;
|
|
case COMPLETION_IDENTIFIER:
|
|
case COMPLETION_FUNCTION_CALL: {
|
|
bool comp_ident = completion_type == COMPLETION_IDENTIFIER;
|
|
Map<String, ScriptCodeCompletionOption::Kind> matches;
|
|
StringName skip_function;
|
|
BlockNode *block = completion_block;
|
|
|
|
if (completion_class == TAG_GLOBAL) {
|
|
while (block) {
|
|
if (comp_ident) {
|
|
for (const Map<StringName, BlockNode::Variable>::Element *E = block->variables.front(); E; E = E->next()) {
|
|
if (E->get().line < completion_line) {
|
|
matches.insert(E->key(), ScriptCodeCompletionOption::KIND_VARIABLE);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (block->parent_function) {
|
|
if (comp_ident) {
|
|
for (int i = 0; i < block->parent_function->arguments.size(); i++) {
|
|
matches.insert(block->parent_function->arguments[i].name, ScriptCodeCompletionOption::KIND_VARIABLE);
|
|
}
|
|
}
|
|
skip_function = block->parent_function->name;
|
|
}
|
|
block = block->parent_block;
|
|
}
|
|
|
|
if (comp_ident) {
|
|
if (p_functions.has("global")) {
|
|
for (Map<StringName, BuiltInInfo>::Element *E = p_functions["global"].built_ins.front(); E; E = E->next()) {
|
|
ScriptCodeCompletionOption::Kind kind = ScriptCodeCompletionOption::KIND_MEMBER;
|
|
if (E->get().constant) {
|
|
kind = ScriptCodeCompletionOption::KIND_CONSTANT;
|
|
}
|
|
matches.insert(E->key(), kind);
|
|
}
|
|
}
|
|
|
|
if (skip_function != StringName() && p_functions.has(skip_function)) {
|
|
for (Map<StringName, BuiltInInfo>::Element *E = p_functions[skip_function].built_ins.front(); E; E = E->next()) {
|
|
ScriptCodeCompletionOption::Kind kind = ScriptCodeCompletionOption::KIND_MEMBER;
|
|
if (E->get().constant) {
|
|
kind = ScriptCodeCompletionOption::KIND_CONSTANT;
|
|
}
|
|
matches.insert(E->key(), kind);
|
|
}
|
|
}
|
|
|
|
for (const Map<StringName, ShaderNode::Varying>::Element *E = shader->varyings.front(); E; E = E->next()) {
|
|
matches.insert(E->key(), ScriptCodeCompletionOption::KIND_VARIABLE);
|
|
}
|
|
for (const Map<StringName, ShaderNode::Uniform>::Element *E = shader->uniforms.front(); E; E = E->next()) {
|
|
matches.insert(E->key(), ScriptCodeCompletionOption::KIND_MEMBER);
|
|
}
|
|
}
|
|
|
|
for (int i = 0; i < shader->functions.size(); i++) {
|
|
if (!shader->functions[i].callable || shader->functions[i].name == skip_function) {
|
|
continue;
|
|
}
|
|
matches.insert(String(shader->functions[i].name), ScriptCodeCompletionOption::KIND_FUNCTION);
|
|
}
|
|
|
|
int idx = 0;
|
|
bool low_end = RenderingServer::get_singleton()->is_low_end();
|
|
|
|
if (stages && stages->has(skip_function)) {
|
|
for (const Map<StringName, StageFunctionInfo>::Element *E = (*stages)[skip_function].stage_functions.front(); E; E = E->next()) {
|
|
matches.insert(String(E->key()), ScriptCodeCompletionOption::KIND_FUNCTION);
|
|
}
|
|
}
|
|
|
|
while (builtin_func_defs[idx].name) {
|
|
if (low_end && builtin_func_defs[idx].high_end) {
|
|
idx++;
|
|
continue;
|
|
}
|
|
matches.insert(String(builtin_func_defs[idx].name), ScriptCodeCompletionOption::KIND_FUNCTION);
|
|
idx++;
|
|
}
|
|
|
|
} else { // sub-class
|
|
int idx = 0;
|
|
bool low_end = RenderingServer::get_singleton()->is_low_end();
|
|
|
|
while (builtin_func_defs[idx].name) {
|
|
if (low_end && builtin_func_defs[idx].high_end) {
|
|
idx++;
|
|
continue;
|
|
}
|
|
if (builtin_func_defs[idx].tag == completion_class) {
|
|
matches.insert(String(builtin_func_defs[idx].name), ScriptCodeCompletionOption::KIND_FUNCTION);
|
|
}
|
|
idx++;
|
|
}
|
|
}
|
|
|
|
for (Map<String, ScriptCodeCompletionOption::Kind>::Element *E = matches.front(); E; E = E->next()) {
|
|
ScriptCodeCompletionOption option(E->key(), E->value());
|
|
if (E->value() == ScriptCodeCompletionOption::KIND_FUNCTION) {
|
|
option.insert_text += "(";
|
|
}
|
|
r_options->push_back(option);
|
|
}
|
|
|
|
return OK;
|
|
} break;
|
|
case COMPLETION_CALL_ARGUMENTS: {
|
|
StringName block_function;
|
|
BlockNode *block = completion_block;
|
|
|
|
while (block) {
|
|
if (block->parent_function) {
|
|
block_function = block->parent_function->name;
|
|
}
|
|
block = block->parent_block;
|
|
}
|
|
|
|
for (int i = 0; i < shader->functions.size(); i++) {
|
|
if (!shader->functions[i].callable) {
|
|
continue;
|
|
}
|
|
if (shader->functions[i].name == completion_function) {
|
|
String calltip;
|
|
|
|
calltip += get_datatype_name(shader->functions[i].function->return_type);
|
|
calltip += " ";
|
|
calltip += shader->functions[i].name;
|
|
calltip += "(";
|
|
|
|
for (int j = 0; j < shader->functions[i].function->arguments.size(); j++) {
|
|
if (j > 0) {
|
|
calltip += ", ";
|
|
} else {
|
|
calltip += " ";
|
|
}
|
|
|
|
if (j == completion_argument) {
|
|
calltip += char32_t(0xFFFF);
|
|
}
|
|
|
|
if (shader->functions[i].function->arguments[j].is_const) {
|
|
calltip += "const ";
|
|
}
|
|
|
|
if (shader->functions[i].function->arguments[j].qualifier != ArgumentQualifier::ARGUMENT_QUALIFIER_IN) {
|
|
if (shader->functions[i].function->arguments[j].qualifier == ArgumentQualifier::ARGUMENT_QUALIFIER_OUT) {
|
|
calltip += "out ";
|
|
} else { // ArgumentQualifier::ARGUMENT_QUALIFIER_INOUT
|
|
calltip += "inout ";
|
|
}
|
|
}
|
|
|
|
calltip += get_datatype_name(shader->functions[i].function->arguments[j].type);
|
|
calltip += " ";
|
|
calltip += shader->functions[i].function->arguments[j].name;
|
|
|
|
if (j == completion_argument) {
|
|
calltip += char32_t(0xFFFF);
|
|
}
|
|
}
|
|
|
|
if (shader->functions[i].function->arguments.size()) {
|
|
calltip += " ";
|
|
}
|
|
calltip += ")";
|
|
|
|
r_call_hint = calltip;
|
|
return OK;
|
|
}
|
|
}
|
|
|
|
int idx = 0;
|
|
|
|
String calltip;
|
|
bool low_end = RenderingServer::get_singleton()->is_low_end();
|
|
|
|
if (stages && stages->has(block_function)) {
|
|
for (const Map<StringName, StageFunctionInfo>::Element *E = (*stages)[block_function].stage_functions.front(); E; E = E->next()) {
|
|
if (completion_function == E->key()) {
|
|
calltip += get_datatype_name(E->get().return_type);
|
|
calltip += " ";
|
|
calltip += E->key();
|
|
calltip += "(";
|
|
|
|
for (int i = 0; i < E->get().arguments.size(); i++) {
|
|
if (i > 0) {
|
|
calltip += ", ";
|
|
} else {
|
|
calltip += " ";
|
|
}
|
|
|
|
if (i == completion_argument) {
|
|
calltip += char32_t(0xFFFF);
|
|
}
|
|
|
|
calltip += get_datatype_name(E->get().arguments[i].type);
|
|
calltip += " ";
|
|
calltip += E->get().arguments[i].name;
|
|
|
|
if (i == completion_argument) {
|
|
calltip += char32_t(0xFFFF);
|
|
}
|
|
}
|
|
|
|
if (E->get().arguments.size()) {
|
|
calltip += " ";
|
|
}
|
|
calltip += ")";
|
|
|
|
r_call_hint = calltip;
|
|
return OK;
|
|
}
|
|
}
|
|
}
|
|
|
|
while (builtin_func_defs[idx].name) {
|
|
if (low_end && builtin_func_defs[idx].high_end) {
|
|
idx++;
|
|
continue;
|
|
}
|
|
|
|
int idx2 = 0;
|
|
int out_arg = -1;
|
|
while (builtin_func_out_args[idx2].name != nullptr) {
|
|
if (builtin_func_out_args[idx2].name == builtin_func_defs[idx].name) {
|
|
out_arg = builtin_func_out_args[idx2].argument;
|
|
break;
|
|
}
|
|
idx2++;
|
|
}
|
|
|
|
if (completion_function == builtin_func_defs[idx].name) {
|
|
if (builtin_func_defs[idx].tag != completion_class) {
|
|
idx++;
|
|
continue;
|
|
}
|
|
|
|
if (calltip.length()) {
|
|
calltip += "\n";
|
|
}
|
|
|
|
calltip += get_datatype_name(builtin_func_defs[idx].rettype);
|
|
calltip += " ";
|
|
calltip += builtin_func_defs[idx].name;
|
|
calltip += "(";
|
|
|
|
bool found_arg = false;
|
|
for (int i = 0; i < BuiltinFuncDef::MAX_ARGS - 1; i++) {
|
|
if (builtin_func_defs[idx].args[i] == TYPE_VOID) {
|
|
break;
|
|
}
|
|
|
|
if (i > 0) {
|
|
calltip += ", ";
|
|
} else {
|
|
calltip += " ";
|
|
}
|
|
|
|
if (i == completion_argument) {
|
|
calltip += char32_t(0xFFFF);
|
|
}
|
|
|
|
if (out_arg >= 0 && i == out_arg) {
|
|
calltip += "out ";
|
|
}
|
|
|
|
calltip += get_datatype_name(builtin_func_defs[idx].args[i]);
|
|
|
|
if (i == completion_argument) {
|
|
calltip += char32_t(0xFFFF);
|
|
}
|
|
|
|
found_arg = true;
|
|
}
|
|
|
|
if (found_arg) {
|
|
calltip += " ";
|
|
}
|
|
calltip += ")";
|
|
}
|
|
idx++;
|
|
}
|
|
|
|
r_call_hint = calltip;
|
|
|
|
return OK;
|
|
|
|
} break;
|
|
case COMPLETION_INDEX: {
|
|
const char colv[4] = { 'r', 'g', 'b', 'a' };
|
|
const char coordv[4] = { 'x', 'y', 'z', 'w' };
|
|
const char coordt[4] = { 's', 't', 'p', 'q' };
|
|
|
|
int limit = 0;
|
|
|
|
switch (completion_base) {
|
|
case TYPE_BVEC2:
|
|
case TYPE_IVEC2:
|
|
case TYPE_UVEC2:
|
|
case TYPE_VEC2: {
|
|
limit = 2;
|
|
|
|
} break;
|
|
case TYPE_BVEC3:
|
|
case TYPE_IVEC3:
|
|
case TYPE_UVEC3:
|
|
case TYPE_VEC3: {
|
|
limit = 3;
|
|
|
|
} break;
|
|
case TYPE_BVEC4:
|
|
case TYPE_IVEC4:
|
|
case TYPE_UVEC4:
|
|
case TYPE_VEC4: {
|
|
limit = 4;
|
|
|
|
} break;
|
|
case TYPE_MAT2:
|
|
limit = 2;
|
|
break;
|
|
case TYPE_MAT3:
|
|
limit = 3;
|
|
break;
|
|
case TYPE_MAT4:
|
|
limit = 4;
|
|
break;
|
|
default: {
|
|
}
|
|
}
|
|
|
|
for (int i = 0; i < limit; i++) {
|
|
r_options->push_back(ScriptCodeCompletionOption(String::chr(colv[i]), ScriptCodeCompletionOption::KIND_PLAIN_TEXT));
|
|
r_options->push_back(ScriptCodeCompletionOption(String::chr(coordv[i]), ScriptCodeCompletionOption::KIND_PLAIN_TEXT));
|
|
r_options->push_back(ScriptCodeCompletionOption(String::chr(coordt[i]), ScriptCodeCompletionOption::KIND_PLAIN_TEXT));
|
|
}
|
|
|
|
} break;
|
|
}
|
|
|
|
return ERR_PARSE_ERROR;
|
|
}
|
|
|
|
String ShaderLanguage::get_error_text() {
|
|
return error_str;
|
|
}
|
|
|
|
int ShaderLanguage::get_error_line() {
|
|
return error_line;
|
|
}
|
|
|
|
ShaderLanguage::ShaderNode *ShaderLanguage::get_shader() {
|
|
return shader;
|
|
}
|
|
|
|
ShaderLanguage::ShaderLanguage() {
|
|
nodes = nullptr;
|
|
completion_class = TAG_GLOBAL;
|
|
}
|
|
|
|
ShaderLanguage::~ShaderLanguage() {
|
|
clear();
|
|
}
|