706 lines
16 KiB
C++
706 lines
16 KiB
C++
/*************************************************************************/
|
|
/* shader_language.h */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md) */
|
|
/* */
|
|
/* Permission is hereby granted, free of charge, to any person obtaining */
|
|
/* a copy of this software and associated documentation files (the */
|
|
/* "Software"), to deal in the Software without restriction, including */
|
|
/* without limitation the rights to use, copy, modify, merge, publish, */
|
|
/* distribute, sublicense, and/or sell copies of the Software, and to */
|
|
/* permit persons to whom the Software is furnished to do so, subject to */
|
|
/* the following conditions: */
|
|
/* */
|
|
/* The above copyright notice and this permission notice shall be */
|
|
/* included in all copies or substantial portions of the Software. */
|
|
/* */
|
|
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
|
|
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
|
|
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
|
|
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
|
|
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
|
|
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
|
|
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
|
|
/*************************************************************************/
|
|
|
|
#ifndef SHADER_LANGUAGE_H
|
|
#define SHADER_LANGUAGE_H
|
|
|
|
#include "core/list.h"
|
|
#include "core/map.h"
|
|
#include "core/string_name.h"
|
|
#include "core/typedefs.h"
|
|
#include "core/ustring.h"
|
|
#include "core/variant.h"
|
|
|
|
class ShaderLanguage {
|
|
|
|
public:
|
|
enum TokenType {
|
|
TK_EMPTY,
|
|
TK_IDENTIFIER,
|
|
TK_TRUE,
|
|
TK_FALSE,
|
|
TK_REAL_CONSTANT,
|
|
TK_INT_CONSTANT,
|
|
TK_TYPE_VOID,
|
|
TK_TYPE_BOOL,
|
|
TK_TYPE_BVEC2,
|
|
TK_TYPE_BVEC3,
|
|
TK_TYPE_BVEC4,
|
|
TK_TYPE_INT,
|
|
TK_TYPE_IVEC2,
|
|
TK_TYPE_IVEC3,
|
|
TK_TYPE_IVEC4,
|
|
TK_TYPE_UINT,
|
|
TK_TYPE_UVEC2,
|
|
TK_TYPE_UVEC3,
|
|
TK_TYPE_UVEC4,
|
|
TK_TYPE_FLOAT,
|
|
TK_TYPE_VEC2,
|
|
TK_TYPE_VEC3,
|
|
TK_TYPE_VEC4,
|
|
TK_TYPE_MAT2,
|
|
TK_TYPE_MAT3,
|
|
TK_TYPE_MAT4,
|
|
TK_TYPE_SAMPLER2D,
|
|
TK_TYPE_ISAMPLER2D,
|
|
TK_TYPE_USAMPLER2D,
|
|
TK_TYPE_SAMPLER2DARRAY,
|
|
TK_TYPE_ISAMPLER2DARRAY,
|
|
TK_TYPE_USAMPLER2DARRAY,
|
|
TK_TYPE_SAMPLER3D,
|
|
TK_TYPE_ISAMPLER3D,
|
|
TK_TYPE_USAMPLER3D,
|
|
TK_TYPE_SAMPLERCUBE,
|
|
TK_INTERPOLATION_FLAT,
|
|
TK_INTERPOLATION_SMOOTH,
|
|
TK_CONST,
|
|
TK_PRECISION_LOW,
|
|
TK_PRECISION_MID,
|
|
TK_PRECISION_HIGH,
|
|
TK_OP_EQUAL,
|
|
TK_OP_NOT_EQUAL,
|
|
TK_OP_LESS,
|
|
TK_OP_LESS_EQUAL,
|
|
TK_OP_GREATER,
|
|
TK_OP_GREATER_EQUAL,
|
|
TK_OP_AND,
|
|
TK_OP_OR,
|
|
TK_OP_NOT,
|
|
TK_OP_ADD,
|
|
TK_OP_SUB,
|
|
TK_OP_MUL,
|
|
TK_OP_DIV,
|
|
TK_OP_MOD,
|
|
TK_OP_SHIFT_LEFT,
|
|
TK_OP_SHIFT_RIGHT,
|
|
TK_OP_ASSIGN,
|
|
TK_OP_ASSIGN_ADD,
|
|
TK_OP_ASSIGN_SUB,
|
|
TK_OP_ASSIGN_MUL,
|
|
TK_OP_ASSIGN_DIV,
|
|
TK_OP_ASSIGN_MOD,
|
|
TK_OP_ASSIGN_SHIFT_LEFT,
|
|
TK_OP_ASSIGN_SHIFT_RIGHT,
|
|
TK_OP_ASSIGN_BIT_AND,
|
|
TK_OP_ASSIGN_BIT_OR,
|
|
TK_OP_ASSIGN_BIT_XOR,
|
|
TK_OP_BIT_AND,
|
|
TK_OP_BIT_OR,
|
|
TK_OP_BIT_XOR,
|
|
TK_OP_BIT_INVERT,
|
|
TK_OP_INCREMENT,
|
|
TK_OP_DECREMENT,
|
|
TK_CF_IF,
|
|
TK_CF_ELSE,
|
|
TK_CF_FOR,
|
|
TK_CF_WHILE,
|
|
TK_CF_DO,
|
|
TK_CF_SWITCH,
|
|
TK_CF_CASE,
|
|
TK_CF_BREAK,
|
|
TK_CF_CONTINUE,
|
|
TK_CF_RETURN,
|
|
TK_CF_DISCARD,
|
|
TK_BRACKET_OPEN,
|
|
TK_BRACKET_CLOSE,
|
|
TK_CURLY_BRACKET_OPEN,
|
|
TK_CURLY_BRACKET_CLOSE,
|
|
TK_PARENTHESIS_OPEN,
|
|
TK_PARENTHESIS_CLOSE,
|
|
TK_QUESTION,
|
|
TK_COMMA,
|
|
TK_COLON,
|
|
TK_SEMICOLON,
|
|
TK_PERIOD,
|
|
TK_UNIFORM,
|
|
TK_VARYING,
|
|
TK_ARG_IN,
|
|
TK_ARG_OUT,
|
|
TK_ARG_INOUT,
|
|
TK_RENDER_MODE,
|
|
TK_HINT_WHITE_TEXTURE,
|
|
TK_HINT_BLACK_TEXTURE,
|
|
TK_HINT_NORMAL_TEXTURE,
|
|
TK_HINT_ANISO_TEXTURE,
|
|
TK_HINT_ALBEDO_TEXTURE,
|
|
TK_HINT_BLACK_ALBEDO_TEXTURE,
|
|
TK_HINT_COLOR,
|
|
TK_HINT_RANGE,
|
|
TK_SHADER_TYPE,
|
|
TK_CURSOR,
|
|
TK_ERROR,
|
|
TK_EOF,
|
|
TK_MAX
|
|
};
|
|
|
|
/* COMPILER */
|
|
|
|
// lame work around to Apple defining this as a macro in 10.12 SDK
|
|
#ifdef TYPE_BOOL
|
|
#undef TYPE_BOOL
|
|
#endif
|
|
|
|
enum DataType {
|
|
TYPE_VOID,
|
|
TYPE_BOOL,
|
|
TYPE_BVEC2,
|
|
TYPE_BVEC3,
|
|
TYPE_BVEC4,
|
|
TYPE_INT,
|
|
TYPE_IVEC2,
|
|
TYPE_IVEC3,
|
|
TYPE_IVEC4,
|
|
TYPE_UINT,
|
|
TYPE_UVEC2,
|
|
TYPE_UVEC3,
|
|
TYPE_UVEC4,
|
|
TYPE_FLOAT,
|
|
TYPE_VEC2,
|
|
TYPE_VEC3,
|
|
TYPE_VEC4,
|
|
TYPE_MAT2,
|
|
TYPE_MAT3,
|
|
TYPE_MAT4,
|
|
TYPE_SAMPLER2D,
|
|
TYPE_ISAMPLER2D,
|
|
TYPE_USAMPLER2D,
|
|
TYPE_SAMPLER2DARRAY,
|
|
TYPE_ISAMPLER2DARRAY,
|
|
TYPE_USAMPLER2DARRAY,
|
|
TYPE_SAMPLER3D,
|
|
TYPE_ISAMPLER3D,
|
|
TYPE_USAMPLER3D,
|
|
TYPE_SAMPLERCUBE,
|
|
};
|
|
|
|
enum DataPrecision {
|
|
PRECISION_LOWP,
|
|
PRECISION_MEDIUMP,
|
|
PRECISION_HIGHP,
|
|
PRECISION_DEFAULT,
|
|
};
|
|
|
|
enum DataInterpolation {
|
|
INTERPOLATION_FLAT,
|
|
INTERPOLATION_SMOOTH,
|
|
};
|
|
|
|
enum Operator {
|
|
OP_EQUAL,
|
|
OP_NOT_EQUAL,
|
|
OP_LESS,
|
|
OP_LESS_EQUAL,
|
|
OP_GREATER,
|
|
OP_GREATER_EQUAL,
|
|
OP_AND,
|
|
OP_OR,
|
|
OP_NOT,
|
|
OP_NEGATE,
|
|
OP_ADD,
|
|
OP_SUB,
|
|
OP_MUL,
|
|
OP_DIV,
|
|
OP_MOD,
|
|
OP_SHIFT_LEFT,
|
|
OP_SHIFT_RIGHT,
|
|
OP_ASSIGN,
|
|
OP_ASSIGN_ADD,
|
|
OP_ASSIGN_SUB,
|
|
OP_ASSIGN_MUL,
|
|
OP_ASSIGN_DIV,
|
|
OP_ASSIGN_MOD,
|
|
OP_ASSIGN_SHIFT_LEFT,
|
|
OP_ASSIGN_SHIFT_RIGHT,
|
|
OP_ASSIGN_BIT_AND,
|
|
OP_ASSIGN_BIT_OR,
|
|
OP_ASSIGN_BIT_XOR,
|
|
OP_BIT_AND,
|
|
OP_BIT_OR,
|
|
OP_BIT_XOR,
|
|
OP_BIT_INVERT,
|
|
OP_INCREMENT,
|
|
OP_DECREMENT,
|
|
OP_SELECT_IF,
|
|
OP_SELECT_ELSE, //used only internally, then only IF appears with 3 arguments
|
|
OP_POST_INCREMENT,
|
|
OP_POST_DECREMENT,
|
|
OP_CALL,
|
|
OP_CONSTRUCT,
|
|
OP_INDEX,
|
|
OP_MAX
|
|
};
|
|
|
|
enum FlowOperation {
|
|
FLOW_OP_IF,
|
|
FLOW_OP_RETURN,
|
|
FLOW_OP_FOR,
|
|
FLOW_OP_WHILE,
|
|
FLOW_OP_DO,
|
|
FLOW_OP_BREAK,
|
|
FLOW_OP_SWITCH,
|
|
FLOW_OP_CONTINUE,
|
|
FLOW_OP_DISCARD
|
|
};
|
|
|
|
enum ArgumentQualifier {
|
|
ARGUMENT_QUALIFIER_IN,
|
|
ARGUMENT_QUALIFIER_OUT,
|
|
ARGUMENT_QUALIFIER_INOUT,
|
|
};
|
|
|
|
struct Node {
|
|
Node *next;
|
|
|
|
enum Type {
|
|
TYPE_SHADER,
|
|
TYPE_FUNCTION,
|
|
TYPE_BLOCK,
|
|
TYPE_VARIABLE,
|
|
TYPE_VARIABLE_DECLARATION,
|
|
TYPE_CONSTANT,
|
|
TYPE_OPERATOR,
|
|
TYPE_CONTROL_FLOW,
|
|
TYPE_MEMBER
|
|
};
|
|
|
|
Type type;
|
|
|
|
virtual DataType get_datatype() const { return TYPE_VOID; }
|
|
Node(Type t) :
|
|
next(NULL),
|
|
type(t) {}
|
|
virtual ~Node() {}
|
|
};
|
|
|
|
template <class T>
|
|
T *alloc_node() {
|
|
T *node = memnew(T);
|
|
node->next = nodes;
|
|
nodes = node;
|
|
return node;
|
|
}
|
|
|
|
Node *nodes;
|
|
|
|
struct OperatorNode : public Node {
|
|
DataType return_cache;
|
|
DataPrecision return_precision_cache;
|
|
Operator op;
|
|
Vector<Node *> arguments;
|
|
virtual DataType get_datatype() const { return return_cache; }
|
|
|
|
OperatorNode() :
|
|
Node(TYPE_OPERATOR),
|
|
return_cache(TYPE_VOID),
|
|
return_precision_cache(PRECISION_DEFAULT),
|
|
op(OP_EQUAL) {}
|
|
};
|
|
|
|
struct VariableNode : public Node {
|
|
DataType datatype_cache;
|
|
StringName name;
|
|
virtual DataType get_datatype() const { return datatype_cache; }
|
|
|
|
VariableNode() :
|
|
Node(TYPE_VARIABLE),
|
|
datatype_cache(TYPE_VOID) {}
|
|
};
|
|
|
|
struct VariableDeclarationNode : public Node {
|
|
DataPrecision precision;
|
|
DataType datatype;
|
|
|
|
struct Declaration {
|
|
StringName name;
|
|
Node *initializer;
|
|
};
|
|
|
|
Vector<Declaration> declarations;
|
|
virtual DataType get_datatype() const { return datatype; }
|
|
|
|
VariableDeclarationNode() :
|
|
Node(TYPE_VARIABLE_DECLARATION),
|
|
precision(PRECISION_DEFAULT),
|
|
datatype(TYPE_VOID) {}
|
|
};
|
|
|
|
struct ConstantNode : public Node {
|
|
DataType datatype;
|
|
|
|
union Value {
|
|
bool boolean;
|
|
float real;
|
|
int32_t sint;
|
|
uint32_t uint;
|
|
};
|
|
|
|
Vector<Value> values;
|
|
virtual DataType get_datatype() const { return datatype; }
|
|
|
|
ConstantNode() :
|
|
Node(TYPE_CONSTANT),
|
|
datatype(TYPE_VOID) {}
|
|
};
|
|
|
|
struct FunctionNode;
|
|
|
|
struct BlockNode : public Node {
|
|
FunctionNode *parent_function;
|
|
BlockNode *parent_block;
|
|
|
|
struct Variable {
|
|
DataType type;
|
|
DataPrecision precision;
|
|
int line; //for completion
|
|
};
|
|
|
|
Map<StringName, Variable> variables;
|
|
List<Node *> statements;
|
|
bool single_statement;
|
|
|
|
BlockNode() :
|
|
Node(TYPE_BLOCK),
|
|
parent_function(NULL),
|
|
parent_block(NULL),
|
|
single_statement(false) {}
|
|
};
|
|
|
|
struct ControlFlowNode : public Node {
|
|
FlowOperation flow_op;
|
|
Vector<Node *> expressions;
|
|
Vector<BlockNode *> blocks;
|
|
|
|
ControlFlowNode() :
|
|
Node(TYPE_CONTROL_FLOW),
|
|
flow_op(FLOW_OP_IF) {}
|
|
};
|
|
|
|
struct MemberNode : public Node {
|
|
DataType basetype;
|
|
DataType datatype;
|
|
StringName name;
|
|
Node *owner;
|
|
|
|
virtual DataType get_datatype() const { return datatype; }
|
|
|
|
MemberNode() :
|
|
Node(TYPE_MEMBER),
|
|
basetype(TYPE_VOID),
|
|
datatype(TYPE_VOID),
|
|
owner(NULL) {}
|
|
};
|
|
|
|
struct FunctionNode : public Node {
|
|
struct Argument {
|
|
ArgumentQualifier qualifier;
|
|
StringName name;
|
|
DataType type;
|
|
DataPrecision precision;
|
|
};
|
|
|
|
StringName name;
|
|
DataType return_type;
|
|
DataPrecision return_precision;
|
|
Vector<Argument> arguments;
|
|
BlockNode *body;
|
|
bool can_discard;
|
|
|
|
FunctionNode() :
|
|
Node(TYPE_FUNCTION),
|
|
return_type(TYPE_VOID),
|
|
return_precision(PRECISION_DEFAULT),
|
|
body(NULL),
|
|
can_discard(false) {}
|
|
};
|
|
|
|
struct ShaderNode : public Node {
|
|
|
|
struct Constant {
|
|
DataType type;
|
|
DataPrecision precision;
|
|
ConstantNode *initializer;
|
|
};
|
|
|
|
struct Function {
|
|
StringName name;
|
|
FunctionNode *function;
|
|
Set<StringName> uses_function;
|
|
bool callable;
|
|
};
|
|
|
|
struct Varying {
|
|
DataType type;
|
|
DataInterpolation interpolation;
|
|
DataPrecision precision;
|
|
|
|
Varying() :
|
|
type(TYPE_VOID),
|
|
interpolation(INTERPOLATION_FLAT),
|
|
precision(PRECISION_DEFAULT) {}
|
|
};
|
|
|
|
struct Uniform {
|
|
enum Hint {
|
|
HINT_NONE,
|
|
HINT_COLOR,
|
|
HINT_RANGE,
|
|
HINT_ALBEDO,
|
|
HINT_BLACK_ALBEDO,
|
|
HINT_NORMAL,
|
|
HINT_BLACK,
|
|
HINT_WHITE,
|
|
HINT_ANISO,
|
|
HINT_MAX
|
|
};
|
|
|
|
int order;
|
|
int texture_order;
|
|
DataType type;
|
|
DataPrecision precision;
|
|
Vector<ConstantNode::Value> default_value;
|
|
Hint hint;
|
|
float hint_range[3];
|
|
|
|
Uniform() :
|
|
order(0),
|
|
texture_order(0),
|
|
type(TYPE_VOID),
|
|
precision(PRECISION_DEFAULT),
|
|
hint(HINT_NONE) {
|
|
hint_range[0] = 0.0f;
|
|
hint_range[1] = 1.0f;
|
|
hint_range[2] = 0.001f;
|
|
}
|
|
};
|
|
|
|
Map<StringName, Constant> constants;
|
|
Map<StringName, Varying> varyings;
|
|
Map<StringName, Uniform> uniforms;
|
|
Vector<StringName> render_modes;
|
|
|
|
Vector<Function> functions;
|
|
|
|
ShaderNode() :
|
|
Node(TYPE_SHADER) {}
|
|
};
|
|
|
|
struct Expression {
|
|
bool is_op;
|
|
union {
|
|
Operator op;
|
|
Node *node;
|
|
};
|
|
};
|
|
|
|
struct VarInfo {
|
|
StringName name;
|
|
DataType type;
|
|
};
|
|
|
|
enum CompletionType {
|
|
COMPLETION_NONE,
|
|
COMPLETION_RENDER_MODE,
|
|
COMPLETION_MAIN_FUNCTION,
|
|
COMPLETION_IDENTIFIER,
|
|
COMPLETION_FUNCTION_CALL,
|
|
COMPLETION_CALL_ARGUMENTS,
|
|
COMPLETION_INDEX,
|
|
};
|
|
|
|
struct Token {
|
|
TokenType type;
|
|
StringName text;
|
|
double constant;
|
|
uint16_t line;
|
|
};
|
|
|
|
static String get_operator_text(Operator p_op);
|
|
static String get_token_text(Token p_token);
|
|
|
|
static bool is_token_datatype(TokenType p_type);
|
|
static bool is_token_variable_datatype(TokenType p_type);
|
|
static DataType get_token_datatype(TokenType p_type);
|
|
static bool is_token_interpolation(TokenType p_type);
|
|
static DataInterpolation get_token_interpolation(TokenType p_type);
|
|
static bool is_token_precision(TokenType p_type);
|
|
static DataPrecision get_token_precision(TokenType p_type);
|
|
static String get_datatype_name(DataType p_type);
|
|
static bool is_token_nonvoid_datatype(TokenType p_type);
|
|
static bool is_token_operator(TokenType p_type);
|
|
|
|
static bool convert_constant(ConstantNode *p_constant, DataType p_to_type, ConstantNode::Value *p_value = NULL);
|
|
static DataType get_scalar_type(DataType p_type);
|
|
static int get_cardinality(DataType p_type);
|
|
static bool is_scalar_type(DataType p_type);
|
|
static bool is_sampler_type(DataType p_type);
|
|
static Variant constant_value_to_variant(const Vector<ShaderLanguage::ConstantNode::Value> &p_value, DataType p_type, ShaderLanguage::ShaderNode::Uniform::Hint p_hint = ShaderLanguage::ShaderNode::Uniform::HINT_NONE);
|
|
|
|
static void get_keyword_list(List<String> *r_keywords);
|
|
static void get_builtin_funcs(List<String> *r_keywords);
|
|
|
|
struct BuiltInInfo {
|
|
DataType type;
|
|
bool constant;
|
|
|
|
BuiltInInfo() :
|
|
type(TYPE_VOID),
|
|
constant(false) {}
|
|
|
|
BuiltInInfo(DataType p_type, bool p_constant = false) :
|
|
type(p_type),
|
|
constant(p_constant) {}
|
|
};
|
|
|
|
struct FunctionInfo {
|
|
Map<StringName, BuiltInInfo> built_ins;
|
|
bool can_discard;
|
|
};
|
|
|
|
private:
|
|
struct KeyWord {
|
|
TokenType token;
|
|
const char *text;
|
|
};
|
|
|
|
static const KeyWord keyword_list[];
|
|
|
|
bool error_set;
|
|
String error_str;
|
|
int error_line;
|
|
|
|
String code;
|
|
int char_idx;
|
|
int tk_line;
|
|
|
|
StringName current_function;
|
|
|
|
struct TkPos {
|
|
int char_idx;
|
|
int tk_line;
|
|
};
|
|
|
|
TkPos _get_tkpos() {
|
|
TkPos tkp;
|
|
tkp.char_idx = char_idx;
|
|
tkp.tk_line = tk_line;
|
|
return tkp;
|
|
}
|
|
|
|
void _set_tkpos(TkPos p_pos) {
|
|
char_idx = p_pos.char_idx;
|
|
tk_line = p_pos.tk_line;
|
|
}
|
|
|
|
void _set_error(const String &p_str) {
|
|
if (error_set)
|
|
return;
|
|
|
|
error_line = tk_line;
|
|
error_set = true;
|
|
error_str = p_str;
|
|
}
|
|
|
|
static const char *token_names[TK_MAX];
|
|
|
|
Token _make_token(TokenType p_type, const StringName &p_text = StringName());
|
|
Token _get_token();
|
|
|
|
ShaderNode *shader;
|
|
|
|
enum IdentifierType {
|
|
IDENTIFIER_FUNCTION,
|
|
IDENTIFIER_UNIFORM,
|
|
IDENTIFIER_VARYING,
|
|
IDENTIFIER_FUNCTION_ARGUMENT,
|
|
IDENTIFIER_LOCAL_VAR,
|
|
IDENTIFIER_BUILTIN_VAR,
|
|
IDENTIFIER_CONSTANT,
|
|
};
|
|
|
|
bool _find_identifier(const BlockNode *p_block, const Map<StringName, BuiltInInfo> &p_builtin_types, const StringName &p_identifier, DataType *r_data_type = NULL, IdentifierType *r_type = NULL);
|
|
bool _is_operator_assign(Operator p_op) const;
|
|
bool _validate_assign(Node *p_node, const Map<StringName, BuiltInInfo> &p_builtin_types, String *r_message = NULL);
|
|
bool _validate_operator(OperatorNode *p_op, DataType *r_ret_type = NULL);
|
|
|
|
struct BuiltinFuncDef {
|
|
enum { MAX_ARGS = 5 };
|
|
const char *name;
|
|
DataType rettype;
|
|
const DataType args[MAX_ARGS];
|
|
};
|
|
|
|
struct BuiltinFuncOutArgs { //arguments used as out in built in functions
|
|
const char *name;
|
|
int argument;
|
|
};
|
|
|
|
CompletionType completion_type;
|
|
int completion_line;
|
|
BlockNode *completion_block;
|
|
DataType completion_base;
|
|
StringName completion_function;
|
|
int completion_argument;
|
|
|
|
bool _get_completable_identifier(BlockNode *p_block, CompletionType p_type, StringName &identifier);
|
|
static const BuiltinFuncDef builtin_func_defs[];
|
|
static const BuiltinFuncOutArgs builtin_func_out_args[];
|
|
|
|
bool _validate_function_call(BlockNode *p_block, OperatorNode *p_func, DataType *r_ret_type);
|
|
bool _parse_function_arguments(BlockNode *p_block, const Map<StringName, BuiltInInfo> &p_builtin_types, OperatorNode *p_func, int *r_complete_arg = NULL);
|
|
|
|
Node *_parse_expression(BlockNode *p_block, const Map<StringName, BuiltInInfo> &p_builtin_types);
|
|
ShaderLanguage::Node *_reduce_expression(BlockNode *p_block, ShaderLanguage::Node *p_node);
|
|
|
|
Node *_parse_and_reduce_expression(BlockNode *p_block, const Map<StringName, BuiltInInfo> &p_builtin_types);
|
|
Error _parse_block(BlockNode *p_block, const Map<StringName, BuiltInInfo> &p_builtin_types, bool p_just_one = false, bool p_can_break = false, bool p_can_continue = false);
|
|
Error _parse_shader(const Map<StringName, FunctionInfo> &p_functions, const Vector<StringName> &p_render_modes, const Set<String> &p_shader_types);
|
|
|
|
public:
|
|
//static void get_keyword_list(ShaderType p_type,List<String> *p_keywords);
|
|
|
|
void clear();
|
|
|
|
static String get_shader_type(const String &p_code);
|
|
Error compile(const String &p_code, const Map<StringName, FunctionInfo> &p_functions, const Vector<StringName> &p_render_modes, const Set<String> &p_shader_types);
|
|
Error complete(const String &p_code, const Map<StringName, FunctionInfo> &p_functions, const Vector<StringName> &p_render_modes, const Set<String> &p_shader_types, List<String> *r_options, String &r_call_hint);
|
|
|
|
String get_error_text();
|
|
int get_error_line();
|
|
|
|
ShaderNode *get_shader();
|
|
|
|
String token_debug(const String &p_code);
|
|
|
|
ShaderLanguage();
|
|
~ShaderLanguage();
|
|
};
|
|
|
|
#endif // SHADER_LANGUAGE_H
|