329 lines
11 KiB
C++
329 lines
11 KiB
C++
/*************************************************************************/
|
|
/* shader_rd.cpp */
|
|
/*************************************************************************/
|
|
/* 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. */
|
|
/*************************************************************************/
|
|
|
|
#include "shader_rd.h"
|
|
#include "core/string_builder.h"
|
|
#include "servers/visual/rendering_device.h"
|
|
|
|
void ShaderRD::setup(const char *p_vertex_code, const char *p_fragment_code, const char *p_name) {
|
|
|
|
name = p_name;
|
|
//split vertex and shader code (thank you, shader compiler programmers from you know what company).
|
|
{
|
|
String defines_tag = "\nVERSION_DEFINES";
|
|
String globals_tag = "\nVERTEX_SHADER_GLOBALS";
|
|
String material_tag = "\nMATERIAL_UNIFORMS";
|
|
String code_tag = "\nVERTEX_SHADER_CODE";
|
|
String code = p_vertex_code;
|
|
|
|
int cpos = code.find(defines_tag);
|
|
if (cpos != -1) {
|
|
vertex_codev = code.substr(0, cpos).ascii();
|
|
code = code.substr(cpos + defines_tag.length(), code.length());
|
|
}
|
|
|
|
cpos = code.find(material_tag);
|
|
|
|
if (cpos == -1) {
|
|
vertex_code0 = code.ascii();
|
|
} else {
|
|
vertex_code0 = code.substr(0, cpos).ascii();
|
|
code = code.substr(cpos + material_tag.length(), code.length());
|
|
|
|
cpos = code.find(globals_tag);
|
|
|
|
if (cpos == -1) {
|
|
vertex_code1 = code.ascii();
|
|
} else {
|
|
|
|
vertex_code1 = code.substr(0, cpos).ascii();
|
|
String code2 = code.substr(cpos + globals_tag.length(), code.length());
|
|
|
|
cpos = code2.find(code_tag);
|
|
if (cpos == -1) {
|
|
vertex_code2 = code2.ascii();
|
|
} else {
|
|
|
|
vertex_code2 = code2.substr(0, cpos).ascii();
|
|
vertex_code3 = code2.substr(cpos + code_tag.length(), code2.length()).ascii();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
{
|
|
String defines_tag = "\nVERSION_DEFINES";
|
|
String globals_tag = "\nFRAGMENT_SHADER_GLOBALS";
|
|
String material_tag = "\nMATERIAL_UNIFORMS";
|
|
String code_tag = "\nFRAGMENT_SHADER_CODE";
|
|
String light_code_tag = "\nLIGHT_SHADER_CODE";
|
|
String code = p_fragment_code;
|
|
|
|
int cpos = code.find(defines_tag);
|
|
if (cpos != -1) {
|
|
fragment_codev = code.substr(0, cpos).ascii();
|
|
code = code.substr(cpos + defines_tag.length(), code.length());
|
|
}
|
|
|
|
cpos = code.find(material_tag);
|
|
if (cpos == -1) {
|
|
fragment_code0 = code.ascii();
|
|
} else {
|
|
fragment_code0 = code.substr(0, cpos).ascii();
|
|
//print_line("CODE0:\n"+String(fragment_code0.get_data()));
|
|
code = code.substr(cpos + material_tag.length(), code.length());
|
|
cpos = code.find(globals_tag);
|
|
|
|
if (cpos == -1) {
|
|
fragment_code1 = code.ascii();
|
|
} else {
|
|
|
|
fragment_code1 = code.substr(0, cpos).ascii();
|
|
//print_line("CODE1:\n"+String(fragment_code1.get_data()));
|
|
|
|
String code2 = code.substr(cpos + globals_tag.length(), code.length());
|
|
cpos = code2.find(light_code_tag);
|
|
|
|
if (cpos == -1) {
|
|
fragment_code2 = code2.ascii();
|
|
} else {
|
|
|
|
fragment_code2 = code2.substr(0, cpos).ascii();
|
|
//print_line("CODE2:\n"+String(fragment_code2.get_data()));
|
|
|
|
String code3 = code2.substr(cpos + light_code_tag.length(), code2.length());
|
|
|
|
cpos = code3.find(code_tag);
|
|
if (cpos == -1) {
|
|
fragment_code3 = code3.ascii();
|
|
} else {
|
|
|
|
fragment_code3 = code3.substr(0, cpos).ascii();
|
|
//print_line("CODE3:\n"+String(fragment_code3.get_data()));
|
|
fragment_code4 = code3.substr(cpos + code_tag.length(), code3.length()).ascii();
|
|
//print_line("CODE4:\n"+String(fragment_code4.get_data()));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
RID ShaderRD::version_create() {
|
|
|
|
//initialize() was never called
|
|
ERR_FAIL_COND_V(variant_defines.size() == 0, RID());
|
|
|
|
Version version;
|
|
version.dirty = true;
|
|
version.valid = false;
|
|
version.initialize_needed = true;
|
|
version.variants = NULL;
|
|
return version_owner.make_rid(version);
|
|
}
|
|
|
|
void ShaderRD::_clear_version(Version *p_version) {
|
|
//clear versions if they exist
|
|
if (p_version->variants) {
|
|
for (int i = 0; i < variant_defines.size(); i++) {
|
|
RD::get_singleton()->free(p_version->variants[i]);
|
|
}
|
|
|
|
memdelete_arr(p_version->variants);
|
|
p_version->variants = NULL;
|
|
}
|
|
}
|
|
void ShaderRD::_compile_version(Version *p_version) {
|
|
|
|
_clear_version(p_version);
|
|
|
|
p_version->valid = false;
|
|
p_version->dirty = false;
|
|
|
|
p_version->variants = memnew_arr(RID, variant_defines.size());
|
|
|
|
for (int i = 0; i < variant_defines.size(); i++) {
|
|
|
|
Vector<RD::ShaderStageSource> stages;
|
|
|
|
{
|
|
//vertex stage
|
|
|
|
StringBuilder builder;
|
|
|
|
builder.append(vertex_codev.get_data()); // version info (if exists)
|
|
|
|
builder.append(variant_defines[i].get_data());
|
|
for (int j = 0; j < p_version->custom_defines.size(); j++) {
|
|
builder.append(p_version->custom_defines[j].get_data());
|
|
}
|
|
|
|
builder.append(vertex_code0.get_data()); //first part of vertex
|
|
|
|
builder.append(p_version->uniforms.get_data()); //uniforms (same for vertex and fragment)
|
|
|
|
builder.append(vertex_code1.get_data()); //second part of vertex
|
|
|
|
builder.append(p_version->vertex_globals.get_data()); // vertex globals
|
|
|
|
builder.append(vertex_code2.get_data()); //third part of vertex
|
|
|
|
builder.append(p_version->vertex_code.get_data()); // code
|
|
|
|
builder.append(vertex_code3.get_data()); //fourth of vertex
|
|
|
|
RD::ShaderStageSource stage;
|
|
stage.shader_source = builder.as_string();
|
|
stage.shader_stage = RD::SHADER_STAGE_VERTEX;
|
|
|
|
stages.push_back(stage);
|
|
}
|
|
|
|
{
|
|
//fragment stage
|
|
|
|
StringBuilder builder;
|
|
|
|
builder.append(fragment_codev.get_data()); // version info (if exists)
|
|
|
|
builder.append(variant_defines[i].get_data());
|
|
for (int j = 0; j < p_version->custom_defines.size(); j++) {
|
|
builder.append(p_version->custom_defines[j].get_data());
|
|
}
|
|
|
|
builder.append(fragment_code0.get_data()); //first part of fragment
|
|
|
|
builder.append(p_version->uniforms.get_data()); //uniforms (same for fragment and fragment)
|
|
|
|
builder.append(fragment_code1.get_data()); //first part of fragment
|
|
|
|
builder.append(p_version->fragment_globals.get_data()); // fragment globals
|
|
|
|
builder.append(fragment_code2.get_data()); //third part of fragment
|
|
|
|
builder.append(p_version->fragment_light.get_data()); // fragment light
|
|
|
|
builder.append(fragment_code3.get_data()); //fourth part of fragment
|
|
|
|
builder.append(p_version->fragment_code.get_data()); // fragment code
|
|
|
|
builder.append(fragment_code4.get_data()); //fourth part of fragment
|
|
|
|
RD::ShaderStageSource stage;
|
|
stage.shader_source = builder.as_string();
|
|
stage.shader_stage = RD::SHADER_STAGE_FRAGMENT;
|
|
|
|
stages.push_back(stage);
|
|
}
|
|
|
|
String error;
|
|
RD::ShaderStage error_stage;
|
|
RID shader = RD::get_singleton()->shader_create_from_source(stages, &error, &error_stage);
|
|
|
|
if (shader.is_null() && error != String()) {
|
|
ERR_PRINT("Error compiling shader, variant #" + itos(i) + " (" + variant_defines[i].get_data() + ").");
|
|
ERR_PRINT(error);
|
|
|
|
#ifdef DEBUG_ENABLED
|
|
if (error_stage < RD::SHADER_STAGE_MAX) {
|
|
ERR_PRINT("code:\n" + stages[error_stage].shader_source.get_with_code_lines());
|
|
}
|
|
#endif
|
|
//clear versions if they exist
|
|
for (int j = 0; j < i; j++) {
|
|
RD::get_singleton()->free(p_version->variants[j]);
|
|
}
|
|
|
|
memdelete_arr(p_version->variants);
|
|
p_version->variants = NULL;
|
|
return;
|
|
}
|
|
|
|
p_version->variants[i] = shader;
|
|
}
|
|
|
|
p_version->valid = true;
|
|
}
|
|
|
|
void ShaderRD::version_set_code(RID p_version, const String &p_uniforms, const String &p_vertex_globals, const String &p_vertex_code, const String &p_fragment_globals, const String &p_fragment_light, const String &p_fragment_code, const Vector<String> &p_custom_defines) {
|
|
|
|
Version *version = version_owner.getornull(p_version);
|
|
ERR_FAIL_COND(!version);
|
|
version->vertex_globals = p_vertex_globals.utf8();
|
|
version->vertex_code = p_vertex_code.utf8();
|
|
version->fragment_light = p_fragment_light.utf8();
|
|
version->fragment_globals = p_fragment_globals.utf8();
|
|
version->fragment_code = p_fragment_code.utf8();
|
|
version->custom_defines.clear();
|
|
for (int i = 0; i < p_custom_defines.size(); i++) {
|
|
version->custom_defines.push_back(p_custom_defines[i].utf8());
|
|
}
|
|
|
|
version->dirty = true;
|
|
if (version->initialize_needed) {
|
|
_compile_version(version);
|
|
version->initialize_needed = false;
|
|
}
|
|
}
|
|
|
|
bool ShaderRD::version_free(RID p_version) {
|
|
|
|
if (version_owner.owns(p_version)) {
|
|
Version *version = version_owner.getornull(p_version);
|
|
_clear_version(version);
|
|
version_owner.free(p_version);
|
|
} else {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void ShaderRD::initialize(const Vector<String> &p_variant_defines) {
|
|
ERR_FAIL_COND(variant_defines.size());
|
|
ERR_FAIL_COND(p_variant_defines.size() == 0);
|
|
for (int i = 0; i < p_variant_defines.size(); i++) {
|
|
|
|
variant_defines.push_back(p_variant_defines[i].utf8());
|
|
}
|
|
}
|
|
|
|
ShaderRD::~ShaderRD() {
|
|
List<RID> remaining;
|
|
version_owner.get_owned_list(&remaining);
|
|
if (remaining.size()) {
|
|
ERR_PRINT(itos(remaining.size()) + " shaders of type " + name + " were never freed");
|
|
while (remaining.size()) {
|
|
version_free(remaining.front()->get());
|
|
remaining.pop_front();
|
|
}
|
|
}
|
|
}
|