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[Fix]: save order of uniform names, and apply it at linking and buffer mapping

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This commit is contained in:
swung0x48
2025-06-08 20:19:06 +08:00
parent c183203264
commit 40a458b743
6 changed files with 18 additions and 8 deletions
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MG/MG_GL/Implementations/EGL/Diligent/EGL_impl.cpp
+2 -2
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@@ -286,7 +286,7 @@ namespace MG_Diligent {
void PipelineStateManager::ConfigureResourceLayout(
Diligent::GraphicsPipelineStateCreateInfo& PSOCreateInfo,
const GLProgramInfo& programInfo)
GLProgramInfo& programInfo)
{
MG_Util::Debug::LogD("Begin configuring resource layout for pipeline");
@@ -308,7 +308,7 @@ namespace MG_Diligent {
}
}
MG_Util::Program::GenerateDefaultUBOForGLSL_Multi(shaderSourcesMap);
MG_Util::Program::GenerateDefaultUBOForGLSL_Multi(shaderSourcesMap, programInfo.uniformBufferNames);
for (auto shader : programInfo.AttachedShaders) {
GLuint shaderId = 0;
MG/MG_GL/Implementations/EGL/Diligent/EGL_impl.h
+5 -1
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@@ -43,6 +43,10 @@ namespace MG_Diligent {
std::vector<Diligent::LayoutElement> inputLayout;
GLuint DefaultFBO = 0;
ProgramObject programObj;
// Uniform names, in the order of their index in uniform buffer
std::vector<std::string> uniformBufferNames;
Diligent::IBuffer* pDefaultUBO = nullptr;
std::unordered_map<std::string, Diligent::SHADER_TYPE> uniformStages;
@@ -239,7 +243,7 @@ namespace MG_Diligent {
void ConfigureResourceLayout(
Diligent::GraphicsPipelineStateCreateInfo& PSOCreateInfo,
const GLProgramInfo& programInfo);
GLProgramInfo& programInfo);
};
extern PipelineStateManager g_PSOManager;
MG/MG_GL/Implementations/GL/Drawing/GL_Drawing.cpp
+2 -1
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@@ -232,7 +232,8 @@ namespace MG_GL::GL {
MG_Util::Debug::LogD("UBO mapped successfully for program %u. Updating uniform values.", program);
uint8_t* uboData = static_cast<uint8_t*>(mapped);
for (auto& [name, uniform] : programObj.uniformValues) {
for (auto& name: programInfo.uniformBufferNames) {
auto& uniform = programObj.uniformValues[name];
if (IsSamplerType(uniform.type)) continue;
auto it = programInfo.uniformOffsets.find(name);
MG/MG_GL/Implementations/GL/Program/GL_Program.cpp
+3 -2
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@@ -86,7 +86,8 @@ namespace MG_GL::GL {
size_t offset = 0;
programInfo.uniformOffsets.clear();
for (auto& [name, uniform] : programInfo.programObj.uniformValues) {
for (auto& name: programInfo.uniformBufferNames) {
auto& uniform = programInfo.programObj.uniformValues[name];
if (IsSamplerType(uniform.type)) continue;
size_t size = GetUniformSize(uniform.type);
@@ -255,7 +256,7 @@ namespace MG_GL::GL {
shaderSources[shaderId] = shaderObj.source;
}
MG_Util::Program::GenerateDefaultUBOForGLSL_Multi(shaderSources);
MG_Util::Program::GenerateDefaultUBOForGLSL_Multi(shaderSources, programInfo.uniformBufferNames);
// Compile attached shaders
for (GLuint shaderId : programInfo.AttachedShadersID) {
MG/MG_UTIL/Program/GLSLTool.cpp
+5 -1
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@@ -324,9 +324,11 @@ namespace MG_Util::Program {
}
void GenerateDefaultUBOForGLSL_Multi(
MG_Global::unordered_map<GLuint, std::string> &shaderSources) {
MG_Global::unordered_map<GLuint, std::string> &shaderSources, std::vector<std::string>& outUniformBufferNames) {
if (shaderSources.empty()) return;
outUniformBufferNames.clear();
std::unordered_map<GLuint, std::vector<bool>> commentMasks;
for (auto const& [id, source] : shaderSources) {
commentMasks[id] = buildCommentMask(source);
@@ -405,6 +407,8 @@ namespace MG_Util::Program {
if (allUniformNames.find(varName) == allUniformNames.end()) {
mergedUniforms.push_back(declaration);
allUniformNames.insert(varName);
// save the uniform names in order
outUniformBufferNames.emplace_back(varName);
}
size_t removeStart = declStart;
MG/MG_UTIL/Program/GLSLTool.h
+1 -1
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@@ -181,7 +181,7 @@ namespace MG_Util::Program {
std::pair<std::string, std::string> GenerateDefaultUBOForGLSL(const std::pair<std::string,
std::string>& glslSources);
void GenerateDefaultUBOForGLSL_Multi(
MG_Global::unordered_map<GLuint, std::string> &shaderSources);
MG_Global::unordered_map<GLuint, std::string> &shaderSources, std::vector<std::string>& outUniformBufferNames);
}
#endif //MOBILEGL_GLSLTOOL_H