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[Feat] (MG_State/Program): GetActiveUniform

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swung0x48
2025-08-14 13:50:34 +08:00
parent eb926848be
commit 238d0ffade
6 changed files with 68 additions and 8 deletions
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MobileGL/MG_State/GLState/ProgramState/ProgramObject.cpp
+20 -4
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@@ -1,6 +1,8 @@
#include "ProgramObject.h"
#include <MG_Util/ShaderTranspiler/ShaderCompiler.h>
#include "MG_Util/Converters/SPIRVCrossToGL/SpvcTypeConverter.h"
namespace MobileGL {
namespace MG_State {
namespace GLState {
@@ -75,7 +77,9 @@ namespace MobileGL {
for (const auto& shader : m_shaders) {
for (const auto& [name, loc] : shader->GetUniformLocations()) {
// collect all the names to map
m_uniforms[name] = loc;
if (loc != 4095 || m_uniforms.find(name) == m_uniforms.end()) {
m_uniforms[name] = loc;
}
// set a flag for those who have an explicit location
if (loc != 4095) {
@@ -121,6 +125,12 @@ namespace MobileGL {
}
}
}
m_uniformNames.resize(m_uniformOffsets.size());
for (auto& [name, loc] : m_uniforms) {
m_uniformNames[loc] = name;
m_uniformNameMaxLength = std::max(m_uniformNameMaxLength, (Int)name.length());
}
}
void ProgramObject::PostLink() {
@@ -135,14 +145,20 @@ namespace MobileGL {
assert(false);
return;
}
auto& metadata = session.GetMetadata();
auto& uniformOffsets = metadata.plainUniformOffsetsInUBO;
m_metadata = session.GetMetadata();
auto& uniformOffsets = m_metadata.plainUniformOffsetsInUBO;
for (const auto& [name, offset] : uniformOffsets) {
assert(m_uniforms.find(name) != m_uniforms.end());
assert(m_uniforms[name] < m_uniformOffsets.size());
m_uniformOffsets[m_uniforms[name]] = offset;
}
m_uboScratch.resize(metadata.uboSize);
m_uniformTypes.resize(uniformOffsets.size());
for (const auto& [name, type] : m_metadata.plainUniformMemberTypes) {
m_uniformTypes[m_uniforms[name]] = MG_Util::ConvertSpvcTypeToGLEnum(type);
}
m_uboScratch.resize(m_metadata.uboSize, 0);
}
} // namespace GLState
} // namespace MG_State