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[Fix] (MG_State/VertexArray): use array to save attribs to maintain order and optimize performance

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swung0x48
2025-06-25 16:22:16 +08:00
parent 0359a4e97f
commit bf8aaaa9c1
6 changed files with 25 additions and 19 deletions
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MG/MG_GL/Implementations/EGL/Diligent/EGL_impl.cpp
+7 -9
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@@ -33,7 +33,9 @@ namespace MG_Diligent {
auto& programObj = MG_State_T::programState->programs_[program];
for (const auto& [attribIndex, attrib] : vaState.vaos_[vaState.currentVao_].attribs) {
// for (const auto& [attribIndex, attrib] : vaState.vaos_[vaState.currentVao_].attribs) {
for (uint32_t attribIndex = 0; attribIndex < MG_Constants::VertexArray::MAX_VERTEX_ATTRIBS; ++attribIndex) {
const auto& attrib = vaState.vaos_[vaState.currentVao_].attribs[attribIndex];
if (!attrib.enabled) continue;
std::string attribName;
@@ -124,15 +126,11 @@ namespace MG_Diligent {
hash_combine(hash, capabilities[GL_STENCIL_TEST]);
auto *pVAO = vaState.GetCurrentVAO();
std::vector<uint32_t> attribIndices;
for (const auto& [index, _] : pVAO->attribs)
attribIndices.push_back(index);
std::sort(attribIndices.begin(), attribIndices.end());
for (auto index : attribIndices) {
const auto& attrib = pVAO->attribs.at(index);
for (uint32_t i = 0; i < MG_Constants::VertexArray::MAX_VERTEX_ATTRIBS; ++i) {
const auto& attrib = pVAO->attribs[i];
if (attrib.enabled) {
hash_combine(hash, index);
hash_combine(hash, i);
hash_combine(hash, attrib.size);
hash_combine(hash, attrib.type);
hash_combine(hash, attrib.normalized);