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[Fix] (EGL_impl.cpp): probably fixed PSO hashing

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swung0x48
2025-06-19 16:53:58 +08:00
parent 09d13579fc
commit a65ae7202e
1 changed files with 43 additions and 39 deletions
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MG/MG_GL/Implementations/EGL/Diligent/EGL_impl.cpp
+43 -39
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@@ -87,55 +87,66 @@ namespace MG_Diligent {
}
}
namespace {
template <typename T>
inline void hash_combine(std::size_t& seed, const T& v) {
std::hash<T> hasher;
seed ^= hasher(v) + 0x9e3779b9 + (seed << 6) + (seed >> 2);
}
}
uint64_t PipelineStateManager::CalculateStateHash(
CommonState &commonState,
VertexArrayState &vaState,
GLFramebufferInfo& fbInfo) {
uint64_t hash = 0;
size_t hash = 0;
auto& capabilities = commonState.capabilities;
hash ^= std::hash<uint32_t>()(commonState.blendSrcRGB);
hash ^= std::hash<uint32_t>()(commonState.blendDstRGB);
hash ^= std::hash<uint32_t>()(commonState.blendSrcAlpha);
hash ^= std::hash<uint32_t>()(commonState.blendDstAlpha);
hash_combine(hash, commonState.blendSrcRGB);
hash_combine(hash, commonState.blendDstRGB);
hash_combine(hash, commonState.blendSrcAlpha);
hash_combine(hash, commonState.blendDstAlpha);
uint32_t colorMask = (commonState.colorMask[0] ? 1 : 0) |
(commonState.colorMask[1] ? 2 : 0) |
(commonState.colorMask[2] ? 4 : 0) |
(commonState.colorMask[3] ? 8 : 0);
hash ^= std::hash<uint32_t>()(colorMask);
hash ^= std::hash<bool>()(capabilities[GL_BLEND]);
hash_combine(hash, colorMask);
hash_combine(hash, capabilities[GL_BLEND]);
hash ^= std::hash<uint32_t>()(commonState.depthFunc);
hash ^= std::hash<bool>()(commonState.depthMask);
hash ^= std::hash<bool>()(capabilities[GL_DEPTH_TEST]);
hash_combine(hash, commonState.depthFunc);
hash_combine(hash, commonState.depthMask);
hash_combine(hash, capabilities[GL_DEPTH_TEST]);
hash ^= std::hash<int>()(0); // TODO: Cull Face Mode
hash ^= std::hash<bool>()(capabilities[GL_CULL_FACE]);
hash ^= std::hash<bool>()(capabilities[GL_STENCIL_TEST]);
hash_combine(hash, 0); // TODO: Cull Face Mode
hash_combine(hash, capabilities[GL_CULL_FACE]);
hash_combine(hash, capabilities[GL_STENCIL_TEST]);
auto *pVAO = vaState.GetCurrentVAO();
for (const auto &[index, attrib]: pVAO->attribs) {
// 保证顺序一致，按index排序
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);
if (attrib.enabled) {
hash ^= std::hash<uint32_t>()(index);
hash ^= std::hash<int>()(attrib.size);
hash ^= std::hash<uint32_t>()(attrib.type);
hash ^= std::hash<bool>()(attrib.normalized);
hash_combine(hash, index);
hash_combine(hash, attrib.size);
hash_combine(hash, attrib.type);
hash_combine(hash, attrib.normalized);
}
}
hash ^= std::hash<size_t>()(fbInfo.ColorRTVs.size());
hash_combine(hash, fbInfo.ColorRTVs.size());
if (!fbInfo.pRenderPass) {
// 只有在使用隐式渲染通道时，才将渲染目标格式包含在哈希中
for (const auto& rtv : fbInfo.ColorRTVs) {
if (rtv) {
hash ^= std::hash<uint32_t>()(rtv->GetDesc().Format);
hash_combine(hash, rtv->GetDesc().Format);
}
}
}
hash ^= std::hash<uint32_t>()(fbInfo.DepthStencilFormat);
hash_combine(hash, fbInfo.DepthStencilFormat);
return hash;
}
@@ -178,15 +189,11 @@ namespace MG_Diligent {
PSOCreateInfo.GraphicsPipeline.PrimitiveTopology = Diligent::PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;
// 设置渲染目标数量和格式
if (fbInfo.pRenderPass) {
// 当使用显式渲染通道时，NumRenderTargets必须为0
PSOCreateInfo.GraphicsPipeline.NumRenderTargets = 0;
} else {
// 当使用隐式渲染通道时，需要设置渲染目标数量和格式
PSOCreateInfo.GraphicsPipeline.NumRenderTargets = fbInfo.ColorRTVs.size();
if (PSOCreateInfo.GraphicsPipeline.NumRenderTargets == 0) {
// 如果没有颜色附件，至少设置一个默认的
PSOCreateInfo.GraphicsPipeline.NumRenderTargets = 1;
PSOCreateInfo.GraphicsPipeline.RTVFormats[0] = Diligent::TEX_FORMAT_RGBA8_UNORM;
} else {
@@ -220,7 +227,6 @@ namespace MG_Diligent {
(commonState.colorMask[2] ? Diligent::COLOR_MASK_BLUE : 0) |
(commonState.colorMask[3] ? Diligent::COLOR_MASK_ALPHA : 0));
// 添加详细的混合状态调试信息
MG_Util::Debug::LogD("Configured Blend State:");
MG_Util::Debug::LogD(" Using explicit render pass: %s", fbInfo.pRenderPass ? "true" : "false");
MG_Util::Debug::LogD(" NumRenderTargets: %u", PSOCreateInfo.GraphicsPipeline.NumRenderTargets);
@@ -313,8 +319,6 @@ namespace MG_Diligent {
if (it != psoCache.end() && it->second) {
MG_Util::Debug::LogD("Found cached PSO: %04X%04X", it->first.programHash, it->first.stateHash);
// TODO: This fixes alpha states, but how does PSO cache not corresponds to GL state machine (commonState)?
// probably a problem in hashing?
auto& desc = it->second->GetGraphicsPipelineDesc();
MG_Util::Debug::LogD("PSO state - Blend states: ");
MG_Util::Debug::LogD(" SrcBlend: %s", MG_Util::Debug::DiligentBlendFactorToString(desc.BlendDesc.RenderTargets[0].SrcBlend));
@@ -322,14 +326,14 @@ namespace MG_Diligent {
MG_Util::Debug::LogD(" SrcBlendAlpha: %s", MG_Util::Debug::DiligentBlendFactorToString(desc.BlendDesc.RenderTargets[0].SrcBlendAlpha));
MG_Util::Debug::LogD(" DestBlendAlpha: %s", MG_Util::Debug::DiligentBlendFactorToString(desc.BlendDesc.RenderTargets[0].DestBlendAlpha));
// These asserts can fail
// assert(ConvertGLBlendFactor(commonState.blendSrcRGB) == desc.BlendDesc.RenderTargets[0].SrcBlend);
// assert(ConvertGLBlendFactor(commonState.blendDstRGB) == desc.BlendDesc.RenderTargets[0].DestBlend);
// assert(ConvertGLBlendFactor(commonState.blendSrcAlpha) == desc.BlendDesc.RenderTargets[0].SrcBlendAlpha);
// assert(ConvertGLBlendFactor(commonState.blendDstAlpha) == desc.BlendDesc.RenderTargets[0].DestBlendAlpha);
if ((ConvertGLBlendFactor(commonState.blendSrcRGB) == desc.BlendDesc.RenderTargets[0].SrcBlend) &&
(ConvertGLBlendFactor(commonState.blendDstRGB) == desc.BlendDesc.RenderTargets[0].DestBlend) &&
(ConvertGLBlendFactor(commonState.blendSrcAlpha) == desc.BlendDesc.RenderTargets[0].SrcBlendAlpha) &&
(ConvertGLBlendFactor(commonState.blendDstAlpha) == desc.BlendDesc.RenderTargets[0].DestBlendAlpha))
assert(ConvertGLBlendFactor(commonState.blendSrcRGB) == desc.BlendDesc.RenderTargets[0].SrcBlend);
assert(ConvertGLBlendFactor(commonState.blendDstRGB) == desc.BlendDesc.RenderTargets[0].DestBlend);
assert(ConvertGLBlendFactor(commonState.blendSrcAlpha) == desc.BlendDesc.RenderTargets[0].SrcBlendAlpha);
assert(ConvertGLBlendFactor(commonState.blendDstAlpha) == desc.BlendDesc.RenderTargets[0].DestBlendAlpha);
// if ((ConvertGLBlendFactor(commonState.blendSrcRGB) == desc.BlendDesc.RenderTargets[0].SrcBlend) &&
// (ConvertGLBlendFactor(commonState.blendDstRGB) == desc.BlendDesc.RenderTargets[0].DestBlend) &&
// (ConvertGLBlendFactor(commonState.blendSrcAlpha) == desc.BlendDesc.RenderTargets[0].SrcBlendAlpha) &&
// (ConvertGLBlendFactor(commonState.blendDstAlpha) == desc.BlendDesc.RenderTargets[0].DestBlendAlpha))
return it->second;
}