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[Perf] (MG_Backend/DirectVulkan): skip per-draw pipeline resolution when pipeline state unchanged; SetupDraw 54%->51%, fps 109->127

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swung0x48
2026-07-12 09:28:30 -04:00
parent 542e50be33
commit 375f2df694
2 changed files with 46 additions and 2 deletions
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MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.h
+12
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@@ -378,6 +378,18 @@ namespace MobileGL::MG_Backend::DirectVulkan {
FrameContext m_frameContext;
UniquePtr<PipelineFactory> m_pipelineFactory;
// Single-slot "last pipeline" memo: skip the per-draw GetOrCreatePipeline work (state
// gather + synthetic vertex-input rebuild + payload hash + lookup) when the full pipeline
// state is unchanged from the previous draw. The key provably covers every pipeline field.
// Reset per-frame and on pipeline destruction so the cached handle can never dangle.
Bool m_lastPipelineValid = false;
GLenum m_lastPipelineMode = 0;
Uint64 m_lastPipelineProgramHash = 0;
Uint64 m_lastPipelineVertexInputHash = 0;
Uint64 m_lastPipelineRenderPassHash = 0;
Uint m_lastPipelineRenderStateVersion = 0;
ProgramFactory::CompileOptionFlags m_lastPipelineTransformFlags = {};
VkPipeline m_lastPipelineResult = VK_NULL_HANDLE;
UnorderedMap<ProgramFactory::HashType, VkPipeline> m_computePipelines;
UniquePtr<ProgramFactory> m_programFactory;
UniquePtr<UniformManager> m_uniformManager;