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[Perf] (DirectVulkan): memoize resolved vertex-input state on the VAO and dedupe vertex/index binds

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swung0x48
2026-07-30 07:02:01 -04:00
parent a12068df52
commit ec685b9fa7
4 changed files with 107 additions and 13 deletions
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MobileGL/MG_State/GLState/VertexArrayState/VertexArrayObject.h
+20
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@@ -104,6 +104,23 @@ namespace MobileGL {
m_backendHashMemoVersion = m_configVersion;
}
// Backend-owned resolved-state memo: an opaque pointer into the
// backend's vertex-input-state cache plus the cache's eviction
// epoch, valid while the config version matches. Lets the
// per-draw path skip the content hash AND the cache lookup; the
// epoch guards against the cache evicting the pointee.
Bool GetBackendStateMemo(const void*& outState, Uint64& outEpoch) const {
if (m_backendStateMemoVersion != m_configVersion) return false;
outState = m_backendStateMemo;
outEpoch = m_backendStateMemoEpoch;
return true;
}
void SetBackendStateMemo(const void* state, Uint64 epoch) const {
m_backendStateMemo = state;
m_backendStateMemoEpoch = epoch;
m_backendStateMemoVersion = m_configVersion;
}
private:
void BumpAttributeFormatVersion(Uint index);
void BumpAttributeBufferVersion(Uint index);
@@ -137,6 +154,9 @@ namespace MobileGL {
Uint32 m_configVersion = 0;
mutable Uint64 m_backendHashMemo = 0;
mutable Uint32 m_backendHashMemoVersion = ~0u;
mutable const void* m_backendStateMemo = nullptr;
mutable Uint64 m_backendStateMemoEpoch = 0;
mutable Uint32 m_backendStateMemoVersion = ~0u;
};
} // namespace GLState
} // namespace MG_State