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[Fix] (DirectVulkan): hash the sample-shading state into the pipeline memo key

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swung0x48
2026-08-27 03:35:56 -04:00
parent b7a694711a
commit f1354dc25e
1 changed files with 12 additions and 2 deletions
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MobileGL/MG_Backend/DirectVulkan/Renderer/VulkanRenderer.cpp
+12 -2
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@@ -4718,8 +4718,9 @@ void main() {
// build in GetOrCreatePipeline - any new GL-state read there must be added here:
// - capability bits: CullFace, DepthTest, PolygonOffsetFill (mode gating rides
// the memo's mode key), RasterizerDiscard, ColorLogicOp, StencilTest,
// PrimitiveRestart(+FixedIndex), plus the depth write mask
// - patch vertices, polygon mode, cull face mode, depth func, logic op
// PrimitiveRestart(+FixedIndex), SampleShading, plus the depth write mask
// - patch vertices, polygon mode, cull face mode, depth func, logic op,
// min sample shading
// - front/back stencil ops + compare funcs (ref/mask are dynamic state)
// - per draw buffer up to the render pass's colour span: indexed blend enable,
// blend factors/equations, indexed colour write mask (broadcast from index 0
@@ -4744,7 +4745,16 @@ void main() {
capabilityBits |= p.PrimitiveRestartEnabled ? 1ull << 6 : 0;
capabilityBits |= p.PrimitiveRestartFixedIndexEnabled ? 1ull << 7 : 0;
capabilityBits |= p.DepthMask ? 1ull << 8 : 0;
capabilityBits |= p.SampleShadingEnabled ? 1ull << 9 : 0;
Uint64 hash = CombinePipelineStateWord(0x243F6A8885A308D3ull, capabilityBits);
// glMinSampleShading. Hashed by BITS, not by value: this memo compares hashes rather than
// versions, so an unhashed float would let a pipeline built at one rate be handed back
// after glMinSampleShading moved it - the memo would see identical state.
{
Uint32 minSampleShadingBits = 0;
std::memcpy(&minSampleShadingBits, &p.MinSampleShadingValue, sizeof(minSampleShadingBits));
hash = CombinePipelineStateWord(hash, static_cast<Uint64>(minSampleShadingBits));
}
hash = CombinePipelineStateWord(hash, static_cast<Uint64>(p.PatchVertices));
// The default tessellation levels belong here for the same reason PatchVertices does:
// when a program has an evaluation stage and no control stage, both are compiled into the