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[Perf] (Magma): wire draws memoise each unit's sampler and skip rebinding an unchanged pipeline, vertex or index binding (rd12 monolith 57.9 -> 60.3 fps).

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swung0x48
2026-10-07 10:50:38 -04:00
parent b556ec3134
commit 4ef9705ee0
6 changed files with 113 additions and 8 deletions
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MobileGL/MG_Backend/DirectVulkan/Renderer/UniformManager.cpp
+32 -4
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@@ -312,10 +312,38 @@ namespace MobileGL::MG_Backend::DirectVulkan {
MGLOG_E_ONCE("Magma wire: sampler CSO {%u, %u} named by texture unit %u is missing or no longer "
"live; sampling with default parameters", samplerHandle.Slot, samplerHandle.Gen, unit);
}
out.sampler = m_samplerManager->GetOrCreateSamplerFromParameters(stale ? kDefaultSamplerParams : sampler->Params,
static_cast<TextureInternalFormat>(record.Desc.InternalFormat),
domain == SamplerNumericDomain::SignedInteger || domain == SamplerNumericDomain::UnsignedInteger,
levels);
const Bool forceNearest =
domain == SamplerNumericDomain::SignedInteger || domain == SamplerNumericDomain::UnsignedInteger;
static_assert(kWireSamplerMemoUnits == MG_Pipe::kMGPipeMaxTextureUnits,
"the wire sampler memo has one entry per texture unit");
auto& memo = m_wireSamplerMemo[static_cast<SizeT>(unit)];
const Bool memoHit = !stale && memo.valid && memo.slot == samplerHandle.Slot &&
memo.gen == samplerHandle.Gen && memo.serial == sampler->Serial &&
memo.contextSerial == state.ContextSerial &&
memo.format == record.Desc.InternalFormat && memo.viewLevelCount == levels &&
memo.forceNearest == forceNearest &&
memo.frameBoundary == m_samplerManager->FrameBoundaryCount() &&
memo.destroyEpoch == m_samplerManager->DestroyEpoch();
if (memoHit) {
out.sampler = memo.sampler;
} else {
out.sampler = m_samplerManager->GetOrCreateSamplerFromParameters(
stale ? kDefaultSamplerParams : sampler->Params,
static_cast<TextureInternalFormat>(record.Desc.InternalFormat), forceNearest, levels);
memo.valid = !stale && out.sampler != VK_NULL_HANDLE;
if (memo.valid) {
memo.slot = samplerHandle.Slot;
memo.gen = samplerHandle.Gen;
memo.serial = sampler->Serial;
memo.contextSerial = state.ContextSerial;
memo.format = record.Desc.InternalFormat;
memo.viewLevelCount = levels;
memo.forceNearest = forceNearest;
memo.frameBoundary = m_samplerManager->FrameBoundaryCount();
memo.destroyEpoch = m_samplerManager->DestroyEpoch();
memo.sampler = out.sampler;
}
}
if (!out.sampler) return false;
}
return true;