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fix(shader): broadcast the first pixel LDS slot without a dynamic lane

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This commit is contained in:
Maz committed 2026-10-23 20:53:22 +04:00
1 parent d06caa7a8d
commit 89fcff6dd8
2 files changed
+3 -7
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core/libs/prx/libSceAgcDriver/tests/ShaderMemory.cpp
+2 -2
View File
@@ -5453,8 +5453,8 @@ void verifyMergedHullConfiguration() {
require(!serializer.Deserialize(separate).request.graphics->tessellation->mergedHull, "a separate hull configuration was read as merged");
constexpr std::size_t pointTailBytes = 13u;
auto legacy = decodeBase64(merged);
require(legacy.size() > 54u + pointTailBytes && legacy[4] == 44u, "a merged hull request did not use serialization version 44");
legacy.resize(legacy.size() - 1u - pointTailBytes);
require(legacy.size() > 54u + pointTailBytes && legacy[4] == 45u, "a merged hull request did not use serialization version 45");
legacy.resize(legacy.size() - 2u - pointTailBytes);
legacy.pop_back();
require(legacy[legacy.size() - 52u] == 1u, "the merged hull flag is not the last byte of the tessellation configuration");
legacy.erase(legacy.end() - 52);
core/shader/recompiler/SpirvBackend/src/SpirvMemory/SpirvBufferAccess.cpp
+1 -5
View File
@@ -99,14 +99,10 @@ void EmitPixelFunctionLdsBase(SpirvEmitterState& state) {
state.module.AddFunction(spv::OpSelect, TypeU32(state), claimed, exhausted, ConstantU32(state, 0u), acquired);
state.module.AddFunction(spv::OpStore, slotVar, claimed);
});
const auto ballot = state.module.AllocateId();
state.module.AddFunction(spv::OpGroupNonUniformBallot, TypeU32Vector(state, 4u), ballot, ConstantU32(state, spv::ScopeSubgroup), elected);
const auto source = state.module.AllocateId();
state.module.AddFunction(spv::OpGroupNonUniformBallotFindLSB, TypeU32(state), source, ConstantU32(state, spv::ScopeSubgroup), ballot);
const auto local = state.module.AllocateId();
state.module.AddFunction(spv::OpLoad, TypeU32(state), local, slotVar);
const auto slot = state.module.AllocateId();
state.module.AddFunction(spv::OpGroupNonUniformBroadcast, TypeU32(state), slot, ConstantU32(state, spv::ScopeSubgroup), local, source);
state.module.AddFunction(spv::OpGroupNonUniformBroadcastFirst, TypeU32(state), slot, ConstantU32(state, spv::ScopeSubgroup), local);
std::uint32_t lane;
if (state.splitSubgroup) {
if (state.subgroupLocalInvocationIdVariable == 0) FailEmit("pixel function LDS lane was not declared");