raphiaura/KytyPS5
1
0
Fork 0
mirror of https://github.com/KytyPS5/KytyPS5.git synced 2026-10-28 05:46:56 +01:00
Code Issues Packages Projects Releases Wiki Activity

shader: implement 32-bit RDNA2 IMAGE_ATOMIC_CMPSWAP (#952)

Browse Source 
* shader: implement 32-bit RDNA2 image atomic compare-and-swap

* shader: share atomic emission and correct image barriers

---------

Co-authored-by: nmzik <Nmzik@mail.ru>
This commit is contained in:
Louis
2026-10-01 23:15:53 +02:00
committed by GitHub
parent 4428640b44
commit b3e419ff11
12 changed files with 163 additions and 102 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/graphics/shader/recompiler/backend/spirv/spirvEmitterInternal.h
+8 -11
View File
@@ -436,7 +436,12 @@ uint32_t EmitUFloatToF32Bits(EmitterState& state, uint32_t raw, uint32_t bits);
uint32_t NormalizeFormatComponent(EmitterState& state, const Format::BufferFormatInfo& info,
uint32_t component, uint32_t raw);
void EmitDeviceAtomicMemoryBarrier(EmitterState& state);
spv::Op SpirvAtomicOpcode(IR::ValueOpcode opcode);
uint32_t EmitAtomicOperation(ValueEmitContext& ctx, const IR::Inst& inst, uint32_t pointer,
uint32_t scope);
void EmitAtomicMemoryBarrier(EmitterState& state, IR::ResourceKind kind);
uint32_t EmitFloatAtomicReplacement(EmitterState& state, uint32_t old, uint32_t source,
bool max_value);
@@ -548,14 +553,7 @@ uint32_t EmitValueOrZeroIfCondition(EmitterState& state, uint32_t condition, Fn&
template <typename Fn>
uint32_t AtomicUpdate(EmitterState& state, uint32_t pointer, IR::ResourceKind kind, Fn&& desired) {
const auto scope = kind == IR::ResourceKind::Lds ? spv::ScopeWorkgroup : spv::ScopeDevice;
const auto memory = [&] {
switch (kind) {
case IR::ResourceKind::Lds: return spv::MemorySemanticsWorkgroupMemoryMask;
case IR::ResourceKind::Image: return spv::MemorySemanticsImageMemoryMask;
default: return spv::MemorySemanticsUniformMemoryMask;
}
}();
const auto scope = kind == IR::ResourceKind::Lds ? spv::ScopeWorkgroup : spv::ScopeDevice;
const auto preheader = state.builder.AllocateId();
const auto header = state.builder.AllocateId();
const auto cont = state.builder.AllocateId();
@@ -584,8 +582,7 @@ uint32_t AtomicUpdate(EmitterState& state, uint32_t pointer, IR::ResourceKind ki
EmitLabel(state, cont);
state.builder.AddFunction(spv::OpBranch, header);
EmitLabel(state, merge);
state.builder.AddFunction(spv::OpMemoryBarrier, ConstantU32(state, scope),
ConstantU32(state, spv::MemorySemanticsAcquireReleaseMask | memory));
EmitAtomicMemoryBarrier(state, kind);
return observed;
}