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shader: support IMAGE_ATOMIC_SWAP (#456)

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This commit is contained in:
Brandon Strong
2026-09-02 18:37:55 -07:00
committed by GitHub
parent 98200fed19
commit 2d5023fda2
8 changed files with 44 additions and 1 deletions
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src/graphics/shader/recompiler/backend/spirv/spirvEmitterImage.cpp
+1
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@@ -576,6 +576,7 @@ uint32_t StoreTexel(ValueEmitContext& ctx, const IR::MemoryInfo& mem, uint32_t d
uint32_t ImageAtomicOpcode(IR::ValueOpcode opcode) {
switch (opcode) {
case IR::ValueOpcode::ImageAtomicSwap32: return OpAtomicExchange;
case IR::ValueOpcode::ImageAtomicIAdd32: return OpAtomicIAdd;
case IR::ValueOpcode::ImageAtomicUMin32: return OpAtomicUMin;
case IR::ValueOpcode::ImageAtomicUMax32: return OpAtomicUMax;
src/graphics/shader/recompiler/frontend/decode/ImageOps.cpp
+1
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@@ -202,6 +202,7 @@ constexpr MimgGatherInfo MIMG_GATHER_OPCODE_LIST[] = {
};
constexpr MimgAtomicInfo MIMG_ATOMIC_OPCODE_LIST[] = {
{0x0fu, "image_atomic_swap", Opcode::IMAGE_ATOMIC_SWAP},
{0x11u, "image_atomic_add", Opcode::IMAGE_ATOMIC_ADD},
{0x15u, "image_atomic_umin", Opcode::IMAGE_ATOMIC_UMIN},
{0x17u, "image_atomic_umax", Opcode::IMAGE_ATOMIC_UMAX},
src/graphics/shader/recompiler/frontend/decode/ShaderDecoder.cpp
+1
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@@ -535,6 +535,7 @@ std::string InstructionToString(const Instruction& inst) {
case Opcode::IMAGE_SAMPLE:
case Opcode::IMAGE_STORE:
case Opcode::IMAGE_STORE_MIP:
case Opcode::IMAGE_ATOMIC_SWAP:
case Opcode::IMAGE_ATOMIC_ADD:
case Opcode::IMAGE_ATOMIC_UMIN:
case Opcode::IMAGE_ATOMIC_UMAX:
src/graphics/shader/recompiler/frontend/decode/ShaderDecoder.h
+1
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@@ -538,6 +538,7 @@ enum class Opcode {
IMAGE_LOAD_MIP,
IMAGE_STORE,
IMAGE_STORE_MIP,
IMAGE_ATOMIC_SWAP,
IMAGE_ATOMIC_ADD,
IMAGE_ATOMIC_UMIN,
IMAGE_ATOMIC_UMAX,
src/graphics/shader/recompiler/frontend/translate/Memory.cpp
+3 -1
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@@ -223,7 +223,7 @@ Decoder::Operand MemorySourceAt(const Decoder::Instruction& decoded, uint32_t in
if (decoded.family == Decoder::Family::MIMG) {
const bool store_or_atomic = decoded.opcode == Decoder::Opcode::IMAGE_STORE ||
decoded.opcode == Decoder::Opcode::IMAGE_STORE_MIP ||
(decoded.opcode >= Decoder::Opcode::IMAGE_ATOMIC_ADD &&
(decoded.opcode >= Decoder::Opcode::IMAGE_ATOMIC_SWAP &&
decoded.opcode <= Decoder::Opcode::IMAGE_ATOMIC_XOR);
if (store_or_atomic) {
return index == 0u ? decoded.dst : decoded.src0;
@@ -981,6 +981,8 @@ bool Translator::EmitMemory(const Decoder::Instruction& inst) {
case Decoder::Opcode::DS_WRXCHG_RTN_B32:
return DS_ATOMIC(inst, IR::ValueOpcode::SharedAtomicSwap32, true);
case Decoder::Opcode::IMAGE_ATOMIC_SWAP:
return IMAGE_ATOMIC(inst, IR::ValueOpcode::ImageAtomicSwap32);
case Decoder::Opcode::IMAGE_ATOMIC_ADD:
return IMAGE_ATOMIC(inst, IR::ValueOpcode::ImageAtomicIAdd32);
case Decoder::Opcode::IMAGE_ATOMIC_UMIN:
src/graphics/shader/recompiler/ir/opcodes/ValueOpcodes.cpp
+1
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@@ -204,6 +204,7 @@ ImageOpcodeInfo ImageOpcodeInfoOf(ValueOpcode opcode) {
return {ImageAccess::Read, ImageResourceClass::Sampled, true};
case ValueOpcode::ImageWrite:
return {ImageAccess::Write, ImageResourceClass::Storage, false};
case ValueOpcode::ImageAtomicSwap32:
case ValueOpcode::ImageAtomicIAdd32:
case ValueOpcode::ImageAtomicUMin32:
case ValueOpcode::ImageAtomicUMax32:
src/graphics/shader/recompiler/ir/opcodes/ValueOpcodes.inc
+1
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@@ -268,6 +268,7 @@ VALUE_OPCODE(ImageRead, U32x4, ImageResource, ImageAddress, U1)
VALUE_OPCODE(ImageWrite, Void, ImageResource, ImageAddress, U32x4, U1)
VALUE_OPCODE(ImageSampleRaw, U32x4, ImageResource, SamplerResource, ImageAddress)
VALUE_OPCODE(ImageGatherRaw, U32x4, ImageResource, SamplerResource, ImageAddress)
VALUE_OPCODE(ImageAtomicSwap32, U32, ImageResource, ImageAddress, U32, U1)
VALUE_OPCODE(ImageAtomicIAdd32, U32, ImageResource, ImageAddress, U32, U1)
VALUE_OPCODE(ImageAtomicUMin32, U32, ImageResource, ImageAddress, U32, U1)
VALUE_OPCODE(ImageAtomicUMax32, U32, ImageResource, ImageAddress, U32, U1)