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shader: implement BUFFER_ATOMIC_CMPSWAP (#357)

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shader: implement RDNA2 buffer atomic compare swap

Co-authored-by: nmzik <Nmzik@mail.ru>
This commit is contained in:
GodsWill Dev
2026-09-03 17:34:34 -04:00
committed by GitHub
parent 5b8e3b51b0
commit 2fe5c150bc
9 changed files with 142 additions and 49 deletions
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src/graphics/shader/recompiler/frontend/decode/MemoryOps.cpp
+1
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@@ -47,6 +47,7 @@ constexpr MemoryOpcodeInfo MUBUF_OPCODE_LIST[] = {
{0x1eu, Opcode::BUFFER_STORE_DWORDX4, 4, 32},
{0x1fu, Opcode::BUFFER_STORE_DWORDX3, 3, 32},
{0x30u, Opcode::BUFFER_ATOMIC_SWAP, 1, 32},
{0x31u, Opcode::BUFFER_ATOMIC_CMPSWAP, 1, 32},
{0x32u, Opcode::BUFFER_ATOMIC_ADD, 1, 32},
{0x33u, Opcode::BUFFER_ATOMIC_SUB, 1, 32},
{0x35u, Opcode::BUFFER_ATOMIC_SMIN, 1, 32},
src/graphics/shader/recompiler/frontend/decode/ShaderDecoder.cpp
+1
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@@ -592,6 +592,7 @@ std::string InstructionToString(const Instruction& inst) {
case Opcode::TBUFFER_STORE_FORMAT_XYZ:
case Opcode::TBUFFER_STORE_FORMAT_XYZW:
case Opcode::BUFFER_ATOMIC_SWAP:
case Opcode::BUFFER_ATOMIC_CMPSWAP:
case Opcode::BUFFER_ATOMIC_SWAP_X2:
case Opcode::BUFFER_ATOMIC_ADD:
case Opcode::BUFFER_ATOMIC_SUB:
src/graphics/shader/recompiler/frontend/decode/ShaderDecoder.h
+1
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@@ -455,6 +455,7 @@ enum class Opcode {
TBUFFER_STORE_FORMAT_XYZ,
TBUFFER_STORE_FORMAT_XYZW,
BUFFER_ATOMIC_SWAP,
BUFFER_ATOMIC_CMPSWAP,
BUFFER_ATOMIC_SWAP_X2,
BUFFER_ATOMIC_ADD,
BUFFER_ATOMIC_SUB,