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graphics: unify atomic feature and width handling

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This commit is contained in:
nmzik
2026-09-03 05:45:45 +02:00
parent 858c18468b
commit c78a5a9fdf
4 changed files with 81 additions and 31 deletions
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tests/shaderCfgTests.cpp
+33 -2
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@@ -8618,10 +8618,41 @@ void TestCapturedBufferAtomicOrX2() {
"64-bit buffer atomic storage view does not use eight-byte elements");
Check(CountSourceOccurrences(source, "Aliased") == 2u,
"both storage-buffer views must declare that they alias");
const auto array_length =
Common::FindIndex(source, std::string("OpArrayLength"), 0);
const auto bounds_branch = Common::FindIndex(
source, std::string("OpBranchConditional"), array_length);
const auto atomic = Common::FindIndex(source, std::string("OpAtomicOr"), 0);
const auto memory_barrier =
Common::FindIndex(source, std::string("OpMemoryBarrier"), atomic);
Check(array_length != Common::FIND_INVALID_INDEX &&
bounds_branch != Common::FIND_INVALID_INDEX &&
atomic != Common::FIND_INVALID_INDEX && bounds_branch < atomic,
"64-bit buffer atomic was not guarded by storage-buffer bounds");
Check(SpirvInstructionOpcodeCount(result.spirv, 241u) == 1u,
"buffer_atomic_or_x2 must lower to exactly one OpAtomicOr");
Check(Common::ContainsStr(source, "OpMemoryBarrier"),
"64-bit buffer atomic SPIR-V lacks its device-memory barrier");
Check(memory_barrier != Common::FIND_INVALID_INDEX && atomic < memory_barrier,
"64-bit buffer atomic lacks a following device-memory barrier");
const std::array glc_shader = {
shader[0] | (1u << 14u), shader[1],
EncodeMubuf0(0x1d, 32, false),
EncodeMubuf1(0, 0, 0), // preserve returned v0:v1 through a dwordx2 store
shader[2],
};
auto glc_result = RecompileForTest(glc_shader, options);
const ShaderRecompiler::IR::Inst *glc_atomic = nullptr;
for (const auto *block : glc_result.program.blocks) {
for (const auto &inst : *block) {
if (inst.GetOpcode() ==
ShaderRecompiler::IR::ValueOpcode::BufferAtomicOr64) {
glc_atomic = &inst;
}
}
}
Check(glc_atomic != nullptr && glc_atomic->UseCount() == 2u,
"GLC=1 buffer_atomic_or_x2 did not feed both returned dwords");
CheckSpirvBinaryValidates(glc_result.spirv);
}
void TestNewShaderRecompilerBranchConditionForms() {