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graphics: accept SDWA byte conversion sources

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This commit is contained in:
nmzik
2026-08-16 08:17:20 +02:00
parent 443bbcbf90
commit 1c4171c9eb
2 changed files with 48 additions and 0 deletions
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src/graphics/shader/recompiler/frontend/decode/VectorAluOps.cpp
+1
View File
@@ -457,6 +457,7 @@ constexpr Vop1SdwaRule VOP1_SDWA_RULES[] = {
SdwaSelWords() | SdwaSelFull(), false},
{Opcode::VCvtF32U32, SdwaSelBytes() | SdwaSelWords() | SdwaSelFull(), 0, 0, false},
{Opcode::VCvtF32I32, SdwaSelBytes() | SdwaSelWords() | SdwaSelFull(), 0, 0, false},
{Opcode::VCvtF32Ubyte0, SdwaSelBytes() | SdwaSelWords() | SdwaSelFull(), 0, 0, false},
{Opcode::VCvtF32F16, SdwaSelWords() | SdwaSelFull(), 0, 0, true},
{Opcode::VCvtF16F32, SdwaSelFull(), SdwaSelWords(), SdwaSelFull(), false},
{Opcode::VCvtF16U16, SdwaSelWords() | SdwaSelFull(), SdwaSelWords(),
tests/shaderCfgTests.cpp
+47
View File
@@ -2745,6 +2745,52 @@ void TestNewShaderRecompilerBootF16UnaryOpcodes() {
CheckSpirvBinaryValidates(result.spirv);
}
void TestNewShaderRecompilerCapturedVop1SdwaByteConvert() {
const uint32_t shader[] = {
0x7e0822f9u,
0x00040609u, // v_cvt_f32_ubyte0 v4, v9.word0 (PS 9ebba6b9)
EncodeExp0(0x00, 0x1),
EncodeExp1(4, 0, 0, 0),
EncodeSopp(0x01),
};
ShaderPixelInputInfo ps_info{};
ps_info.ps_system_input_base = 9;
ps_info.ps_pos_x = true;
ShaderRecompiler::CompileOptions options;
options.stage = ShaderType::Pixel;
options.dump_ir = true;
options.pixel_input_info = &ps_info;
ShaderRecompiler::CompileResult result;
std::string error;
Check(ShaderRecompiler::TryRecompile(shader, options, result, &error),
error.c_str());
Check(Common::ContainsStr(
result.decoded_dump,
"v_cvt_f32_ubyte0 v4, v9.sdwa(sel=4,sext=0)"),
"captured V_CVT_F32_UBYTE0 SDWA instruction was not decoded");
size_t extracts = 0;
size_t converts = 0;
for (const auto *block : result.program.values->blocks) {
for (const auto &inst : *block) {
extracts += inst.GetOpcode() ==
ShaderRecompiler::IR::ValueOpcode::BitFieldUExtract;
converts += inst.GetOpcode() ==
ShaderRecompiler::IR::ValueOpcode::ConvertF32U32;
}
}
Check(extracts != 0u && converts != 0u,
"captured SDWA byte conversion did not remain live in typed IR");
Check(SpirvContainsOpcode(result.spirv, 203),
"captured SDWA byte conversion did not emit OpBitFieldUExtract");
Check(SpirvContainsOpcode(result.spirv, 112),
"captured SDWA byte conversion did not emit OpConvertUToF");
CheckSpirvBinaryValidates(result.spirv);
}
void TestNewShaderRecompilerBootB16PackedAndSdwaOpcodes() {
const uint32_t shader[] = {
0xd7070001u,
@@ -9140,6 +9186,7 @@ int main() {
TestNormalizedImageContracts();
TestNativeSubgroupPolicy();
TestNewShaderRecompilerSMovB32();
TestNewShaderRecompilerCapturedVop1SdwaByteConvert();
TestNewShaderRecompilerScalarMemoryBindingDomains();
// Opcode semantics and optimized direct SPIR-V are exercised by
// ShaderRecompilerComputeTests. The pre-SSA register-IR shape checks above