raphiaura/KytyPS5
1
0
Fork 0
mirror of https://github.com/KytyPS5/KytyPS5.git synced 2026-10-22 11:56:58 +02:00
Code Issues Packages Projects Releases Wiki Activity

shader: emit F32 min/max as exact compare-selects, MED3 with one max and saturate as NClamp

Browse Source
This commit is contained in:
nmzik
2026-10-20 23:36:26 +02:00
parent 8cc5f5364a
commit 3c4124dafa
4 changed files with 45 additions and 51 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/graphics/shader/recompiler/backend/spirv/spirvEmitterAlu.cpp
+4 -6
View File
@@ -115,7 +115,7 @@ uint32_t EmitF32ToU32(EmitterState& state, uint32_t src, bool signed_value) {
} else {
state.builder.AddFunction(spv::OpConvertFToU, TypeU32(state), converted_raw, trunc);
}
const auto nan = EmitClassifyF32(state, src).nan;
const auto nan = Unary(state, spv::OpIsNan, TypeBool(state), src);
if (signed_value) {
const auto below = Binary(state, spv::OpFOrdLessThanEqual, TypeBool(state), src,
ConstantF32(state, 0xcf000000u));
@@ -242,11 +242,9 @@ uint32_t EmitPackFloat2x16Rtz(EmitterState& state, uint32_t arg0, uint32_t arg1)
}
uint32_t EmitFPSaturate32(EmitterState& state, uint32_t arg0) {
// The clamp modifier runs in DX10 clamp mode: NaN becomes 0. FClamp leaves NaN undefined.
const auto clamped = EmitExt(state, TypeF32(state), GLSLstd450FClamp,
{arg0, ConstantF32(state, 0), ConstantF32(state, 0x3f800000u)});
return Select(state, TypeF32(state), EmitClassifyF32(state, arg0).nan, ConstantF32(state, 0),
clamped);
// The clamp modifier runs in DX10 clamp mode: NaN becomes 0, as NClamp's NMax step does.
return EmitExt(state, TypeF32(state), GLSLstd450NClamp,
{arg0, ConstantF32(state, 0), ConstantF32(state, 0x3f800000u)});
}
uint32_t EmitSMulHi(EmitterState& state, uint32_t arg0, uint32_t arg1) {