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shader: emit native integer operations and remove signedness casts

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This commit is contained in:
nmzik
2026-10-09 02:39:22 +02:00
parent 3df456675d
commit ee4dd90649
5 changed files with 97 additions and 109 deletions
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src/graphics/shader/recompiler/backend/spirv/spirvEmitterAlu.cpp
+8 -57
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@@ -56,23 +56,6 @@ uint32_t EmitMulHigh(EmitterState& state, uint32_t lhs, uint32_t rhs, bool signe
return signed_value ? Unary(state, spv::OpBitcast, TypeU32(state), high) : high;
}
uint32_t EmitMinMax3(EmitterState& state, uint32_t a, uint32_t b, uint32_t c, bool signed_value,
bool max_value) {
const auto ab = signed_value ? EmitMinMaxI32Value(state, a, b, max_value)
: EmitMinMaxU32Value(state, a, b, max_value);
return signed_value ? EmitMinMaxI32Value(state, ab, c, max_value)
: EmitMinMaxU32Value(state, ab, c, max_value);
}
uint32_t EmitMed3(EmitterState& state, uint32_t a, uint32_t b, uint32_t c, bool signed_value) {
const auto minimum = EmitMinMax3(state, a, b, c, signed_value, false);
const auto maximum = EmitMinMax3(state, a, b, c, signed_value, true);
const auto ab = Binary(state, spv::OpIAdd, TypeU32(state), a, b);
const auto abc = Binary(state, spv::OpIAdd, TypeU32(state), ab, c);
return Binary(state, spv::OpISub, TypeU32(state),
Binary(state, spv::OpISub, TypeU32(state), abc, minimum), maximum);
}
uint32_t EmitFMinMax3(EmitterState& state, uint32_t a, uint32_t b, uint32_t c, bool max_value) {
return EmitMinMaxF32Value(state, EmitMinMaxF32Value(state, a, b, max_value), c, max_value);
}
@@ -246,14 +229,6 @@ uint32_t EmitUMulHi(EmitterState& state, uint32_t arg0, uint32_t arg1) {
return EmitMulHigh(state, arg0, arg1, false);
}
uint32_t EmitIAbs32(EmitterState& state, uint32_t arg0) {
const auto value = arg0;
const auto neg = Unary(state, spv::OpSNegate, TypeU32(state), value);
const auto negative =
Binary(state, spv::OpSLessThan, TypeBool(state), value, ConstantU32(state, 0));
return Select(state, TypeU32(state), negative, neg, value);
}
uint32_t EmitBitCount64(EmitterState& state, uint32_t arg0) {
// Vulkan bit-count operands remain 32-bit, including when counting a U64.
const auto unpacked = Unary(state, spv::OpBitcast, TypeU32Vector(state, 2), arg0);
@@ -262,54 +237,30 @@ uint32_t EmitBitCount64(EmitterState& state, uint32_t arg0) {
return Binary(state, spv::OpIAdd, TypeU32(state), pair.low, pair.high);
}
uint32_t EmitFindILsb32(EmitterState& state, uint32_t arg0) {
const auto value = EmitExt(state, TypeI32(state), GLSLstd450FindILsb, {arg0});
return Unary(state, spv::OpBitcast, TypeU32(state), value);
}
uint32_t EmitFindUMsb32(EmitterState& state, uint32_t arg0) {
const auto value = EmitExt(state, TypeI32(state), GLSLstd450FindUMsb, {arg0});
return Unary(state, spv::OpBitcast, TypeU32(state), value);
}
uint32_t EmitSMin32(EmitterState& state, uint32_t arg0, uint32_t arg1) {
return EmitMinMaxI32Value(state, arg0, arg1, false);
}
uint32_t EmitSMax32(EmitterState& state, uint32_t arg0, uint32_t arg1) {
return EmitMinMaxI32Value(state, arg0, arg1, true);
}
uint32_t EmitUMin32(EmitterState& state, uint32_t arg0, uint32_t arg1) {
return EmitMinMaxU32Value(state, arg0, arg1, false);
}
uint32_t EmitUMax32(EmitterState& state, uint32_t arg0, uint32_t arg1) {
return EmitMinMaxU32Value(state, arg0, arg1, true);
}
uint32_t EmitSMinTri32(EmitterState& state, uint32_t arg0, uint32_t arg1, uint32_t arg2) {
return EmitMinMax3(state, arg0, arg1, arg2, true, false);
return EmitSMin32(state, arg0, EmitSMin32(state, arg1, arg2));
}
uint32_t EmitSMaxTri32(EmitterState& state, uint32_t arg0, uint32_t arg1, uint32_t arg2) {
return EmitMinMax3(state, arg0, arg1, arg2, true, true);
return EmitSMax32(state, arg0, EmitSMax32(state, arg1, arg2));
}
uint32_t EmitUMinTri32(EmitterState& state, uint32_t arg0, uint32_t arg1, uint32_t arg2) {
return EmitMinMax3(state, arg0, arg1, arg2, false, false);
return EmitUMin32(state, arg0, EmitUMin32(state, arg1, arg2));
}
uint32_t EmitUMaxTri32(EmitterState& state, uint32_t arg0, uint32_t arg1, uint32_t arg2) {
return EmitMinMax3(state, arg0, arg1, arg2, false, true);
return EmitUMax32(state, arg0, EmitUMax32(state, arg1, arg2));
}
uint32_t EmitSMedTri32(EmitterState& state, uint32_t arg0, uint32_t arg1, uint32_t arg2) {
return EmitMed3(state, arg0, arg1, arg2, true);
const auto high_min = EmitSMin32(state, EmitSMax32(state, arg0, arg1), arg2);
return EmitSMax32(state, EmitSMin32(state, arg0, arg1), high_min);
}
uint32_t EmitUMedTri32(EmitterState& state, uint32_t arg0, uint32_t arg1, uint32_t arg2) {
return EmitMed3(state, arg0, arg1, arg2, false);
const auto high_min = EmitUMin32(state, EmitUMax32(state, arg0, arg1), arg2);
return EmitUMax32(state, EmitUMin32(state, arg0, arg1), high_min);
}
uint32_t EmitFPIsNan32(EmitterState& state, uint32_t arg0) {