raphiaura/KytyPS5
1
0
Fork 0
mirror of https://github.com/KytyPS5/KytyPS5.git synced 2026-10-20 19:07:01 +02:00
Code Issues Packages Projects Releases Wiki Activity

shader: classify native half values with shared operand decoding

Browse Source
This commit is contained in:
nmzik
2026-10-05 15:31:47 +04:00
parent 1d41ddb378
commit 7a0e1dafd7
13 changed files with 208 additions and 81 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/graphics/shader/recompiler/backend/spirv/spirvEmitterAluHelpers.cpp
+19 -8
View File
@@ -125,20 +125,23 @@ uint32_t EmitClassMaskBitMatch(EmitterState& state, uint32_t mask, uint32_t bit,
return EmitLogicalAndBool(state, selected, class_match);
}
uint32_t EmitClassMaskF32(EmitterState& state, uint32_t value, uint32_t mask) {
const auto bits = EmitBitcastF32ToU32(state, value);
const auto sign_bits = EmitAndConstant(state, bits, 0x80000000u);
const auto abs_bits = EmitAndConstant(state, bits, 0x7fffffffu);
const auto exponent_bits = EmitAndConstant(state, abs_bits, 0x7f800000u);
const auto mantissa_bits = EmitAndConstant(state, abs_bits, 0x007fffffu);
const auto quiet_bits = EmitAndConstant(state, mantissa_bits, 0x00400000u);
static uint32_t EmitClassMaskBits(EmitterState& state, uint32_t bits, uint32_t mask, bool half) {
const uint32_t sign_mask = half ? 0x8000u : 0x80000000u;
const uint32_t exponent_mask = half ? 0x7c00u : 0x7f800000u;
const uint32_t mantissa_mask = half ? 0x03ffu : 0x007fffffu;
const uint32_t quiet_mask = half ? 0x0200u : 0x00400000u;
const auto sign_bits = EmitAndConstant(state, bits, sign_mask);
const auto abs_bits = EmitAndConstant(state, bits, sign_mask - 1u);
const auto exponent_bits = EmitAndConstant(state, abs_bits, exponent_mask);
const auto mantissa_bits = EmitAndConstant(state, abs_bits, mantissa_mask);
const auto quiet_bits = EmitAndConstant(state, mantissa_bits, quiet_mask);
const auto sign = EmitCompareU32Constant(state, spv::OpINotEqual, sign_bits, 0);
const auto positive = EmitLogicalNotBool(state, sign);
const auto exponent_zero = EmitCompareU32Constant(state, spv::OpIEqual, exponent_bits, 0);
const auto exponent_nonzero = EmitLogicalNotBool(state, exponent_zero);
const auto exponent_inf =
EmitCompareU32Constant(state, spv::OpIEqual, exponent_bits, 0x7f800000u);
EmitCompareU32Constant(state, spv::OpIEqual, exponent_bits, exponent_mask);
const auto finite_exponent = EmitLogicalNotBool(state, exponent_inf);
const auto mantissa_zero = EmitCompareU32Constant(state, spv::OpIEqual, mantissa_bits, 0);
const auto mantissa_nonzero = EmitLogicalNotBool(state, mantissa_zero);
@@ -178,6 +181,14 @@ uint32_t EmitClassMaskF32(EmitterState& state, uint32_t value, uint32_t mask) {
EmitClassMaskBitMatch(state, mask, 9, EmitLogicalAndBool(state, inf, positive)));
}
uint32_t EmitClassMaskF32(EmitterState& state, uint32_t value, uint32_t mask) {
return EmitClassMaskBits(state, EmitBitcastF32ToU32(state, value), mask, false);
}
uint32_t EmitClassMaskF16(EmitterState& state, uint32_t bits, uint32_t mask) {
return EmitClassMaskBits(state, bits, mask, true);
}
uint32_t EmitMinMaxF32Value(EmitterState& state, uint32_t lhs, uint32_t rhs, bool max_value) {
const auto lhs_class = EmitClassifyF32(state, lhs);
const auto rhs_class = EmitClassifyF32(state, rhs);