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shader: implement RDNA2 DS forward lane permute

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Co-authored-by: shadowbeat070 <70843316+shadowbeat070@users.noreply.github.com>
This commit is contained in:
nmzik
2026-10-04 09:26:44 +04:00
parent 46900d8042
commit c17fa5b936
10 changed files with 147 additions and 6 deletions
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src/graphics/shader/recompiler/frontend/translate/Memory.cpp
+5 -3
View File
@@ -894,9 +894,10 @@ void Translator::DS_SWIZZLE_B32(const Decoder::Instruction& inst) {
ReadU32(MemorySourceAt(inst, 1)), ir.GetExec()}));
}
void Translator::DS_BPERMUTE_B32(const Decoder::Instruction& inst) {
void Translator::DS_PERMUTE(const Decoder::Instruction& inst, bool backward) {
const auto address = ir.IAdd(ReadU32(inst.src0), IR::U32(IR::Value(inst.offset)));
WriteOperand(inst.dst, ir.Emit(IR::ValueOpcode::BpermuteU32,
WriteOperand(inst.dst, ir.Emit(backward ? IR::ValueOpcode::BpermuteU32
: IR::ValueOpcode::PermuteU32,
{ReadU32(inst.src1), address, ir.GetExec()}));
}
@@ -1112,7 +1113,8 @@ void Translator::EmitMemory(const Decoder::Instruction& inst) {
case Decoder::Opcode::DS_MAX_F32:
return DS_MINMAX_F32(inst, IR::ValueOpcode::SharedAtomicFMax32);
case Decoder::Opcode::DS_SWIZZLE_B32: return DS_SWIZZLE_B32(inst);
case Decoder::Opcode::DS_BPERMUTE_B32: return DS_BPERMUTE_B32(inst);
case Decoder::Opcode::DS_PERMUTE_B32: return DS_PERMUTE(inst, false);
case Decoder::Opcode::DS_BPERMUTE_B32: return DS_PERMUTE(inst, true);
case Decoder::Opcode::DS_CONSUME:
return DS_APPEND_CONSUME(inst, IR::ValueOpcode::DataConsume);
case Decoder::Opcode::DS_APPEND:
src/graphics/shader/recompiler/frontend/translate/Translator.h
+1 -1
View File
@@ -109,7 +109,7 @@ private:
void DS_APPEND_CONSUME(const Decoder::Instruction& inst, IR::ValueOpcode opcode);
void DS_ADDTID(const Decoder::Instruction& inst, bool write);
void DS_SWIZZLE_B32(const Decoder::Instruction& inst);
void DS_BPERMUTE_B32(const Decoder::Instruction& inst);
void DS_PERMUTE(const Decoder::Instruction& inst, bool backward);
IR::F32 SelectF32(IR::U1 condition, IR::F32 true_value, IR::F32 false_value);
IR::U32 ConvertF32ToU32Saturated(IR::F32 value, float upper_bound, float safe_upper,