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shader_recompiler: Implement FREXP instructions. (#1766)

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squidbus 2024-12-13 11:51:39 -08:00 • committed by GitHub
parent 722a0e36be
commit f1c23d514b
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10 changed files with 119 additions and 8 deletions
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26
src/shader_recompiler/backend/spirv/emit_spirv_floating_point.cpp
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@ -225,10 +225,34 @@ Id EmitFPTrunc64(EmitContext& ctx, Id value) {
return ctx.OpTrunc(ctx.F64[1], value);
}
Id EmitFPFract(EmitContext& ctx, Id value) {
Id EmitFPFract32(EmitContext& ctx, Id value) {
return ctx.OpFract(ctx.F32[1], value);
}
Id EmitFPFract64(EmitContext& ctx, Id value) {
return ctx.OpFract(ctx.F64[1], value);
}
Id EmitFPFrexpSig32(EmitContext& ctx, Id value) {
const auto frexp = ctx.OpFrexpStruct(ctx.frexp_result_f32, value);
return ctx.OpCompositeExtract(ctx.F32[1], frexp, 0);
}
Id EmitFPFrexpSig64(EmitContext& ctx, Id value) {
const auto frexp = ctx.OpFrexpStruct(ctx.frexp_result_f64, value);
return ctx.OpCompositeExtract(ctx.F64[1], frexp, 0);
}
Id EmitFPFrexpExp32(EmitContext& ctx, Id value) {
const auto frexp = ctx.OpFrexpStruct(ctx.frexp_result_f32, value);
return ctx.OpCompositeExtract(ctx.U32[1], frexp, 1);
}
Id EmitFPFrexpExp64(EmitContext& ctx, Id value) {
const auto frexp = ctx.OpFrexpStruct(ctx.frexp_result_f64, value);
return ctx.OpCompositeExtract(ctx.U32[1], frexp, 1);
}
Id EmitFPOrdEqual16(EmitContext& ctx, Id lhs, Id rhs) {
return ctx.OpFOrdEqual(ctx.U1[1], lhs, rhs);
}

7
src/shader_recompiler/backend/spirv/emit_spirv_instructions.h
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@ -222,7 +222,12 @@ Id EmitFPCeil64(EmitContext& ctx, Id value);
Id EmitFPTrunc16(EmitContext& ctx, Id value);
Id EmitFPTrunc32(EmitContext& ctx, Id value);
Id EmitFPTrunc64(EmitContext& ctx, Id value);
Id EmitFPFract(EmitContext& ctx, Id value);
Id EmitFPFract32(EmitContext& ctx, Id value);
Id EmitFPFract64(EmitContext& ctx, Id value);
Id EmitFPFrexpSig32(EmitContext& ctx, Id value);
Id EmitFPFrexpSig64(EmitContext& ctx, Id value);
Id EmitFPFrexpExp32(EmitContext& ctx, Id value);
Id EmitFPFrexpExp64(EmitContext& ctx, Id value);
Id EmitFPOrdEqual16(EmitContext& ctx, Id lhs, Id rhs);
Id EmitFPOrdEqual32(EmitContext& ctx, Id lhs, Id rhs);
Id EmitFPOrdEqual64(EmitContext& ctx, Id lhs, Id rhs);

4
src/shader_recompiler/backend/spirv/spirv_emit_context.cpp
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@ -147,6 +147,10 @@ void EmitContext::DefineArithmeticTypes() {
full_result_i32x2 = Name(TypeStruct(S32[1], S32[1]), "full_result_i32x2");
full_result_u32x2 = Name(TypeStruct(U32[1], U32[1]), "full_result_u32x2");
frexp_result_f32 = Name(TypeStruct(F32[1], U32[1]), "frexp_result_f32");
if (info.uses_fp64) {
frexp_result_f64 = Name(TypeStruct(F64[1], U32[1]), "frexp_result_f64");
}
}
void EmitContext::DefineInterfaces() {

2
src/shader_recompiler/backend/spirv/spirv_emit_context.h
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@ -148,6 +148,8 @@ public:
Id full_result_i32x2;
Id full_result_u32x2;
Id frexp_result_f32;
Id frexp_result_f64;
Id pi_x2;