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shader: Add floating-point rounding to I2F

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This commit is contained in:
ReinUsesLisp 2021-05-10 03:55:09 -03:00 • committed by ameerj
parent 3f00a2ad3f
commit 3b6a632237
3 changed files with 42 additions and 35 deletions
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60
src/shader_recompiler/frontend/ir/ir_emitter.cpp
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@ -1622,84 +1622,86 @@ U32U64 IREmitter::ConvertFToI(size_t bitsize, bool is_signed, const F16F32F64& v
return is_signed ? ConvertFToS(bitsize, value) : ConvertFToU(bitsize, value);
}
F16F32F64 IREmitter::ConvertSToF(size_t dest_bitsize, size_t src_bitsize, const Value& value) {
F16F32F64 IREmitter::ConvertSToF(size_t dest_bitsize, size_t src_bitsize, const Value& value,
FpControl control) {
switch (dest_bitsize) {
case 16:
switch (src_bitsize) {
case 8:
return Inst<F16>(Opcode::ConvertF16S8, value);
return Inst<F16>(Opcode::ConvertF16S8, Flags{control}, value);
case 16:
return Inst<F16>(Opcode::ConvertF16S16, value);
return Inst<F16>(Opcode::ConvertF16S16, Flags{control}, value);
case 32:
return Inst<F16>(Opcode::ConvertF16S32, value);
return Inst<F16>(Opcode::ConvertF16S32, Flags{control}, value);
case 64:
return Inst<F16>(Opcode::ConvertF16S64, value);
return Inst<F16>(Opcode::ConvertF16S64, Flags{control}, value);
}
break;
case 32:
switch (src_bitsize) {
case 8:
return Inst<F32>(Opcode::ConvertF32S8, value);
return Inst<F32>(Opcode::ConvertF32S8, Flags{control}, value);
case 16:
return Inst<F32>(Opcode::ConvertF32S16, value);
return Inst<F32>(Opcode::ConvertF32S16, Flags{control}, value);
case 32:
return Inst<F32>(Opcode::ConvertF32S32, value);
return Inst<F32>(Opcode::ConvertF32S32, Flags{control}, value);
case 64:
return Inst<F32>(Opcode::ConvertF32S64, value);
return Inst<F32>(Opcode::ConvertF32S64, Flags{control}, value);
}
break;
case 64:
switch (src_bitsize) {
case 8:
return Inst<F64>(Opcode::ConvertF64S8, value);
return Inst<F64>(Opcode::ConvertF64S8, Flags{control}, value);
case 16:
return Inst<F64>(Opcode::ConvertF64S16, value);
return Inst<F64>(Opcode::ConvertF64S16, Flags{control}, value);
case 32:
return Inst<F64>(Opcode::ConvertF64S32, value);
return Inst<F64>(Opcode::ConvertF64S32, Flags{control}, value);
case 64:
return Inst<F64>(Opcode::ConvertF64S64, value);
return Inst<F64>(Opcode::ConvertF64S64, Flags{control}, value);
}
break;
}
throw InvalidArgument("Invalid bit size combination dst={} src={}", dest_bitsize, src_bitsize);
}
F16F32F64 IREmitter::ConvertUToF(size_t dest_bitsize, size_t src_bitsize, const Value& value) {
F16F32F64 IREmitter::ConvertUToF(size_t dest_bitsize, size_t src_bitsize, const Value& value,
FpControl control) {
switch (dest_bitsize) {
case 16:
switch (src_bitsize) {
case 8:
return Inst<F16>(Opcode::ConvertF16U8, value);
return Inst<F16>(Opcode::ConvertF16U8, Flags{control}, value);
case 16:
return Inst<F16>(Opcode::ConvertF16U16, value);
return Inst<F16>(Opcode::ConvertF16U16, Flags{control}, value);
case 32:
return Inst<F16>(Opcode::ConvertF16U32, value);
return Inst<F16>(Opcode::ConvertF16U32, Flags{control}, value);
case 64:
return Inst<F16>(Opcode::ConvertF16U64, value);
return Inst<F16>(Opcode::ConvertF16U64, Flags{control}, value);
}
break;
case 32:
switch (src_bitsize) {
case 8:
return Inst<F32>(Opcode::ConvertF32U8, value);
return Inst<F32>(Opcode::ConvertF32U8, Flags{control}, value);
case 16:
return Inst<F32>(Opcode::ConvertF32U16, value);
return Inst<F32>(Opcode::ConvertF32U16, Flags{control}, value);
case 32:
return Inst<F32>(Opcode::ConvertF32U32, value);
return Inst<F32>(Opcode::ConvertF32U32, Flags{control}, value);
case 64:
return Inst<F32>(Opcode::ConvertF32U64, value);
return Inst<F32>(Opcode::ConvertF32U64, Flags{control}, value);
}
break;
case 64:
switch (src_bitsize) {
case 8:
return Inst<F64>(Opcode::ConvertF64U8, value);
return Inst<F64>(Opcode::ConvertF64U8, Flags{control}, value);
case 16:
return Inst<F64>(Opcode::ConvertF64U16, value);
return Inst<F64>(Opcode::ConvertF64U16, Flags{control}, value);
case 32:
return Inst<F64>(Opcode::ConvertF64U32, value);
return Inst<F64>(Opcode::ConvertF64U32, Flags{control}, value);
case 64:
return Inst<F64>(Opcode::ConvertF64U64, value);
return Inst<F64>(Opcode::ConvertF64U64, Flags{control}, value);
}
break;
}
@ -1707,9 +1709,9 @@ F16F32F64 IREmitter::ConvertUToF(size_t dest_bitsize, size_t src_bitsize, const
}
F16F32F64 IREmitter::ConvertIToF(size_t dest_bitsize, size_t src_bitsize, bool is_signed,
const Value& value) {
return is_signed ? ConvertSToF(dest_bitsize, src_bitsize, value)
: ConvertUToF(dest_bitsize, src_bitsize, value);
const Value& value, FpControl control) {
return is_signed ? ConvertSToF(dest_bitsize, src_bitsize, value, control)
: ConvertUToF(dest_bitsize, src_bitsize, value, control);
}
U32U64 IREmitter::UConvert(size_t result_bitsize, const U32U64& value) {