shader: Reimplement GetCbufU64 as GetCbufU32x2

It may generate better code on some compilers and it's easier to handle.
This commit is contained in:
ReinUsesLisp 2021-04-04 02:31:09 -03:00 committed by ameerj
parent 5b3c6d59c2
commit 3f594dd86b
9 changed files with 21 additions and 22 deletions

View file

@ -162,8 +162,8 @@ U32 IREmitter::GetCbuf(const U32& binding, const U32& byte_offset) {
return Inst<U32>(Opcode::GetCbufU32, binding, byte_offset);
}
UAny IREmitter::GetCbuf(const U32& binding, const U32& byte_offset, size_t bitsize,
bool is_signed) {
Value IREmitter::GetCbuf(const U32& binding, const U32& byte_offset, size_t bitsize,
bool is_signed) {
switch (bitsize) {
case 8:
return Inst<U32>(is_signed ? Opcode::GetCbufS8 : Opcode::GetCbufU8, binding, byte_offset);
@ -172,7 +172,7 @@ UAny IREmitter::GetCbuf(const U32& binding, const U32& byte_offset, size_t bitsi
case 32:
return Inst<U32>(Opcode::GetCbufU32, binding, byte_offset);
case 64:
return Inst<U64>(Opcode::GetCbufU64, binding, byte_offset);
return Inst(Opcode::GetCbufU32x2, binding, byte_offset);
default:
throw InvalidArgument("Invalid bit size {}", bitsize);
}

View file

@ -56,8 +56,8 @@ public:
void SetIndirectBranchVariable(const U32& value);
[[nodiscard]] U32 GetCbuf(const U32& binding, const U32& byte_offset);
[[nodiscard]] UAny GetCbuf(const U32& binding, const U32& byte_offset, size_t bitsize,
bool is_signed);
[[nodiscard]] Value GetCbuf(const U32& binding, const U32& byte_offset, size_t bitsize,
bool is_signed);
[[nodiscard]] F32 GetFloatCbuf(const U32& binding, const U32& byte_offset);
[[nodiscard]] U1 GetZFlag();

View file

@ -40,7 +40,7 @@ OPCODE(GetCbufU16, U32, U32,
OPCODE(GetCbufS16, U32, U32, U32, )
OPCODE(GetCbufU32, U32, U32, U32, )
OPCODE(GetCbufF32, F32, U32, U32, )
OPCODE(GetCbufU64, U64, U32, U32, )
OPCODE(GetCbufU32x2, U32x2, U32, U32, )
OPCODE(GetAttribute, F32, Attribute, )
OPCODE(SetAttribute, Void, Attribute, F32, )
OPCODE(GetAttributeIndexed, F32, U32, )