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shader: Refactor PTP and other minor changes

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This commit is contained in:
ReinUsesLisp 2021-03-26 16:46:07 -03:00 • committed by ameerj
parent b5db38f50e
commit d9c5bd9509
14 changed files with 67 additions and 123 deletions
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28
src/shader_recompiler/frontend/maxwell/translate/impl/texture_gather.cpp
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@ -106,17 +106,17 @@ IR::Value MakeOffset(TranslatorVisitor& v, IR::Reg& reg, TextureType type) {
throw NotImplementedException("Invalid texture type {}", type);
}
IR::Value MakeOffsetPTP(TranslatorVisitor& v, IR::Reg& reg) {
std::pair<IR::Value, IR::Value> MakeOffsetPTP(TranslatorVisitor& v, IR::Reg& reg) {
const IR::U32 value1{v.X(reg++)};
const IR::U32 value2{v.X(reg++)};
const IR::U32 bitsize = v.ir.Imm32(6);
const auto getVector = ([&v, &bitsize](const IR::U32& value, u32 base) {
return v.ir.CompositeConstruct(
v.ir.BitFieldExtract(value, v.ir.Imm32(base + 0), bitsize, true),
v.ir.BitFieldExtract(value, v.ir.Imm32(base + 8), bitsize, true));
});
return v.ir.CompositeConstruct(getVector(value1, 0), getVector(value1, 16),
getVector(value2, 0), getVector(value2, 16));
const IR::U32 bitsize{v.ir.Imm32(6)};
const auto make_vector{[&v, &bitsize](const IR::U32& value) {
return v.ir.CompositeConstruct(v.ir.BitFieldExtract(value, v.ir.Imm32(0), bitsize, true),
v.ir.BitFieldExtract(value, v.ir.Imm32(8), bitsize, true),
v.ir.BitFieldExtract(value, v.ir.Imm32(16), bitsize, true),
v.ir.BitFieldExtract(value, v.ir.Imm32(24), bitsize, true));
}};
return {make_vector(value1), make_vector(value2)};
}
void Impl(TranslatorVisitor& v, u64 insn, ComponentType component_type, OffsetType offset_type,
@ -150,14 +150,12 @@ void Impl(TranslatorVisitor& v, u64 insn, ComponentType component_type, OffsetTy
switch (offset_type) {
case OffsetType::None:
break;
case OffsetType::AOFFI: {
case OffsetType::AOFFI:
offset = MakeOffset(v, meta_reg, tld4.type);
break;
}
case OffsetType::PTP: {
offset2 = MakeOffsetPTP(v, meta_reg);
case OffsetType::PTP:
std::tie(offset, offset2) = MakeOffsetPTP(v, meta_reg);
break;
}
default:
throw NotImplementedException("Invalid offset type {}", offset_type);
}
@ -167,7 +165,7 @@ void Impl(TranslatorVisitor& v, u64 insn, ComponentType component_type, OffsetTy
IR::TextureInstInfo info{};
info.type.Assign(GetType(tld4.type, tld4.dc != 0));
info.gather_component.Assign(static_cast<u32>(component_type));
const IR::Value sample{[&]() -> IR::Value {
const IR::Value sample{[&] {
if (tld4.dc == 0) {
return v.ir.ImageGather(handle, coords, offset, offset2, info);
}