mirror of
https://github.com/yuzu-emu/yuzu.git
synced 2024-11-17 20:30:08 +00:00
210 lines
7.1 KiB
C++
210 lines
7.1 KiB
C++
// Copyright 2021 yuzu Emulator Project
|
|
// Licensed under GPLv2 or any later version
|
|
// Refer to the license.txt file included.
|
|
|
|
#include <optional>
|
|
|
|
#include "common/bit_field.h"
|
|
#include "common/common_types.h"
|
|
#include "shader_recompiler/frontend/ir/modifiers.h"
|
|
#include "shader_recompiler/frontend/maxwell/translate/impl/impl.h"
|
|
|
|
namespace Shader::Maxwell {
|
|
namespace {
|
|
|
|
enum class TextureType : u64 {
|
|
_1D,
|
|
ARRAY_1D,
|
|
_2D,
|
|
ARRAY_2D,
|
|
_3D,
|
|
ARRAY_3D,
|
|
CUBE,
|
|
ARRAY_CUBE,
|
|
};
|
|
|
|
enum class OffsetType : u64 {
|
|
None = 0,
|
|
AOFFI,
|
|
PTP,
|
|
Invalid,
|
|
};
|
|
|
|
enum class ComponentType : u64 {
|
|
R = 0,
|
|
G = 1,
|
|
B = 2,
|
|
A = 3,
|
|
};
|
|
|
|
Shader::TextureType GetType(TextureType type, bool dc) {
|
|
switch (type) {
|
|
case TextureType::_1D:
|
|
return dc ? Shader::TextureType::Shadow1D : Shader::TextureType::Color1D;
|
|
case TextureType::ARRAY_1D:
|
|
return dc ? Shader::TextureType::ShadowArray1D : Shader::TextureType::ColorArray1D;
|
|
case TextureType::_2D:
|
|
return dc ? Shader::TextureType::Shadow2D : Shader::TextureType::Color2D;
|
|
case TextureType::ARRAY_2D:
|
|
return dc ? Shader::TextureType::ShadowArray2D : Shader::TextureType::ColorArray2D;
|
|
case TextureType::_3D:
|
|
return dc ? Shader::TextureType::Shadow3D : Shader::TextureType::Color3D;
|
|
case TextureType::ARRAY_3D:
|
|
throw NotImplementedException("3D array texture type");
|
|
case TextureType::CUBE:
|
|
return dc ? Shader::TextureType::ShadowCube : Shader::TextureType::ColorCube;
|
|
case TextureType::ARRAY_CUBE:
|
|
return dc ? Shader::TextureType::ShadowArrayCube : Shader::TextureType::ColorArrayCube;
|
|
}
|
|
throw NotImplementedException("Invalid texture type {}", type);
|
|
}
|
|
|
|
IR::Value MakeCoords(TranslatorVisitor& v, IR::Reg reg, TextureType type) {
|
|
const auto read_array{[&]() -> IR::F32 { return v.ir.ConvertUToF(32, 16, v.X(reg)); }};
|
|
switch (type) {
|
|
case TextureType::_1D:
|
|
return v.F(reg);
|
|
case TextureType::ARRAY_1D:
|
|
return v.ir.CompositeConstruct(v.F(reg + 1), read_array());
|
|
case TextureType::_2D:
|
|
return v.ir.CompositeConstruct(v.F(reg), v.F(reg + 1));
|
|
case TextureType::ARRAY_2D:
|
|
return v.ir.CompositeConstruct(v.F(reg + 1), v.F(reg + 2), read_array());
|
|
case TextureType::_3D:
|
|
return v.ir.CompositeConstruct(v.F(reg), v.F(reg + 1), v.F(reg + 2));
|
|
case TextureType::ARRAY_3D:
|
|
throw NotImplementedException("3D array texture type");
|
|
case TextureType::CUBE:
|
|
return v.ir.CompositeConstruct(v.F(reg), v.F(reg + 1), v.F(reg + 2));
|
|
case TextureType::ARRAY_CUBE:
|
|
return v.ir.CompositeConstruct(v.F(reg + 1), v.F(reg + 2), v.F(reg + 3), read_array());
|
|
}
|
|
throw NotImplementedException("Invalid texture type {}", type);
|
|
}
|
|
|
|
IR::Value MakeOffset(TranslatorVisitor& v, IR::Reg& reg, TextureType type) {
|
|
const IR::U32 value{v.X(reg++)};
|
|
switch (type) {
|
|
case TextureType::_1D:
|
|
case TextureType::ARRAY_1D:
|
|
return v.ir.BitFieldExtract(value, v.ir.Imm32(0), v.ir.Imm32(6), true);
|
|
case TextureType::_2D:
|
|
case TextureType::ARRAY_2D:
|
|
return v.ir.CompositeConstruct(
|
|
v.ir.BitFieldExtract(value, v.ir.Imm32(0), v.ir.Imm32(6), true),
|
|
v.ir.BitFieldExtract(value, v.ir.Imm32(8), v.ir.Imm32(6), true));
|
|
case TextureType::_3D:
|
|
case TextureType::ARRAY_3D:
|
|
return v.ir.CompositeConstruct(
|
|
v.ir.BitFieldExtract(value, v.ir.Imm32(0), v.ir.Imm32(6), true),
|
|
v.ir.BitFieldExtract(value, v.ir.Imm32(8), v.ir.Imm32(6), true),
|
|
v.ir.BitFieldExtract(value, v.ir.Imm32(16), v.ir.Imm32(6), true));
|
|
case TextureType::CUBE:
|
|
case TextureType::ARRAY_CUBE:
|
|
throw NotImplementedException("Illegal offset on CUBE sample");
|
|
}
|
|
throw NotImplementedException("Invalid texture type {}", type);
|
|
}
|
|
|
|
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));
|
|
}
|
|
|
|
void Impl(TranslatorVisitor& v, u64 insn, ComponentType component_type, OffsetType offset_type,
|
|
bool is_bindless) {
|
|
union {
|
|
u64 raw;
|
|
BitField<35, 1, u64> ndv;
|
|
BitField<49, 1, u64> nodep;
|
|
BitField<50, 1, u64> dc;
|
|
BitField<51, 3, IR::Pred> sparse_pred;
|
|
BitField<0, 8, IR::Reg> dest_reg;
|
|
BitField<8, 8, IR::Reg> coord_reg;
|
|
BitField<20, 8, IR::Reg> meta_reg;
|
|
BitField<28, 3, TextureType> type;
|
|
BitField<31, 4, u64> mask;
|
|
BitField<36, 13, u64> cbuf_offset;
|
|
} const tld4{insn};
|
|
|
|
const IR::Value coords{MakeCoords(v, tld4.coord_reg, tld4.type)};
|
|
|
|
IR::Reg meta_reg{tld4.meta_reg};
|
|
IR::Value handle;
|
|
IR::Value offset;
|
|
IR::Value offset2;
|
|
IR::F32 dref;
|
|
if (!is_bindless) {
|
|
handle = v.ir.Imm32(static_cast<u32>(tld4.cbuf_offset.Value() * 4));
|
|
} else {
|
|
handle = v.X(meta_reg++);
|
|
}
|
|
switch (offset_type) {
|
|
case OffsetType::None:
|
|
break;
|
|
case OffsetType::AOFFI: {
|
|
offset = MakeOffset(v, meta_reg, tld4.type);
|
|
break;
|
|
}
|
|
case OffsetType::PTP: {
|
|
offset2 = MakeOffsetPTP(v, meta_reg);
|
|
break;
|
|
}
|
|
default:
|
|
throw NotImplementedException("Invalid offset type {}", offset_type);
|
|
}
|
|
if (tld4.dc != 0) {
|
|
dref = v.F(meta_reg++);
|
|
}
|
|
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 {
|
|
if (tld4.dc == 0) {
|
|
return v.ir.ImageGather(handle, coords, offset, offset2, info);
|
|
}
|
|
return v.ir.ImageGatherDref(handle, coords, offset, offset2, dref, info);
|
|
}()};
|
|
|
|
IR::Reg dest_reg{tld4.dest_reg};
|
|
for (size_t element = 0; element < 4; ++element) {
|
|
if (((tld4.mask >> element) & 1) == 0) {
|
|
continue;
|
|
}
|
|
v.F(dest_reg, IR::F32{v.ir.CompositeExtract(sample, element)});
|
|
++dest_reg;
|
|
}
|
|
if (tld4.sparse_pred != IR::Pred::PT) {
|
|
v.ir.SetPred(tld4.sparse_pred, v.ir.LogicalNot(v.ir.GetSparseFromOp(sample)));
|
|
}
|
|
}
|
|
} // Anonymous namespace
|
|
|
|
void TranslatorVisitor::TLD4(u64 insn) {
|
|
union {
|
|
u64 raw;
|
|
BitField<56, 2, ComponentType> component;
|
|
BitField<54, 2, OffsetType> offset;
|
|
} const tld4{insn};
|
|
Impl(*this, insn, tld4.component, tld4.offset, false);
|
|
}
|
|
|
|
void TranslatorVisitor::TLD4_b(u64 insn) {
|
|
union {
|
|
u64 raw;
|
|
BitField<38, 2, ComponentType> component;
|
|
BitField<36, 2, OffsetType> offset;
|
|
} const tld4{insn};
|
|
Impl(*this, insn, tld4.component, tld4.offset, true);
|
|
}
|
|
|
|
} // namespace Shader::Maxwell
|