diff options
Diffstat (limited to 'src/shader_recompiler/frontend/maxwell/translate/impl')
| -rw-r--r-- | src/shader_recompiler/frontend/maxwell/translate/impl/not_implemented.cpp | 8 | ||||
| -rw-r--r-- | src/shader_recompiler/frontend/maxwell/translate/impl/texture_gather.cpp | 209 |
2 files changed, 209 insertions, 8 deletions
diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/not_implemented.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/not_implemented.cpp index 3ccd7b925..e59c3326e 100644 --- a/src/shader_recompiler/frontend/maxwell/translate/impl/not_implemented.cpp +++ b/src/shader_recompiler/frontend/maxwell/translate/impl/not_implemented.cpp @@ -349,14 +349,6 @@ void TranslatorVisitor::TLD_b(u64) { ThrowNotImplemented(Opcode::TLD_b); } -void TranslatorVisitor::TLD4(u64) { - ThrowNotImplemented(Opcode::TLD4); -} - -void TranslatorVisitor::TLD4_b(u64) { - ThrowNotImplemented(Opcode::TLD4_b); -} - void TranslatorVisitor::TLD4S(u64) { ThrowNotImplemented(Opcode::TLD4S); } diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/texture_gather.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/texture_gather.cpp new file mode 100644 index 000000000..d64865876 --- /dev/null +++ b/src/shader_recompiler/frontend/maxwell/translate/impl/texture_gather.cpp @@ -0,0 +1,209 @@ +// 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(read_array(), v.F(reg + 1)); + case TextureType::_2D: + return v.ir.CompositeConstruct(v.F(reg), v.F(reg + 1)); + case TextureType::ARRAY_2D: + return v.ir.CompositeConstruct(read_array(), v.F(reg + 1), v.F(reg + 2)); + 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(read_array(), v.F(reg + 1), v.F(reg + 2), v.F(reg + 3)); + } + 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); +} + +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 auto getVector = ([&v](const IR::U32& value) { + 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), + v.ir.BitFieldExtract(value, v.ir.Imm32(24), v.ir.Imm32(6), true)); + }); + return {getVector(value1), getVector(value2)}; +} + +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: { + std::tie(offset, 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 |