From be3e94ae55184933e0f1f5fb55698513f7936382 Mon Sep 17 00:00:00 2001 From: FernandoS27 Date: Sun, 28 Mar 2021 21:25:08 +0200 Subject: shader: Implement TMML partially --- .../maxwell/translate/impl/not_implemented.cpp | 8 -- .../translate/impl/texture_mipmap_level.cpp | 130 +++++++++++++++++++++ 2 files changed, 130 insertions(+), 8 deletions(-) create mode 100644 src/shader_recompiler/frontend/maxwell/translate/impl/texture_mipmap_level.cpp (limited to 'src/shader_recompiler/frontend/maxwell/translate/impl') 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 7e1ad63e1..9f5ea7775 100644 --- a/src/shader_recompiler/frontend/maxwell/translate/impl/not_implemented.cpp +++ b/src/shader_recompiler/frontend/maxwell/translate/impl/not_implemented.cpp @@ -313,14 +313,6 @@ void TranslatorVisitor::SYNC(u64) { ThrowNotImplemented(Opcode::SYNC); } -void TranslatorVisitor::TMML(u64) { - ThrowNotImplemented(Opcode::TMML); -} - -void TranslatorVisitor::TMML_b(u64) { - ThrowNotImplemented(Opcode::TMML_b); -} - void TranslatorVisitor::TXA(u64) { ThrowNotImplemented(Opcode::TXA); } diff --git a/src/shader_recompiler/frontend/maxwell/translate/impl/texture_mipmap_level.cpp b/src/shader_recompiler/frontend/maxwell/translate/impl/texture_mipmap_level.cpp new file mode 100644 index 000000000..ee13ede30 --- /dev/null +++ b/src/shader_recompiler/frontend/maxwell/translate/impl/texture_mipmap_level.cpp @@ -0,0 +1,130 @@ +// Copyright 2021 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include + +#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, +}; + +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); +} + +void Impl(TranslatorVisitor& v, u64 insn, bool is_bindless) { + union { + u64 raw; + BitField<49, 1, u64> nodep; + BitField<35, 1, u64> ndv; + 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 tmml{insn}; + + if ((tmml.mask & 0xC) != 0) { + throw NotImplementedException("TMML BA results are not implmented"); + } + + IR::F32 transform_constant = v.ir.Imm32(256.0f); + + const IR::Value coords{MakeCoords(v, tmml.coord_reg, tmml.type)}; + + IR::U32 handle; + IR::Reg meta_reg{tmml.meta_reg}; + if (!is_bindless) { + handle = v.ir.Imm32(static_cast(tmml.cbuf_offset.Value() * 4)); + } else { + handle = v.X(meta_reg++); + } + IR::TextureInstInfo info{}; + info.type.Assign(GetType(tmml.type, false)); + const IR::Value sample{ + [&]() -> IR::Value { return v.ir.ImageQueryLod(handle, coords, info); }()}; + + const IR::FpControl fp_control{ + .no_contraction{false}, + .rounding{IR::FpRounding::RP}, + .fmz_mode{IR::FmzMode::FTZ}, + }; + IR::Reg dest_reg{tmml.dest_reg}; + for (size_t element = 0; element < 4; ++element) { + if (((tmml.mask >> element) & 1) == 0) { + continue; + } + IR::F32 value = IR::F32{v.ir.CompositeExtract(sample, element)}; + v.F(dest_reg, + element < 2 ? IR::F32{v.ir.FPMul(value, transform_constant, fp_control)} : value); + ++dest_reg; + } +} +} // Anonymous namespace + +void TranslatorVisitor::TMML(u64 insn) { + Impl(*this, insn, false); +} + +void TranslatorVisitor::TMML_b(u64 insn) { + Impl(*this, insn, true); +} + +} // namespace Shader::Maxwell -- cgit v1.2.3