shader: Implement TMML partially
This commit is contained in:
FernandoS27
ameerj
parent
613b48c4a2
commit
be3e94ae55
@ -135,6 +135,7 @@ add_library(shader_recompiler STATIC
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frontend/maxwell/translate/impl/texture_gather.cpp
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frontend/maxwell/translate/impl/texture_load_swizzled.cpp
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frontend/maxwell/translate/impl/texture_load.cpp
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frontend/maxwell/translate/impl/texture_mipmap_level.cpp
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frontend/maxwell/translate/impl/texture_query.cpp
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frontend/maxwell/translate/impl/video_helper.cpp
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frontend/maxwell/translate/impl/video_helper.h
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@ -297,8 +297,8 @@ Id EmitImageQueryDimensions(EmitContext& ctx, IR::Inst* inst, const IR::Value& i
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Id EmitImageQueryLod(EmitContext& ctx, IR::Inst*, const IR::Value& index, Id coords) {
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const Id zero{ctx.f32_zero_value};
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const Id image{TextureImage(ctx, index)};
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return ctx.OpCompositeConstruct(ctx.F32[4], ctx.OpImageQueryLod(ctx.F32[2], image, coords),
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const Id sampler{Texture(ctx, index)};
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return ctx.OpCompositeConstruct(ctx.F32[4], ctx.OpImageQueryLod(ctx.F32[2], sampler, coords),
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zero, zero);
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}
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@ -1567,10 +1567,10 @@ Value IREmitter::ImageQueryDimension(const Value& handle, const IR::U32& lod) {
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return Inst(op, handle, lod);
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}
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Value IREmitter::ImageQueryLod(const Value& handle, const Value& coords) {
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Value IREmitter::ImageQueryLod(const Value& handle, const Value& coords, TextureInstInfo info) {
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const Opcode op{handle.IsImmediate() ? Opcode::BoundImageQueryLod
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: Opcode::BindlessImageQueryLod};
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return Inst(op, handle, coords);
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return Inst(op, Flags{info}, handle, coords);
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}
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U1 IREmitter::VoteAll(const U1& value) {
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@ -255,7 +255,8 @@ public:
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TextureInstInfo info);
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[[nodiscard]] Value ImageQueryDimension(const Value& handle, const IR::U32& lod);
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[[nodiscard]] Value ImageQueryLod(const Value& handle, const Value& coords);
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[[nodiscard]] Value ImageQueryLod(const Value& handle, const Value& coords,
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TextureInstInfo info);
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[[nodiscard]] Value ImageGather(const Value& handle, const Value& coords, const Value& offset,
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const Value& offset2, TextureInstInfo info);
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@ -313,14 +313,6 @@ void TranslatorVisitor::SYNC(u64) {
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ThrowNotImplemented(Opcode::SYNC);
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}
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void TranslatorVisitor::TMML(u64) {
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ThrowNotImplemented(Opcode::TMML);
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}
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void TranslatorVisitor::TMML_b(u64) {
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ThrowNotImplemented(Opcode::TMML_b);
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}
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void TranslatorVisitor::TXA(u64) {
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ThrowNotImplemented(Opcode::TXA);
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}
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@ -0,0 +1,130 @@
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// Copyright 2021 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <optional>
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#include "common/bit_field.h"
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#include "common/common_types.h"
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#include "shader_recompiler/frontend/ir/modifiers.h"
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#include "shader_recompiler/frontend/maxwell/translate/impl/impl.h"
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namespace Shader::Maxwell {
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namespace {
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enum class TextureType : u64 {
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_1D,
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ARRAY_1D,
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_2D,
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ARRAY_2D,
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_3D,
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ARRAY_3D,
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CUBE,
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ARRAY_CUBE,
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};
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Shader::TextureType GetType(TextureType type, bool dc) {
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switch (type) {
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case TextureType::_1D:
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return dc ? Shader::TextureType::Shadow1D : Shader::TextureType::Color1D;
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case TextureType::ARRAY_1D:
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return dc ? Shader::TextureType::ShadowArray1D : Shader::TextureType::ColorArray1D;
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case TextureType::_2D:
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return dc ? Shader::TextureType::Shadow2D : Shader::TextureType::Color2D;
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case TextureType::ARRAY_2D:
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return dc ? Shader::TextureType::ShadowArray2D : Shader::TextureType::ColorArray2D;
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case TextureType::_3D:
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return dc ? Shader::TextureType::Shadow3D : Shader::TextureType::Color3D;
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case TextureType::ARRAY_3D:
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throw NotImplementedException("3D array texture type");
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case TextureType::CUBE:
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return dc ? Shader::TextureType::ShadowCube : Shader::TextureType::ColorCube;
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case TextureType::ARRAY_CUBE:
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return dc ? Shader::TextureType::ShadowArrayCube : Shader::TextureType::ColorArrayCube;
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}
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throw NotImplementedException("Invalid texture type {}", type);
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}
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IR::Value MakeCoords(TranslatorVisitor& v, IR::Reg reg, TextureType type) {
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const auto read_array{[&]() -> IR::F32 { return v.ir.ConvertUToF(32, 16, v.X(reg)); }};
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switch (type) {
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case TextureType::_1D:
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return v.F(reg);
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case TextureType::ARRAY_1D:
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return v.ir.CompositeConstruct(v.F(reg + 1), read_array());
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case TextureType::_2D:
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return v.ir.CompositeConstruct(v.F(reg), v.F(reg + 1));
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case TextureType::ARRAY_2D:
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return v.ir.CompositeConstruct(v.F(reg + 1), v.F(reg + 2), read_array());
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case TextureType::_3D:
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return v.ir.CompositeConstruct(v.F(reg), v.F(reg + 1), v.F(reg + 2));
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case TextureType::ARRAY_3D:
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throw NotImplementedException("3D array texture type");
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case TextureType::CUBE:
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return v.ir.CompositeConstruct(v.F(reg), v.F(reg + 1), v.F(reg + 2));
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case TextureType::ARRAY_CUBE:
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return v.ir.CompositeConstruct(v.F(reg + 1), v.F(reg + 2), v.F(reg + 3), read_array());
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}
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throw NotImplementedException("Invalid texture type {}", type);
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}
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void Impl(TranslatorVisitor& v, u64 insn, bool is_bindless) {
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union {
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u64 raw;
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BitField<49, 1, u64> nodep;
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BitField<35, 1, u64> ndv;
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BitField<0, 8, IR::Reg> dest_reg;
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BitField<8, 8, IR::Reg> coord_reg;
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BitField<20, 8, IR::Reg> meta_reg;
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BitField<28, 3, TextureType> type;
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BitField<31, 4, u64> mask;
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BitField<36, 13, u64> cbuf_offset;
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} const tmml{insn};
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if ((tmml.mask & 0xC) != 0) {
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throw NotImplementedException("TMML BA results are not implmented");
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}
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IR::F32 transform_constant = v.ir.Imm32(256.0f);
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const IR::Value coords{MakeCoords(v, tmml.coord_reg, tmml.type)};
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IR::U32 handle;
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IR::Reg meta_reg{tmml.meta_reg};
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if (!is_bindless) {
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handle = v.ir.Imm32(static_cast<u32>(tmml.cbuf_offset.Value() * 4));
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} else {
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handle = v.X(meta_reg++);
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}
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IR::TextureInstInfo info{};
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info.type.Assign(GetType(tmml.type, false));
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const IR::Value sample{
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[&]() -> IR::Value { return v.ir.ImageQueryLod(handle, coords, info); }()};
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const IR::FpControl fp_control{
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.no_contraction{false},
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.rounding{IR::FpRounding::RP},
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.fmz_mode{IR::FmzMode::FTZ},
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};
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IR::Reg dest_reg{tmml.dest_reg};
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for (size_t element = 0; element < 4; ++element) {
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if (((tmml.mask >> element) & 1) == 0) {
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continue;
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}
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IR::F32 value = IR::F32{v.ir.CompositeExtract(sample, element)};
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v.F(dest_reg,
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element < 2 ? IR::F32{v.ir.FPMul(value, transform_constant, fp_control)} : value);
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++dest_reg;
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}
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}
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} // Anonymous namespace
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void TranslatorVisitor::TMML(u64 insn) {
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Impl(*this, insn, false);
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}
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void TranslatorVisitor::TMML_b(u64 insn) {
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Impl(*this, insn, true);
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}
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} // namespace Shader::Maxwell
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