shader: Implement TXQ and fix FragDepth

src/shader_recompiler/CMakeLists.txt

@@ -126,6 +126,7 @@ add_library(shader_recompiler STATIC
     frontend/maxwell/translate/impl/texture_fetch_swizzled.cpp
     frontend/maxwell/translate/impl/texture_gather_swizzled.cpp
     frontend/maxwell/translate/impl/texture_gather.cpp
+    frontend/maxwell/translate/impl/texture_query.cpp
     frontend/maxwell/translate/impl/vote.cpp
     frontend/maxwell/translate/impl/warp_shuffle.cpp
     frontend/maxwell/translate/translate.cpp

src/shader_recompiler/backend/spirv/emit_context.cpp

@@ -244,8 +244,9 @@ void EmitContext::DefineTextures(const Info& info, u32& binding) {
         if (desc.count != 1) {
             throw NotImplementedException("Array of textures");
         }
-        const Id type{TypeSampledImage(ImageType(*this, desc))};
+        const Id image_type{ImageType(*this, desc)};
-        const Id pointer_type{TypePointer(spv::StorageClass::UniformConstant, type)};
+        const Id sampled_type{TypeSampledImage(image_type)};
+        const Id pointer_type{TypePointer(spv::StorageClass::UniformConstant, sampled_type)};
         const Id id{AddGlobalVariable(pointer_type, spv::StorageClass::UniformConstant)};
         Decorate(id, spv::Decoration::Binding, binding);
         Decorate(id, spv::Decoration::DescriptorSet, 0U);
@@ -254,7 +255,8 @@ void EmitContext::DefineTextures(const Info& info, u32& binding) {
             // TODO: Pass count info
             textures.push_back(TextureDefinition{
                 .id{id},
-                .type{type},
+                .sampled_type{sampled_type},
+                .image_type{image_type},
             });
         }
         binding += desc.count;

src/shader_recompiler/backend/spirv/emit_context.h

@@ -31,7 +31,8 @@ private:
 
 struct TextureDefinition {
     Id id;
-    Id type;
+    Id sampled_type;
+    Id image_type;
 };
 
 struct UniformDefinitions {

src/shader_recompiler/backend/spirv/emit_spirv.cpp

@@ -126,10 +126,10 @@ Id DefineMain(EmitContext& ctx, IR::Program& program) {
     return main;
 }
 
-void DefineEntryPoint(Environment& env, EmitContext& ctx, Id main) {
+void DefineEntryPoint(Environment& env, const IR::Program& program, EmitContext& ctx, Id main) {
     const std::span interfaces(ctx.interfaces.data(), ctx.interfaces.size());
     spv::ExecutionModel execution_model{};
-    switch (env.ShaderStage()) {
+    switch (program.stage) {
     case Shader::Stage::Compute: {
         const std::array<u32, 3> workgroup_size{env.WorkgroupSize()};
         execution_model = spv::ExecutionModel::GLCompute;
@@ -143,6 +143,9 @@ void DefineEntryPoint(Environment& env, EmitContext& ctx, Id main) {
     case Shader::Stage::Fragment:
         execution_model = spv::ExecutionModel::Fragment;
         ctx.AddExecutionMode(main, spv::ExecutionMode::OriginUpperLeft);
+        if (program.info.stores_frag_depth) {
+            ctx.AddExecutionMode(main, spv::ExecutionMode::DepthReplacing);
+        }
         break;
     default:
         throw NotImplementedException("Stage {}", env.ShaderStage());
@@ -235,6 +238,7 @@ void SetupCapabilities(const Profile& profile, const Info& info, EmitContext& ct
     }
     // TODO: Track this usage
     ctx.AddCapability(spv::Capability::ImageGatherExtended);
+    ctx.AddCapability(spv::Capability::ImageQuery);
 }
 
 Id PhiArgDef(EmitContext& ctx, IR::Inst* inst, size_t index) {
@@ -267,7 +271,7 @@ std::vector<u32> EmitSPIRV(const Profile& profile, Environment& env, IR::Program
                            u32& binding) {
     EmitContext ctx{profile, program, binding};
     const Id main{DefineMain(ctx, program)};
-    DefineEntryPoint(env, ctx, main);
+    DefineEntryPoint(env, program, ctx, main);
     if (profile.support_float_controls) {
         ctx.AddExtension("SPV_KHR_float_controls");
         SetupDenormControl(profile, program, ctx, main);

src/shader_recompiler/backend/spirv/emit_spirv.h

@@ -343,6 +343,7 @@ Id EmitBindlessImageSampleDrefExplicitLod(EmitContext&);
 Id EmitBindlessImageGather(EmitContext&);
 Id EmitBindlessImageGatherDref(EmitContext&);
 Id EmitBindlessImageFetch(EmitContext&);
+Id EmitBindlessImageQueryDimensions(EmitContext&);
 Id EmitBoundImageSampleImplicitLod(EmitContext&);
 Id EmitBoundImageSampleExplicitLod(EmitContext&);
 Id EmitBoundImageSampleDrefImplicitLod(EmitContext&);
@@ -350,6 +351,7 @@ Id EmitBoundImageSampleDrefExplicitLod(EmitContext&);
 Id EmitBoundImageGather(EmitContext&);
 Id EmitBoundImageGatherDref(EmitContext&);
 Id EmitBoundImageFetch(EmitContext&);
+Id EmitBoundImageQueryDimensions(EmitContext&);
 Id EmitImageSampleImplicitLod(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords,
                               Id bias_lc, Id offset);
 Id EmitImageSampleExplicitLod(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords,
@@ -364,6 +366,7 @@ Id EmitImageGatherDref(EmitContext& ctx, IR::Inst* inst, const IR::Value& index,
                        const IR::Value& offset, const IR::Value& offset2, Id dref);
 Id EmitImageFetch(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords, Id offset,
                   Id lod, Id ms);
+Id EmitImageQueryDimensions(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id lod);
 Id EmitVoteAll(EmitContext& ctx, Id pred);
 Id EmitVoteAny(EmitContext& ctx, Id pred);
 Id EmitVoteEqual(EmitContext& ctx, Id pred);

src/shader_recompiler/backend/spirv/emit_spirv_image.cpp

@@ -91,7 +91,15 @@ private:
 Id Texture(EmitContext& ctx, const IR::Value& index) {
     if (index.IsImmediate()) {
         const TextureDefinition def{ctx.textures.at(index.U32())};
-        return ctx.OpLoad(def.type, def.id);
+        return ctx.OpLoad(def.sampled_type, def.id);
+    }
+    throw NotImplementedException("Indirect texture sample");
+}
+
+Id TextureImage(EmitContext& ctx, const IR::Value& index) {
+    if (index.IsImmediate()) {
+        const TextureDefinition def{ctx.textures.at(index.U32())};
+        return ctx.OpImage(def.image_type, ctx.OpLoad(def.sampled_type, def.id));
     }
     throw NotImplementedException("Indirect texture sample");
 }
@@ -149,6 +157,10 @@ Id EmitBindlessImageFetch(EmitContext&) {
     throw LogicError("Unreachable instruction");
 }
 
+Id EmitBindlessImageQueryDimensions(EmitContext&) {
+    throw LogicError("Unreachable instruction");
+}
+
 Id EmitBoundImageSampleImplicitLod(EmitContext&) {
     throw LogicError("Unreachable instruction");
 }
@@ -177,6 +189,10 @@ Id EmitBoundImageFetch(EmitContext&) {
     throw LogicError("Unreachable instruction");
 }
 
+Id EmitBoundImageQueryDimensions(EmitContext&) {
+    throw LogicError("Unreachable instruction");
+}
+
 Id EmitImageSampleImplicitLod(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id coords,
                               Id bias_lc, Id offset) {
     const auto info{inst->Flags<IR::TextureInstInfo>()};
@@ -241,4 +257,34 @@ Id EmitImageFetch(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id c
                 Texture(ctx, index), coords, operands.Mask(), operands.Span());
 }
 
+Id EmitImageQueryDimensions(EmitContext& ctx, IR::Inst* inst, const IR::Value& index, Id lod) {
+    const auto info{inst->Flags<IR::TextureInstInfo>()};
+    const Id image{TextureImage(ctx, index)};
+    const Id zero{ctx.u32_zero_value};
+    const auto mips{[&] { return ctx.OpImageQueryLevels(ctx.U32[1], image); }};
+    switch (info.type) {
+    case TextureType::Color1D:
+    case TextureType::Shadow1D:
+        return ctx.OpCompositeConstruct(ctx.U32[4], ctx.OpImageQuerySizeLod(ctx.U32[1], image, lod),
+                                        zero, zero, mips());
+    case TextureType::ColorArray1D:
+    case TextureType::Color2D:
+    case TextureType::ColorCube:
+    case TextureType::ShadowArray1D:
+    case TextureType::Shadow2D:
+    case TextureType::ShadowCube:
+        return ctx.OpCompositeConstruct(ctx.U32[4], ctx.OpImageQuerySizeLod(ctx.U32[2], image, lod),
+                                        zero, mips());
+    case TextureType::ColorArray2D:
+    case TextureType::Color3D:
+    case TextureType::ColorArrayCube:
+    case TextureType::ShadowArray2D:
+    case TextureType::Shadow3D:
+    case TextureType::ShadowArrayCube:
+        return ctx.OpCompositeConstruct(ctx.U32[4], ctx.OpImageQuerySizeLod(ctx.U32[3], image, lod),
+                                        mips());
+    }
+    throw LogicError("Unspecified image type {}", info.type.Value());
+}
+
 } // namespace Shader::Backend::SPIRV

src/shader_recompiler/environment.h

@@ -4,6 +4,7 @@
 
 #include "common/common_types.h"
 #include "shader_recompiler/program_header.h"
+#include "shader_recompiler/shader_info.h"
 #include "shader_recompiler/stage.h"
 
 namespace Shader {
@@ -14,6 +15,8 @@ public:
 
     [[nodiscard]] virtual u64 ReadInstruction(u32 address) = 0;
 
+    [[nodiscard]] virtual TextureType ReadTextureType(u32 cbuf_index, u32 cbuf_offset) = 0;
+
     [[nodiscard]] virtual u32 TextureBoundBuffer() const = 0;
 
     [[nodiscard]] virtual std::array<u32, 3> WorkgroupSize() const = 0;

src/shader_recompiler/frontend/ir/ir_emitter.cpp

@@ -1493,6 +1493,12 @@ Value IREmitter::ImageFetch(const Value& handle, const Value& coords, const Valu
     return Inst(op, Flags{info}, handle, coords, offset, lod, multisampling);
 }
 
+Value IREmitter::ImageQueryDimension(const Value& handle, const IR::U32& lod) {
+    const Opcode op{handle.IsImmediate() ? Opcode::BoundImageQueryDimensions
+                                         : Opcode::BindlessImageQueryDimensions};
+    return Inst(op, handle, lod);
+}
+
 U1 IREmitter::VoteAll(const U1& value) {
     return Inst<U1>(Opcode::VoteAll, value);
 }

src/shader_recompiler/frontend/ir/ir_emitter.h

@@ -239,6 +239,7 @@ public:
                                                  const F32& dref, const F32& lod,
                                                  const Value& offset, const F32& lod_clamp,
                                                  TextureInstInfo info);
+    [[nodiscard]] Value ImageQueryDimension(const Value& handle, const IR::U32& lod);
 
     [[nodiscard]] Value ImageGather(const Value& handle, const Value& coords, const Value& offset,
                                     const Value& offset2, TextureInstInfo info);

src/shader_recompiler/frontend/ir/opcodes.inc

@@ -356,6 +356,7 @@ OPCODE(BindlessImageSampleDrefExplicitLod,                  F32,            U32,
 OPCODE(BindlessImageGather,                                 F32x4,          U32,            Opaque,         Opaque,         Opaque,                         )
 OPCODE(BindlessImageGatherDref,                             F32x4,          U32,            Opaque,         Opaque,         Opaque,         F32,            )
 OPCODE(BindlessImageFetch,                                  F32x4,          U32,            Opaque,         U32,            U32,                            )
+OPCODE(BindlessImageQueryDimensions,                        U32x4,          U32,            U32,                                                            )
 
 OPCODE(BoundImageSampleImplicitLod,                         F32x4,          U32,            Opaque,         Opaque,         Opaque,                         )
 OPCODE(BoundImageSampleExplicitLod,                         F32x4,          U32,            Opaque,         Opaque,         Opaque,                         )
@@ -364,6 +365,7 @@ OPCODE(BoundImageSampleDrefExplicitLod,                     F32,            U32,
 OPCODE(BoundImageGather,                                    F32x4,          U32,            Opaque,         Opaque,         Opaque,                         )
 OPCODE(BoundImageGatherDref,                                F32x4,          U32,            Opaque,         Opaque,         Opaque,         F32,            )
 OPCODE(BoundImageFetch,                                     F32x4,          U32,            Opaque,         U32,            U32,                            )
+OPCODE(BoundImageQueryDimensions,                           U32x4,          U32,            U32,                                                            )
 
 OPCODE(ImageSampleImplicitLod,                              F32x4,          U32,            Opaque,         Opaque,         Opaque,                         )
 OPCODE(ImageSampleExplicitLod,                              F32x4,          U32,            Opaque,         Opaque,         Opaque,                         )
@@ -372,6 +374,7 @@ OPCODE(ImageSampleDrefExplicitLod,                          F32,            U32,
 OPCODE(ImageGather,                                         F32x4,          U32,            Opaque,         Opaque,         Opaque,                         )
 OPCODE(ImageGatherDref,                                     F32x4,          U32,            Opaque,         Opaque,         Opaque,         F32,            )
 OPCODE(ImageFetch,                                          F32x4,          U32,            Opaque,         U32,            U32,                            )
+OPCODE(ImageQueryDimensions,                                U32x4,          U32,            U32,                                                            )
 
 // Warp operations
 OPCODE(VoteAll,                                             U1,             U1,                                                                             )

src/shader_recompiler/frontend/maxwell/translate/impl/not_implemented.cpp

@@ -373,14 +373,6 @@ void TranslatorVisitor::TXD_b(u64) {
     ThrowNotImplemented(Opcode::TXD_b);
 }
 
-void TranslatorVisitor::TXQ(u64) {
-    ThrowNotImplemented(Opcode::TXQ);
-}
-
-void TranslatorVisitor::TXQ_b(u64) {
-    ThrowNotImplemented(Opcode::TXQ_b);
-}
-
 void TranslatorVisitor::VABSDIFF(u64) {
     ThrowNotImplemented(Opcode::VABSDIFF);
 }

src/shader_recompiler/frontend/maxwell/translate/impl/texture_query.cpp

@@ -0,0 +1,76 @@
+// 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 Mode : u64 {
+    Dimension = 1,
+    TextureType = 2,
+    SamplePos = 5,
+};
+
+IR::Value Query(TranslatorVisitor& v, const IR::U32& handle, Mode mode, IR::Reg src_reg) {
+    switch (mode) {
+    case Mode::Dimension: {
+        const IR::U32 lod{v.X(src_reg)};
+        return v.ir.ImageQueryDimension(handle, lod);
+    }
+    case Mode::TextureType:
+    case Mode::SamplePos:
+    default:
+        throw NotImplementedException("Mode {}", mode);
+    }
+}
+
+void Impl(TranslatorVisitor& v, u64 insn, std::optional<u32> cbuf_offset) {
+    union {
+        u64 raw;
+        BitField<49, 1, u64> nodep;
+        BitField<0, 8, IR::Reg> dest_reg;
+        BitField<8, 8, IR::Reg> src_reg;
+        BitField<22, 3, Mode> mode;
+        BitField<31, 4, u64> mask;
+    } const txq{insn};
+
+    IR::Reg src_reg{txq.src_reg};
+    IR::U32 handle;
+    if (cbuf_offset) {
+        handle = v.ir.Imm32(*cbuf_offset);
+    } else {
+        handle = v.X(src_reg);
+        ++src_reg;
+    }
+    const IR::Value query{Query(v, handle, txq.mode, src_reg)};
+    IR::Reg dest_reg{txq.dest_reg};
+    for (int element = 0; element < 4; ++element) {
+        if (((txq.mask >> element) & 1) == 0) {
+            continue;
+        }
+        v.X(dest_reg, IR::U32{v.ir.CompositeExtract(query, element)});
+        ++dest_reg;
+    }
+}
+} // Anonymous namespace
+
+void TranslatorVisitor::TXQ(u64 insn) {
+    union {
+        u64 raw;
+        BitField<36, 13, u64> cbuf_offset;
+    } const txq{insn};
+
+    Impl(*this, insn, static_cast<u32>(txq.cbuf_offset));
+}
+
+void TranslatorVisitor::TXQ_b(u64 insn) {
+    Impl(*this, insn, std::nullopt);
+}
+
+} // namespace Shader::Maxwell

src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp

@@ -365,7 +365,8 @@ void VisitUsages(Info& info, IR::Inst& inst) {
     case IR::Opcode::ImageSampleDrefImplicitLod:
     case IR::Opcode::ImageSampleDrefExplicitLod:
     case IR::Opcode::ImageGather:
-    case IR::Opcode::ImageGatherDref: {
+    case IR::Opcode::ImageGatherDref:
+    case IR::Opcode::ImageQueryDimensions: {
         const TextureType type{inst.Flags<IR::TextureInstInfo>().type};
         info.uses_sampled_1d |= type == TextureType::Color1D || type == TextureType::ColorArray1D ||
                                 type == TextureType::Shadow1D || type == TextureType::ShadowArray1D;

src/shader_recompiler/ir_opt/texture_pass.cpp

@@ -54,6 +54,9 @@ IR::Opcode IndexedInstruction(const IR::Inst& inst) {
     case IR::Opcode::BindlessImageFetch:
     case IR::Opcode::BoundImageFetch:
         return IR::Opcode::ImageFetch;
+    case IR::Opcode::BoundImageQueryDimensions:
+    case IR::Opcode::BindlessImageQueryDimensions:
+        return IR::Opcode::ImageQueryDimensions;
     default:
         return IR::Opcode::Void;
     }
@@ -68,6 +71,7 @@ bool IsBindless(const IR::Inst& inst) {
     case IR::Opcode::BindlessImageGather:
     case IR::Opcode::BindlessImageGatherDref:
     case IR::Opcode::BindlessImageFetch:
+    case IR::Opcode::BindlessImageQueryDimensions:
         return true;
     case IR::Opcode::BoundImageSampleImplicitLod:
     case IR::Opcode::BoundImageSampleExplicitLod:
@@ -76,6 +80,7 @@ bool IsBindless(const IR::Inst& inst) {
     case IR::Opcode::BoundImageGather:
     case IR::Opcode::BoundImageGatherDref:
     case IR::Opcode::BoundImageFetch:
+    case IR::Opcode::BoundImageQueryDimensions:
         return false;
     default:
         throw InvalidArgument("Invalid opcode {}", inst.Opcode());
@@ -198,13 +203,20 @@ void TexturePass(Environment& env, IR::Program& program) {
     for (TextureInst& texture_inst : to_replace) {
         // TODO: Handle arrays
         IR::Inst* const inst{texture_inst.inst};
+        inst->ReplaceOpcode(IndexedInstruction(*inst));
+
+        const auto& cbuf{texture_inst.cbuf};
+        auto flags{inst->Flags<IR::TextureInstInfo>()};
+        if (inst->Opcode() == IR::Opcode::ImageQueryDimensions) {
+            flags.type.Assign(env.ReadTextureType(cbuf.index, cbuf.offset));
+            inst->SetFlags(flags);
+        }
         const u32 index{descriptors.Add(TextureDescriptor{
-            .type{inst->Flags<IR::TextureInstInfo>().type},
+            .type{flags.type},
-            .cbuf_index{texture_inst.cbuf.index},
+            .cbuf_index{cbuf.index},
-            .cbuf_offset{texture_inst.cbuf.offset},
+            .cbuf_offset{cbuf.offset},
             .count{1},
         })};
-        inst->ReplaceOpcode(IndexedInstruction(*inst));
         inst->SetArg(0, IR::Value{index});
     }
 }

src/video_core/renderer_vulkan/vk_pipeline_cache.cpp

@@ -25,6 +25,7 @@
 #include "video_core/memory_manager.h"
 #include "video_core/renderer_vulkan/fixed_pipeline_state.h"
 #include "video_core/renderer_vulkan/maxwell_to_vk.h"
+#include "video_core/renderer_vulkan/pipeline_helper.h"
 #include "video_core/renderer_vulkan/vk_compute_pipeline.h"
 #include "video_core/renderer_vulkan/vk_descriptor_pool.h"
 #include "video_core/renderer_vulkan/vk_pipeline_cache.h"
@@ -45,6 +46,10 @@ auto MakeSpan(Container& container) {
     return std::span(container.data(), container.size());
 }
 
+u64 MakeCbufKey(u32 index, u32 offset) {
+    return (static_cast<u64>(index) << 32) | static_cast<u64>(offset);
+}
+
 class GenericEnvironment : public Shader::Environment {
 public:
     explicit GenericEnvironment() = default;
@@ -101,15 +106,21 @@ public:
         const auto data{std::make_unique<char[]>(code_size)};
         gpu_memory->ReadBlock(program_base + read_lowest, data.get(), code_size);
 
+        const u64 num_texture_types{static_cast<u64>(texture_types.size())};
         const u32 texture_bound{TextureBoundBuffer()};
 
         file.write(reinterpret_cast<const char*>(&code_size), sizeof(code_size))
+            .write(reinterpret_cast<const char*>(&num_texture_types), sizeof(num_texture_types))
             .write(reinterpret_cast<const char*>(&texture_bound), sizeof(texture_bound))
             .write(reinterpret_cast<const char*>(&start_address), sizeof(start_address))
             .write(reinterpret_cast<const char*>(&read_lowest), sizeof(read_lowest))
             .write(reinterpret_cast<const char*>(&read_highest), sizeof(read_highest))
             .write(reinterpret_cast<const char*>(&stage), sizeof(stage))
             .write(data.get(), code_size);
+        for (const auto [key, type] : texture_types) {
+            file.write(reinterpret_cast<const char*>(&key), sizeof(key))
+                .write(reinterpret_cast<const char*>(&type), sizeof(type));
+        }
         if (stage == Shader::Stage::Compute) {
             const std::array<u32, 3> workgroup_size{WorkgroupSize()};
             file.write(reinterpret_cast<const char*>(&workgroup_size), sizeof(workgroup_size));
@@ -147,10 +158,47 @@ protected:
         return std::nullopt;
     }
 
+    Shader::TextureType ReadTextureTypeImpl(GPUVAddr tic_addr, u32 tic_limit, bool via_header_index,
+                                            GPUVAddr cbuf_addr, u32 cbuf_size, u32 cbuf_index,
+                                            u32 cbuf_offset) {
+        const u32 raw{cbuf_offset < cbuf_size ? gpu_memory->Read<u32>(cbuf_addr + cbuf_offset) : 0};
+        const TextureHandle handle{raw, via_header_index};
+        const GPUVAddr descriptor_addr{tic_addr + handle.image * sizeof(Tegra::Texture::TICEntry)};
+        Tegra::Texture::TICEntry entry;
+        gpu_memory->ReadBlock(descriptor_addr, &entry, sizeof(entry));
+
+        const Shader::TextureType result{[&] {
+            switch (entry.texture_type) {
+            case Tegra::Texture::TextureType::Texture1D:
+                return Shader::TextureType::Color1D;
+            case Tegra::Texture::TextureType::Texture2D:
+            case Tegra::Texture::TextureType::Texture2DNoMipmap:
+                return Shader::TextureType::Color2D;
+            case Tegra::Texture::TextureType::Texture3D:
+                return Shader::TextureType::Color3D;
+            case Tegra::Texture::TextureType::TextureCubemap:
+                return Shader::TextureType::ColorCube;
+            case Tegra::Texture::TextureType::Texture1DArray:
+                return Shader::TextureType::ColorArray1D;
+            case Tegra::Texture::TextureType::Texture2DArray:
+                return Shader::TextureType::ColorArray2D;
+            case Tegra::Texture::TextureType::Texture1DBuffer:
+                throw Shader::NotImplementedException("Texture buffer");
+            case Tegra::Texture::TextureType::TextureCubeArray:
+                return Shader::TextureType::ColorArrayCube;
+            default:
+                throw Shader::NotImplementedException("Unknown texture type");
+            }
+        }()};
+        texture_types.emplace(MakeCbufKey(cbuf_index, cbuf_offset), result);
+        return result;
+    }
+
     Tegra::MemoryManager* gpu_memory{};
     GPUVAddr program_base{};
 
     std::vector<u64> code;
+    std::unordered_map<u64, Shader::TextureType> texture_types;
 
     u32 read_lowest = std::numeric_limits<u32>::max();
     u32 read_highest = 0;
@@ -176,29 +224,45 @@ public:
         switch (program) {
         case Maxwell::ShaderProgram::VertexA:
             stage = Shader::Stage::VertexA;
+            stage_index = 0;
             break;
         case Maxwell::ShaderProgram::VertexB:
             stage = Shader::Stage::VertexB;
+            stage_index = 0;
             break;
         case Maxwell::ShaderProgram::TesselationControl:
             stage = Shader::Stage::TessellationControl;
+            stage_index = 1;
             break;
         case Maxwell::ShaderProgram::TesselationEval:
             stage = Shader::Stage::TessellationEval;
+            stage_index = 2;
             break;
         case Maxwell::ShaderProgram::Geometry:
             stage = Shader::Stage::Geometry;
+            stage_index = 3;
             break;
         case Maxwell::ShaderProgram::Fragment:
             stage = Shader::Stage::Fragment;
+            stage_index = 4;
             break;
         default:
             UNREACHABLE_MSG("Invalid program={}", program);
+            break;
         }
     }
 
     ~GraphicsEnvironment() override = default;
 
+    Shader::TextureType ReadTextureType(u32 cbuf_index, u32 cbuf_offset) override {
+        const auto& regs{maxwell3d->regs};
+        const auto& cbuf{maxwell3d->state.shader_stages[stage_index].const_buffers[cbuf_index]};
+        ASSERT(cbuf.enabled);
+        const bool via_header_index{regs.sampler_index == Maxwell::SamplerIndex::ViaHeaderIndex};
+        return ReadTextureTypeImpl(regs.tic.Address(), regs.tic.limit, via_header_index,
+                                   cbuf.address, cbuf.size, cbuf_index, cbuf_offset);
+    }
+
     u32 TextureBoundBuffer() const override {
         return maxwell3d->regs.tex_cb_index;
     }
@@ -209,6 +273,7 @@ public:
 
 private:
     Tegra::Engines::Maxwell3D* maxwell3d{};
+    size_t stage_index{};
 };
 
 class ComputeEnvironment final : public GenericEnvironment {
@@ -224,6 +289,15 @@ public:
 
     ~ComputeEnvironment() override = default;
 
+    Shader::TextureType ReadTextureType(u32 cbuf_index, u32 cbuf_offset) override {
+        const auto& regs{kepler_compute->regs};
+        const auto& qmd{kepler_compute->launch_description};
+        ASSERT(((qmd.const_buffer_enable_mask.Value() >> cbuf_index) & 1) != 0);
+        const auto& cbuf{qmd.const_buffer_config[cbuf_index]};
+        return ReadTextureTypeImpl(regs.tic.Address(), regs.tic.limit, qmd.linked_tsc != 0,
+                                   cbuf.Address(), cbuf.size, cbuf_index, cbuf_offset);
+    }
+
     u32 TextureBoundBuffer() const override {
         return kepler_compute->regs.tex_cb_index;
     }
@@ -278,7 +352,9 @@ class FileEnvironment final : public Shader::Environment {
 public:
     void Deserialize(std::ifstream& file) {
         u64 code_size{};
+        u64 num_texture_types{};
         file.read(reinterpret_cast<char*>(&code_size), sizeof(code_size))
+            .read(reinterpret_cast<char*>(&num_texture_types), sizeof(num_texture_types))
             .read(reinterpret_cast<char*>(&texture_bound), sizeof(texture_bound))
             .read(reinterpret_cast<char*>(&start_address), sizeof(start_address))
             .read(reinterpret_cast<char*>(&read_lowest), sizeof(read_lowest))
@@ -286,6 +362,13 @@ public:
             .read(reinterpret_cast<char*>(&stage), sizeof(stage));
         code = std::make_unique<u64[]>(Common::DivCeil(code_size, sizeof(u64)));
         file.read(reinterpret_cast<char*>(code.get()), code_size);
+        for (size_t i = 0; i < num_texture_types; ++i) {
+            u64 key;
+            Shader::TextureType type;
+            file.read(reinterpret_cast<char*>(&key), sizeof(key))
+                .read(reinterpret_cast<char*>(&type), sizeof(type));
+            texture_types.emplace(key, type);
+        }
         if (stage == Shader::Stage::Compute) {
             file.read(reinterpret_cast<char*>(&workgroup_size), sizeof(workgroup_size));
         } else {
@@ -300,6 +383,14 @@ public:
         return code[(address - read_lowest) / sizeof(u64)];
     }
 
+    Shader::TextureType ReadTextureType(u32 cbuf_index, u32 cbuf_offset) override {
+        const auto it{texture_types.find(MakeCbufKey(cbuf_index, cbuf_offset))};
+        if (it == texture_types.end()) {
+            throw Shader::LogicError("Uncached read texture type");
+        }
+        return it->second;
+    }
+
     u32 TextureBoundBuffer() const override {
         return texture_bound;
     }
@@ -310,6 +401,7 @@ public:
 
 private:
     std::unique_ptr<u64[]> code;
+    std::unordered_map<u64, Shader::TextureType> texture_types;
     std::array<u32, 3> workgroup_size{};
     u32 texture_bound{};
     u32 read_lowest{};