13 files changed, 467 insertions, 270 deletions

diff --git a/src/video_core/shader/const_buffer_locker.cpp b/src/video_core/shader/const_buffer_locker.cpp
deleted file mode 100644
index 0638be8cb..000000000
--- a/src/video_core/shader/const_buffer_locker.cpp
+++ /dev/null
@@ -1,126 +0,0 @@
-// Copyright 2019 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include <algorithm>
-#include <tuple>
-
-#include "common/common_types.h"
-#include "video_core/engines/maxwell_3d.h"
-#include "video_core/engines/shader_type.h"
-#include "video_core/shader/const_buffer_locker.h"
-
-namespace VideoCommon::Shader {
-
-using Tegra::Engines::SamplerDescriptor;
-
-ConstBufferLocker::ConstBufferLocker(Tegra::Engines::ShaderType shader_stage)
-    : stage{shader_stage} {}
-
-ConstBufferLocker::ConstBufferLocker(Tegra::Engines::ShaderType shader_stage,
-                                     Tegra::Engines::ConstBufferEngineInterface& engine)
-    : stage{shader_stage}, engine{&engine} {}
-
-ConstBufferLocker::~ConstBufferLocker() = default;
-
-std::optional<u32> ConstBufferLocker::ObtainKey(u32 buffer, u32 offset) {
-    const std::pair<u32, u32> key = {buffer, offset};
-    const auto iter = keys.find(key);
-    if (iter != keys.end()) {
-        return iter->second;
-    }
-    if (!engine) {
-        return std::nullopt;
-    }
-    const u32 value = engine->AccessConstBuffer32(stage, buffer, offset);
-    keys.emplace(key, value);
-    return value;
-}
-
-std::optional<SamplerDescriptor> ConstBufferLocker::ObtainBoundSampler(u32 offset) {
-    const u32 key = offset;
-    const auto iter = bound_samplers.find(key);
-    if (iter != bound_samplers.end()) {
-        return iter->second;
-    }
-    if (!engine) {
-        return std::nullopt;
-    }
-    const SamplerDescriptor value = engine->AccessBoundSampler(stage, offset);
-    bound_samplers.emplace(key, value);
-    return value;
-}
-
-std::optional<Tegra::Engines::SamplerDescriptor> ConstBufferLocker::ObtainBindlessSampler(
-    u32 buffer, u32 offset) {
-    const std::pair key = {buffer, offset};
-    const auto iter = bindless_samplers.find(key);
-    if (iter != bindless_samplers.end()) {
-        return iter->second;
-    }
-    if (!engine) {
-        return std::nullopt;
-    }
-    const SamplerDescriptor value = engine->AccessBindlessSampler(stage, buffer, offset);
-    bindless_samplers.emplace(key, value);
-    return value;
-}
-
-std::optional<u32> ConstBufferLocker::ObtainBoundBuffer() {
-    if (bound_buffer_saved) {
-        return bound_buffer;
-    }
-    if (!engine) {
-        return std::nullopt;
-    }
-    bound_buffer_saved = true;
-    bound_buffer = engine->GetBoundBuffer();
-    return bound_buffer;
-}
-
-void ConstBufferLocker::InsertKey(u32 buffer, u32 offset, u32 value) {
-    keys.insert_or_assign({buffer, offset}, value);
-}
-
-void ConstBufferLocker::InsertBoundSampler(u32 offset, SamplerDescriptor sampler) {
-    bound_samplers.insert_or_assign(offset, sampler);
-}
-
-void ConstBufferLocker::InsertBindlessSampler(u32 buffer, u32 offset, SamplerDescriptor sampler) {
-    bindless_samplers.insert_or_assign({buffer, offset}, sampler);
-}
-
-void ConstBufferLocker::SetBoundBuffer(u32 buffer) {
-    bound_buffer_saved = true;
-    bound_buffer = buffer;
-}
-
-bool ConstBufferLocker::IsConsistent() const {
-    if (!engine) {
-        return false;
-    }
-    return std::all_of(keys.begin(), keys.end(),
-                       [this](const auto& pair) {
-                           const auto [cbuf, offset] = pair.first;
-                           const auto value = pair.second;
-                           return value == engine->AccessConstBuffer32(stage, cbuf, offset);
-                       }) &&
-           std::all_of(bound_samplers.begin(), bound_samplers.end(),
-                       [this](const auto& sampler) {
-                           const auto [key, value] = sampler;
-                           return value == engine->AccessBoundSampler(stage, key);
-                       }) &&
-           std::all_of(bindless_samplers.begin(), bindless_samplers.end(),
-                       [this](const auto& sampler) {
-                           const auto [cbuf, offset] = sampler.first;
-                           const auto value = sampler.second;
-                           return value == engine->AccessBindlessSampler(stage, cbuf, offset);
-                       });
-}
-
-bool ConstBufferLocker::HasEqualKeys(const ConstBufferLocker& rhs) const {
-    return std::tie(keys, bound_samplers, bindless_samplers) ==
-           std::tie(rhs.keys, rhs.bound_samplers, rhs.bindless_samplers);
-}
-
-} // namespace VideoCommon::Shader
diff --git a/src/video_core/shader/const_buffer_locker.h b/src/video_core/shader/const_buffer_locker.h
deleted file mode 100644
index d3ea11087..000000000
--- a/src/video_core/shader/const_buffer_locker.h
+++ /dev/null
@@ -1,103 +0,0 @@
-// Copyright 2019 yuzu Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <optional>
-#include <unordered_map>
-#include "common/common_types.h"
-#include "common/hash.h"
-#include "video_core/engines/const_buffer_engine_interface.h"
-#include "video_core/engines/shader_type.h"
-#include "video_core/guest_driver.h"
-
-namespace VideoCommon::Shader {
-
-using KeyMap = std::unordered_map<std::pair<u32, u32>, u32, Common::PairHash>;
-using BoundSamplerMap = std::unordered_map<u32, Tegra::Engines::SamplerDescriptor>;
-using BindlessSamplerMap =
-    std::unordered_map<std::pair<u32, u32>, Tegra::Engines::SamplerDescriptor, Common::PairHash>;
-
-/**
- * The ConstBufferLocker is a class use to interface the 3D and compute engines with the shader
- * compiler. with it, the shader can obtain required data from GPU state and store it for disk
- * shader compilation.
- */
-class ConstBufferLocker {
-public:
-    explicit ConstBufferLocker(Tegra::Engines::ShaderType shader_stage);
-
-    explicit ConstBufferLocker(Tegra::Engines::ShaderType shader_stage,
-                               Tegra::Engines::ConstBufferEngineInterface& engine);
-
-    ~ConstBufferLocker();
-
-    /// Retrieves a key from the locker, if it's registered, it will give the registered value, if
-    /// not it will obtain it from maxwell3d and register it.
-    std::optional<u32> ObtainKey(u32 buffer, u32 offset);
-
-    std::optional<Tegra::Engines::SamplerDescriptor> ObtainBoundSampler(u32 offset);
-
-    std::optional<Tegra::Engines::SamplerDescriptor> ObtainBindlessSampler(u32 buffer, u32 offset);
-
-    std::optional<u32> ObtainBoundBuffer();
-
-    /// Inserts a key.
-    void InsertKey(u32 buffer, u32 offset, u32 value);
-
-    /// Inserts a bound sampler key.
-    void InsertBoundSampler(u32 offset, Tegra::Engines::SamplerDescriptor sampler);
-
-    /// Inserts a bindless sampler key.
-    void InsertBindlessSampler(u32 buffer, u32 offset, Tegra::Engines::SamplerDescriptor sampler);
-
-    /// Set the bound buffer for this locker.
-    void SetBoundBuffer(u32 buffer);
-
-    /// Checks keys and samplers against engine's current const buffers. Returns true if they are
-    /// the same value, false otherwise;
-    bool IsConsistent() const;
-
-    /// Returns true if the keys are equal to the other ones in the locker.
-    bool HasEqualKeys(const ConstBufferLocker& rhs) const;
-
-    /// Gives an getter to the const buffer keys in the database.
-    const KeyMap& GetKeys() const {
-        return keys;
-    }
-
-    /// Gets samplers database.
-    const BoundSamplerMap& GetBoundSamplers() const {
-        return bound_samplers;
-    }
-
-    /// Gets bindless samplers database.
-    const BindlessSamplerMap& GetBindlessSamplers() const {
-        return bindless_samplers;
-    }
-
-    /// Gets bound buffer used on this shader
-    u32 GetBoundBuffer() const {
-        return bound_buffer;
-    }
-
-    /// Obtains access to the guest driver's profile.
-    VideoCore::GuestDriverProfile* AccessGuestDriverProfile() const {
-        if (engine) {
-            return &engine->AccessGuestDriverProfile();
-        }
-        return nullptr;
-    }
-
-private:
-    const Tegra::Engines::ShaderType stage;
-    Tegra::Engines::ConstBufferEngineInterface* engine = nullptr;
-    KeyMap keys;
-    BoundSamplerMap bound_samplers;
-    BindlessSamplerMap bindless_samplers;
-    bool bound_buffer_saved{};
-    u32 bound_buffer{};
-};
-
-} // namespace VideoCommon::Shader
diff --git a/src/video_core/shader/control_flow.cpp b/src/video_core/shader/control_flow.cpp
index 0229733b6..2e2711350 100644
--- a/src/video_core/shader/control_flow.cpp
+++ b/src/video_core/shader/control_flow.cpp
@@ -13,6 +13,7 @@
 #include "common/common_types.h"
 #include "video_core/shader/ast.h"
 #include "video_core/shader/control_flow.h"
+#include "video_core/shader/registry.h"
 #include "video_core/shader/shader_ir.h"
 
 namespace VideoCommon::Shader {
@@ -64,11 +65,11 @@ struct BlockInfo {
 };
 
 struct CFGRebuildState {
-    explicit CFGRebuildState(const ProgramCode& program_code, u32 start, ConstBufferLocker& locker)
-        : program_code{program_code}, locker{locker}, start{start} {}
+    explicit CFGRebuildState(const ProgramCode& program_code, u32 start, Registry& registry)
+        : program_code{program_code}, registry{registry}, start{start} {}
 
     const ProgramCode& program_code;
-    ConstBufferLocker& locker;
+    Registry& registry;
     u32 start{};
     std::vector<BlockInfo> block_info;
     std::list<u32> inspect_queries;
@@ -438,7 +439,7 @@ std::pair<ParseResult, ParseInfo> ParseCode(CFGRebuildState& state, u32 address)
             const s32 pc_target = offset + result.relative_position;
             std::vector<CaseBranch> branches;
             for (u32 i = 0; i < result.entries; i++) {
-                auto key = state.locker.ObtainKey(result.buffer, result.offset + i * 4);
+                auto key = state.registry.ObtainKey(result.buffer, result.offset + i * 4);
                 if (!key) {
                     return {ParseResult::AbnormalFlow, parse_info};
                 }
@@ -656,14 +657,14 @@ void DecompileShader(CFGRebuildState& state) {
 
 std::unique_ptr<ShaderCharacteristics> ScanFlow(const ProgramCode& program_code, u32 start_address,
                                                 const CompilerSettings& settings,
-                                                ConstBufferLocker& locker) {
+                                                Registry& registry) {
     auto result_out = std::make_unique<ShaderCharacteristics>();
     if (settings.depth == CompileDepth::BruteForce) {
         result_out->settings.depth = CompileDepth::BruteForce;
         return result_out;
     }
 
-    CFGRebuildState state{program_code, start_address, locker};
+    CFGRebuildState state{program_code, start_address, registry};
     // Inspect Code and generate blocks
     state.labels.clear();
     state.labels.emplace(start_address);
diff --git a/src/video_core/shader/control_flow.h b/src/video_core/shader/control_flow.h
index 5304998b9..62a3510d8 100644
--- a/src/video_core/shader/control_flow.h
+++ b/src/video_core/shader/control_flow.h
@@ -12,6 +12,7 @@
 #include "video_core/engines/shader_bytecode.h"
 #include "video_core/shader/ast.h"
 #include "video_core/shader/compiler_settings.h"
+#include "video_core/shader/registry.h"
 #include "video_core/shader/shader_ir.h"
 
 namespace VideoCommon::Shader {
@@ -111,6 +112,6 @@ struct ShaderCharacteristics {
 
 std::unique_ptr<ShaderCharacteristics> ScanFlow(const ProgramCode& program_code, u32 start_address,
                                                 const CompilerSettings& settings,
-                                                ConstBufferLocker& locker);
+                                                Registry& registry);
 
 } // namespace VideoCommon::Shader
diff --git a/src/video_core/shader/decode.cpp b/src/video_core/shader/decode.cpp
index 6b697ed5d..87ac9ac6c 100644
--- a/src/video_core/shader/decode.cpp
+++ b/src/video_core/shader/decode.cpp
@@ -34,13 +34,9 @@ constexpr bool IsSchedInstruction(u32 offset, u32 main_offset) {
     return (absolute_offset % SchedPeriod) == 0;
 }
 
-void DeduceTextureHandlerSize(VideoCore::GuestDriverProfile* gpu_driver,
+void DeduceTextureHandlerSize(VideoCore::GuestDriverProfile& gpu_driver,
                               const std::list<Sampler>& used_samplers) {
-    if (gpu_driver == nullptr) {
-        LOG_CRITICAL(HW_GPU, "GPU driver profile has not been created yet");
-        return;
-    }
-    if (gpu_driver->TextureHandlerSizeKnown() || used_samplers.size() <= 1) {
+    if (gpu_driver.IsTextureHandlerSizeKnown() || used_samplers.size() <= 1) {
         return;
     }
     u32 count{};
@@ -53,17 +49,13 @@ void DeduceTextureHandlerSize(VideoCore::GuestDriverProfile* gpu_driver,
         bound_offsets.emplace_back(sampler.GetOffset());
     }
     if (count > 1) {
-        gpu_driver->DeduceTextureHandlerSize(std::move(bound_offsets));
+        gpu_driver.DeduceTextureHandlerSize(std::move(bound_offsets));
     }
 }
 
 std::optional<u32> TryDeduceSamplerSize(const Sampler& sampler_to_deduce,
-                                        VideoCore::GuestDriverProfile* gpu_driver,
+                                        VideoCore::GuestDriverProfile& gpu_driver,
                                         const std::list<Sampler>& used_samplers) {
-    if (gpu_driver == nullptr) {
-        LOG_CRITICAL(HW_GPU, "GPU Driver profile has not been created yet");
-        return std::nullopt;
-    }
     const u32 base_offset = sampler_to_deduce.GetOffset();
     u32 max_offset{std::numeric_limits<u32>::max()};
     for (const auto& sampler : used_samplers) {
@@ -77,7 +69,7 @@ std::optional<u32> TryDeduceSamplerSize(const Sampler& sampler_to_deduce,
     if (max_offset == std::numeric_limits<u32>::max()) {
         return std::nullopt;
     }
-    return ((max_offset - base_offset) * 4) / gpu_driver->GetTextureHandlerSize();
+    return ((max_offset - base_offset) * 4) / gpu_driver.GetTextureHandlerSize();
 }
 
 } // Anonymous namespace
@@ -149,7 +141,7 @@ void ShaderIR::Decode() {
     std::memcpy(&header, program_code.data(), sizeof(Tegra::Shader::Header));
 
     decompiled = false;
-    auto info = ScanFlow(program_code, main_offset, settings, locker);
+    auto info = ScanFlow(program_code, main_offset, settings, registry);
     auto& shader_info = *info;
     coverage_begin = shader_info.start;
     coverage_end = shader_info.end;
@@ -364,7 +356,7 @@ u32 ShaderIR::DecodeInstr(NodeBlock& bb, u32 pc) {
 
 void ShaderIR::PostDecode() {
     // Deduce texture handler size if needed
-    auto gpu_driver = locker.AccessGuestDriverProfile();
+    auto gpu_driver = registry.AccessGuestDriverProfile();
     DeduceTextureHandlerSize(gpu_driver, used_samplers);
     // Deduce Indexed Samplers
     if (!uses_indexed_samplers) {
diff --git a/src/video_core/shader/decode/texture.cpp b/src/video_core/shader/decode/texture.cpp
index bee7d8cad..48350e042 100644
--- a/src/video_core/shader/decode/texture.cpp
+++ b/src/video_core/shader/decode/texture.cpp
@@ -12,6 +12,7 @@
 #include "common/logging/log.h"
 #include "video_core/engines/shader_bytecode.h"
 #include "video_core/shader/node_helper.h"
+#include "video_core/shader/registry.h"
 #include "video_core/shader/shader_ir.h"
 
 namespace VideoCommon::Shader {
@@ -359,8 +360,8 @@ ShaderIR::SamplerInfo ShaderIR::GetSamplerInfo(std::optional<SamplerInfo> sample
     if (sampler_info) {
         return *sampler_info;
     }
-    const auto sampler =
-        buffer ? locker.ObtainBindlessSampler(*buffer, offset) : locker.ObtainBoundSampler(offset);
+    const auto sampler = buffer ? registry.ObtainBindlessSampler(*buffer, offset)
+                                : registry.ObtainBoundSampler(offset);
     if (!sampler) {
         LOG_WARNING(HW_GPU, "Unknown sampler info");
         return SamplerInfo{TextureType::Texture2D, false, false, false};
diff --git a/src/video_core/shader/registry.cpp b/src/video_core/shader/registry.cpp
new file mode 100644
index 000000000..af70b3f35
--- /dev/null
+++ b/src/video_core/shader/registry.cpp
@@ -0,0 +1,161 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <algorithm>
+#include <tuple>
+
+#include "common/assert.h"
+#include "common/common_types.h"
+#include "video_core/engines/kepler_compute.h"
+#include "video_core/engines/maxwell_3d.h"
+#include "video_core/engines/shader_type.h"
+#include "video_core/shader/registry.h"
+
+namespace VideoCommon::Shader {
+
+using Tegra::Engines::ConstBufferEngineInterface;
+using Tegra::Engines::SamplerDescriptor;
+using Tegra::Engines::ShaderType;
+
+namespace {
+
+GraphicsInfo MakeGraphicsInfo(ShaderType shader_stage, ConstBufferEngineInterface& engine) {
+    if (shader_stage == ShaderType::Compute) {
+        return {};
+    }
+    auto& graphics = static_cast<Tegra::Engines::Maxwell3D&>(engine);
+
+    GraphicsInfo info;
+    info.tfb_layouts = graphics.regs.tfb_layouts;
+    info.tfb_varying_locs = graphics.regs.tfb_varying_locs;
+    info.primitive_topology = graphics.regs.draw.topology;
+    info.tessellation_primitive = graphics.regs.tess_mode.prim;
+    info.tessellation_spacing = graphics.regs.tess_mode.spacing;
+    info.tfb_enabled = graphics.regs.tfb_enabled;
+    info.tessellation_clockwise = graphics.regs.tess_mode.cw;
+    return info;
+}
+
+ComputeInfo MakeComputeInfo(ShaderType shader_stage, ConstBufferEngineInterface& engine) {
+    if (shader_stage != ShaderType::Compute) {
+        return {};
+    }
+    auto& compute = static_cast<Tegra::Engines::KeplerCompute&>(engine);
+    const auto& launch = compute.launch_description;
+
+    ComputeInfo info;
+    info.workgroup_size = {launch.block_dim_x, launch.block_dim_y, launch.block_dim_z};
+    info.local_memory_size_in_words = launch.local_pos_alloc;
+    info.shared_memory_size_in_words = launch.shared_alloc;
+    return info;
+}
+
+} // Anonymous namespace
+
+Registry::Registry(Tegra::Engines::ShaderType shader_stage, const SerializedRegistryInfo& info)
+    : stage{shader_stage}, stored_guest_driver_profile{info.guest_driver_profile},
+      bound_buffer{info.bound_buffer}, graphics_info{info.graphics}, compute_info{info.compute} {}
+
+Registry::Registry(Tegra::Engines::ShaderType shader_stage,
+                   Tegra::Engines::ConstBufferEngineInterface& engine)
+    : stage{shader_stage}, engine{&engine}, bound_buffer{engine.GetBoundBuffer()},
+      graphics_info{MakeGraphicsInfo(shader_stage, engine)}, compute_info{MakeComputeInfo(
+                                                                 shader_stage, engine)} {}
+
+Registry::~Registry() = default;
+
+std::optional<u32> Registry::ObtainKey(u32 buffer, u32 offset) {
+    const std::pair<u32, u32> key = {buffer, offset};
+    const auto iter = keys.find(key);
+    if (iter != keys.end()) {
+        return iter->second;
+    }
+    if (!engine) {
+        return std::nullopt;
+    }
+    const u32 value = engine->AccessConstBuffer32(stage, buffer, offset);
+    keys.emplace(key, value);
+    return value;
+}
+
+std::optional<SamplerDescriptor> Registry::ObtainBoundSampler(u32 offset) {
+    const u32 key = offset;
+    const auto iter = bound_samplers.find(key);
+    if (iter != bound_samplers.end()) {
+        return iter->second;
+    }
+    if (!engine) {
+        return std::nullopt;
+    }
+    const SamplerDescriptor value = engine->AccessBoundSampler(stage, offset);
+    bound_samplers.emplace(key, value);
+    return value;
+}
+
+std::optional<Tegra::Engines::SamplerDescriptor> Registry::ObtainBindlessSampler(u32 buffer,
+                                                                                 u32 offset) {
+    const std::pair key = {buffer, offset};
+    const auto iter = bindless_samplers.find(key);
+    if (iter != bindless_samplers.end()) {
+        return iter->second;
+    }
+    if (!engine) {
+        return std::nullopt;
+    }
+    const SamplerDescriptor value = engine->AccessBindlessSampler(stage, buffer, offset);
+    bindless_samplers.emplace(key, value);
+    return value;
+}
+
+void Registry::InsertKey(u32 buffer, u32 offset, u32 value) {
+    keys.insert_or_assign({buffer, offset}, value);
+}
+
+void Registry::InsertBoundSampler(u32 offset, SamplerDescriptor sampler) {
+    bound_samplers.insert_or_assign(offset, sampler);
+}
+
+void Registry::InsertBindlessSampler(u32 buffer, u32 offset, SamplerDescriptor sampler) {
+    bindless_samplers.insert_or_assign({buffer, offset}, sampler);
+}
+
+bool Registry::IsConsistent() const {
+    if (!engine) {
+        return true;
+    }
+    return std::all_of(keys.begin(), keys.end(),
+                       [this](const auto& pair) {
+                           const auto [cbuf, offset] = pair.first;
+                           const auto value = pair.second;
+                           return value == engine->AccessConstBuffer32(stage, cbuf, offset);
+                       }) &&
+           std::all_of(bound_samplers.begin(), bound_samplers.end(),
+                       [this](const auto& sampler) {
+                           const auto [key, value] = sampler;
+                           return value == engine->AccessBoundSampler(stage, key);
+                       }) &&
+           std::all_of(bindless_samplers.begin(), bindless_samplers.end(),
+                       [this](const auto& sampler) {
+                           const auto [cbuf, offset] = sampler.first;
+                           const auto value = sampler.second;
+                           return value == engine->AccessBindlessSampler(stage, cbuf, offset);
+                       });
+}
+
+bool Registry::HasEqualKeys(const Registry& rhs) const {
+    return std::tie(keys, bound_samplers, bindless_samplers) ==
+           std::tie(rhs.keys, rhs.bound_samplers, rhs.bindless_samplers);
+}
+
+const GraphicsInfo& Registry::GetGraphicsInfo() const {
+    ASSERT(stage != Tegra::Engines::ShaderType::Compute);
+    return graphics_info;
+}
+
+const ComputeInfo& Registry::GetComputeInfo() const {
+    ASSERT(stage == Tegra::Engines::ShaderType::Compute);
+    return compute_info;
+}
+
+} // namespace VideoCommon::Shader
diff --git a/src/video_core/shader/registry.h b/src/video_core/shader/registry.h
new file mode 100644
index 000000000..0c80d35fd
--- /dev/null
+++ b/src/video_core/shader/registry.h
@@ -0,0 +1,137 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+#include <optional>
+#include <type_traits>
+#include <unordered_map>
+#include <utility>
+
+#include "common/common_types.h"
+#include "common/hash.h"
+#include "video_core/engines/const_buffer_engine_interface.h"
+#include "video_core/engines/maxwell_3d.h"
+#include "video_core/engines/shader_type.h"
+#include "video_core/guest_driver.h"
+
+namespace VideoCommon::Shader {
+
+using KeyMap = std::unordered_map<std::pair<u32, u32>, u32, Common::PairHash>;
+using BoundSamplerMap = std::unordered_map<u32, Tegra::Engines::SamplerDescriptor>;
+using BindlessSamplerMap =
+    std::unordered_map<std::pair<u32, u32>, Tegra::Engines::SamplerDescriptor, Common::PairHash>;
+
+struct GraphicsInfo {
+    using Maxwell = Tegra::Engines::Maxwell3D::Regs;
+
+    std::array<Maxwell::TransformFeedbackLayout, Maxwell::NumTransformFeedbackBuffers>
+        tfb_layouts{};
+    std::array<std::array<u8, 128>, Maxwell::NumTransformFeedbackBuffers> tfb_varying_locs{};
+    Maxwell::PrimitiveTopology primitive_topology{};
+    Maxwell::TessellationPrimitive tessellation_primitive{};
+    Maxwell::TessellationSpacing tessellation_spacing{};
+    bool tfb_enabled = false;
+    bool tessellation_clockwise = false;
+};
+static_assert(std::is_trivially_copyable_v<GraphicsInfo> &&
+              std::is_standard_layout_v<GraphicsInfo>);
+
+struct ComputeInfo {
+    std::array<u32, 3> workgroup_size{};
+    u32 shared_memory_size_in_words = 0;
+    u32 local_memory_size_in_words = 0;
+};
+static_assert(std::is_trivially_copyable_v<ComputeInfo> && std::is_standard_layout_v<ComputeInfo>);
+
+struct SerializedRegistryInfo {
+    VideoCore::GuestDriverProfile guest_driver_profile;
+    u32 bound_buffer = 0;
+    GraphicsInfo graphics;
+    ComputeInfo compute;
+};
+
+/**
+ * The Registry is a class use to interface the 3D and compute engines with the shader compiler.
+ * With it, the shader can obtain required data from GPU state and store it for disk shader
+ * compilation.
+ */
+class Registry {
+public:
+    explicit Registry(Tegra::Engines::ShaderType shader_stage, const SerializedRegistryInfo& info);
+
+    explicit Registry(Tegra::Engines::ShaderType shader_stage,
+                      Tegra::Engines::ConstBufferEngineInterface& engine);
+
+    ~Registry();
+
+    /// Retrieves a key from the registry, if it's registered, it will give the registered value, if
+    /// not it will obtain it from maxwell3d and register it.
+    std::optional<u32> ObtainKey(u32 buffer, u32 offset);
+
+    std::optional<Tegra::Engines::SamplerDescriptor> ObtainBoundSampler(u32 offset);
+
+    std::optional<Tegra::Engines::SamplerDescriptor> ObtainBindlessSampler(u32 buffer, u32 offset);
+
+    /// Inserts a key.
+    void InsertKey(u32 buffer, u32 offset, u32 value);
+
+    /// Inserts a bound sampler key.
+    void InsertBoundSampler(u32 offset, Tegra::Engines::SamplerDescriptor sampler);
+
+    /// Inserts a bindless sampler key.
+    void InsertBindlessSampler(u32 buffer, u32 offset, Tegra::Engines::SamplerDescriptor sampler);
+
+    /// Checks keys and samplers against engine's current const buffers.
+    /// Returns true if they are the same value, false otherwise.
+    bool IsConsistent() const;
+
+    /// Returns true if the keys are equal to the other ones in the registry.
+    bool HasEqualKeys(const Registry& rhs) const;
+
+    /// Returns graphics information from this shader
+    const GraphicsInfo& GetGraphicsInfo() const;
+
+    /// Returns compute information from this shader
+    const ComputeInfo& GetComputeInfo() const;
+
+    /// Gives an getter to the const buffer keys in the database.
+    const KeyMap& GetKeys() const {
+        return keys;
+    }
+
+    /// Gets samplers database.
+    const BoundSamplerMap& GetBoundSamplers() const {
+        return bound_samplers;
+    }
+
+    /// Gets bindless samplers database.
+    const BindlessSamplerMap& GetBindlessSamplers() const {
+        return bindless_samplers;
+    }
+
+    /// Gets bound buffer used on this shader
+    u32 GetBoundBuffer() const {
+        return bound_buffer;
+    }
+
+    /// Obtains access to the guest driver's profile.
+    VideoCore::GuestDriverProfile& AccessGuestDriverProfile() {
+        return engine ? engine->AccessGuestDriverProfile() : stored_guest_driver_profile;
+    }
+
+private:
+    const Tegra::Engines::ShaderType stage;
+    VideoCore::GuestDriverProfile stored_guest_driver_profile;
+    Tegra::Engines::ConstBufferEngineInterface* engine = nullptr;
+    KeyMap keys;
+    BoundSamplerMap bound_samplers;
+    BindlessSamplerMap bindless_samplers;
+    u32 bound_buffer;
+    GraphicsInfo graphics_info;
+    ComputeInfo compute_info;
+};
+
+} // namespace VideoCommon::Shader
diff --git a/src/video_core/shader/shader_ir.cpp b/src/video_core/shader/shader_ir.cpp
index 3a5d280a9..425927777 100644
--- a/src/video_core/shader/shader_ir.cpp
+++ b/src/video_core/shader/shader_ir.cpp
@@ -11,6 +11,7 @@
 #include "common/logging/log.h"
 #include "video_core/engines/shader_bytecode.h"
 #include "video_core/shader/node_helper.h"
+#include "video_core/shader/registry.h"
 #include "video_core/shader/shader_ir.h"
 
 namespace VideoCommon::Shader {
@@ -24,8 +25,8 @@ using Tegra::Shader::PredOperation;
 using Tegra::Shader::Register;
 
 ShaderIR::ShaderIR(const ProgramCode& program_code, u32 main_offset, CompilerSettings settings,
-                   ConstBufferLocker& locker)
-    : program_code{program_code}, main_offset{main_offset}, settings{settings}, locker{locker} {
+                   Registry& registry)
+    : program_code{program_code}, main_offset{main_offset}, settings{settings}, registry{registry} {
     Decode();
     PostDecode();
 }
diff --git a/src/video_core/shader/shader_ir.h b/src/video_core/shader/shader_ir.h
index b0851c3be..dde036b40 100644
--- a/src/video_core/shader/shader_ir.h
+++ b/src/video_core/shader/shader_ir.h
@@ -18,8 +18,8 @@
 #include "video_core/engines/shader_header.h"
 #include "video_core/shader/ast.h"
 #include "video_core/shader/compiler_settings.h"
-#include "video_core/shader/const_buffer_locker.h"
 #include "video_core/shader/node.h"
+#include "video_core/shader/registry.h"
 
 namespace VideoCommon::Shader {
 
@@ -69,7 +69,7 @@ struct GlobalMemoryUsage {
 class ShaderIR final {
 public:
     explicit ShaderIR(const ProgramCode& program_code, u32 main_offset, CompilerSettings settings,
-                      ConstBufferLocker& locker);
+                      Registry& registry);
     ~ShaderIR();
 
     const std::map<u32, NodeBlock>& GetBasicBlocks() const {
@@ -414,7 +414,7 @@ private:
     const ProgramCode& program_code;
     const u32 main_offset;
     const CompilerSettings settings;
-    ConstBufferLocker& locker;
+    Registry& registry;
 
     bool decompiled{};
     bool disable_flow_stack{};
diff --git a/src/video_core/shader/track.cpp b/src/video_core/shader/track.cpp
index 15e22b9fa..10739b37d 100644
--- a/src/video_core/shader/track.cpp
+++ b/src/video_core/shader/track.cpp
@@ -81,26 +81,20 @@ std::tuple<Node, TrackSampler> ShaderIR::TrackBindlessSampler(Node tracked, cons
                 MakeTrackSampler<BindlessSamplerNode>(cbuf->GetIndex(), immediate->GetValue());
             return {tracked, track};
         } else if (const auto operation = std::get_if<OperationNode>(&*offset)) {
-            auto bound_buffer = locker.ObtainBoundBuffer();
-            if (!bound_buffer) {
+            const u32 bound_buffer = registry.GetBoundBuffer();
+            if (bound_buffer != cbuf->GetIndex()) {
                 return {};
             }
-            if (*bound_buffer != cbuf->GetIndex()) {
-                return {};
-            }
-            auto pair = DecoupleIndirectRead(*operation);
+            const auto pair = DecoupleIndirectRead(*operation);
             if (!pair) {
                 return {};
             }
             auto [gpr, base_offset] = *pair;
             const auto offset_inm = std::get_if<ImmediateNode>(&*base_offset);
-            auto gpu_driver = locker.AccessGuestDriverProfile();
-            if (gpu_driver == nullptr) {
-                return {};
-            }
+            const auto& gpu_driver = registry.AccessGuestDriverProfile();
             const u32 bindless_cv = NewCustomVariable();
-            const Node op = Operation(OperationCode::UDiv, NO_PRECISE, gpr,
-                                      Immediate(gpu_driver->GetTextureHandlerSize()));
+            const Node op =
+                Operation(OperationCode::UDiv, gpr, Immediate(gpu_driver.GetTextureHandlerSize()));
 
             const Node cv_node = GetCustomVariable(bindless_cv);
             Node amend_op = Operation(OperationCode::Assign, cv_node, std::move(op));
diff --git a/src/video_core/shader/transform_feedback.cpp b/src/video_core/shader/transform_feedback.cpp
new file mode 100644
index 000000000..22a933761
--- /dev/null
+++ b/src/video_core/shader/transform_feedback.cpp
@@ -0,0 +1,115 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <algorithm>
+#include <array>
+#include <unordered_map>
+
+#include "common/assert.h"
+#include "common/common_types.h"
+#include "video_core/engines/maxwell_3d.h"
+#include "video_core/shader/registry.h"
+#include "video_core/shader/transform_feedback.h"
+
+namespace VideoCommon::Shader {
+
+namespace {
+
+using Maxwell = Tegra::Engines::Maxwell3D::Regs;
+
+// TODO(Rodrigo): Change this to constexpr std::unordered_set in C++20
+
+/// Attribute offsets that describe a vector
+constexpr std::array VECTORS = {
+    28,  // gl_Position
+    32,  // Generic 0
+    36,  // Generic 1
+    40,  // Generic 2
+    44,  // Generic 3
+    48,  // Generic 4
+    52,  // Generic 5
+    56,  // Generic 6
+    60,  // Generic 7
+    64,  // Generic 8
+    68,  // Generic 9
+    72,  // Generic 10
+    76,  // Generic 11
+    80,  // Generic 12
+    84,  // Generic 13
+    88,  // Generic 14
+    92,  // Generic 15
+    96,  // Generic 16
+    100, // Generic 17
+    104, // Generic 18
+    108, // Generic 19
+    112, // Generic 20
+    116, // Generic 21
+    120, // Generic 22
+    124, // Generic 23
+    128, // Generic 24
+    132, // Generic 25
+    136, // Generic 26
+    140, // Generic 27
+    144, // Generic 28
+    148, // Generic 29
+    152, // Generic 30
+    156, // Generic 31
+    160, // gl_FrontColor
+    164, // gl_FrontSecondaryColor
+    160, // gl_BackColor
+    164, // gl_BackSecondaryColor
+    192, // gl_TexCoord[0]
+    196, // gl_TexCoord[1]
+    200, // gl_TexCoord[2]
+    204, // gl_TexCoord[3]
+    208, // gl_TexCoord[4]
+    212, // gl_TexCoord[5]
+    216, // gl_TexCoord[6]
+    220, // gl_TexCoord[7]
+};
+} // namespace
+
+std::unordered_map<u8, VaryingTFB> BuildTransformFeedback(const GraphicsInfo& info) {
+
+    std::unordered_map<u8, VaryingTFB> tfb;
+
+    for (std::size_t buffer = 0; buffer < Maxwell::NumTransformFeedbackBuffers; ++buffer) {
+        const auto& locations = info.tfb_varying_locs[buffer];
+        const auto& layout = info.tfb_layouts[buffer];
+        const std::size_t varying_count = layout.varying_count;
+
+        std::size_t highest = 0;
+
+        for (std::size_t offset = 0; offset < varying_count; ++offset) {
+            const std::size_t base_offset = offset;
+            const u8 location = locations[offset];
+
+            VaryingTFB varying;
+            varying.buffer = layout.stream;
+            varying.stride = layout.stride;
+            varying.offset = offset * sizeof(u32);
+            varying.components = 1;
+
+            if (std::find(VECTORS.begin(), VECTORS.end(), location / 4 * 4) != VECTORS.end()) {
+                UNIMPLEMENTED_IF_MSG(location % 4 != 0, "Unaligned TFB");
+
+                const u8 base_index = location / 4;
+                while (offset + 1 < varying_count && base_index == locations[offset + 1] / 4) {
+                    ++offset;
+                    ++varying.components;
+                }
+            }
+
+            [[maybe_unused]] const bool inserted = tfb.emplace(location, varying).second;
+            UNIMPLEMENTED_IF_MSG(!inserted, "Varying already stored");
+
+            highest = std::max(highest, (base_offset + varying.components) * sizeof(u32));
+        }
+
+        UNIMPLEMENTED_IF(highest != layout.stride);
+    }
+    return tfb;
+}
+
+} // namespace VideoCommon::Shader
diff --git a/src/video_core/shader/transform_feedback.h b/src/video_core/shader/transform_feedback.h
new file mode 100644
index 000000000..77d05f64c
--- /dev/null
+++ b/src/video_core/shader/transform_feedback.h
@@ -0,0 +1,23 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <unordered_map>
+
+#include "common/common_types.h"
+#include "video_core/shader/registry.h"
+
+namespace VideoCommon::Shader {
+
+struct VaryingTFB {
+    std::size_t buffer;
+    std::size_t stride;
+    std::size_t offset;
+    std::size_t components;
+};
+
+std::unordered_map<u8, VaryingTFB> BuildTransformFeedback(const GraphicsInfo& info);
+
+} // namespace VideoCommon::Shader