1 files changed, 662 insertions, 0 deletions

diff --git a/src/video_core/shader/shader_ir.h b/src/video_core/shader/shader_ir.h
new file mode 100644
index 000000000..300cf1083
--- /dev/null
+++ b/src/video_core/shader/shader_ir.h
@@ -0,0 +1,662 @@
+// Copyright 2018 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <map>
+#include <set>
+#include <string>
+#include <tuple>
+#include <variant>
+#include <vector>
+
+#include "common/assert.h"
+#include "common/common_types.h"
+#include "video_core/engines/maxwell_3d.h"
+#include "video_core/engines/shader_bytecode.h"
+#include "video_core/engines/shader_header.h"
+
+namespace VideoCommon::Shader {
+
+class OperationNode;
+class ConditionalNode;
+class GprNode;
+class ImmediateNode;
+class InternalFlagNode;
+class PredicateNode;
+class AbufNode; ///< Attribute buffer
+class CbufNode; ///< Constant buffer
+class LmemNode; ///< Local memory
+class GmemNode; ///< Global memory
+class CommentNode;
+
+using ProgramCode = std::vector<u64>;
+
+using NodeData =
+    std::variant<OperationNode, ConditionalNode, GprNode, ImmediateNode, InternalFlagNode,
+                 PredicateNode, AbufNode, CbufNode, LmemNode, GmemNode, CommentNode>;
+using Node = const NodeData*;
+using BasicBlock = std::vector<Node>;
+
+constexpr u32 MAX_PROGRAM_LENGTH = 0x1000;
+
+constexpr u32 RZ = 0xff;
+
+enum class OperationCode {
+    Assign,          /// (float& dest, float src) -> void
+    AssignComposite, /// (MetaComponents, float4 src, float&[4] dst) -> void
+
+    Composite, /// (float[4] values) -> float4
+    Select,    /// (MetaArithmetic, bool pred, float a, float b) -> float
+
+    FAdd,          /// (MetaArithmetic, float a, float b) -> float
+    FMul,          /// (MetaArithmetic, float a, float b) -> float
+    FDiv,          /// (MetaArithmetic, float a, float b) -> float
+    FFma,          /// (MetaArithmetic, float a, float b, float c) -> float
+    FNegate,       /// (MetaArithmetic, float a) -> float
+    FAbsolute,     /// (MetaArithmetic, float a) -> float
+    FClamp,        /// (MetaArithmetic, float value, float min, float max) -> float
+    FMin,          /// (MetaArithmetic, float a, float b) -> float
+    FMax,          /// (MetaArithmetic, float a, float b) -> float
+    FCos,          /// (MetaArithmetic, float a) -> float
+    FSin,          /// (MetaArithmetic, float a) -> float
+    FExp2,         /// (MetaArithmetic, float a) -> float
+    FLog2,         /// (MetaArithmetic, float a) -> float
+    FInverseSqrt,  /// (MetaArithmetic, float a) -> float
+    FSqrt,         /// (MetaArithmetic, float a) -> float
+    FRoundEven,    /// (MetaArithmetic, float a) -> float
+    FFloor,        /// (MetaArithmetic, float a) -> float
+    FCeil,         /// (MetaArithmetic, float a) -> float
+    FTrunc,        /// (MetaArithmetic, float a) -> float
+    FCastInteger,  /// (MetaArithmetic, int a) -> float
+    FCastUInteger, /// (MetaArithmetic, uint a) -> float
+
+    IAdd,                  /// (MetaArithmetic, int a, int b) -> int
+    IMul,                  /// (MetaArithmetic, int a, int b) -> int
+    IDiv,                  /// (MetaArithmetic, int a, int b) -> int
+    INegate,               /// (MetaArithmetic, int a) -> int
+    IAbsolute,             /// (MetaArithmetic, int a) -> int
+    IMin,                  /// (MetaArithmetic, int a, int b) -> int
+    IMax,                  /// (MetaArithmetic, int a, int b) -> int
+    ICastFloat,            /// (MetaArithmetic, float a) -> int
+    ICastUnsigned,         /// (MetaArithmetic, uint a) -> int
+    ILogicalShiftLeft,     /// (MetaArithmetic, int a, uint b) -> int
+    ILogicalShiftRight,    /// (MetaArithmetic, int a, uint b) -> int
+    IArithmeticShiftRight, /// (MetaArithmetic, int a, uint b) -> int
+    IBitwiseAnd,           /// (MetaArithmetic, int a, int b) -> int
+    IBitwiseOr,            /// (MetaArithmetic, int a, int b) -> int
+    IBitwiseXor,           /// (MetaArithmetic, int a, int b) -> int
+    IBitwiseNot,           /// (MetaArithmetic, int a) -> int
+    IBitfieldInsert,       /// (MetaArithmetic, int base, int insert, int offset, int bits) -> int
+
+    UAdd,                  /// (MetaArithmetic, uint a, uint b) -> uint
+    UMul,                  /// (MetaArithmetic, uint a, uint b) -> uint
+    UDiv,                  /// (MetaArithmetic, uint a, uint b) -> uint
+    UMin,                  /// (MetaArithmetic, uint a, uint b) -> uint
+    UMax,                  /// (MetaArithmetic, uint a, uint b) -> uint
+    UCastFloat,            /// (MetaArithmetic, float a) -> uint
+    UCastSigned,           /// (MetaArithmetic, int a) -> uint
+    ULogicalShiftLeft,     /// (MetaArithmetic, uint a, uint b) -> uint
+    ULogicalShiftRight,    /// (MetaArithmetic, uint a, uint b) -> uint
+    UArithmeticShiftRight, /// (MetaArithmetic, uint a, uint b) -> uint
+    UBitwiseAnd,           /// (MetaArithmetic, uint a, uint b) -> uint
+    UBitwiseOr,            /// (MetaArithmetic, uint a, uint b) -> uint
+    UBitwiseXor,           /// (MetaArithmetic, uint a, uint b) -> uint
+    UBitwiseNot,           /// (MetaArithmetic, uint a) -> int
+    UBitfieldInsert, /// (MetaArithmetic, uint base, uint insert, int offset, int bits) -> uint
+
+    HAdd,      /// (MetaHalfArithmetic, f16vec2 a, f16vec2 b) -> f16vec2
+    HMul,      /// (MetaHalfArithmetic, f16vec2 a, f16vec2 b) -> f16vec2
+    HAbsolute, /// (f16vec2 a) -> f16vec2
+    HNegate,   /// (f16vec2 a, bool first, bool second) -> f16vec2
+    HMergeF32, /// (f16vec2 src) -> float
+    HMergeH0,  /// (f16vec2 dest, f16vec2 src) -> f16vec2
+    HMergeH1,  /// (f16vec2 dest, f16vec2 src) -> f16vec2
+
+    LogicalAssign, /// (bool& dst, bool src) -> void
+    LogicalAnd,    /// (bool a, bool b) -> bool
+    LogicalOr,     /// (bool a, bool b) -> bool
+    LogicalXor,    /// (bool a, bool b) -> bool
+    LogicalNegate, /// (bool a) -> bool
+
+    LogicalFLessThan,     /// (float a, float b) -> bool
+    LogicalFEqual,        /// (float a, float b) -> bool
+    LogicalFLessEqual,    /// (float a, float b) -> bool
+    LogicalFGreaterThan,  /// (float a, float b) -> bool
+    LogicalFNotEqual,     /// (float a, float b) -> bool
+    LogicalFGreaterEqual, /// (float a, float b) -> bool
+    LogicalFIsNan,        /// (float a) -> bool
+
+    LogicalILessThan,     /// (int a, int b) -> bool
+    LogicalIEqual,        /// (int a, int b) -> bool
+    LogicalILessEqual,    /// (int a, int b) -> bool
+    LogicalIGreaterThan,  /// (int a, int b) -> bool
+    LogicalINotEqual,     /// (int a, int b) -> bool
+    LogicalIGreaterEqual, /// (int a, int b) -> bool
+
+    LogicalULessThan,     /// (uint a, uint b) -> bool
+    LogicalUEqual,        /// (uint a, uint b) -> bool
+    LogicalULessEqual,    /// (uint a, uint b) -> bool
+    LogicalUGreaterThan,  /// (uint a, uint b) -> bool
+    LogicalUNotEqual,     /// (uint a, uint b) -> bool
+    LogicalUGreaterEqual, /// (uint a, uint b) -> bool
+
+    LogicalHLessThan,     /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool
+    LogicalHEqual,        /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool
+    LogicalHLessEqual,    /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool
+    LogicalHGreaterThan,  /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool
+    LogicalHNotEqual,     /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool
+    LogicalHGreaterEqual, /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool
+
+    F4Texture,                /// (MetaTexture, float[N] coords, float[M] params) -> float4
+    F4TextureLod,             /// (MetaTexture, float[N] coords, float[M] params) -> float4
+    F4TextureGather,          /// (MetaTexture, float[N] coords, float[M] params) -> float4
+    F4TextureQueryDimensions, /// (MetaTexture, float a) -> float4
+    F4TextureQueryLod,        /// (MetaTexture, float[N] coords) -> float4
+
+    Ipa, /// (abuf src) -> float
+
+    Bra,  /// (uint branch_target) -> void
+    Ssy,  /// (uint branch_target) -> void
+    Pbk,  /// (uint branch_target) -> void
+    Sync, /// () -> void
+    Brk,  /// () -> void
+    Exit, /// () -> void
+    Kil,  /// () -> void
+
+    YNegate, /// () -> float
+
+    Amount,
+};
+
+enum class InternalFlag {
+    Zero = 0,
+    Sign = 1,
+    Carry = 2,
+    Overflow = 3,
+    Amount = 4,
+};
+
+/// Describes the behaviour of code path of a given entry point and a return point.
+enum class ExitMethod {
+    Undetermined, ///< Internal value. Only occur when analyzing JMP loop.
+    AlwaysReturn, ///< All code paths reach the return point.
+    Conditional,  ///< Code path reaches the return point or an END instruction conditionally.
+    AlwaysEnd,    ///< All code paths reach a END instruction.
+};
+
+class Sampler {
+public:
+    explicit Sampler(std::size_t offset, std::size_t index, Tegra::Shader::TextureType type,
+                     bool is_array, bool is_shadow)
+        : offset{offset}, index{index}, type{type}, is_array{is_array}, is_shadow{is_shadow} {}
+
+    std::size_t GetOffset() const {
+        return offset;
+    }
+
+    u32 GetIndex() const {
+        return static_cast<u32>(index);
+    }
+
+    Tegra::Shader::TextureType GetType() const {
+        return type;
+    }
+
+    bool IsArray() const {
+        return is_array;
+    }
+
+    bool IsShadow() const {
+        return is_shadow;
+    }
+
+    bool operator<(const Sampler& rhs) const {
+        return std::tie(offset, index, type, is_array, is_shadow) <
+               std::tie(rhs.offset, rhs.index, rhs.type, rhs.is_array, rhs.is_shadow);
+    }
+
+private:
+    /// Offset in TSC memory from which to read the sampler object, as specified by the sampling
+    /// instruction.
+    std::size_t offset{};
+    std::size_t index{}; ///< Value used to index into the generated GLSL sampler array.
+    Tegra::Shader::TextureType type{}; ///< The type used to sample this texture (Texture2D, etc)
+    bool is_array{};  ///< Whether the texture is being sampled as an array texture or not.
+    bool is_shadow{}; ///< Whether the texture is being sampled as a depth texture or not.
+};
+
+class ConstBuffer {
+public:
+    void MarkAsUsed(u64 offset) {
+        max_offset = std::max(max_offset, static_cast<u32>(offset));
+    }
+
+    void MarkAsUsedIndirect() {
+        is_indirect = true;
+    }
+
+    bool IsIndirect() const {
+        return is_indirect;
+    }
+
+    u32 GetSize() const {
+        return max_offset + 1;
+    }
+
+private:
+    u32 max_offset{};
+    bool is_indirect{};
+};
+
+struct MetaArithmetic {
+    bool precise{};
+};
+
+struct MetaHalfArithmetic {
+    bool precise{};
+    std::array<Tegra::Shader::HalfType, 3> types = {Tegra::Shader::HalfType::H0_H1,
+                                                    Tegra::Shader::HalfType::H0_H1,
+                                                    Tegra::Shader::HalfType::H0_H1};
+    bool and_comparison{};
+};
+
+struct MetaTexture {
+    const Sampler& sampler;
+    u32 coords_count{};
+};
+
+struct MetaComponents {
+    std::array<u32, 4> components_map{};
+
+    u32 GetSourceComponent(u32 dest_index) const {
+        return components_map[dest_index];
+    }
+};
+
+constexpr MetaArithmetic PRECISE = {true};
+constexpr MetaArithmetic NO_PRECISE = {false};
+constexpr MetaHalfArithmetic HALF_NO_PRECISE = {false};
+
+using Meta = std::variant<MetaArithmetic, MetaHalfArithmetic, MetaTexture, MetaComponents>;
+
+/// Holds any kind of operation that can be done in the IR
+class OperationNode final {
+public:
+    template <typename... T>
+    explicit constexpr OperationNode(OperationCode code) : code{code}, meta{} {}
+
+    template <typename... T>
+    explicit constexpr OperationNode(OperationCode code, Meta&& meta)
+        : code{code}, meta{std::move(meta)} {}
+
+    template <typename... T>
+    explicit constexpr OperationNode(OperationCode code, const T*... operands)
+        : OperationNode(code, {}, operands...) {}
+
+    template <typename... T>
+    explicit constexpr OperationNode(OperationCode code, Meta&& meta, const T*... operands_)
+        : code{code}, meta{std::move(meta)} {
+
+        auto operands_list = {operands_...};
+        for (auto& operand : operands_list) {
+            operands.push_back(operand);
+        }
+    }
+
+    explicit OperationNode(OperationCode code, Meta&& meta, std::vector<Node>&& operands)
+        : code{code}, meta{meta}, operands{std::move(operands)} {}
+
+    explicit OperationNode(OperationCode code, std::vector<Node>&& operands)
+        : code{code}, meta{}, operands{std::move(operands)} {}
+
+    OperationCode GetCode() const {
+        return code;
+    }
+
+    const Meta& GetMeta() const {
+        return meta;
+    }
+
+    std::size_t GetOperandsCount() const {
+        return operands.size();
+    }
+
+    Node operator[](std::size_t operand_index) const {
+        return operands.at(operand_index);
+    }
+
+private:
+    const OperationCode code;
+    const Meta meta;
+    std::vector<Node> operands;
+};
+
+/// Encloses inside any kind of node that returns a boolean conditionally-executed code
+class ConditionalNode final {
+public:
+    explicit ConditionalNode(Node condition, std::vector<Node>&& code)
+        : condition{condition}, code{std::move(code)} {}
+
+    Node GetCondition() const {
+        return condition;
+    }
+
+    const std::vector<Node>& GetCode() const {
+        return code;
+    }
+
+private:
+    const Node condition;   ///< Condition to be satisfied
+    std::vector<Node> code; ///< Code to execute
+};
+
+/// A general purpose register
+class GprNode final {
+public:
+    explicit constexpr GprNode(Tegra::Shader::Register index) : index{index} {}
+
+    u32 GetIndex() const {
+        return static_cast<u32>(index);
+    }
+
+private:
+    const Tegra::Shader::Register index;
+};
+
+/// A 32-bits value that represents an immediate value
+class ImmediateNode final {
+public:
+    explicit constexpr ImmediateNode(u32 value) : value{value} {}
+
+    u32 GetValue() const {
+        return value;
+    }
+
+private:
+    const u32 value;
+};
+
+/// One of Maxwell's internal flags
+class InternalFlagNode final {
+public:
+    explicit constexpr InternalFlagNode(InternalFlag flag) : flag{flag} {}
+
+    InternalFlag GetFlag() const {
+        return flag;
+    }
+
+private:
+    const InternalFlag flag;
+};
+
+/// A predicate register, it can be negated without aditional nodes
+class PredicateNode final {
+public:
+    explicit constexpr PredicateNode(Tegra::Shader::Pred index, bool negated)
+        : index{index}, negated{negated} {}
+
+    Tegra::Shader::Pred GetIndex() const {
+        return index;
+    }
+
+    bool IsNegated() const {
+        return negated;
+    }
+
+private:
+    const Tegra::Shader::Pred index;
+    const bool negated;
+};
+
+/// Attribute buffer memory (known as attributes or varyings in GLSL terms)
+class AbufNode final {
+public:
+    explicit constexpr AbufNode(Tegra::Shader::Attribute::Index index, u32 element,
+                                const Tegra::Shader::IpaMode& input_mode, Node buffer = {})
+        : input_mode{input_mode}, index{index}, element{element}, buffer{buffer} {}
+
+    explicit constexpr AbufNode(Tegra::Shader::Attribute::Index index, u32 element,
+                                Node buffer = {})
+        : input_mode{}, index{index}, element{element}, buffer{buffer} {}
+
+    Tegra::Shader::IpaMode GetInputMode() const {
+        return input_mode;
+    }
+
+    Tegra::Shader::Attribute::Index GetIndex() const {
+        return index;
+    }
+
+    u32 GetElement() const {
+        return element;
+    }
+
+    Node GetBuffer() const {
+        return buffer;
+    }
+
+private:
+    const Tegra::Shader::IpaMode input_mode;
+    const Node buffer;
+    const Tegra::Shader::Attribute::Index index;
+    const u32 element;
+};
+
+/// Constant buffer node, usually mapped to uniform buffers in GLSL
+class CbufNode final {
+public:
+    explicit constexpr CbufNode(u32 index, Node offset) : index{index}, offset{offset} {}
+
+    u32 GetIndex() const {
+        return index;
+    }
+
+    Node GetOffset() const {
+        return offset;
+    }
+
+private:
+    const u32 index;
+    const Node offset;
+};
+
+/// Local memory node
+class LmemNode final {
+public:
+    explicit constexpr LmemNode(Node address) : address{address} {}
+
+    Node GetAddress() const {
+        return address;
+    }
+
+private:
+    const Node address;
+};
+
+/// Global memory node
+class GmemNode final {
+public:
+    explicit GmemNode(Node address) : address{address} {}
+
+    Node GetAddress() const {
+        return address;
+    }
+
+private:
+    const Node address;
+};
+
+/// Commentary, can be dropped
+class CommentNode final {
+public:
+    explicit CommentNode(const std::string& text) : text{text} {}
+
+    const std::string& GetText() const {
+        return text;
+    }
+
+private:
+    const std::string text;
+};
+
+class ShaderIR final {
+public:
+    explicit ShaderIR(const ProgramCode& program_code, u32 main_offset)
+        : program_code{program_code}, main_offset{main_offset} {
+
+        Decode();
+    }
+
+    const std::map<u32, BasicBlock>& GetBasicBlocks() const {
+        return basic_blocks;
+    }
+
+    const std::set<u32>& GetRegisters() const {
+        return used_registers;
+    }
+
+    const std::set<Tegra::Shader::Pred>& GetPredicates() const {
+        return used_predicates;
+    }
+
+    const std::map<Tegra::Shader::Attribute::Index, std::set<Tegra::Shader::IpaMode>>&
+    GetInputAttributes() const {
+        return used_input_attributes;
+    }
+
+    const std::set<Tegra::Shader::Attribute::Index>& GetOutputAttributes() const {
+        return used_output_attributes;
+    }
+
+    const std::map<u32, ConstBuffer>& GetConstantBuffers() const {
+        return used_cbufs;
+    }
+
+    const std::set<Sampler>& GetSamplers() const {
+        return used_samplers;
+    }
+
+    const std::array<bool, Tegra::Engines::Maxwell3D::Regs::NumClipDistances>& GetClipDistances()
+        const {
+        return used_clip_distances;
+    }
+
+    std::size_t GetLength() const {
+        return static_cast<std::size_t>(coverage_end * sizeof(u64));
+    }
+
+    const Tegra::Shader::Header& GetHeader() const {
+        return header;
+    }
+
+private:
+    void Decode();
+
+    ExitMethod Scan(u32 begin, u32 end, std::set<u32>& labels);
+
+    BasicBlock DecodeRange(u32 begin, u32 end);
+
+    /**
+     * Decodes a single instruction from Tegra to IR.
+     * @param bb Basic block where the nodes will be written to.
+     * @param pc Program counter. Offset to decode.
+     * @return Next address to decode.
+     */
+    u32 DecodeInstr(BasicBlock& bb, u32 pc);
+
+    u32 DecodeArithmetic(BasicBlock& bb, u32 pc);
+    u32 DecodeArithmeticImmediate(BasicBlock& bb, u32 pc);
+    u32 DecodeBfe(BasicBlock& bb, u32 pc);
+    u32 DecodeBfi(BasicBlock& bb, u32 pc);
+    u32 DecodeShift(BasicBlock& bb, u32 pc);
+    u32 DecodeArithmeticInteger(BasicBlock& bb, u32 pc);
+    u32 DecodeArithmeticIntegerImmediate(BasicBlock& bb, u32 pc);
+    u32 DecodeArithmeticHalf(BasicBlock& bb, u32 pc);
+    u32 DecodeArithmeticHalfImmediate(BasicBlock& bb, u32 pc);
+    u32 DecodeFfma(BasicBlock& bb, u32 pc);
+    u32 DecodeHfma2(BasicBlock& bb, u32 pc);
+    u32 DecodeConversion(BasicBlock& bb, u32 pc);
+    u32 DecodeMemory(BasicBlock& bb, u32 pc);
+    u32 DecodeFloatSetPredicate(BasicBlock& bb, u32 pc);
+    u32 DecodeIntegerSetPredicate(BasicBlock& bb, u32 pc);
+    u32 DecodeHalfSetPredicate(BasicBlock& bb, u32 pc);
+    u32 DecodePredicateSetRegister(BasicBlock& bb, u32 pc);
+    u32 DecodePredicateSetPredicate(BasicBlock& bb, u32 pc);
+    u32 DecodeRegisterSetPredicate(BasicBlock& bb, u32 pc);
+    u32 DecodeFloatSet(BasicBlock& bb, u32 pc);
+    u32 DecodeIntegerSet(BasicBlock& bb, u32 pc);
+    u32 DecodeHalfSet(BasicBlock& bb, u32 pc);
+    u32 DecodeXmad(BasicBlock& bb, u32 pc);
+    u32 DecodeOther(BasicBlock& bb, u32 pc);
+
+    /// Internalizes node's data and returns a managed pointer to a clone of that node
+    Node StoreNode(NodeData&& node_data);
+
+    /// Creates a conditional node
+    Node Conditional(Node condition, std::vector<Node>&& code);
+    /// Creates a commentary
+    Node Comment(const std::string& text);
+
+    /// Generates a node for a passed predicate. It can be optionally negated
+    Node GetPredicate(u64 pred, bool negated = false);
+
+    template <typename... T>
+    inline Node Operation(OperationCode code, const T*... operands) {
+        return StoreNode(OperationNode(code, operands...));
+    }
+
+    template <typename... T>
+    inline Node Operation(OperationCode code, Meta&& meta, const T*... operands) {
+        return StoreNode(OperationNode(code, std::move(meta), operands...));
+    }
+
+    template <typename... T>
+    inline Node Operation(OperationCode code, std::vector<Node>&& operands) {
+        return StoreNode(OperationNode(code, std::move(operands)));
+    }
+
+    template <typename... T>
+    inline Node Operation(OperationCode code, Meta&& meta, std::vector<Node>&& operands) {
+        return StoreNode(OperationNode(code, std::move(meta), std::move(operands)));
+    }
+
+    template <typename... T>
+    inline Node SignedOperation(OperationCode code, bool is_signed, const T*... operands) {
+        return StoreNode(OperationNode(SignedToUnsignedCode(code, is_signed), operands...));
+    }
+
+    template <typename... T>
+    inline Node SignedOperation(OperationCode code, bool is_signed, Meta&& meta,
+                                const T*... operands) {
+        return StoreNode(
+            OperationNode(SignedToUnsignedCode(code, is_signed), std::move(meta), operands...));
+    }
+
+    static OperationCode SignedToUnsignedCode(OperationCode operation_code, bool is_signed);
+
+    const ProgramCode& program_code;
+    const u32 main_offset;
+
+    u32 coverage_begin{};
+    u32 coverage_end{};
+    std::map<std::pair<u32, u32>, ExitMethod> exit_method_map;
+
+    std::map<u32, BasicBlock> basic_blocks;
+
+    std::vector<std::unique_ptr<NodeData>> stored_nodes;
+
+    std::set<u32> used_registers;
+    std::set<Tegra::Shader::Pred> used_predicates;
+    std::map<Tegra::Shader::Attribute::Index, std::set<Tegra::Shader::IpaMode>>
+        used_input_attributes;
+    std::set<Tegra::Shader::Attribute::Index> used_output_attributes;
+    std::map<u32, ConstBuffer> used_cbufs;
+    std::set<Sampler> used_samplers;
+    std::array<bool, Tegra::Engines::Maxwell3D::Regs::NumClipDistances> used_clip_distances{};
+
+    Tegra::Shader::Header header;
+};
+
+} // namespace VideoCommon::Shader
\ No newline at end of file