// Copyright 2019 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <array>
#include <cstddef>
#include <memory>
#include <optional>
#include <string>
#include <tuple>
#include <utility>
#include <variant>
#include <vector>
#include "common/common_types.h"
#include "video_core/engines/shader_bytecode.h"
namespace VideoCommon::Shader {
enum class OperationCode {
Assign, /// (float& dest, float src) -> void
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
FCastHalf0, /// (MetaArithmetic, f16vec2 a) -> float
FCastHalf1, /// (MetaArithmetic, f16vec2 a) -> 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
FSwizzleAdd, /// (float a, float b, uint mask) -> 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
IBitfieldExtract, /// (MetaArithmetic, int value, int offset, int offset) -> int
IBitCount, /// (MetaArithmetic, int) -> int
IBitMSB, /// (MetaArithmetic, int) -> 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) -> uint
UBitfieldInsert, /// (MetaArithmetic, uint base, uint insert, int offset, int bits) -> uint
UBitfieldExtract, /// (MetaArithmetic, uint value, int offset, int offset) -> uint
UBitCount, /// (MetaArithmetic, uint) -> uint
UBitMSB, /// (MetaArithmetic, uint) -> uint
HAdd, /// (MetaArithmetic, f16vec2 a, f16vec2 b) -> f16vec2
HMul, /// (MetaArithmetic, f16vec2 a, f16vec2 b) -> f16vec2
HFma, /// (MetaArithmetic, f16vec2 a, f16vec2 b, f16vec2 c) -> f16vec2
HAbsolute, /// (f16vec2 a) -> f16vec2
HNegate, /// (f16vec2 a, bool first, bool second) -> f16vec2
HClamp, /// (f16vec2 src, float min, float max) -> f16vec2
HCastFloat, /// (MetaArithmetic, float a) -> f16vec2
HUnpack, /// (Tegra::Shader::HalfType, T value) -> f16vec2
HMergeF32, /// (f16vec2 src) -> float
HMergeH0, /// (f16vec2 dest, f16vec2 src) -> f16vec2
HMergeH1, /// (f16vec2 dest, f16vec2 src) -> f16vec2
HPack2, /// (float a, float b) -> 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
LogicalPick2, /// (bool2 pair, uint index) -> bool
LogicalAnd2, /// (bool2 a) -> bool
LogicalFOrdLessThan, /// (float a, float b) -> bool
LogicalFOrdEqual, /// (float a, float b) -> bool
LogicalFOrdLessEqual, /// (float a, float b) -> bool
LogicalFOrdGreaterThan, /// (float a, float b) -> bool
LogicalFOrdNotEqual, /// (float a, float b) -> bool
LogicalFOrdGreaterEqual, /// (float a, float b) -> bool
LogicalFOrdered, /// (float a, float b) -> bool
LogicalFUnordered, /// (float a, float b) -> bool
LogicalFUnordLessThan, /// (float a, float b) -> bool
LogicalFUnordEqual, /// (float a, float b) -> bool
LogicalFUnordLessEqual, /// (float a, float b) -> bool
LogicalFUnordGreaterThan, /// (float a, float b) -> bool
LogicalFUnordNotEqual, /// (float a, float b) -> bool
LogicalFUnordGreaterEqual, /// (float a, float b) -> 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
LogicalAddCarry, /// (uint a, uint b) -> bool
Logical2HLessThan, /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool2
Logical2HEqual, /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool2
Logical2HLessEqual, /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool2
Logical2HGreaterThan, /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool2
Logical2HNotEqual, /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool2
Logical2HGreaterEqual, /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool2
Logical2HLessThanWithNan, /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool2
Logical2HEqualWithNan, /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool2
Logical2HLessEqualWithNan, /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool2
Logical2HGreaterThanWithNan, /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool2
Logical2HNotEqualWithNan, /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool2
Logical2HGreaterEqualWithNan, /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool2
Texture, /// (MetaTexture, float[N] coords) -> float4
TextureLod, /// (MetaTexture, float[N] coords) -> float4
TextureGather, /// (MetaTexture, float[N] coords) -> float4
TextureQueryDimensions, /// (MetaTexture, float a) -> float4
TextureQueryLod, /// (MetaTexture, float[N] coords) -> float4
TexelFetch, /// (MetaTexture, int[N], int) -> float4
TextureGradient, /// (MetaTexture, float[N] coords, float[N*2] derivates) -> float4
ImageLoad, /// (MetaImage, int[N] coords) -> void
ImageStore, /// (MetaImage, int[N] coords) -> void
AtomicImageAdd, /// (MetaImage, int[N] coords) -> void
AtomicImageAnd, /// (MetaImage, int[N] coords) -> void
AtomicImageOr, /// (MetaImage, int[N] coords) -> void
AtomicImageXor, /// (MetaImage, int[N] coords) -> void
AtomicImageExchange, /// (MetaImage, int[N] coords) -> void
AtomicUExchange, /// (memory, uint) -> uint
AtomicUAdd, /// (memory, uint) -> uint
AtomicUMin, /// (memory, uint) -> uint
AtomicUMax, /// (memory, uint) -> uint
AtomicUAnd, /// (memory, uint) -> uint
AtomicUOr, /// (memory, uint) -> uint
AtomicUXor, /// (memory, uint) -> uint
AtomicIExchange, /// (memory, int) -> int
AtomicIAdd, /// (memory, int) -> int
AtomicIMin, /// (memory, int) -> int
AtomicIMax, /// (memory, int) -> int
AtomicIAnd, /// (memory, int) -> int
AtomicIOr, /// (memory, int) -> int
AtomicIXor, /// (memory, int) -> int
ReduceUAdd, /// (memory, uint) -> void
ReduceUMin, /// (memory, uint) -> void
ReduceUMax, /// (memory, uint) -> void
ReduceUAnd, /// (memory, uint) -> void
ReduceUOr, /// (memory, uint) -> void
ReduceUXor, /// (memory, uint) -> void
ReduceIAdd, /// (memory, int) -> void
ReduceIMin, /// (memory, int) -> void
ReduceIMax, /// (memory, int) -> void
ReduceIAnd, /// (memory, int) -> void
ReduceIOr, /// (memory, int) -> void
ReduceIXor, /// (memory, int) -> void
Branch, /// (uint branch_target) -> void
BranchIndirect, /// (uint branch_target) -> void
PushFlowStack, /// (uint branch_target) -> void
PopFlowStack, /// () -> void
Exit, /// () -> void
Discard, /// () -> void
EmitVertex, /// () -> void
EndPrimitive, /// () -> void
InvocationId, /// () -> int
YNegate, /// () -> float
LocalInvocationIdX, /// () -> uint
LocalInvocationIdY, /// () -> uint
LocalInvocationIdZ, /// () -> uint
WorkGroupIdX, /// () -> uint
WorkGroupIdY, /// () -> uint
WorkGroupIdZ, /// () -> uint
BallotThread, /// (bool) -> uint
VoteAll, /// (bool) -> bool
VoteAny, /// (bool) -> bool
VoteEqual, /// (bool) -> bool
ThreadId, /// () -> uint
ThreadEqMask, /// () -> uint
ThreadGeMask, /// () -> uint
ThreadGtMask, /// () -> uint
ThreadLeMask, /// () -> uint
ThreadLtMask, /// () -> uint
ShuffleIndexed, /// (uint value, uint index) -> uint
Barrier, /// () -> void
MemoryBarrierGroup, /// () -> void
MemoryBarrierGlobal, /// () -> void
Amount,
};
enum class InternalFlag {
Zero = 0,
Sign = 1,
Carry = 2,
Overflow = 3,
Amount = 4,
};
enum class MetaStackClass {
Ssy,
Pbk,
};
class OperationNode;
class ConditionalNode;
class GprNode;
class CustomVarNode;
class ImmediateNode;
class InternalFlagNode;
class PredicateNode;
class AbufNode;
class CbufNode;
class LmemNode;
class PatchNode;
class SmemNode;
class GmemNode;
class CommentNode;
using NodeData = std::variant<OperationNode, ConditionalNode, GprNode, CustomVarNode, ImmediateNode,
InternalFlagNode, PredicateNode, AbufNode, PatchNode, CbufNode,
LmemNode, SmemNode, GmemNode, CommentNode>;
using Node = std::shared_ptr<NodeData>;
using Node4 = std::array<Node, 4>;
using NodeBlock = std::vector<Node>;
class BindlessSamplerNode;
class ArraySamplerNode;
using TrackSamplerData = std::variant<BindlessSamplerNode, ArraySamplerNode>;
using TrackSampler = std::shared_ptr<TrackSamplerData>;
struct Sampler {
/// Bound samplers constructor
constexpr explicit Sampler(u32 index, u32 offset, Tegra::Shader::TextureType type,
bool is_array, bool is_shadow, bool is_buffer, bool is_indexed)
: index{index}, offset{offset}, type{type}, is_array{is_array}, is_shadow{is_shadow},
is_buffer{is_buffer}, is_indexed{is_indexed} {}
/// Bindless samplers constructor
constexpr explicit Sampler(u32 index, u32 offset, u32 buffer, Tegra::Shader::TextureType type,
bool is_array, bool is_shadow, bool is_buffer, bool is_indexed)
: index{index}, offset{offset}, buffer{buffer}, type{type}, is_array{is_array},
is_shadow{is_shadow}, is_buffer{is_buffer}, is_bindless{true}, is_indexed{is_indexed} {}
u32 index = 0; ///< Emulated index given for the this sampler.
u32 offset = 0; ///< Offset in the const buffer from where the sampler is being read.
u32 buffer = 0; ///< Buffer where the bindless sampler is being read (unused on bound samplers).
u32 size = 1; ///< Size of the sampler.
Tegra::Shader::TextureType type{}; ///< The type used to sample this texture (Texture2D, etc)
bool is_array = false; ///< Whether the texture is being sampled as an array texture or not.
bool is_shadow = false; ///< Whether the texture is being sampled as a depth texture or not.
bool is_buffer = false; ///< Whether the texture is a texture buffer without sampler.
bool is_bindless = false; ///< Whether this sampler belongs to a bindless texture or not.
bool is_indexed = false; ///< Whether this sampler is an indexed array of textures.
};
/// Represents a tracked bindless sampler into a direct const buffer
class ArraySamplerNode final {
public:
explicit ArraySamplerNode(u32 index, u32 base_offset, u32 bindless_var)
: index{index}, base_offset{base_offset}, bindless_var{bindless_var} {}
constexpr u32 GetIndex() const {
return index;
}
constexpr u32 GetBaseOffset() const {
return base_offset;
}
constexpr u32 GetIndexVar() const {
return bindless_var;
}
private:
u32 index;
u32 base_offset;
u32 bindless_var;
};
/// Represents a tracked bindless sampler into a direct const buffer
class BindlessSamplerNode final {
public:
explicit BindlessSamplerNode(u32 index, u32 offset) : index{index}, offset{offset} {}
constexpr u32 GetIndex() const {
return index;
}
constexpr u32 GetOffset() const {
return offset;
}
private:
u32 index;
u32 offset;
};
struct Image {
public:
/// Bound images constructor
constexpr explicit Image(u32 index, u32 offset, Tegra::Shader::ImageType type)
: index{index}, offset{offset}, type{type} {}
/// Bindless samplers constructor
constexpr explicit Image(u32 index, u32 offset, u32 buffer, Tegra::Shader::ImageType type)
: index{index}, offset{offset}, buffer{buffer}, type{type}, is_bindless{true} {}
void MarkWrite() {
is_written = true;
}
void MarkRead() {
is_read = true;
}
void MarkAtomic() {
MarkWrite();
MarkRead();
is_atomic = true;
}
u32 index = 0;
u32 offset = 0;
u32 buffer = 0;
Tegra::Shader::ImageType type{};
bool is_bindless = false;
bool is_written = false;
bool is_read = false;
bool is_atomic = false;
};
struct GlobalMemoryBase {
u32 cbuf_index = 0;
u32 cbuf_offset = 0;
bool operator<(const GlobalMemoryBase& rhs) const {
return std::tie(cbuf_index, cbuf_offset) < std::tie(rhs.cbuf_index, rhs.cbuf_offset);
}
};
/// Parameters describing an arithmetic operation
struct MetaArithmetic {
bool precise{}; ///< Whether the operation can be constraint or not
};
/// Parameters describing a texture sampler
struct MetaTexture {
Sampler sampler;
Node array;
Node depth_compare;
std::vector<Node> aoffi;
std::vector<Node> ptp;
std::vector<Node> derivates;
Node bias;
Node lod;
Node component;
u32 element{};
Node index;
};
struct MetaImage {
const Image& image;
std::vector<Node> values;
u32 element{};
};
/// Parameters that modify an operation but are not part of any particular operand
using Meta =
std::variant<MetaArithmetic, MetaTexture, MetaImage, MetaStackClass, Tegra::Shader::HalfType>;
class AmendNode {
public:
std::optional<std::size_t> GetAmendIndex() const {
if (amend_index == amend_null_index) {
return std::nullopt;
}
return {amend_index};
}
void SetAmendIndex(std::size_t index) {
amend_index = index;
}
void ClearAmend() {
amend_index = amend_null_index;
}
private:
static constexpr std::size_t amend_null_index = 0xFFFFFFFFFFFFFFFFULL;
std::size_t amend_index{amend_null_index};
};
/// Holds any kind of operation that can be done in the IR
class OperationNode final : public AmendNode {
public:
explicit OperationNode(OperationCode code) : OperationNode(code, Meta{}) {}
explicit OperationNode(OperationCode code, Meta meta)
: OperationNode(code, std::move(meta), std::vector<Node>{}) {}
explicit OperationNode(OperationCode code, std::vector<Node> operands)
: OperationNode(code, Meta{}, std::move(operands)) {}
explicit OperationNode(OperationCode code, Meta meta, std::vector<Node> operands)
: code{code}, meta{std::move(meta)}, operands{std::move(operands)} {}
template <typename... Args>
explicit OperationNode(OperationCode code, Meta meta, Args&&... operands)
: code{code}, meta{std::move(meta)}, operands{operands...} {}
OperationCode GetCode() const {
return code;
}
const Meta& GetMeta() const {
return meta;
}
std::size_t GetOperandsCount() const {
return operands.size();
}
const Node& operator[](std::size_t operand_index) const {
return operands.at(operand_index);
}
private:
OperationCode code{};
Meta meta{};
std::vector<Node> operands;
};
/// Encloses inside any kind of node that returns a boolean conditionally-executed code
class ConditionalNode final : public AmendNode {
public:
explicit ConditionalNode(Node condition, std::vector<Node>&& code)
: condition{std::move(condition)}, code{std::move(code)} {}
const Node& GetCondition() const {
return condition;
}
const std::vector<Node>& GetCode() const {
return code;
}
private:
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:
Tegra::Shader::Register index{};
};
/// A custom variable
class CustomVarNode final {
public:
explicit constexpr CustomVarNode(u32 index) : index{index} {}
constexpr u32 GetIndex() const {
return index;
}
private:
u32 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:
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:
InternalFlag flag{};
};
/// A predicate register, it can be negated without additional 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:
Tegra::Shader::Pred index{};
bool negated{};
};
/// Attribute buffer memory (known as attributes or varyings in GLSL terms)
class AbufNode final {
public:
// Initialize for standard attributes (index is explicit).
explicit AbufNode(Tegra::Shader::Attribute::Index index, u32 element, Node buffer = {})
: buffer{std::move(buffer)}, index{index}, element{element} {}
// Initialize for physical attributes (index is a variable value).
explicit AbufNode(Node physical_address, Node buffer = {})
: physical_address{std::move(physical_address)}, buffer{std::move(buffer)} {}
Tegra::Shader::Attribute::Index GetIndex() const {
return index;
}
u32 GetElement() const {
return element;
}
const Node& GetBuffer() const {
return buffer;
}
bool IsPhysicalBuffer() const {
return static_cast<bool>(physical_address);
}
const Node& GetPhysicalAddress() const {
return physical_address;
}
private:
Node physical_address;
Node buffer;
Tegra::Shader::Attribute::Index index{};
u32 element{};
};
/// Patch memory (used to communicate tessellation stages).
class PatchNode final {
public:
explicit PatchNode(u32 offset) : offset{offset} {}
u32 GetOffset() const {
return offset;
}
private:
u32 offset{};
};
/// Constant buffer node, usually mapped to uniform buffers in GLSL
class CbufNode final {
public:
explicit CbufNode(u32 index, Node offset) : index{index}, offset{std::move(offset)} {}
u32 GetIndex() const {
return index;
}
const Node& GetOffset() const {
return offset;
}
private:
u32 index{};
Node offset;
};
/// Local memory node
class LmemNode final {
public:
explicit LmemNode(Node address) : address{std::move(address)} {}
const Node& GetAddress() const {
return address;
}
private:
Node address;
};
/// Shared memory node
class SmemNode final {
public:
explicit SmemNode(Node address) : address{std::move(address)} {}
const Node& GetAddress() const {
return address;
}
private:
Node address;
};
/// Global memory node
class GmemNode final {
public:
explicit GmemNode(Node real_address, Node base_address, const GlobalMemoryBase& descriptor)
: real_address{std::move(real_address)}, base_address{std::move(base_address)},
descriptor{descriptor} {}
const Node& GetRealAddress() const {
return real_address;
}
const Node& GetBaseAddress() const {
return base_address;
}
const GlobalMemoryBase& GetDescriptor() const {
return descriptor;
}
private:
Node real_address;
Node base_address;
GlobalMemoryBase descriptor;
};
/// Commentary, can be dropped
class CommentNode final {
public:
explicit CommentNode(std::string text) : text{std::move(text)} {}
const std::string& GetText() const {
return text;
}
private:
std::string text;
};
} // namespace VideoCommon::Shader
