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shader: Move Node declarations out of the shader IR header 

Analysis passes do not have a good reason to depend on shader_ir.h to
work on top of nodes. This splits node-related declarations to their own
file and leaves the IR in shader_ir.h
This commit is contained in:
ReinUsesLisp 2019-06-06 19:31:14 -03:00
parent 04ac7a637a
commit e1b3be7ced
4 changed files with 518 additions and 493 deletions
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1
src/video_core/CMakeLists.txt
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@ -104,6 +104,7 @@ add_library(video_core STATIC
shader/decode.cpp
shader/node_helper.cpp
shader/node_helper.h
shader/node.h
shader/shader_ir.cpp
shader/shader_ir.h
shader/track.cpp

510
src/video_core/shader/node.h Normal file
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@ -0,0 +1,510 @@
// 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 <string>
#include <tuple>
#include <utility>
#include <variant>
#include <vector>
#include "common/common_types.h"
#include "video_core/engines/shader_bytecode.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 NodeData =
std::variant<OperationNode, ConditionalNode, GprNode, ImmediateNode, InternalFlagNode,
PredicateNode, AbufNode, CbufNode, LmemNode, GmemNode, CommentNode>;
using Node = std::shared_ptr<NodeData>;
using Node4 = std::array<Node, 4>;
using NodeBlock = std::vector<Node>;
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
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
IBitfieldExtract, /// (MetaArithmetic, int value, int offset, int offset) -> int
IBitCount, /// (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
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
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
LogicalAll2, /// (bool2 a) -> bool
LogicalAny2, /// (bool2 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
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
Branch, /// (uint branch_target) -> void
PushFlowStack, /// (uint branch_target) -> void
PopFlowStack, /// () -> void
Exit, /// () -> void
Discard, /// () -> void
EmitVertex, /// () -> void
EndPrimitive, /// () -> void
YNegate, /// () -> float
LocalInvocationIdX, /// () -> uint
LocalInvocationIdY, /// () -> uint
LocalInvocationIdZ, /// () -> uint
WorkGroupIdX, /// () -> uint
WorkGroupIdY, /// () -> uint
WorkGroupIdZ, /// () -> uint
Amount,
};
enum class InternalFlag {
Zero = 0,
Sign = 1,
Carry = 2,
Overflow = 3,
Amount = 4,
};
class Sampler {
public:
// Use this constructor for bounded Samplers
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},
is_bindless{false} {}
// Use this constructor for bindless Samplers
explicit Sampler(u32 cbuf_index, u32 cbuf_offset, std::size_t index,
Tegra::Shader::TextureType type, bool is_array, bool is_shadow)
: offset{(static_cast<u64>(cbuf_index) << 32) | cbuf_offset}, index{index}, type{type},
is_array{is_array}, is_shadow{is_shadow}, is_bindless{true} {}
// Use this only for serialization/deserialization
explicit Sampler(std::size_t offset, std::size_t index, Tegra::Shader::TextureType type,
bool is_array, bool is_shadow, bool is_bindless)
: offset{offset}, index{index}, type{type}, is_array{is_array}, is_shadow{is_shadow},
is_bindless{is_bindless} {}
std::size_t GetOffset() const {
return offset;
}
std::size_t GetIndex() const {
return index;
}
Tegra::Shader::TextureType GetType() const {
return type;
}
bool IsArray() const {
return is_array;
}
bool IsShadow() const {
return is_shadow;
}
bool IsBindless() const {
return is_bindless;
}
std::pair<u32, u32> GetBindlessCBuf() const {
return {static_cast<u32>(offset >> 32), static_cast<u32>(offset)};
}
bool operator<(const Sampler& rhs) const {
return std::tie(index, offset, type, is_array, is_shadow, is_bindless) <
std::tie(rhs.index, rhs.offset, rhs.type, rhs.is_array, rhs.is_shadow,
rhs.is_bindless);
}
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.
bool is_bindless{}; ///< Whether this sampler belongs to a bindless texture or not.
};
struct GlobalMemoryBase {
u32 cbuf_index{};
u32 cbuf_offset{};
bool operator<(const GlobalMemoryBase& rhs) const {
return std::tie(cbuf_index, cbuf_offset) < std::tie(rhs.cbuf_index, rhs.cbuf_offset);
}
};
struct MetaArithmetic {
bool precise{};
};
struct MetaTexture {
const Sampler& sampler;
Node array{};
Node depth_compare{};
std::vector<Node> aoffi;
Node bias{};
Node lod{};
Node component{};
u32 element{};
};
using Meta = std::variant<MetaArithmetic, MetaTexture, Tegra::Shader::HalfType>;
/// Holds any kind of operation that can be done in the IR
class OperationNode final {
public:
explicit OperationNode(OperationCode code) : OperationNode(code, Meta{}) {}
explicit OperationNode(OperationCode code, Meta meta)
: OperationNode(code, 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:
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 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:
const Tegra::Shader::Pred index;
const 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{physical_address}, buffer{std::move(buffer)} {}
Tegra::Shader::Attribute::Index GetIndex() const {
return index;
}
u32 GetElement() const {
return element;
}
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{};
};
/// Constant buffer node, usually mapped to uniform buffers in GLSL
class CbufNode final {
public:
explicit 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 LmemNode(Node address) : address{address} {}
Node GetAddress() const {
return address;
}
private:
const Node address;
};
/// Global memory node
class GmemNode final {
public:
explicit GmemNode(Node real_address, Node base_address, const GlobalMemoryBase& descriptor)
: real_address{real_address}, base_address{base_address}, descriptor{descriptor} {}
Node GetRealAddress() const {
return real_address;
}
Node GetBaseAddress() const {
return base_address;
}
const GlobalMemoryBase& GetDescriptor() const {
return descriptor;
}
private:
const Node real_address;
const Node base_address;
const 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

7
src/video_core/shader/node_helper.h
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@ -12,10 +12,15 @@
#include <vector>
#include "common/common_types.h"
#include "video_core/shader/shader_ir.h"
#include "video_core/shader/node.h"
namespace VideoCommon::Shader {
/// This arithmetic operation cannot be constraint
inline constexpr MetaArithmetic PRECISE = {true};
/// This arithmetic operation can be optimized away
inline constexpr MetaArithmetic NO_PRECISE = {false};
/// Creates a conditional node
Node Conditional(Node condition, std::vector<Node> code);

493
src/video_core/shader/shader_ir.h
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@ -18,188 +18,14 @@
#include "video_core/engines/maxwell_3d.h"
#include "video_core/engines/shader_bytecode.h"
#include "video_core/engines/shader_header.h"
#include "video_core/shader/node.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 = std::shared_ptr<NodeData>;
using Node4 = std::array<Node, 4>;
using NodeBlock = std::vector<Node>;
constexpr u32 MAX_PROGRAM_LENGTH = 0x1000;
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
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
IBitfieldExtract, /// (MetaArithmetic, int value, int offset, int offset) -> int
IBitCount, /// (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
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
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
LogicalAll2, /// (bool2 a) -> bool
LogicalAny2, /// (bool2 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
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
Branch, /// (uint branch_target) -> void
PushFlowStack, /// (uint branch_target) -> void
PopFlowStack, /// () -> void
Exit, /// () -> void
Discard, /// () -> void
EmitVertex, /// () -> void
EndPrimitive, /// () -> void
YNegate, /// () -> float
LocalInvocationIdX, /// () -> uint
LocalInvocationIdY, /// () -> uint
LocalInvocationIdZ, /// () -> uint
WorkGroupIdX, /// () -> uint
WorkGroupIdY, /// () -> uint
WorkGroupIdZ, /// () -> uint
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.
@ -208,71 +34,6 @@ enum class ExitMethod {
AlwaysEnd, ///< All code paths reach a END instruction.
};
class Sampler {
public:
// Use this constructor for bounded Samplers
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},
is_bindless{false} {}
// Use this constructor for bindless Samplers
explicit Sampler(u32 cbuf_index, u32 cbuf_offset, std::size_t index,
Tegra::Shader::TextureType type, bool is_array, bool is_shadow)
: offset{(static_cast<u64>(cbuf_index) << 32) | cbuf_offset}, index{index}, type{type},
is_array{is_array}, is_shadow{is_shadow}, is_bindless{true} {}
// Use this only for serialization/deserialization
explicit Sampler(std::size_t offset, std::size_t index, Tegra::Shader::TextureType type,
bool is_array, bool is_shadow, bool is_bindless)
: offset{offset}, index{index}, type{type}, is_array{is_array}, is_shadow{is_shadow},
is_bindless{is_bindless} {}
std::size_t GetOffset() const {
return offset;
}
std::size_t GetIndex() const {
return index;
}
Tegra::Shader::TextureType GetType() const {
return type;
}
bool IsArray() const {
return is_array;
}
bool IsShadow() const {
return is_shadow;
}
bool IsBindless() const {
return is_bindless;
}
std::pair<u32, u32> GetBindlessCBuf() const {
return {static_cast<u32>(offset >> 32), static_cast<u32>(offset)};
}
bool operator<(const Sampler& rhs) const {
return std::tie(index, offset, type, is_array, is_shadow, is_bindless) <
std::tie(rhs.index, rhs.offset, rhs.type, rhs.is_array, rhs.is_shadow,
rhs.is_bindless);
}
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.
bool is_bindless{}; ///< Whether this sampler belongs to a bindless texture or not.
};
class ConstBuffer {
public:
explicit ConstBuffer(u32 max_offset, bool is_indirect)
@ -305,263 +66,11 @@ private:
bool is_indirect{};
};
struct GlobalMemoryBase {
u32 cbuf_index{};
u32 cbuf_offset{};
bool operator<(const GlobalMemoryBase& rhs) const {
return std::tie(cbuf_index, cbuf_offset) < std::tie(rhs.cbuf_index, rhs.cbuf_offset);
}
};
struct GlobalMemoryUsage {
bool is_read{};
bool is_written{};
};
struct MetaArithmetic {
bool precise{};
};
struct MetaTexture {
const Sampler& sampler;
Node array{};
Node depth_compare{};
std::vector<Node> aoffi;
Node bias{};
Node lod{};
Node component{};
u32 element{};
};
constexpr MetaArithmetic PRECISE = {true};
constexpr MetaArithmetic NO_PRECISE = {false};
using Meta = std::variant<MetaArithmetic, MetaTexture, Tegra::Shader::HalfType>;
/// Holds any kind of operation that can be done in the IR
class OperationNode final {
public:
explicit OperationNode(OperationCode code) : OperationNode(code, Meta{}) {}
explicit OperationNode(OperationCode code, Meta meta)
: OperationNode(code, 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:
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 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:
const Tegra::Shader::Pred index;
const 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{physical_address}, buffer{std::move(buffer)} {}
Tegra::Shader::Attribute::Index GetIndex() const {
return index;
}
u32 GetElement() const {
return element;
}
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{};
};
/// Constant buffer node, usually mapped to uniform buffers in GLSL
class CbufNode final {
public:
explicit 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 LmemNode(Node address) : address{address} {}
Node GetAddress() const {
return address;
}
private:
const Node address;
};
/// Global memory node
class GmemNode final {
public:
explicit GmemNode(Node real_address, Node base_address, const GlobalMemoryBase& descriptor)
: real_address{real_address}, base_address{base_address}, descriptor{descriptor} {}
Node GetRealAddress() const {
return real_address;
}
Node GetBaseAddress() const {
return base_address;
}
const GlobalMemoryBase& GetDescriptor() const {
return descriptor;
}
private:
const Node real_address;
const Node base_address;
const 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;
};
class ShaderIR final {
public:
explicit ShaderIR(const ProgramCode& program_code, u32 main_offset);