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-rw-r--r--src/video_core/shader/node.h514
-rw-r--r--src/video_core/shader/node_helper.h7
-rw-r--r--src/video_core/shader/shader_ir.h493
3 files changed, 521 insertions, 493 deletions
diff --git a/src/video_core/shader/node.h b/src/video_core/shader/node.h
new file mode 100644
index 000000000..c002f90f9
--- /dev/null
+++ b/src/video_core/shader/node.h
@@ -0,0 +1,514 @@
+// 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 {
+
+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 OperationNode;
+class ConditionalNode;
+class GprNode;
+class ImmediateNode;
+class InternalFlagNode;
+class PredicateNode;
+class AbufNode;
+class CbufNode;
+class LmemNode;
+class GmemNode;
+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>;
+
+class Sampler {
+public:
+ /// This constructor is for bound 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} {}
+
+ /// This constructor is 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} {}
+
+ /// This constructor is 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);
+ }
+};
+
+/// Parameters describing an arithmetic operation
+struct MetaArithmetic {
+ bool precise{}; ///< Whether the operation can be constraint or not
+};
+
+/// Parameters describing a texture sampler
+struct MetaTexture {
+ const Sampler& sampler;
+ Node array;
+ Node depth_compare;
+ std::vector<Node> aoffi;
+ Node bias;
+ Node lod;
+ Node component{};
+ u32 element{};
+};
+
+/// Parameters that modify an operation but are not part of any particular operand
+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{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 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{};
+};
+
+/// 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;
+};
+
+/// 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
diff --git a/src/video_core/shader/node_helper.h b/src/video_core/shader/node_helper.h
index 70547a03d..0c2aa749b 100644
--- a/src/video_core/shader/node_helper.h
+++ b/src/video_core/shader/node_helper.h
@@ -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);
diff --git a/src/video_core/shader/shader_ir.h b/src/video_core/shader/shader_ir.h
index 1b2745c23..edcf2288e 100644
--- a/src/video_core/shader/shader_ir.h
+++ b/src/video_core/shader/shader_ir.h
@@ -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);