570 lines
19 KiB
C++
570 lines
19 KiB
C++
// Copyright 2019 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <array>
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#include <cstddef>
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#include <memory>
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#include <string>
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#include <tuple>
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#include <utility>
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#include <variant>
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#include <vector>
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#include "common/common_types.h"
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#include "video_core/engines/shader_bytecode.h"
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namespace VideoCommon::Shader {
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enum class OperationCode {
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Assign, /// (float& dest, float src) -> void
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Select, /// (MetaArithmetic, bool pred, float a, float b) -> float
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FAdd, /// (MetaArithmetic, float a, float b) -> float
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FMul, /// (MetaArithmetic, float a, float b) -> float
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FDiv, /// (MetaArithmetic, float a, float b) -> float
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FFma, /// (MetaArithmetic, float a, float b, float c) -> float
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FNegate, /// (MetaArithmetic, float a) -> float
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FAbsolute, /// (MetaArithmetic, float a) -> float
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FClamp, /// (MetaArithmetic, float value, float min, float max) -> float
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FMin, /// (MetaArithmetic, float a, float b) -> float
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FMax, /// (MetaArithmetic, float a, float b) -> float
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FCos, /// (MetaArithmetic, float a) -> float
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FSin, /// (MetaArithmetic, float a) -> float
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FExp2, /// (MetaArithmetic, float a) -> float
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FLog2, /// (MetaArithmetic, float a) -> float
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FInverseSqrt, /// (MetaArithmetic, float a) -> float
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FSqrt, /// (MetaArithmetic, float a) -> float
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FRoundEven, /// (MetaArithmetic, float a) -> float
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FFloor, /// (MetaArithmetic, float a) -> float
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FCeil, /// (MetaArithmetic, float a) -> float
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FTrunc, /// (MetaArithmetic, float a) -> float
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FCastInteger, /// (MetaArithmetic, int a) -> float
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FCastUInteger, /// (MetaArithmetic, uint a) -> float
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IAdd, /// (MetaArithmetic, int a, int b) -> int
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IMul, /// (MetaArithmetic, int a, int b) -> int
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IDiv, /// (MetaArithmetic, int a, int b) -> int
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INegate, /// (MetaArithmetic, int a) -> int
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IAbsolute, /// (MetaArithmetic, int a) -> int
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IMin, /// (MetaArithmetic, int a, int b) -> int
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IMax, /// (MetaArithmetic, int a, int b) -> int
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ICastFloat, /// (MetaArithmetic, float a) -> int
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ICastUnsigned, /// (MetaArithmetic, uint a) -> int
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ILogicalShiftLeft, /// (MetaArithmetic, int a, uint b) -> int
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ILogicalShiftRight, /// (MetaArithmetic, int a, uint b) -> int
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IArithmeticShiftRight, /// (MetaArithmetic, int a, uint b) -> int
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IBitwiseAnd, /// (MetaArithmetic, int a, int b) -> int
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IBitwiseOr, /// (MetaArithmetic, int a, int b) -> int
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IBitwiseXor, /// (MetaArithmetic, int a, int b) -> int
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IBitwiseNot, /// (MetaArithmetic, int a) -> int
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IBitfieldInsert, /// (MetaArithmetic, int base, int insert, int offset, int bits) -> int
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IBitfieldExtract, /// (MetaArithmetic, int value, int offset, int offset) -> int
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IBitCount, /// (MetaArithmetic, int) -> int
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UAdd, /// (MetaArithmetic, uint a, uint b) -> uint
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UMul, /// (MetaArithmetic, uint a, uint b) -> uint
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UDiv, /// (MetaArithmetic, uint a, uint b) -> uint
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UMin, /// (MetaArithmetic, uint a, uint b) -> uint
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UMax, /// (MetaArithmetic, uint a, uint b) -> uint
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UCastFloat, /// (MetaArithmetic, float a) -> uint
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UCastSigned, /// (MetaArithmetic, int a) -> uint
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ULogicalShiftLeft, /// (MetaArithmetic, uint a, uint b) -> uint
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ULogicalShiftRight, /// (MetaArithmetic, uint a, uint b) -> uint
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UArithmeticShiftRight, /// (MetaArithmetic, uint a, uint b) -> uint
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UBitwiseAnd, /// (MetaArithmetic, uint a, uint b) -> uint
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UBitwiseOr, /// (MetaArithmetic, uint a, uint b) -> uint
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UBitwiseXor, /// (MetaArithmetic, uint a, uint b) -> uint
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UBitwiseNot, /// (MetaArithmetic, uint a) -> uint
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UBitfieldInsert, /// (MetaArithmetic, uint base, uint insert, int offset, int bits) -> uint
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UBitfieldExtract, /// (MetaArithmetic, uint value, int offset, int offset) -> uint
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UBitCount, /// (MetaArithmetic, uint) -> uint
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HAdd, /// (MetaArithmetic, f16vec2 a, f16vec2 b) -> f16vec2
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HMul, /// (MetaArithmetic, f16vec2 a, f16vec2 b) -> f16vec2
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HFma, /// (MetaArithmetic, f16vec2 a, f16vec2 b, f16vec2 c) -> f16vec2
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HAbsolute, /// (f16vec2 a) -> f16vec2
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HNegate, /// (f16vec2 a, bool first, bool second) -> f16vec2
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HClamp, /// (f16vec2 src, float min, float max) -> f16vec2
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HUnpack, /// (Tegra::Shader::HalfType, T value) -> f16vec2
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HMergeF32, /// (f16vec2 src) -> float
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HMergeH0, /// (f16vec2 dest, f16vec2 src) -> f16vec2
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HMergeH1, /// (f16vec2 dest, f16vec2 src) -> f16vec2
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HPack2, /// (float a, float b) -> f16vec2
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LogicalAssign, /// (bool& dst, bool src) -> void
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LogicalAnd, /// (bool a, bool b) -> bool
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LogicalOr, /// (bool a, bool b) -> bool
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LogicalXor, /// (bool a, bool b) -> bool
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LogicalNegate, /// (bool a) -> bool
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LogicalPick2, /// (bool2 pair, uint index) -> bool
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LogicalAll2, /// (bool2 a) -> bool
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LogicalAny2, /// (bool2 a) -> bool
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LogicalFLessThan, /// (float a, float b) -> bool
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LogicalFEqual, /// (float a, float b) -> bool
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LogicalFLessEqual, /// (float a, float b) -> bool
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LogicalFGreaterThan, /// (float a, float b) -> bool
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LogicalFNotEqual, /// (float a, float b) -> bool
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LogicalFGreaterEqual, /// (float a, float b) -> bool
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LogicalFIsNan, /// (float a) -> bool
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LogicalILessThan, /// (int a, int b) -> bool
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LogicalIEqual, /// (int a, int b) -> bool
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LogicalILessEqual, /// (int a, int b) -> bool
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LogicalIGreaterThan, /// (int a, int b) -> bool
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LogicalINotEqual, /// (int a, int b) -> bool
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LogicalIGreaterEqual, /// (int a, int b) -> bool
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LogicalULessThan, /// (uint a, uint b) -> bool
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LogicalUEqual, /// (uint a, uint b) -> bool
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LogicalULessEqual, /// (uint a, uint b) -> bool
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LogicalUGreaterThan, /// (uint a, uint b) -> bool
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LogicalUNotEqual, /// (uint a, uint b) -> bool
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LogicalUGreaterEqual, /// (uint a, uint b) -> bool
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Logical2HLessThan, /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool2
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Logical2HEqual, /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool2
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Logical2HLessEqual, /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool2
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Logical2HGreaterThan, /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool2
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Logical2HNotEqual, /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool2
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Logical2HGreaterEqual, /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool2
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Logical2HLessThanWithNan, /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool2
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Logical2HEqualWithNan, /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool2
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Logical2HLessEqualWithNan, /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool2
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Logical2HGreaterThanWithNan, /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool2
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Logical2HNotEqualWithNan, /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool2
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Logical2HGreaterEqualWithNan, /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool2
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Texture, /// (MetaTexture, float[N] coords) -> float4
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TextureLod, /// (MetaTexture, float[N] coords) -> float4
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TextureGather, /// (MetaTexture, float[N] coords) -> float4
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TextureQueryDimensions, /// (MetaTexture, float a) -> float4
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TextureQueryLod, /// (MetaTexture, float[N] coords) -> float4
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TexelFetch, /// (MetaTexture, int[N], int) -> float4
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ImageStore, /// (MetaImage, float[N] coords) -> void
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Branch, /// (uint branch_target) -> void
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PushFlowStack, /// (uint branch_target) -> void
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PopFlowStack, /// () -> void
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Exit, /// () -> void
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Discard, /// () -> void
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EmitVertex, /// () -> void
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EndPrimitive, /// () -> void
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YNegate, /// () -> float
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LocalInvocationIdX, /// () -> uint
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LocalInvocationIdY, /// () -> uint
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LocalInvocationIdZ, /// () -> uint
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WorkGroupIdX, /// () -> uint
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WorkGroupIdY, /// () -> uint
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WorkGroupIdZ, /// () -> uint
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Amount,
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};
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enum class InternalFlag {
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Zero = 0,
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Sign = 1,
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Carry = 2,
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Overflow = 3,
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Amount = 4,
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};
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enum class MetaStackClass {
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Ssy,
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Pbk,
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};
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class OperationNode;
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class ConditionalNode;
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class GprNode;
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class ImmediateNode;
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class InternalFlagNode;
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class PredicateNode;
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class AbufNode;
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class CbufNode;
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class LmemNode;
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class GmemNode;
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class CommentNode;
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using NodeData =
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std::variant<OperationNode, ConditionalNode, GprNode, ImmediateNode, InternalFlagNode,
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PredicateNode, AbufNode, CbufNode, LmemNode, GmemNode, CommentNode>;
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using Node = std::shared_ptr<NodeData>;
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using Node4 = std::array<Node, 4>;
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using NodeBlock = std::vector<Node>;
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class Sampler {
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public:
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/// This constructor is for bound samplers
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explicit Sampler(std::size_t offset, std::size_t index, Tegra::Shader::TextureType type,
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bool is_array, bool is_shadow)
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: offset{offset}, index{index}, type{type}, is_array{is_array}, is_shadow{is_shadow},
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is_bindless{false} {}
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/// This constructor is for bindless samplers
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explicit Sampler(u32 cbuf_index, u32 cbuf_offset, std::size_t index,
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Tegra::Shader::TextureType type, bool is_array, bool is_shadow)
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: offset{(static_cast<u64>(cbuf_index) << 32) | cbuf_offset}, index{index}, type{type},
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is_array{is_array}, is_shadow{is_shadow}, is_bindless{true} {}
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/// This constructor is for serialization/deserialization
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explicit Sampler(std::size_t offset, std::size_t index, Tegra::Shader::TextureType type,
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bool is_array, bool is_shadow, bool is_bindless)
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: offset{offset}, index{index}, type{type}, is_array{is_array}, is_shadow{is_shadow},
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is_bindless{is_bindless} {}
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std::size_t GetOffset() const {
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return offset;
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}
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std::size_t GetIndex() const {
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return index;
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}
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Tegra::Shader::TextureType GetType() const {
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return type;
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}
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bool IsArray() const {
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return is_array;
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}
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bool IsShadow() const {
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return is_shadow;
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}
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bool IsBindless() const {
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return is_bindless;
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}
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std::pair<u32, u32> GetBindlessCBuf() const {
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return {static_cast<u32>(offset >> 32), static_cast<u32>(offset)};
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}
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bool operator<(const Sampler& rhs) const {
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return std::tie(index, offset, type, is_array, is_shadow, is_bindless) <
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std::tie(rhs.index, rhs.offset, rhs.type, rhs.is_array, rhs.is_shadow,
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rhs.is_bindless);
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}
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private:
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/// Offset in TSC memory from which to read the sampler object, as specified by the sampling
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/// instruction.
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std::size_t offset{};
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std::size_t index{}; ///< Value used to index into the generated GLSL sampler array.
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Tegra::Shader::TextureType type{}; ///< The type used to sample this texture (Texture2D, etc)
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bool is_array{}; ///< Whether the texture is being sampled as an array texture or not.
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bool is_shadow{}; ///< Whether the texture is being sampled as a depth texture or not.
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bool is_bindless{}; ///< Whether this sampler belongs to a bindless texture or not.
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};
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class Image {
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public:
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explicit Image(std::size_t offset, std::size_t index, Tegra::Shader::ImageType type)
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: offset{offset}, index{index}, type{type}, is_bindless{false} {}
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explicit Image(u32 cbuf_index, u32 cbuf_offset, std::size_t index,
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Tegra::Shader::ImageType type)
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: offset{(static_cast<u64>(cbuf_index) << 32) | cbuf_offset}, index{index}, type{type},
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is_bindless{true} {}
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explicit Image(std::size_t offset, std::size_t index, Tegra::Shader::ImageType type,
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bool is_bindless)
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: offset{offset}, index{index}, type{type}, is_bindless{is_bindless} {}
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std::size_t GetOffset() const {
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return offset;
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}
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std::size_t GetIndex() const {
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return index;
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}
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Tegra::Shader::ImageType GetType() const {
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return type;
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}
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bool IsBindless() const {
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return is_bindless;
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}
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bool operator<(const Image& rhs) const {
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return std::tie(offset, index, type, is_bindless) <
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std::tie(rhs.offset, rhs.index, rhs.type, rhs.is_bindless);
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}
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private:
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std::size_t offset{};
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std::size_t index{};
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Tegra::Shader::ImageType type{};
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bool is_bindless{};
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};
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struct GlobalMemoryBase {
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u32 cbuf_index{};
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u32 cbuf_offset{};
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bool operator<(const GlobalMemoryBase& rhs) const {
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return std::tie(cbuf_index, cbuf_offset) < std::tie(rhs.cbuf_index, rhs.cbuf_offset);
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}
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};
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/// Parameters describing an arithmetic operation
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struct MetaArithmetic {
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bool precise{}; ///< Whether the operation can be constraint or not
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};
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/// Parameters describing a texture sampler
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struct MetaTexture {
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const Sampler& sampler;
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Node array;
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Node depth_compare;
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std::vector<Node> aoffi;
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Node bias;
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Node lod;
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Node component{};
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u32 element{};
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};
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struct MetaImage {
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const Image& image;
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std::vector<Node> values;
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};
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/// Parameters that modify an operation but are not part of any particular operand
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using Meta =
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std::variant<MetaArithmetic, MetaTexture, MetaImage, MetaStackClass, Tegra::Shader::HalfType>;
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/// Holds any kind of operation that can be done in the IR
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class OperationNode final {
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public:
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explicit OperationNode(OperationCode code) : OperationNode(code, Meta{}) {}
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explicit OperationNode(OperationCode code, Meta meta)
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: OperationNode(code, meta, std::vector<Node>{}) {}
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explicit OperationNode(OperationCode code, std::vector<Node> operands)
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: OperationNode(code, Meta{}, std::move(operands)) {}
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explicit OperationNode(OperationCode code, Meta meta, std::vector<Node> operands)
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: code{code}, meta{std::move(meta)}, operands{std::move(operands)} {}
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template <typename... Args>
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explicit OperationNode(OperationCode code, Meta meta, Args&&... operands)
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: code{code}, meta{std::move(meta)}, operands{operands...} {}
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OperationCode GetCode() const {
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return code;
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}
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const Meta& GetMeta() const {
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return meta;
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}
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std::size_t GetOperandsCount() const {
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return operands.size();
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}
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const Node& operator[](std::size_t operand_index) const {
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return operands.at(operand_index);
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}
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private:
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OperationCode code{};
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Meta meta{};
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std::vector<Node> operands;
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};
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/// Encloses inside any kind of node that returns a boolean conditionally-executed code
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class ConditionalNode final {
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public:
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explicit ConditionalNode(Node condition, std::vector<Node>&& code)
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: condition{std::move(condition)}, code{std::move(code)} {}
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const Node& GetCondition() const {
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return condition;
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}
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const std::vector<Node>& GetCode() const {
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return code;
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}
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private:
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Node condition; ///< Condition to be satisfied
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std::vector<Node> code; ///< Code to execute
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};
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/// A general purpose register
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class GprNode final {
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public:
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explicit constexpr GprNode(Tegra::Shader::Register index) : index{index} {}
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u32 GetIndex() const {
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return static_cast<u32>(index);
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}
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private:
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Tegra::Shader::Register index{};
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};
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/// A 32-bits value that represents an immediate value
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class ImmediateNode final {
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public:
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explicit constexpr ImmediateNode(u32 value) : value{value} {}
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u32 GetValue() const {
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return value;
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}
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private:
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u32 value{};
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};
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/// One of Maxwell's internal flags
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class InternalFlagNode final {
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public:
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explicit constexpr InternalFlagNode(InternalFlag flag) : flag{flag} {}
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InternalFlag GetFlag() const {
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return flag;
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}
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private:
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InternalFlag flag{};
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};
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/// A predicate register, it can be negated without additional nodes
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class PredicateNode final {
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public:
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explicit constexpr PredicateNode(Tegra::Shader::Pred index, bool negated)
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: index{index}, negated{negated} {}
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Tegra::Shader::Pred GetIndex() const {
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return index;
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}
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bool IsNegated() const {
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return negated;
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}
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private:
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Tegra::Shader::Pred index{};
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bool negated{};
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};
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/// Attribute buffer memory (known as attributes or varyings in GLSL terms)
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class AbufNode final {
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public:
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// Initialize for standard attributes (index is explicit).
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explicit AbufNode(Tegra::Shader::Attribute::Index index, u32 element, Node buffer = {})
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: buffer{std::move(buffer)}, index{index}, element{element} {}
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// Initialize for physical attributes (index is a variable value).
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explicit AbufNode(Node physical_address, Node buffer = {})
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: physical_address{std::move(physical_address)}, buffer{std::move(buffer)} {}
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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
|