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Diffstat (limited to 'src/video_core/shader/shader_ir.h')
| -rw-r--r-- | src/video_core/shader/shader_ir.h | 479 |
1 files changed, 0 insertions, 479 deletions
diff --git a/src/video_core/shader/shader_ir.h b/src/video_core/shader/shader_ir.h deleted file mode 100644 index 1cd7c14d7..000000000 --- a/src/video_core/shader/shader_ir.h +++ /dev/null @@ -1,479 +0,0 @@ -// Copyright 2018 yuzu Emulator Project -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#pragma once - -#include <array> -#include <list> -#include <map> -#include <optional> -#include <set> -#include <tuple> -#include <vector> - -#include "common/common_types.h" -#include "video_core/engines/maxwell_3d.h" -#include "video_core/engines/shader_bytecode.h" -#include "video_core/engines/shader_header.h" -#include "video_core/shader/ast.h" -#include "video_core/shader/compiler_settings.h" -#include "video_core/shader/memory_util.h" -#include "video_core/shader/node.h" -#include "video_core/shader/registry.h" - -namespace VideoCommon::Shader { - -struct ShaderBlock; - -constexpr u32 MAX_PROGRAM_LENGTH = 0x1000; - -struct ConstBuffer { - constexpr explicit ConstBuffer(u32 max_offset_, bool is_indirect_) - : max_offset{max_offset_}, is_indirect{is_indirect_} {} - - constexpr ConstBuffer() = default; - - void MarkAsUsed(u64 offset) { - max_offset = std::max(max_offset, static_cast<u32>(offset)); - } - - void MarkAsUsedIndirect() { - is_indirect = true; - } - - bool IsIndirect() const { - return is_indirect; - } - - u32 GetSize() const { - return max_offset + static_cast<u32>(sizeof(float)); - } - - u32 GetMaxOffset() const { - return max_offset; - } - -private: - u32 max_offset = 0; - bool is_indirect = false; -}; - -struct GlobalMemoryUsage { - bool is_read{}; - bool is_written{}; -}; - -class ShaderIR final { -public: - explicit ShaderIR(const ProgramCode& program_code_, u32 main_offset_, - CompilerSettings settings_, Registry& registry_); - ~ShaderIR(); - - const std::map<u32, NodeBlock>& GetBasicBlocks() const { - return basic_blocks; - } - - const std::set<u32>& GetRegisters() const { - return used_registers; - } - - const std::set<Tegra::Shader::Pred>& GetPredicates() const { - return used_predicates; - } - - const std::set<Tegra::Shader::Attribute::Index>& GetInputAttributes() const { - return used_input_attributes; - } - - const std::set<Tegra::Shader::Attribute::Index>& GetOutputAttributes() const { - return used_output_attributes; - } - - const std::map<u32, ConstBuffer>& GetConstantBuffers() const { - return used_cbufs; - } - - const std::list<SamplerEntry>& GetSamplers() const { - return used_samplers; - } - - const std::list<ImageEntry>& GetImages() const { - return used_images; - } - - const std::array<bool, Tegra::Engines::Maxwell3D::Regs::NumClipDistances>& GetClipDistances() - const { - return used_clip_distances; - } - - const std::map<GlobalMemoryBase, GlobalMemoryUsage>& GetGlobalMemory() const { - return used_global_memory; - } - - std::size_t GetLength() const { - return static_cast<std::size_t>(coverage_end * sizeof(u64)); - } - - bool UsesLayer() const { - return uses_layer; - } - - bool UsesViewportIndex() const { - return uses_viewport_index; - } - - bool UsesPointSize() const { - return uses_point_size; - } - - bool UsesInstanceId() const { - return uses_instance_id; - } - - bool UsesVertexId() const { - return uses_vertex_id; - } - - bool UsesLegacyVaryings() const { - return uses_legacy_varyings; - } - - bool UsesYNegate() const { - return uses_y_negate; - } - - bool UsesWarps() const { - return uses_warps; - } - - bool HasPhysicalAttributes() const { - return uses_physical_attributes; - } - - const Tegra::Shader::Header& GetHeader() const { - return header; - } - - bool IsFlowStackDisabled() const { - return disable_flow_stack; - } - - bool IsDecompiled() const { - return decompiled; - } - - const ASTManager& GetASTManager() const { - return program_manager; - } - - ASTNode GetASTProgram() const { - return program_manager.GetProgram(); - } - - u32 GetASTNumVariables() const { - return program_manager.GetVariables(); - } - - u32 ConvertAddressToNvidiaSpace(u32 address) const { - return (address - main_offset) * static_cast<u32>(sizeof(Tegra::Shader::Instruction)); - } - - /// Returns a condition code evaluated from internal flags - Node GetConditionCode(Tegra::Shader::ConditionCode cc) const; - - const Node& GetAmendNode(std::size_t index) const { - return amend_code[index]; - } - - u32 GetNumCustomVariables() const { - return num_custom_variables; - } - -private: - friend class ASTDecoder; - - struct SamplerInfo { - std::optional<Tegra::Shader::TextureType> type; - std::optional<bool> is_array; - std::optional<bool> is_shadow; - std::optional<bool> is_buffer; - - constexpr bool IsComplete() const noexcept { - return type && is_array && is_shadow && is_buffer; - } - }; - - void Decode(); - void PostDecode(); - - NodeBlock DecodeRange(u32 begin, u32 end); - void DecodeRangeInner(NodeBlock& bb, u32 begin, u32 end); - void InsertControlFlow(NodeBlock& bb, const ShaderBlock& block); - - /** - * Decodes a single instruction from Tegra to IR. - * @param bb Basic block where the nodes will be written to. - * @param pc Program counter. Offset to decode. - * @return Next address to decode. - */ - u32 DecodeInstr(NodeBlock& bb, u32 pc); - - u32 DecodeArithmetic(NodeBlock& bb, u32 pc); - u32 DecodeArithmeticImmediate(NodeBlock& bb, u32 pc); - u32 DecodeBfe(NodeBlock& bb, u32 pc); - u32 DecodeBfi(NodeBlock& bb, u32 pc); - u32 DecodeShift(NodeBlock& bb, u32 pc); - u32 DecodeArithmeticInteger(NodeBlock& bb, u32 pc); - u32 DecodeArithmeticIntegerImmediate(NodeBlock& bb, u32 pc); - u32 DecodeArithmeticHalf(NodeBlock& bb, u32 pc); - u32 DecodeArithmeticHalfImmediate(NodeBlock& bb, u32 pc); - u32 DecodeFfma(NodeBlock& bb, u32 pc); - u32 DecodeHfma2(NodeBlock& bb, u32 pc); - u32 DecodeConversion(NodeBlock& bb, u32 pc); - u32 DecodeWarp(NodeBlock& bb, u32 pc); - u32 DecodeMemory(NodeBlock& bb, u32 pc); - u32 DecodeTexture(NodeBlock& bb, u32 pc); - u32 DecodeImage(NodeBlock& bb, u32 pc); - u32 DecodeFloatSetPredicate(NodeBlock& bb, u32 pc); - u32 DecodeIntegerSetPredicate(NodeBlock& bb, u32 pc); - u32 DecodeHalfSetPredicate(NodeBlock& bb, u32 pc); - u32 DecodePredicateSetRegister(NodeBlock& bb, u32 pc); - u32 DecodePredicateSetPredicate(NodeBlock& bb, u32 pc); - u32 DecodeRegisterSetPredicate(NodeBlock& bb, u32 pc); - u32 DecodeFloatSet(NodeBlock& bb, u32 pc); - u32 DecodeIntegerSet(NodeBlock& bb, u32 pc); - u32 DecodeHalfSet(NodeBlock& bb, u32 pc); - u32 DecodeVideo(NodeBlock& bb, u32 pc); - u32 DecodeXmad(NodeBlock& bb, u32 pc); - u32 DecodeOther(NodeBlock& bb, u32 pc); - - /// Generates a node for a passed register. - Node GetRegister(Tegra::Shader::Register reg); - /// Generates a node for a custom variable - Node GetCustomVariable(u32 id); - /// Generates a node representing a 19-bit immediate value - Node GetImmediate19(Tegra::Shader::Instruction instr); - /// Generates a node representing a 32-bit immediate value - Node GetImmediate32(Tegra::Shader::Instruction instr); - /// Generates a node representing a constant buffer - Node GetConstBuffer(u64 index, u64 offset); - /// Generates a node representing a constant buffer with a variadic offset - Node GetConstBufferIndirect(u64 index, u64 offset, Node node); - /// Generates a node for a passed predicate. It can be optionally negated - Node GetPredicate(u64 pred, bool negated = false); - /// Generates a predicate node for an immediate true or false value - Node GetPredicate(bool immediate); - /// Generates a node representing an input attribute. Keeps track of used attributes. - Node GetInputAttribute(Tegra::Shader::Attribute::Index index, u64 element, Node buffer = {}); - /// Generates a node representing a physical input attribute. - Node GetPhysicalInputAttribute(Tegra::Shader::Register physical_address, Node buffer = {}); - /// Generates a node representing an output attribute. Keeps track of used attributes. - Node GetOutputAttribute(Tegra::Shader::Attribute::Index index, u64 element, Node buffer); - /// Generates a node representing an internal flag - Node GetInternalFlag(InternalFlag flag, bool negated = false) const; - /// Generates a node representing a local memory address - Node GetLocalMemory(Node address); - /// Generates a node representing a shared memory address - Node GetSharedMemory(Node address); - /// Generates a temporary, internally it uses a post-RZ register - Node GetTemporary(u32 id); - - /// Sets a register. src value must be a number-evaluated node. - void SetRegister(NodeBlock& bb, Tegra::Shader::Register dest, Node src); - /// Sets a predicate. src value must be a bool-evaluated node - void SetPredicate(NodeBlock& bb, u64 dest, Node src); - /// Sets an internal flag. src value must be a bool-evaluated node - void SetInternalFlag(NodeBlock& bb, InternalFlag flag, Node value); - /// Sets a local memory address with a value. - void SetLocalMemory(NodeBlock& bb, Node address, Node value); - /// Sets a shared memory address with a value. - void SetSharedMemory(NodeBlock& bb, Node address, Node value); - /// Sets a temporary. Internally it uses a post-RZ register - void SetTemporary(NodeBlock& bb, u32 id, Node value); - - /// Sets internal flags from a float - void SetInternalFlagsFromFloat(NodeBlock& bb, Node value, bool sets_cc = true); - /// Sets internal flags from an integer - void SetInternalFlagsFromInteger(NodeBlock& bb, Node value, bool sets_cc = true); - - /// Conditionally absolute/negated float. Absolute is applied first - Node GetOperandAbsNegFloat(Node value, bool absolute, bool negate); - /// Conditionally saturates a float - Node GetSaturatedFloat(Node value, bool saturate = true); - - /// Converts an integer to different sizes. - Node ConvertIntegerSize(Node value, Tegra::Shader::Register::Size size, bool is_signed); - /// Conditionally absolute/negated integer. Absolute is applied first - Node GetOperandAbsNegInteger(Node value, bool absolute, bool negate, bool is_signed); - - /// Unpacks a half immediate from an instruction - Node UnpackHalfImmediate(Tegra::Shader::Instruction instr, bool has_negation); - /// Unpacks a binary value into a half float pair with a type format - Node UnpackHalfFloat(Node value, Tegra::Shader::HalfType type); - /// Merges a half pair into another value - Node HalfMerge(Node dest, Node src, Tegra::Shader::HalfMerge merge); - /// Conditionally absolute/negated half float pair. Absolute is applied first - Node GetOperandAbsNegHalf(Node value, bool absolute, bool negate); - /// Conditionally saturates a half float pair - Node GetSaturatedHalfFloat(Node value, bool saturate = true); - - /// Get image component value by type and size - std::pair<Node, bool> GetComponentValue(Tegra::Texture::ComponentType component_type, - u32 component_size, Node original_value); - - /// Returns a predicate comparing two floats - Node GetPredicateComparisonFloat(Tegra::Shader::PredCondition condition, Node op_a, Node op_b); - /// Returns a predicate comparing two integers - Node GetPredicateComparisonInteger(Tegra::Shader::PredCondition condition, bool is_signed, - Node op_a, Node op_b); - /// Returns a predicate comparing two half floats. meta consumes how both pairs will be compared - Node GetPredicateComparisonHalf(Tegra::Shader::PredCondition condition, Node op_a, Node op_b); - - /// Returns a predicate combiner operation - OperationCode GetPredicateCombiner(Tegra::Shader::PredOperation operation); - - /// Queries the missing sampler info from the execution context. - SamplerInfo GetSamplerInfo(SamplerInfo info, - std::optional<Tegra::Engines::SamplerDescriptor> sampler); - - /// Accesses a texture sampler. - std::optional<SamplerEntry> GetSampler(Tegra::Shader::Sampler sampler, SamplerInfo info); - - /// Accesses a texture sampler for a bindless texture. - std::optional<SamplerEntry> GetBindlessSampler(Tegra::Shader::Register reg, SamplerInfo info, - Node& index_var); - - /// Accesses an image. - ImageEntry& GetImage(Tegra::Shader::Image image, Tegra::Shader::ImageType type); - - /// Access a bindless image sampler. - ImageEntry& GetBindlessImage(Tegra::Shader::Register reg, Tegra::Shader::ImageType type); - - /// Extracts a sequence of bits from a node - Node BitfieldExtract(Node value, u32 offset, u32 bits); - - /// Inserts a sequence of bits from a node - Node BitfieldInsert(Node base, Node insert, u32 offset, u32 bits); - - /// Marks the usage of a input or output attribute. - void MarkAttributeUsage(Tegra::Shader::Attribute::Index index, u64 element); - - /// Decodes VMNMX instruction and inserts its code into the passed basic block. - void DecodeVMNMX(NodeBlock& bb, Tegra::Shader::Instruction instr); - - void WriteTexInstructionFloat(NodeBlock& bb, Tegra::Shader::Instruction instr, - const Node4& components); - - void WriteTexsInstructionFloat(NodeBlock& bb, Tegra::Shader::Instruction instr, - const Node4& components, bool ignore_mask = false); - void WriteTexsInstructionHalfFloat(NodeBlock& bb, Tegra::Shader::Instruction instr, - const Node4& components, bool ignore_mask = false); - - Node4 GetTexCode(Tegra::Shader::Instruction instr, Tegra::Shader::TextureType texture_type, - Tegra::Shader::TextureProcessMode process_mode, bool depth_compare, - bool is_array, bool is_aoffi, - std::optional<Tegra::Shader::Register> bindless_reg); - - Node4 GetTexsCode(Tegra::Shader::Instruction instr, Tegra::Shader::TextureType texture_type, - Tegra::Shader::TextureProcessMode process_mode, bool depth_compare, - bool is_array); - - Node4 GetTld4Code(Tegra::Shader::Instruction instr, Tegra::Shader::TextureType texture_type, - bool depth_compare, bool is_array, bool is_aoffi, bool is_ptp, - bool is_bindless); - - Node4 GetTldCode(Tegra::Shader::Instruction instr); - - Node4 GetTldsCode(Tegra::Shader::Instruction instr, Tegra::Shader::TextureType texture_type, - bool is_array); - - std::tuple<std::size_t, std::size_t> ValidateAndGetCoordinateElement( - Tegra::Shader::TextureType texture_type, bool depth_compare, bool is_array, - bool lod_bias_enabled, std::size_t max_coords, std::size_t max_inputs); - - std::vector<Node> GetAoffiCoordinates(Node aoffi_reg, std::size_t coord_count, bool is_tld4); - - std::vector<Node> GetPtpCoordinates(std::array<Node, 2> ptp_regs); - - Node4 GetTextureCode(Tegra::Shader::Instruction instr, Tegra::Shader::TextureType texture_type, - Tegra::Shader::TextureProcessMode process_mode, std::vector<Node> coords, - Node array, Node depth_compare, u32 bias_offset, std::vector<Node> aoffi, - std::optional<Tegra::Shader::Register> bindless_reg); - - Node GetVideoOperand(Node op, bool is_chunk, bool is_signed, Tegra::Shader::VideoType type, - u64 byte_height); - - void WriteLogicOperation(NodeBlock& bb, Tegra::Shader::Register dest, - Tegra::Shader::LogicOperation logic_op, Node op_a, Node op_b, - Tegra::Shader::PredicateResultMode predicate_mode, - Tegra::Shader::Pred predicate, bool sets_cc); - void WriteLop3Instruction(NodeBlock& bb, Tegra::Shader::Register dest, Node op_a, Node op_b, - Node op_c, Node imm_lut, bool sets_cc); - - std::tuple<Node, u32, u32> TrackCbuf(Node tracked, const NodeBlock& code, s64 cursor) const; - - std::pair<Node, TrackSampler> TrackBindlessSampler(Node tracked, const NodeBlock& code, - s64 cursor); - - std::pair<Node, TrackSampler> HandleBindlessIndirectRead(const CbufNode& cbuf, - const OperationNode& operation, - Node gpr, Node base_offset, - Node tracked, const NodeBlock& code, - s64 cursor); - - std::optional<u32> TrackImmediate(Node tracked, const NodeBlock& code, s64 cursor) const; - - std::pair<Node, s64> TrackRegister(const GprNode* tracked, const NodeBlock& code, - s64 cursor) const; - - std::tuple<Node, Node, GlobalMemoryBase> TrackGlobalMemory(NodeBlock& bb, - Tegra::Shader::Instruction instr, - bool is_read, bool is_write); - - /// Register new amending code and obtain the reference id. - std::size_t DeclareAmend(Node new_amend); - - u32 NewCustomVariable(); - - const ProgramCode& program_code; - const u32 main_offset; - const CompilerSettings settings; - Registry& registry; - - bool decompiled{}; - bool disable_flow_stack{}; - - u32 coverage_begin{}; - u32 coverage_end{}; - - std::map<u32, NodeBlock> basic_blocks; - NodeBlock global_code; - ASTManager program_manager{true, true}; - std::vector<Node> amend_code; - u32 num_custom_variables{}; - - std::set<u32> used_registers; - std::set<Tegra::Shader::Pred> used_predicates; - std::set<Tegra::Shader::Attribute::Index> used_input_attributes; - std::set<Tegra::Shader::Attribute::Index> used_output_attributes; - std::map<u32, ConstBuffer> used_cbufs; - std::list<SamplerEntry> used_samplers; - std::list<ImageEntry> used_images; - std::array<bool, Tegra::Engines::Maxwell3D::Regs::NumClipDistances> used_clip_distances{}; - std::map<GlobalMemoryBase, GlobalMemoryUsage> used_global_memory; - bool uses_layer{}; - bool uses_viewport_index{}; - bool uses_point_size{}; - bool uses_physical_attributes{}; // Shader uses AL2P or physical attribute read/writes - bool uses_instance_id{}; - bool uses_vertex_id{}; - bool uses_legacy_varyings{}; - bool uses_y_negate{}; - bool uses_warps{}; - bool uses_indexed_samplers{}; - - Tegra::Shader::Header header; -}; - -} // namespace VideoCommon::Shader |