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author | James Rowe <jroweboy@gmail.com> | 2018-01-12 04:07:44 +0100 |
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committer | James Rowe <jroweboy@gmail.com> | 2018-01-13 03:11:03 +0100 |
commit | 1d28b2e142f845773e2b90e267d9632e196a99b9 (patch) | |
tree | 027a3586a0fc927731afb3711c328c6dafc8551f /src/video_core/shader/shader_jit_x64_compiler.h | |
parent | Massive removal of unused modules (diff) | |
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Diffstat (limited to 'src/video_core/shader/shader_jit_x64_compiler.h')
-rw-r--r-- | src/video_core/shader/shader_jit_x64_compiler.h | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/src/video_core/shader/shader_jit_x64_compiler.h b/src/video_core/shader/shader_jit_x64_compiler.h deleted file mode 100644 index 4aee56b1d..000000000 --- a/src/video_core/shader/shader_jit_x64_compiler.h +++ /dev/null @@ -1,127 +0,0 @@ -// Copyright 2015 Citra Emulator Project -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#pragma once - -#include <array> -#include <cstddef> -#include <utility> -#include <vector> -#include <nihstro/shader_bytecode.h> -#include <xbyak.h> -#include "common/bit_set.h" -#include "common/common_types.h" -#include "video_core/shader/shader.h" - -using nihstro::Instruction; -using nihstro::OpCode; -using nihstro::SwizzlePattern; - -namespace Pica { - -namespace Shader { - -/// Memory allocated for each compiled shader -constexpr size_t MAX_SHADER_SIZE = MAX_PROGRAM_CODE_LENGTH * 64; - -/** - * This class implements the shader JIT compiler. It recompiles a Pica shader program into x86_64 - * code that can be executed on the host machine directly. - */ -class JitShader : public Xbyak::CodeGenerator { -public: - JitShader(); - - void Run(const ShaderSetup& setup, UnitState& state, unsigned offset) const { - program(&setup, &state, instruction_labels[offset].getAddress()); - } - - void Compile(const std::array<u32, MAX_PROGRAM_CODE_LENGTH>* program_code, - const std::array<u32, MAX_SWIZZLE_DATA_LENGTH>* swizzle_data); - - void Compile_ADD(Instruction instr); - void Compile_DP3(Instruction instr); - void Compile_DP4(Instruction instr); - void Compile_DPH(Instruction instr); - void Compile_EX2(Instruction instr); - void Compile_LG2(Instruction instr); - void Compile_MUL(Instruction instr); - void Compile_SGE(Instruction instr); - void Compile_SLT(Instruction instr); - void Compile_FLR(Instruction instr); - void Compile_MAX(Instruction instr); - void Compile_MIN(Instruction instr); - void Compile_RCP(Instruction instr); - void Compile_RSQ(Instruction instr); - void Compile_MOVA(Instruction instr); - void Compile_MOV(Instruction instr); - void Compile_NOP(Instruction instr); - void Compile_END(Instruction instr); - void Compile_CALL(Instruction instr); - void Compile_CALLC(Instruction instr); - void Compile_CALLU(Instruction instr); - void Compile_IF(Instruction instr); - void Compile_LOOP(Instruction instr); - void Compile_JMP(Instruction instr); - void Compile_CMP(Instruction instr); - void Compile_MAD(Instruction instr); - void Compile_EMIT(Instruction instr); - void Compile_SETE(Instruction instr); - -private: - void Compile_Block(unsigned end); - void Compile_NextInstr(); - - void Compile_SwizzleSrc(Instruction instr, unsigned src_num, SourceRegister src_reg, - Xbyak::Xmm dest); - void Compile_DestEnable(Instruction instr, Xbyak::Xmm dest); - - /** - * Compiles a `MUL src1, src2` operation, properly handling the PICA semantics when multiplying - * zero by inf. Clobbers `src2` and `scratch`. - */ - void Compile_SanitizedMul(Xbyak::Xmm src1, Xbyak::Xmm src2, Xbyak::Xmm scratch); - - void Compile_EvaluateCondition(Instruction instr); - void Compile_UniformCondition(Instruction instr); - - /** - * Emits the code to conditionally return from a subroutine envoked by the `CALL` instruction. - */ - void Compile_Return(); - - BitSet32 PersistentCallerSavedRegs(); - - /** - * Assertion evaluated at compile-time, but only triggered if executed at runtime. - * @param condition Condition to be evaluated. - * @param msg Message to be logged if the assertion fails. - */ - void Compile_Assert(bool condition, const char* msg); - - /** - * Analyzes the entire shader program for `CALL` instructions before emitting any code, - * identifying the locations where a return needs to be inserted. - */ - void FindReturnOffsets(); - - const std::array<u32, MAX_PROGRAM_CODE_LENGTH>* program_code = nullptr; - const std::array<u32, MAX_SWIZZLE_DATA_LENGTH>* swizzle_data = nullptr; - - /// Mapping of Pica VS instructions to pointers in the emitted code - std::array<Xbyak::Label, MAX_PROGRAM_CODE_LENGTH> instruction_labels; - - /// Offsets in code where a return needs to be inserted - std::vector<unsigned> return_offsets; - - unsigned program_counter = 0; ///< Offset of the next instruction to decode - bool looping = false; ///< True if compiling a loop, used to check for nested loops - - using CompiledShader = void(const void* setup, void* state, const u8* start_addr); - CompiledShader* program = nullptr; -}; - -} // Shader - -} // Pica |