From bd7e691f78d916ed6ae5396b2d646d9b3a053dd7 Mon Sep 17 00:00:00 2001 From: bunnei Date: Wed, 12 Aug 2015 00:00:44 -0400 Subject: x64: Refactor to remove fake interfaces and general cleanups. --- src/video_core/shader/shader_jit_x64.h | 79 ++++++++++++++++++++++++++++++++++ 1 file changed, 79 insertions(+) create mode 100644 src/video_core/shader/shader_jit_x64.h (limited to 'src/video_core/shader/shader_jit_x64.h') diff --git a/src/video_core/shader/shader_jit_x64.h b/src/video_core/shader/shader_jit_x64.h new file mode 100644 index 000000000..719a24210 --- /dev/null +++ b/src/video_core/shader/shader_jit_x64.h @@ -0,0 +1,79 @@ +// Copyright 2015 Citra Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include + +#include "common/x64/emitter.h" + +#include "video_core/pica.h" + +#include "shader.h" + +using nihstro::Instruction; +using nihstro::OpCode; +using nihstro::SwizzlePattern; + +namespace Pica { + +namespace Shader { + +using CompiledShader = void(void* state); + +/** + * 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 JitCompiler : public Gen::XCodeBlock { +public: + JitCompiler(); + + CompiledShader* Compile(); + + void Clear(); + + void Compile_ADD(Instruction instr); + void Compile_DP3(Instruction instr); + void Compile_DP4(Instruction instr); + void Compile_MUL(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_SLTI(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); + +private: + void Compile_Block(unsigned stop); + void Compile_NextInstr(unsigned* offset); + + void Compile_SwizzleSrc(Instruction instr, unsigned src_num, SourceRegister src_reg, Gen::X64Reg dest); + void Compile_DestEnable(Instruction instr, Gen::X64Reg dest); + + void Compile_EvaluateCondition(Instruction instr); + void Compile_UniformCondition(Instruction instr); + + /// Pointer to the variable that stores the current Pica code offset. Used to handle nested code blocks. + unsigned* offset_ptr = nullptr; + + /// Set to true if currently in a loop, used to check for the existence of nested loops + bool looping = false; +}; + +} // Shader + +} // Pica -- cgit v1.2.3