mirror of
https://github.com/ZDoom/gzdoom.git
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710 lines
32 KiB
C++
710 lines
32 KiB
C++
/*
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** LLVM code generated drawers
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** Copyright (c) 2016 Magnus Norddahl
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**
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** This software is provided 'as-is', without any express or implied
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** warranty. In no event will the authors be held liable for any damages
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** arising from the use of this software.
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**
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** Permission is granted to anyone to use this software for any purpose,
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** including commercial applications, and to alter it and redistribute it
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** freely, subject to the following restrictions:
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**
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** 1. The origin of this software must not be misrepresented; you must not
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** claim that you wrote the original software. If you use this software
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** in a product, an acknowledgment in the product documentation would be
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** appreciated but is not required.
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** 2. Altered source versions must be plainly marked as such, and must not be
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** misrepresented as being the original software.
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** 3. This notice may not be removed or altered from any source distribution.
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**
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*/
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#include "precomp.h"
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#include "timestamp.h"
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#include "fixedfunction/drawspancodegen.h"
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#include "fixedfunction/drawwallcodegen.h"
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#include "fixedfunction/drawcolumncodegen.h"
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#include "fixedfunction/drawskycodegen.h"
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#include "fixedfunction/drawtrianglecodegen.h"
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#include "ssa/ssa_function.h"
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#include "ssa/ssa_scope.h"
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#include "ssa/ssa_for_block.h"
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#include "ssa/ssa_if_block.h"
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#include "ssa/ssa_stack.h"
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#include "ssa/ssa_function.h"
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#include "ssa/ssa_struct_type.h"
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#include "ssa/ssa_value.h"
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#include "ssa/ssa_barycentric_weight.h"
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#include <iostream>
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class Exception : public std::exception
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{
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public:
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Exception(const std::string &message) : message(message) { }
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const char *what() const override { return message.c_str(); }
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private:
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std::string message;
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};
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class LLVMProgram
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{
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public:
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LLVMProgram();
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void CreateModule();
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std::string GenerateAssembly(std::string cpuName);
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std::vector<uint8_t> GenerateObjectFile(std::string cpuName);
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std::string DumpModule();
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llvm::LLVMContext &context() { return *mContext; }
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llvm::Module *module() { return mModule.get(); }
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private:
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llvm::TargetMachine *machine = nullptr;
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std::unique_ptr<llvm::LLVMContext> mContext;
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std::unique_ptr<llvm::Module> mModule;
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};
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class LLVMDrawers
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{
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public:
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LLVMDrawers(const std::string &cpuName, const std::string namePostfix);
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std::vector<uint8_t> ObjectFile;
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private:
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void CodegenDrawColumn(const char *name, DrawColumnVariant variant, DrawColumnMethod method);
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void CodegenDrawSpan(const char *name, DrawSpanVariant variant);
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void CodegenDrawWall(const char *name, DrawWallVariant variant, int columns);
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void CodegenDrawSky(const char *name, DrawSkyVariant variant, int columns);
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void CodegenDrawTriangle(const std::string &name, TriDrawVariant variant, TriBlendMode blendmode, bool truecolor);
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static llvm::Type *GetDrawColumnArgsStruct(llvm::LLVMContext &context);
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static llvm::Type *GetDrawSpanArgsStruct(llvm::LLVMContext &context);
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static llvm::Type *GetDrawWallArgsStruct(llvm::LLVMContext &context);
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static llvm::Type *GetDrawSkyArgsStruct(llvm::LLVMContext &context);
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static llvm::Type *GetWorkerThreadDataStruct(llvm::LLVMContext &context);
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static llvm::Type *GetTriVertexStruct(llvm::LLVMContext &context);
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static llvm::Type *GetTriMatrixStruct(llvm::LLVMContext &context);
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static llvm::Type *GetTriUniformsStruct(llvm::LLVMContext &context);
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static llvm::Type *GetTriDrawTriangleArgs(llvm::LLVMContext &context);
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LLVMProgram mProgram;
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std::string mNamePostfix;
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};
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/////////////////////////////////////////////////////////////////////////////
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LLVMDrawers::LLVMDrawers(const std::string &cpuName, const std::string namePostfix) : mNamePostfix(namePostfix)
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{
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mProgram.CreateModule();
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CodegenDrawColumn("FillColumn", DrawColumnVariant::Fill, DrawColumnMethod::Normal);
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CodegenDrawColumn("FillColumnAdd", DrawColumnVariant::FillAdd, DrawColumnMethod::Normal);
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CodegenDrawColumn("FillColumnAddClamp", DrawColumnVariant::FillAddClamp, DrawColumnMethod::Normal);
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CodegenDrawColumn("FillColumnSubClamp", DrawColumnVariant::FillSubClamp, DrawColumnMethod::Normal);
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CodegenDrawColumn("FillColumnRevSubClamp", DrawColumnVariant::FillRevSubClamp, DrawColumnMethod::Normal);
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CodegenDrawColumn("DrawColumn", DrawColumnVariant::Draw, DrawColumnMethod::Normal);
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CodegenDrawColumn("DrawColumnAdd", DrawColumnVariant::DrawAdd, DrawColumnMethod::Normal);
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CodegenDrawColumn("DrawColumnShaded", DrawColumnVariant::DrawShaded, DrawColumnMethod::Normal);
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CodegenDrawColumn("DrawColumnAddClamp", DrawColumnVariant::DrawAddClamp, DrawColumnMethod::Normal);
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CodegenDrawColumn("DrawColumnSubClamp", DrawColumnVariant::DrawSubClamp, DrawColumnMethod::Normal);
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CodegenDrawColumn("DrawColumnRevSubClamp", DrawColumnVariant::DrawRevSubClamp, DrawColumnMethod::Normal);
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CodegenDrawColumn("DrawColumnTranslated", DrawColumnVariant::DrawTranslated, DrawColumnMethod::Normal);
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CodegenDrawColumn("DrawColumnTlatedAdd", DrawColumnVariant::DrawTlatedAdd, DrawColumnMethod::Normal);
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CodegenDrawColumn("DrawColumnAddClampTranslated", DrawColumnVariant::DrawAddClampTranslated, DrawColumnMethod::Normal);
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CodegenDrawColumn("DrawColumnSubClampTranslated", DrawColumnVariant::DrawSubClampTranslated, DrawColumnMethod::Normal);
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CodegenDrawColumn("DrawColumnRevSubClampTranslated", DrawColumnVariant::DrawRevSubClampTranslated, DrawColumnMethod::Normal);
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CodegenDrawColumn("DrawColumnRt1", DrawColumnVariant::Draw, DrawColumnMethod::Rt1);
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CodegenDrawColumn("DrawColumnRt1Copy", DrawColumnVariant::DrawCopy, DrawColumnMethod::Rt1);
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CodegenDrawColumn("DrawColumnRt1Add", DrawColumnVariant::DrawAdd, DrawColumnMethod::Rt1);
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CodegenDrawColumn("DrawColumnRt1Shaded", DrawColumnVariant::DrawShaded, DrawColumnMethod::Rt1);
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CodegenDrawColumn("DrawColumnRt1AddClamp", DrawColumnVariant::DrawAddClamp, DrawColumnMethod::Rt1);
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CodegenDrawColumn("DrawColumnRt1SubClamp", DrawColumnVariant::DrawSubClamp, DrawColumnMethod::Rt1);
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CodegenDrawColumn("DrawColumnRt1RevSubClamp", DrawColumnVariant::DrawRevSubClamp, DrawColumnMethod::Rt1);
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CodegenDrawColumn("DrawColumnRt1Translated", DrawColumnVariant::DrawTranslated, DrawColumnMethod::Rt1);
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CodegenDrawColumn("DrawColumnRt1TlatedAdd", DrawColumnVariant::DrawTlatedAdd, DrawColumnMethod::Rt1);
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CodegenDrawColumn("DrawColumnRt1AddClampTranslated", DrawColumnVariant::DrawAddClampTranslated, DrawColumnMethod::Rt1);
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CodegenDrawColumn("DrawColumnRt1SubClampTranslated", DrawColumnVariant::DrawSubClampTranslated, DrawColumnMethod::Rt1);
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CodegenDrawColumn("DrawColumnRt1RevSubClampTranslated", DrawColumnVariant::DrawRevSubClampTranslated, DrawColumnMethod::Rt1);
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CodegenDrawColumn("DrawColumnRt4", DrawColumnVariant::Draw, DrawColumnMethod::Rt4);
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CodegenDrawColumn("DrawColumnRt4Copy", DrawColumnVariant::DrawCopy, DrawColumnMethod::Rt4);
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CodegenDrawColumn("DrawColumnRt4Add", DrawColumnVariant::DrawAdd, DrawColumnMethod::Rt4);
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CodegenDrawColumn("DrawColumnRt4Shaded", DrawColumnVariant::DrawShaded, DrawColumnMethod::Rt4);
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CodegenDrawColumn("DrawColumnRt4AddClamp", DrawColumnVariant::DrawAddClamp, DrawColumnMethod::Rt4);
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CodegenDrawColumn("DrawColumnRt4SubClamp", DrawColumnVariant::DrawSubClamp, DrawColumnMethod::Rt4);
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CodegenDrawColumn("DrawColumnRt4RevSubClamp", DrawColumnVariant::DrawRevSubClamp, DrawColumnMethod::Rt4);
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CodegenDrawColumn("DrawColumnRt4Translated", DrawColumnVariant::DrawTranslated, DrawColumnMethod::Rt4);
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CodegenDrawColumn("DrawColumnRt4TlatedAdd", DrawColumnVariant::DrawTlatedAdd, DrawColumnMethod::Rt4);
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CodegenDrawColumn("DrawColumnRt4AddClampTranslated", DrawColumnVariant::DrawAddClampTranslated, DrawColumnMethod::Rt4);
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CodegenDrawColumn("DrawColumnRt4SubClampTranslated", DrawColumnVariant::DrawSubClampTranslated, DrawColumnMethod::Rt4);
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CodegenDrawColumn("DrawColumnRt4RevSubClampTranslated", DrawColumnVariant::DrawRevSubClampTranslated, DrawColumnMethod::Rt4);
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CodegenDrawSpan("DrawSpan", DrawSpanVariant::Opaque);
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CodegenDrawSpan("DrawSpanMasked", DrawSpanVariant::Masked);
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CodegenDrawSpan("DrawSpanTranslucent", DrawSpanVariant::Translucent);
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CodegenDrawSpan("DrawSpanMaskedTranslucent", DrawSpanVariant::MaskedTranslucent);
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CodegenDrawSpan("DrawSpanAddClamp", DrawSpanVariant::AddClamp);
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CodegenDrawSpan("DrawSpanMaskedAddClamp", DrawSpanVariant::MaskedAddClamp);
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CodegenDrawWall("vlinec1", DrawWallVariant::Opaque, 1);
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CodegenDrawWall("vlinec4", DrawWallVariant::Opaque, 4);
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CodegenDrawWall("mvlinec1", DrawWallVariant::Masked, 1);
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CodegenDrawWall("mvlinec4", DrawWallVariant::Masked, 4);
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CodegenDrawWall("tmvline1_add", DrawWallVariant::Add, 1);
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CodegenDrawWall("tmvline4_add", DrawWallVariant::Add, 4);
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CodegenDrawWall("tmvline1_addclamp", DrawWallVariant::AddClamp, 1);
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CodegenDrawWall("tmvline4_addclamp", DrawWallVariant::AddClamp, 4);
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CodegenDrawWall("tmvline1_subclamp", DrawWallVariant::SubClamp, 1);
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CodegenDrawWall("tmvline4_subclamp", DrawWallVariant::SubClamp, 4);
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CodegenDrawWall("tmvline1_revsubclamp", DrawWallVariant::RevSubClamp, 1);
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CodegenDrawWall("tmvline4_revsubclamp", DrawWallVariant::RevSubClamp, 4);
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CodegenDrawSky("DrawSky1", DrawSkyVariant::Single, 1);
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CodegenDrawSky("DrawSky4", DrawSkyVariant::Single, 4);
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CodegenDrawSky("DrawDoubleSky1", DrawSkyVariant::Double, 1);
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CodegenDrawSky("DrawDoubleSky4", DrawSkyVariant::Double, 4);
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for (int i = 0; i < NumTriBlendModes(); i++)
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{
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CodegenDrawTriangle("TriDrawNormal8_" + std::to_string(i), TriDrawVariant::DrawNormal, (TriBlendMode)i, false);
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CodegenDrawTriangle("TriDrawNormal32_" + std::to_string(i), TriDrawVariant::DrawNormal, (TriBlendMode)i, true);
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CodegenDrawTriangle("TriFillNormal8_" + std::to_string(i), TriDrawVariant::FillNormal, (TriBlendMode)i, false);
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CodegenDrawTriangle("TriFillNormal32_" + std::to_string(i), TriDrawVariant::FillNormal, (TriBlendMode)i, true);
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CodegenDrawTriangle("TriDrawSubsector8_" + std::to_string(i), TriDrawVariant::DrawSubsector, (TriBlendMode)i, false);
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CodegenDrawTriangle("TriDrawSubsector32_" + std::to_string(i), TriDrawVariant::DrawSubsector, (TriBlendMode)i, true);
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CodegenDrawTriangle("TriFillSubsector8_" + std::to_string(i), TriDrawVariant::FillSubsector, (TriBlendMode)i, false);
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CodegenDrawTriangle("TriFillSubsector32_" + std::to_string(i), TriDrawVariant::FillSubsector, (TriBlendMode)i, true);
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}
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CodegenDrawTriangle("TriStencil", TriDrawVariant::Stencil, TriBlendMode::Copy, false);
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CodegenDrawTriangle("TriStencilClose", TriDrawVariant::StencilClose, TriBlendMode::Copy, false);
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ObjectFile = mProgram.GenerateObjectFile(cpuName);
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}
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void LLVMDrawers::CodegenDrawColumn(const char *name, DrawColumnVariant variant, DrawColumnMethod method)
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{
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llvm::IRBuilder<> builder(mProgram.context());
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SSAScope ssa_scope(&mProgram.context(), mProgram.module(), &builder);
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SSAFunction function(name + mNamePostfix);
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function.add_parameter(GetDrawColumnArgsStruct(mProgram.context()));
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function.add_parameter(GetWorkerThreadDataStruct(mProgram.context()));
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function.create_public();
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DrawColumnCodegen codegen;
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codegen.Generate(variant, method, function.parameter(0), function.parameter(1));
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builder.CreateRetVoid();
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if (llvm::verifyFunction(*function.func))
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throw Exception("verifyFunction failed for CodegenDrawColumn()");
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}
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void LLVMDrawers::CodegenDrawSpan(const char *name, DrawSpanVariant variant)
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{
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llvm::IRBuilder<> builder(mProgram.context());
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SSAScope ssa_scope(&mProgram.context(), mProgram.module(), &builder);
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SSAFunction function(name + mNamePostfix);
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function.add_parameter(GetDrawSpanArgsStruct(mProgram.context()));
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function.create_public();
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DrawSpanCodegen codegen;
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codegen.Generate(variant, function.parameter(0));
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builder.CreateRetVoid();
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if (llvm::verifyFunction(*function.func))
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throw Exception("verifyFunction failed for CodegenDrawSpan()");
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}
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void LLVMDrawers::CodegenDrawWall(const char *name, DrawWallVariant variant, int columns)
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{
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llvm::IRBuilder<> builder(mProgram.context());
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SSAScope ssa_scope(&mProgram.context(), mProgram.module(), &builder);
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SSAFunction function(name + mNamePostfix);
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function.add_parameter(GetDrawWallArgsStruct(mProgram.context()));
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function.add_parameter(GetWorkerThreadDataStruct(mProgram.context()));
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function.create_public();
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DrawWallCodegen codegen;
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codegen.Generate(variant, columns == 4, function.parameter(0), function.parameter(1));
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builder.CreateRetVoid();
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if (llvm::verifyFunction(*function.func))
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throw Exception("verifyFunction failed for CodegenDrawWall()");
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}
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void LLVMDrawers::CodegenDrawSky(const char *name, DrawSkyVariant variant, int columns)
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{
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llvm::IRBuilder<> builder(mProgram.context());
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SSAScope ssa_scope(&mProgram.context(), mProgram.module(), &builder);
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SSAFunction function(name + mNamePostfix);
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function.add_parameter(GetDrawSkyArgsStruct(mProgram.context()));
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function.add_parameter(GetWorkerThreadDataStruct(mProgram.context()));
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function.create_public();
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DrawSkyCodegen codegen;
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codegen.Generate(variant, columns == 4, function.parameter(0), function.parameter(1));
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builder.CreateRetVoid();
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if (llvm::verifyFunction(*function.func))
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throw Exception("verifyFunction failed for CodegenDrawSky()");
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}
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void LLVMDrawers::CodegenDrawTriangle(const std::string &name, TriDrawVariant variant, TriBlendMode blendmode, bool truecolor)
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{
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llvm::IRBuilder<> builder(mProgram.context());
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SSAScope ssa_scope(&mProgram.context(), mProgram.module(), &builder);
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SSAFunction function(name + mNamePostfix);
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function.add_parameter(GetTriDrawTriangleArgs(mProgram.context()));
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function.add_parameter(GetWorkerThreadDataStruct(mProgram.context()));
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function.create_public();
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DrawTriangleCodegen codegen;
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codegen.Generate(variant, blendmode, truecolor, function.parameter(0), function.parameter(1));
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builder.CreateRetVoid();
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if (llvm::verifyFunction(*function.func))
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throw Exception(std::string("verifyFunction failed for CodegenDrawTriangle(") + std::to_string((int)variant) + ", " + std::to_string((int)blendmode) + ", " + std::to_string((int)truecolor) + ")");
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}
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llvm::Type *LLVMDrawers::GetDrawColumnArgsStruct(llvm::LLVMContext &context)
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{
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std::vector<llvm::Type *> elements;
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elements.push_back(llvm::Type::getInt8PtrTy(context)); // uint32_t *dest;
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elements.push_back(llvm::Type::getInt8PtrTy(context)); // const uint32_t *source;
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elements.push_back(llvm::Type::getInt8PtrTy(context)); // const uint32_t *source2;
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elements.push_back(llvm::Type::getInt8PtrTy(context)); // uint8_t *colormap;
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elements.push_back(llvm::Type::getInt8PtrTy(context)); // uint8_t *translation;
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elements.push_back(llvm::Type::getInt8PtrTy(context)); // const uint32_t *basecolors;
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elements.push_back(llvm::Type::getInt32Ty(context)); // int32_t pitch;
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elements.push_back(llvm::Type::getInt32Ty(context)); // int32_t count;
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elements.push_back(llvm::Type::getInt32Ty(context)); // int32_t dest_y;
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elements.push_back(llvm::Type::getInt32Ty(context)); // uint32_t iscale;
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elements.push_back(llvm::Type::getInt32Ty(context)); // uint32_t texturefracx;
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elements.push_back(llvm::Type::getInt32Ty(context)); // uint32_t textureheight;
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elements.push_back(llvm::Type::getInt32Ty(context)); // uint32_t texturefrac;
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elements.push_back(llvm::Type::getInt32Ty(context)); // uint32_t light;
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elements.push_back(llvm::Type::getInt32Ty(context)); // uint32_t color;
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elements.push_back(llvm::Type::getInt32Ty(context)); // uint32_t srccolor;
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elements.push_back(llvm::Type::getInt32Ty(context)); // uint32_t srcalpha;
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elements.push_back(llvm::Type::getInt32Ty(context)); // uint32_t destalpha;
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elements.push_back(llvm::Type::getInt16Ty(context)); // uint16_t light_alpha;
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elements.push_back(llvm::Type::getInt16Ty(context)); // uint16_t light_red;
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elements.push_back(llvm::Type::getInt16Ty(context)); // uint16_t light_green;
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elements.push_back(llvm::Type::getInt16Ty(context)); // uint16_t light_blue;
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elements.push_back(llvm::Type::getInt16Ty(context)); // uint16_t fade_alpha;
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elements.push_back(llvm::Type::getInt16Ty(context)); // uint16_t fade_red;
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elements.push_back(llvm::Type::getInt16Ty(context)); // uint16_t fade_green;
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elements.push_back(llvm::Type::getInt16Ty(context)); // uint16_t fade_blue;
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elements.push_back(llvm::Type::getInt16Ty(context)); // uint16_t desaturate;
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elements.push_back(llvm::Type::getInt32Ty(context)); // uint32_t flags;
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return llvm::StructType::create(context, elements, "DrawColumnArgs", false)->getPointerTo();
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}
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llvm::Type *LLVMDrawers::GetDrawSpanArgsStruct(llvm::LLVMContext &context)
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{
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std::vector<llvm::Type *> elements;
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elements.push_back(llvm::Type::getInt8PtrTy(context)); // uint8_t *destorg;
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elements.push_back(llvm::Type::getInt8PtrTy(context)); // const uint32_t *source;
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elements.push_back(llvm::Type::getInt32Ty(context)); // int32_t destpitch;
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elements.push_back(llvm::Type::getInt32Ty(context)); // int32_t xfrac;
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elements.push_back(llvm::Type::getInt32Ty(context)); // int32_t yfrac;
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elements.push_back(llvm::Type::getInt32Ty(context)); // int32_t xstep;
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elements.push_back(llvm::Type::getInt32Ty(context)); // int32_t ystep;
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elements.push_back(llvm::Type::getInt32Ty(context)); // int32_t x1;
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elements.push_back(llvm::Type::getInt32Ty(context)); // int32_t x2;
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elements.push_back(llvm::Type::getInt32Ty(context)); // int32_t y;
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elements.push_back(llvm::Type::getInt32Ty(context)); // int32_t xbits;
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elements.push_back(llvm::Type::getInt32Ty(context)); // int32_t ybits;
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elements.push_back(llvm::Type::getInt32Ty(context)); // uint32_t light;
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elements.push_back(llvm::Type::getInt32Ty(context)); // uint32_t srcalpha;
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elements.push_back(llvm::Type::getInt32Ty(context)); // uint32_t destalpha;
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elements.push_back(llvm::Type::getInt16Ty(context)); // uint16_t light_alpha;
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elements.push_back(llvm::Type::getInt16Ty(context)); // uint16_t light_red;
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elements.push_back(llvm::Type::getInt16Ty(context)); // uint16_t light_green;
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elements.push_back(llvm::Type::getInt16Ty(context)); // uint16_t light_blue;
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elements.push_back(llvm::Type::getInt16Ty(context)); // uint16_t fade_alpha;
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elements.push_back(llvm::Type::getInt16Ty(context)); // uint16_t fade_red;
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elements.push_back(llvm::Type::getInt16Ty(context)); // uint16_t fade_green;
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elements.push_back(llvm::Type::getInt16Ty(context)); // uint16_t fade_blue;
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elements.push_back(llvm::Type::getInt16Ty(context)); // uint16_t desaturate;
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elements.push_back(llvm::Type::getInt32Ty(context)); // uint32_t flags;
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return llvm::StructType::create(context, elements, "DrawSpanArgs", false)->getPointerTo();
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}
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llvm::Type *LLVMDrawers::GetDrawWallArgsStruct(llvm::LLVMContext &context)
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{
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std::vector<llvm::Type *> elements;
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elements.push_back(llvm::Type::getInt8PtrTy(context));
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for (int i = 0; i < 8; i++)
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elements.push_back(llvm::Type::getInt8PtrTy(context));
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|
for (int i = 0; i < 25; i++)
|
|
elements.push_back(llvm::Type::getInt32Ty(context));
|
|
elements.push_back(llvm::Type::getInt16Ty(context)); // uint16_t light_alpha;
|
|
elements.push_back(llvm::Type::getInt16Ty(context)); // uint16_t light_red;
|
|
elements.push_back(llvm::Type::getInt16Ty(context)); // uint16_t light_green;
|
|
elements.push_back(llvm::Type::getInt16Ty(context)); // uint16_t light_blue;
|
|
elements.push_back(llvm::Type::getInt16Ty(context)); // uint16_t fade_alpha;
|
|
elements.push_back(llvm::Type::getInt16Ty(context)); // uint16_t fade_red;
|
|
elements.push_back(llvm::Type::getInt16Ty(context)); // uint16_t fade_green;
|
|
elements.push_back(llvm::Type::getInt16Ty(context)); // uint16_t fade_blue;
|
|
elements.push_back(llvm::Type::getInt16Ty(context)); // uint16_t desaturate;
|
|
elements.push_back(llvm::Type::getInt32Ty(context)); // uint32_t flags;
|
|
return llvm::StructType::create(context, elements, "DrawWallArgs", false)->getPointerTo();
|
|
}
|
|
|
|
llvm::Type *LLVMDrawers::GetDrawSkyArgsStruct(llvm::LLVMContext &context)
|
|
{
|
|
std::vector<llvm::Type *> elements;
|
|
elements.push_back(llvm::Type::getInt8PtrTy(context));
|
|
for (int i = 0; i < 8; i++)
|
|
elements.push_back(llvm::Type::getInt8PtrTy(context));
|
|
for (int i = 0; i < 15; i++)
|
|
elements.push_back(llvm::Type::getInt32Ty(context));
|
|
return llvm::StructType::create(context, elements, "DrawSkyArgs", false)->getPointerTo();
|
|
}
|
|
|
|
llvm::Type *LLVMDrawers::GetWorkerThreadDataStruct(llvm::LLVMContext &context)
|
|
{
|
|
std::vector<llvm::Type *> elements;
|
|
for (int i = 0; i < 4; i++)
|
|
elements.push_back(llvm::Type::getInt32Ty(context));
|
|
elements.push_back(llvm::Type::getInt8PtrTy(context));
|
|
return llvm::StructType::create(context, elements, "ThreadData", false)->getPointerTo();
|
|
}
|
|
|
|
llvm::Type *LLVMDrawers::GetTriVertexStruct(llvm::LLVMContext &context)
|
|
{
|
|
std::vector<llvm::Type *> elements;
|
|
for (int i = 0; i < 4 + TriVertex::NumVarying; i++)
|
|
elements.push_back(llvm::Type::getFloatTy(context));
|
|
return llvm::StructType::create(context, elements, "TriVertex", false)->getPointerTo();
|
|
}
|
|
|
|
llvm::Type *LLVMDrawers::GetTriMatrixStruct(llvm::LLVMContext &context)
|
|
{
|
|
std::vector<llvm::Type *> elements;
|
|
for (int i = 0; i < 4 * 4; i++)
|
|
elements.push_back(llvm::Type::getFloatTy(context));
|
|
return llvm::StructType::create(context, elements, "TriMatrix", false)->getPointerTo();
|
|
}
|
|
|
|
llvm::Type *LLVMDrawers::GetTriUniformsStruct(llvm::LLVMContext &context)
|
|
{
|
|
std::vector<llvm::Type *> elements;
|
|
elements.push_back(llvm::Type::getInt32Ty(context)); // uint32_t light;
|
|
elements.push_back(llvm::Type::getInt32Ty(context)); // uint32_t subsectorDepth;
|
|
elements.push_back(llvm::Type::getInt32Ty(context)); // uint32_t color;
|
|
elements.push_back(llvm::Type::getInt32Ty(context)); // uint32_t srcalpha;
|
|
elements.push_back(llvm::Type::getInt32Ty(context)); // uint32_t destalpha;
|
|
elements.push_back(llvm::Type::getInt16Ty(context)); // uint16_t light_alpha;
|
|
elements.push_back(llvm::Type::getInt16Ty(context)); // uint16_t light_red;
|
|
elements.push_back(llvm::Type::getInt16Ty(context)); // uint16_t light_green;
|
|
elements.push_back(llvm::Type::getInt16Ty(context)); // uint16_t light_blue;
|
|
elements.push_back(llvm::Type::getInt16Ty(context)); // uint16_t fade_alpha;
|
|
elements.push_back(llvm::Type::getInt16Ty(context)); // uint16_t fade_red;
|
|
elements.push_back(llvm::Type::getInt16Ty(context)); // uint16_t fade_green;
|
|
elements.push_back(llvm::Type::getInt16Ty(context)); // uint16_t fade_blue;
|
|
elements.push_back(llvm::Type::getInt16Ty(context)); // uint16_t desaturate;
|
|
elements.push_back(llvm::Type::getInt32Ty(context)); // uint32_t flags;
|
|
elements.push_back(GetTriMatrixStruct(context)); // TriMatrix objectToClip
|
|
return llvm::StructType::create(context, elements, "TriUniforms", false)->getPointerTo();
|
|
}
|
|
|
|
llvm::Type *LLVMDrawers::GetTriDrawTriangleArgs(llvm::LLVMContext &context)
|
|
{
|
|
std::vector<llvm::Type *> elements;
|
|
elements.push_back(llvm::Type::getInt8PtrTy(context)); // uint8_t *dest;
|
|
elements.push_back(llvm::Type::getInt32Ty(context)); // int32_t pitch;
|
|
elements.push_back(GetTriVertexStruct(context)); // TriVertex *v1;
|
|
elements.push_back(GetTriVertexStruct(context)); // TriVertex *v2;
|
|
elements.push_back(GetTriVertexStruct(context)); // TriVertex *v3;
|
|
elements.push_back(llvm::Type::getInt32Ty(context)); // int32_t clipleft;
|
|
elements.push_back(llvm::Type::getInt32Ty(context)); // int32_t clipright;
|
|
elements.push_back(llvm::Type::getInt32Ty(context)); // int32_t cliptop;
|
|
elements.push_back(llvm::Type::getInt32Ty(context)); // int32_t clipbottom;
|
|
elements.push_back(llvm::Type::getInt8PtrTy(context)); // const uint8_t *texturePixels;
|
|
elements.push_back(llvm::Type::getInt32Ty(context)); // uint32_t textureWidth;
|
|
elements.push_back(llvm::Type::getInt32Ty(context)); // uint32_t textureHeight;
|
|
elements.push_back(llvm::Type::getInt8PtrTy(context)); // const uint8_t *translation;
|
|
elements.push_back(GetTriUniformsStruct(context)); // const TriUniforms *uniforms;
|
|
elements.push_back(llvm::Type::getInt8PtrTy(context)); // uint8_t *stencilValues;
|
|
elements.push_back(llvm::Type::getInt32PtrTy(context)); // uint32_t *stencilMasks;
|
|
elements.push_back(llvm::Type::getInt32Ty(context)); // int32_t stencilPitch;
|
|
elements.push_back(llvm::Type::getInt8Ty(context)); // uint8_t stencilTestValue;
|
|
elements.push_back(llvm::Type::getInt8Ty(context)); // uint8_t stencilWriteValue;
|
|
elements.push_back(llvm::Type::getInt32PtrTy(context)); // uint32_t *subsectorGBuffer;
|
|
elements.push_back(llvm::Type::getInt8PtrTy(context)); // const uint8_t *colormaps;
|
|
elements.push_back(llvm::Type::getInt8PtrTy(context)); // const uint8_t *RGB32k;
|
|
elements.push_back(llvm::Type::getInt8PtrTy(context)); // const uint8_t *BaseColors;
|
|
return llvm::StructType::create(context, elements, "TriDrawTriangle", false)->getPointerTo();
|
|
}
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
|
|
LLVMProgram::LLVMProgram()
|
|
{
|
|
mContext = std::make_unique<llvm::LLVMContext>();
|
|
}
|
|
|
|
void LLVMProgram::CreateModule()
|
|
{
|
|
mModule = std::make_unique<llvm::Module>("render", context());
|
|
}
|
|
|
|
std::string LLVMProgram::GenerateAssembly(std::string cpuName)
|
|
{
|
|
using namespace llvm;
|
|
|
|
std::string errorstring;
|
|
|
|
llvm::Module *module = mModule.get();
|
|
EngineBuilder engineBuilder(std::move(mModule));
|
|
engineBuilder.setErrorStr(&errorstring);
|
|
engineBuilder.setOptLevel(CodeGenOpt::Aggressive);
|
|
engineBuilder.setEngineKind(EngineKind::JIT);
|
|
engineBuilder.setMCPU(cpuName);
|
|
machine = engineBuilder.selectTarget();
|
|
if (!machine)
|
|
throw Exception("Could not create LLVM target machine");
|
|
|
|
#if LLVM_VERSION_MAJOR < 3 || (LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR < 8)
|
|
std::string targetTriple = machine->getTargetTriple();
|
|
#else
|
|
std::string targetTriple = machine->getTargetTriple().getTriple();
|
|
#endif
|
|
|
|
module->setTargetTriple(targetTriple);
|
|
#if LLVM_VERSION_MAJOR < 3 || (LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR < 8)
|
|
module->setDataLayout(new DataLayout(*machine->getSubtargetImpl()->getDataLayout()));
|
|
#else
|
|
module->setDataLayout(machine->createDataLayout());
|
|
#endif
|
|
|
|
legacy::FunctionPassManager PerFunctionPasses(module);
|
|
legacy::PassManager PerModulePasses;
|
|
|
|
#if LLVM_VERSION_MAJOR > 3 || (LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR >= 8)
|
|
PerFunctionPasses.add(createTargetTransformInfoWrapperPass(machine->getTargetIRAnalysis()));
|
|
PerModulePasses.add(createTargetTransformInfoWrapperPass(machine->getTargetIRAnalysis()));
|
|
#endif
|
|
|
|
SmallString<16 * 1024> str;
|
|
#if LLVM_VERSION_MAJOR < 3 || (LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR < 8)
|
|
raw_svector_ostream vecstream(str);
|
|
formatted_raw_ostream stream(vecstream);
|
|
#else
|
|
raw_svector_ostream stream(str);
|
|
#endif
|
|
machine->addPassesToEmitFile(PerModulePasses, stream, TargetMachine::CGFT_AssemblyFile);
|
|
|
|
PassManagerBuilder passManagerBuilder;
|
|
passManagerBuilder.OptLevel = 3;
|
|
passManagerBuilder.SizeLevel = 0;
|
|
passManagerBuilder.Inliner = createFunctionInliningPass();
|
|
passManagerBuilder.SLPVectorize = true;
|
|
passManagerBuilder.LoopVectorize = true;
|
|
passManagerBuilder.LoadCombine = true;
|
|
passManagerBuilder.populateModulePassManager(PerModulePasses);
|
|
passManagerBuilder.populateFunctionPassManager(PerFunctionPasses);
|
|
|
|
// Run function passes:
|
|
PerFunctionPasses.doInitialization();
|
|
for (llvm::Function &func : *module)
|
|
{
|
|
if (!func.isDeclaration())
|
|
PerFunctionPasses.run(func);
|
|
}
|
|
PerFunctionPasses.doFinalization();
|
|
|
|
// Run module passes:
|
|
PerModulePasses.run(*module);
|
|
|
|
return str.c_str();
|
|
}
|
|
|
|
std::vector<uint8_t> LLVMProgram::GenerateObjectFile(std::string cpuName)
|
|
{
|
|
using namespace llvm;
|
|
|
|
std::string errorstring;
|
|
|
|
llvm::Module *module = mModule.get();
|
|
EngineBuilder engineBuilder(std::move(mModule));
|
|
engineBuilder.setErrorStr(&errorstring);
|
|
engineBuilder.setOptLevel(CodeGenOpt::Aggressive);
|
|
engineBuilder.setEngineKind(EngineKind::JIT);
|
|
engineBuilder.setMCPU(cpuName);
|
|
machine = engineBuilder.selectTarget();
|
|
if (!machine)
|
|
throw Exception("Could not create LLVM target machine");
|
|
|
|
#if LLVM_VERSION_MAJOR < 3 || (LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR < 8)
|
|
std::string targetTriple = machine->getTargetTriple();
|
|
#else
|
|
std::string targetTriple = machine->getTargetTriple().getTriple();
|
|
#endif
|
|
|
|
module->setTargetTriple(targetTriple);
|
|
#if LLVM_VERSION_MAJOR < 3 || (LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR < 8)
|
|
module->setDataLayout(new DataLayout(*machine->getSubtargetImpl()->getDataLayout()));
|
|
#else
|
|
module->setDataLayout(machine->createDataLayout());
|
|
#endif
|
|
|
|
legacy::FunctionPassManager PerFunctionPasses(module);
|
|
legacy::PassManager PerModulePasses;
|
|
|
|
#if LLVM_VERSION_MAJOR > 3 || (LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR >= 8)
|
|
PerFunctionPasses.add(createTargetTransformInfoWrapperPass(machine->getTargetIRAnalysis()));
|
|
PerModulePasses.add(createTargetTransformInfoWrapperPass(machine->getTargetIRAnalysis()));
|
|
#endif
|
|
|
|
SmallString<16 * 1024> str;
|
|
#if LLVM_VERSION_MAJOR < 3 || (LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR < 8)
|
|
raw_svector_ostream vecstream(str);
|
|
formatted_raw_ostream stream(vecstream);
|
|
#else
|
|
raw_svector_ostream stream(str);
|
|
#endif
|
|
machine->addPassesToEmitFile(PerModulePasses, stream, TargetMachine::CGFT_ObjectFile);
|
|
|
|
PassManagerBuilder passManagerBuilder;
|
|
passManagerBuilder.OptLevel = 3;
|
|
passManagerBuilder.SizeLevel = 0;
|
|
passManagerBuilder.Inliner = createFunctionInliningPass();
|
|
passManagerBuilder.SLPVectorize = true;
|
|
passManagerBuilder.LoopVectorize = true;
|
|
passManagerBuilder.LoadCombine = true;
|
|
passManagerBuilder.populateModulePassManager(PerModulePasses);
|
|
passManagerBuilder.populateFunctionPassManager(PerFunctionPasses);
|
|
|
|
// Run function passes:
|
|
PerFunctionPasses.doInitialization();
|
|
for (llvm::Function &func : *module)
|
|
{
|
|
if (!func.isDeclaration())
|
|
PerFunctionPasses.run(func);
|
|
}
|
|
PerFunctionPasses.doFinalization();
|
|
|
|
// Run module passes:
|
|
PerModulePasses.run(*module);
|
|
|
|
// Return the resulting object file
|
|
std::vector<uint8_t> data;
|
|
data.resize(str.size());
|
|
memcpy(data.data(), str.data(), data.size());
|
|
return data;
|
|
}
|
|
|
|
std::string LLVMProgram::DumpModule()
|
|
{
|
|
std::string str;
|
|
llvm::raw_string_ostream stream(str);
|
|
#if LLVM_VERSION_MAJOR < 3 || (LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR < 8)
|
|
mModule->print(stream, nullptr);
|
|
#else
|
|
mModule->print(stream, nullptr, false, true);
|
|
#endif
|
|
return stream.str();
|
|
}
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
|
|
std::string &AllTimestamps()
|
|
{
|
|
static std::string timestamps;
|
|
return timestamps;
|
|
}
|
|
|
|
void AddSourceFileTimestamp(const char *timestamp)
|
|
{
|
|
if (!AllTimestamps().empty()) AllTimestamps().push_back(' ');
|
|
AllTimestamps() += timestamp;
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
if (argc != 2)
|
|
{
|
|
std::cerr << "Usage: " << argv[0] << "<output filename>" << std::endl;
|
|
return 1;
|
|
}
|
|
|
|
std::string timestamp_filename = argv[1] + std::string(".timestamp");
|
|
|
|
FILE *file = fopen(timestamp_filename.c_str(), "rb");
|
|
if (file != nullptr)
|
|
{
|
|
char buffer[4096];
|
|
int bytes_read = fread(buffer, 1, 4096, file);
|
|
fclose(file);
|
|
std::string last_timestamp;
|
|
if (bytes_read > 0)
|
|
last_timestamp = std::string(buffer, bytes_read);
|
|
|
|
if (AllTimestamps() == last_timestamp)
|
|
{
|
|
std::cout << "Not recompiling drawers because the object file is already up to date." << std::endl;
|
|
exit(0);
|
|
}
|
|
}
|
|
|
|
llvm::install_fatal_error_handler([](void *user_data, const std::string& reason, bool gen_crash_diag)
|
|
{
|
|
std::cerr << "LLVM fatal error: " << reason;
|
|
exit(1);
|
|
});
|
|
|
|
llvm::InitializeNativeTarget();
|
|
llvm::InitializeNativeTargetAsmPrinter();
|
|
|
|
std::string cpuName = "pentium4";
|
|
std::cout << "Compiling drawer code for " << cpuName << ".." << std::endl;
|
|
|
|
LLVMDrawers drawersSSE2(cpuName, "_SSE2");
|
|
|
|
file = fopen(argv[1], "wb");
|
|
if (file == nullptr)
|
|
{
|
|
std::cerr << "Unable to open " << argv[1] << " for writing." << std::endl;
|
|
return 1;
|
|
}
|
|
|
|
int result = fwrite(drawersSSE2.ObjectFile.data(), drawersSSE2.ObjectFile.size(), 1, file);
|
|
fclose(file);
|
|
|
|
if (result != 1)
|
|
{
|
|
std::cerr << "Could not write data to " << argv[1] << std::endl;
|
|
return 1;
|
|
}
|
|
|
|
file = fopen(timestamp_filename.c_str(), "wb");
|
|
if (file == nullptr)
|
|
{
|
|
std::cerr << "Could not create timestamp file" << std::endl;
|
|
return 1;
|
|
}
|
|
result = fwrite(AllTimestamps().data(), AllTimestamps().length(), 1, file);
|
|
fclose(file);
|
|
if (result != 1)
|
|
{
|
|
std::cerr << "Could not write timestamp file" << std::endl;
|
|
return 1;
|
|
}
|
|
|
|
//LLVMDrawers drawersSSE4("core2");
|
|
//LLVMDrawers drawersAVX("sandybridge");
|
|
//LLVMDrawers drawersAVX2("haswell");
|
|
|
|
return 0;
|
|
}
|