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gzdoom/tools/drawergen/llvmdrawers.cpp
Magnus Norddahl 111b5c5469 Add support for repeating skies in the TC sky drawer
2017-01-19 00:12:54 +01:00

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/*
** LLVM code generated drawers
** Copyright (c) 2016 Magnus Norddahl
**
** This software is provided 'as-is', without any express or implied
** warranty. In no event will the authors be held liable for any damages
** arising from the use of this software.
**
** Permission is granted to anyone to use this software for any purpose,
** including commercial applications, and to alter it and redistribute it
** freely, subject to the following restrictions:
**
** 1. The origin of this software must not be misrepresented; you must not
** claim that you wrote the original software. If you use this software
** in a product, an acknowledgment in the product documentation would be
** appreciated but is not required.
** 2. Altered source versions must be plainly marked as such, and must not be
** misrepresented as being the original software.
** 3. This notice may not be removed or altered from any source distribution.
**
*/
#include "precomp.h"
#include "timestamp.h"
#include "llvmdrawers.h"
#include "exception.h"
LLVMDrawers::LLVMDrawers(const std::string &triple, const std::string &cpuName, const std::string &features, const std::string namePostfix) : mNamePostfix(namePostfix)
{
mProgram.CreateModule();
CodegenDrawColumn("FillColumn", DrawColumnVariant::Fill);
CodegenDrawColumn("FillColumnAdd", DrawColumnVariant::FillAdd);
CodegenDrawColumn("FillColumnAddClamp", DrawColumnVariant::FillAddClamp);
CodegenDrawColumn("FillColumnSubClamp", DrawColumnVariant::FillSubClamp);
CodegenDrawColumn("FillColumnRevSubClamp", DrawColumnVariant::FillRevSubClamp);
CodegenDrawColumn("DrawColumn", DrawColumnVariant::Draw);
CodegenDrawColumn("DrawColumnAdd", DrawColumnVariant::DrawAdd);
CodegenDrawColumn("DrawColumnShaded", DrawColumnVariant::DrawShaded);
CodegenDrawColumn("DrawColumnAddClamp", DrawColumnVariant::DrawAddClamp);
CodegenDrawColumn("DrawColumnSubClamp", DrawColumnVariant::DrawSubClamp);
CodegenDrawColumn("DrawColumnRevSubClamp", DrawColumnVariant::DrawRevSubClamp);
CodegenDrawColumn("DrawColumnTranslated", DrawColumnVariant::DrawTranslated);
CodegenDrawColumn("DrawColumnTlatedAdd", DrawColumnVariant::DrawTlatedAdd);
CodegenDrawColumn("DrawColumnAddClampTranslated", DrawColumnVariant::DrawAddClampTranslated);
CodegenDrawColumn("DrawColumnSubClampTranslated", DrawColumnVariant::DrawSubClampTranslated);
CodegenDrawColumn("DrawColumnRevSubClampTranslated", DrawColumnVariant::DrawRevSubClampTranslated);
CodegenDrawSpan("DrawSpan", DrawSpanVariant::Opaque);
CodegenDrawSpan("DrawSpanMasked", DrawSpanVariant::Masked);
CodegenDrawSpan("DrawSpanTranslucent", DrawSpanVariant::Translucent);
CodegenDrawSpan("DrawSpanMaskedTranslucent", DrawSpanVariant::MaskedTranslucent);
CodegenDrawSpan("DrawSpanAddClamp", DrawSpanVariant::AddClamp);
CodegenDrawSpan("DrawSpanMaskedAddClamp", DrawSpanVariant::MaskedAddClamp);
CodegenDrawWall("vlinec1", DrawWallVariant::Opaque);
CodegenDrawWall("mvlinec1", DrawWallVariant::Masked);
CodegenDrawWall("tmvline1_add", DrawWallVariant::Add);
CodegenDrawWall("tmvline1_addclamp", DrawWallVariant::AddClamp);
CodegenDrawWall("tmvline1_subclamp", DrawWallVariant::SubClamp);
CodegenDrawWall("tmvline1_revsubclamp", DrawWallVariant::RevSubClamp);
CodegenDrawSky("DrawSky1", DrawSkyVariant::Single);
CodegenDrawSky("DrawDoubleSky1", DrawSkyVariant::Double);
for (int i = 0; i < NumTriBlendModes(); i++)
{
CodegenDrawTriangle("TriDraw8_" + std::to_string(i), (TriBlendMode)i, false, false);
CodegenDrawTriangle("TriDraw32_" + std::to_string(i), (TriBlendMode)i, true, false);
CodegenDrawTriangle("TriFill8_" + std::to_string(i), (TriBlendMode)i, false, true);
CodegenDrawTriangle("TriFill32_" + std::to_string(i), (TriBlendMode)i, true, true);
}
ObjectFile = mProgram.GenerateObjectFile(triple, cpuName, features);
}
void LLVMDrawers::CodegenDrawColumn(const char *name, DrawColumnVariant variant)
{
llvm::IRBuilder<> builder(mProgram.context());
SSAScope ssa_scope(&mProgram.context(), mProgram.module(), &builder);
SSAFunction function(name + mNamePostfix);
function.add_parameter(GetDrawColumnArgsStruct(mProgram.context()));
function.add_parameter(GetWorkerThreadDataStruct(mProgram.context()));
function.create_public();
DrawColumnCodegen codegen;
codegen.Generate(variant, function.parameter(0), function.parameter(1));
builder.CreateRetVoid();
if (llvm::verifyFunction(*function.func))
throw Exception("verifyFunction failed for CodegenDrawColumn()");
}
void LLVMDrawers::CodegenDrawSpan(const char *name, DrawSpanVariant variant)
{
llvm::IRBuilder<> builder(mProgram.context());
SSAScope ssa_scope(&mProgram.context(), mProgram.module(), &builder);
SSAFunction function(name + mNamePostfix);
function.add_parameter(GetDrawSpanArgsStruct(mProgram.context()));
function.create_public();
DrawSpanCodegen codegen;
codegen.Generate(variant, function.parameter(0));
builder.CreateRetVoid();
if (llvm::verifyFunction(*function.func))
throw Exception("verifyFunction failed for CodegenDrawSpan()");
}
void LLVMDrawers::CodegenDrawWall(const char *name, DrawWallVariant variant)
{
llvm::IRBuilder<> builder(mProgram.context());
SSAScope ssa_scope(&mProgram.context(), mProgram.module(), &builder);
SSAFunction function(name + mNamePostfix);
function.add_parameter(GetDrawWallArgsStruct(mProgram.context()));
function.add_parameter(GetWorkerThreadDataStruct(mProgram.context()));
function.create_public();
DrawWallCodegen codegen;
codegen.Generate(variant, function.parameter(0), function.parameter(1));
builder.CreateRetVoid();
if (llvm::verifyFunction(*function.func))
throw Exception("verifyFunction failed for CodegenDrawWall()");
}
void LLVMDrawers::CodegenDrawSky(const char *name, DrawSkyVariant variant)
{
llvm::IRBuilder<> builder(mProgram.context());
SSAScope ssa_scope(&mProgram.context(), mProgram.module(), &builder);
SSAFunction function(name + mNamePostfix);
function.add_parameter(GetDrawSkyArgsStruct(mProgram.context()));
function.add_parameter(GetWorkerThreadDataStruct(mProgram.context()));
function.create_public();
DrawSkyCodegen codegen;
codegen.Generate(variant, function.parameter(0), function.parameter(1));
builder.CreateRetVoid();
if (llvm::verifyFunction(*function.func))
throw Exception("verifyFunction failed for CodegenDrawSky()");
}
void LLVMDrawers::CodegenDrawTriangle(const std::string &name, TriBlendMode blendmode, bool truecolor, bool colorfill)
{
llvm::IRBuilder<> builder(mProgram.context());
SSAScope ssa_scope(&mProgram.context(), mProgram.module(), &builder);
SSAFunction function(name + mNamePostfix);
function.add_parameter(GetTriDrawTriangleArgs(mProgram.context()));
function.add_parameter(GetWorkerThreadDataStruct(mProgram.context()));
function.create_public();
DrawTriangleCodegen codegen;
codegen.Generate(blendmode, truecolor, colorfill, function.parameter(0), function.parameter(1));
builder.CreateRetVoid();
if (llvm::verifyFunction(*function.func))
throw Exception("verifyFunction failed for CodegenDrawTriangle()");
}
llvm::Type *LLVMDrawers::GetDrawColumnArgsStruct(llvm::LLVMContext &context)
{
if (DrawColumnArgsStruct)
return DrawColumnArgsStruct;
std::vector<llvm::Type *> elements;
elements.push_back(llvm::Type::getInt8PtrTy(context)); // uint32_t *dest;
elements.push_back(llvm::Type::getInt8PtrTy(context)); // const uint32_t *source;
elements.push_back(llvm::Type::getInt8PtrTy(context)); // const uint32_t *source2;
elements.push_back(llvm::Type::getInt8PtrTy(context)); // uint8_t *colormap;
elements.push_back(llvm::Type::getInt8PtrTy(context)); // uint8_t *translation;
elements.push_back(llvm::Type::getInt8PtrTy(context)); // const uint32_t *basecolors;
elements.push_back(llvm::Type::getInt32Ty(context)); // int32_t pitch;
elements.push_back(llvm::Type::getInt32Ty(context)); // int32_t count;
elements.push_back(llvm::Type::getInt32Ty(context)); // int32_t dest_y;
elements.push_back(llvm::Type::getInt32Ty(context)); // uint32_t iscale;
elements.push_back(llvm::Type::getInt32Ty(context)); // uint32_t texturefracx;
elements.push_back(llvm::Type::getInt32Ty(context)); // uint32_t textureheight;
elements.push_back(llvm::Type::getInt32Ty(context)); // uint32_t texturefrac;
elements.push_back(llvm::Type::getInt32Ty(context)); // uint32_t light;
elements.push_back(llvm::Type::getInt32Ty(context)); // uint32_t color;
elements.push_back(llvm::Type::getInt32Ty(context)); // uint32_t srccolor;
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;
DrawColumnArgsStruct = llvm::StructType::create(context, elements, "DrawColumnArgs", false)->getPointerTo();
return DrawColumnArgsStruct;
}
llvm::Type *LLVMDrawers::GetDrawSpanArgsStruct(llvm::LLVMContext &context)
{
if (DrawSpanArgsStruct)
return DrawSpanArgsStruct;
std::vector<llvm::Type *> elements;
elements.push_back(llvm::Type::getInt8PtrTy(context)); // uint8_t *destorg;
elements.push_back(llvm::Type::getInt8PtrTy(context)); // const uint32_t *source;
elements.push_back(llvm::Type::getInt32Ty(context)); // int32_t destpitch;
elements.push_back(llvm::Type::getInt32Ty(context)); // int32_t xfrac;
elements.push_back(llvm::Type::getInt32Ty(context)); // int32_t yfrac;
elements.push_back(llvm::Type::getInt32Ty(context)); // int32_t xstep;
elements.push_back(llvm::Type::getInt32Ty(context)); // int32_t ystep;
elements.push_back(llvm::Type::getInt32Ty(context)); // int32_t x1;
elements.push_back(llvm::Type::getInt32Ty(context)); // int32_t x2;
elements.push_back(llvm::Type::getInt32Ty(context)); // int32_t y;
elements.push_back(llvm::Type::getInt32Ty(context)); // int32_t xbits;
elements.push_back(llvm::Type::getInt32Ty(context)); // int32_t ybits;
elements.push_back(llvm::Type::getInt32Ty(context)); // uint32_t light;
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(llvm::Type::getFloatTy(context)); // float viewpos_x;
elements.push_back(llvm::Type::getFloatTy(context)); // float step_viewpos_x;
elements.push_back(GetTriLightStruct(context)); // TriLight *dynlights;
elements.push_back(llvm::Type::getInt32Ty(context)); // uint32_t num_dynlights;
DrawSpanArgsStruct = llvm::StructType::create(context, elements, "DrawSpanArgs", false)->getPointerTo();
return DrawSpanArgsStruct;
}
llvm::Type *LLVMDrawers::GetDrawWallArgsStruct(llvm::LLVMContext &context)
{
if (DrawWallArgsStruct)
return DrawWallArgsStruct;
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 < 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;
elements.push_back(llvm::Type::getFloatTy(context)); // float z;
elements.push_back(llvm::Type::getFloatTy(context)); // float step_z;
elements.push_back(GetTriLightStruct(context)); // TriLight *dynlights;
elements.push_back(llvm::Type::getInt32Ty(context)); // uint32_t num_dynlights;
DrawWallArgsStruct = llvm::StructType::create(context, elements, "DrawWallArgs", false)->getPointerTo();
return DrawWallArgsStruct;
}
llvm::Type *LLVMDrawers::GetDrawSkyArgsStruct(llvm::LLVMContext &context)
{
if (DrawSkyArgsStruct)
return DrawSkyArgsStruct;
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 < 16; i++)
elements.push_back(llvm::Type::getInt32Ty(context));
DrawSkyArgsStruct = llvm::StructType::create(context, elements, "DrawSkyArgs", false)->getPointerTo();
return DrawSkyArgsStruct;
}
llvm::Type *LLVMDrawers::GetWorkerThreadDataStruct(llvm::LLVMContext &context)
{
if (WorkerThreadDataStruct)
return WorkerThreadDataStruct;
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));
elements.push_back(GetTriFullSpanStruct(context));
elements.push_back(GetTriPartialBlockStruct(context));
for (int i = 0; i < 4; i++)
elements.push_back(llvm::Type::getInt32Ty(context));
WorkerThreadDataStruct = llvm::StructType::create(context, elements, "ThreadData", false)->getPointerTo();
return WorkerThreadDataStruct;
}
llvm::Type *LLVMDrawers::GetTriLightStruct(llvm::LLVMContext &context)
{
if (TriLightStruct)
return TriLightStruct;
std::vector<llvm::Type *> elements;
elements.push_back(llvm::Type::getInt32Ty(context));
for (int i = 0; i < 4; i++)
elements.push_back(llvm::Type::getFloatTy(context));
TriLightStruct = llvm::StructType::create(context, elements, "TriLight", false)->getPointerTo();
return TriLightStruct;
}
llvm::Type *LLVMDrawers::GetTriVertexStruct(llvm::LLVMContext &context)
{
if (TriVertexStruct)
return TriVertexStruct;
std::vector<llvm::Type *> elements;
for (int i = 0; i < 4 + TriVertex::NumVarying; i++)
elements.push_back(llvm::Type::getFloatTy(context));
TriVertexStruct = llvm::StructType::create(context, elements, "TriVertex", false)->getPointerTo();
return TriVertexStruct;
}
llvm::Type *LLVMDrawers::GetTriMatrixStruct(llvm::LLVMContext &context)
{
if (TriMatrixStruct)
return TriMatrixStruct;
std::vector<llvm::Type *> elements;
for (int i = 0; i < 4 * 4; i++)
elements.push_back(llvm::Type::getFloatTy(context));
TriMatrixStruct = llvm::StructType::create(context, elements, "TriMatrix", false)->getPointerTo();
return TriMatrixStruct;
}
llvm::Type *LLVMDrawers::GetTriUniformsStruct(llvm::LLVMContext &context)
{
if (TriUniformsStruct)
return TriUniformsStruct;
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::getFloatTy(context)); // float globvis;
elements.push_back(llvm::Type::getInt32Ty(context)); // uint32_t flags;
elements.push_back(GetTriMatrixStruct(context)); // TriMatrix objectToClip
TriUniformsStruct = llvm::StructType::create(context, elements, "TriUniforms", false)->getPointerTo();
return TriUniformsStruct;
}
llvm::Type *LLVMDrawers::GetTriFullSpanStruct(llvm::LLVMContext &context)
{
if (TriFullSpanStruct)
return TriFullSpanStruct;
std::vector<llvm::Type *> elements;
elements.push_back(llvm::Type::getInt16Ty(context)); // uint32_t X;
elements.push_back(llvm::Type::getInt16Ty(context)); // uint32_t Y;
elements.push_back(llvm::Type::getInt32Ty(context)); // uint32_t Length;
TriFullSpanStruct = llvm::StructType::create(context, elements, "TriFullSpan", false)->getPointerTo();
return TriFullSpanStruct;
}
llvm::Type *LLVMDrawers::GetTriPartialBlockStruct(llvm::LLVMContext &context)
{
if (TriPartialBlockStruct)
return TriPartialBlockStruct;
std::vector<llvm::Type *> elements;
elements.push_back(llvm::Type::getInt16Ty(context)); // uint32_t X;
elements.push_back(llvm::Type::getInt16Ty(context)); // uint32_t Y;
elements.push_back(llvm::Type::getInt32Ty(context)); // uint32_t Mask0;
elements.push_back(llvm::Type::getInt32Ty(context)); // uint32_t Mask1;
TriPartialBlockStruct = llvm::StructType::create(context, elements, "TriPartialBlock", false)->getPointerTo();
return TriPartialBlockStruct;
}
llvm::Type *LLVMDrawers::GetTriDrawTriangleArgs(llvm::LLVMContext &context)
{
if (TriDrawTriangleArgs)
return TriDrawTriangleArgs;
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 *RGB256k;
elements.push_back(llvm::Type::getInt8PtrTy(context)); // const uint8_t *BaseColors;
TriDrawTriangleArgs = llvm::StructType::create(context, elements, "TriDrawTriangle", false)->getPointerTo();
return TriDrawTriangleArgs;
}
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