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shaders_glsl.cpp
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#include "kslicer.h"
#include "template_rendering.h"
#include <iostream>
#ifdef _WIN32
#include <sys/types.h>
#endif
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
kslicer::GLSLCompiler::GLSLCompiler(const std::string& a_prefix) : m_suffix(a_prefix)
{
}
void kslicer::GLSLCompiler::GenerateShaders(nlohmann::json& a_kernelsJson, const MainClassInfo* a_codeInfo, const kslicer::TextGenSettings& a_settings)
{
const auto& mainClassFileName = a_codeInfo->mainClassFileName;
const auto& ignoreFolders = a_codeInfo->ignoreFolders;
#ifdef _WIN32
const std::string scriptName = "build.bat";
#else
const std::string scriptName = "build.sh";
#endif
std::filesystem::path folderPath = mainClassFileName.parent_path();
std::filesystem::path shaderPath = folderPath / this->ShaderFolder();
std::filesystem::path incUBOPath = folderPath / "include";
std::filesystem::create_directory(shaderPath);
std::filesystem::create_directory(incUBOPath);
// generate header for all used functions in GLSL code
//
std::string headerCommon = "common" + ToLowerCase(m_suffix) + ".h";
std::filesystem::path templatesFolder("templates_glsl");
kslicer::ApplyJsonToTemplate(templatesFolder / "common_generated.h", shaderPath / headerCommon, a_kernelsJson);
// now generate all glsl shaders
//
const std::filesystem::path templatePath = templatesFolder / (a_codeInfo->megakernelRTV ? "generated_mega.glsl" : "generated.glsl");
const std::filesystem::path templatePathUpdInd = templatesFolder / "update_indirect.glsl";
const std::filesystem::path templatePathRedFin = templatesFolder / "reduction_finish.glsl";
const std::filesystem::path templatePathIntShd = templatesFolder / "intersection_shader.glsl";
const std::filesystem::path templatePathHitShd = templatesFolder / "closest_hit_shader.glsl";
const std::filesystem::path templatePathCalShd = templatesFolder / "callable_shader.glsl";
nlohmann::json copy, kernels, intersections;
for (auto& el : a_kernelsJson.items())
{
//std::cout << el.key() << std::endl;
if(std::string(el.key()) == "Kernels")
kernels = a_kernelsJson[el.key()];
else
copy[el.key()] = a_kernelsJson[el.key()];
}
//std::cout << "shaderPath = " << shaderPath.c_str() << std::endl;
bool needRTDummies = false;
bool rcHitForIntersectionIsGenerated = false;
std::ofstream buildSH(shaderPath / scriptName);
#if not __WIN32__
buildSH << "#!/bin/sh" << std::endl;
#endif
for(auto& kernel : kernels.items())
{
nlohmann::json currKerneJson = copy;
currKerneJson["Kernel"] = kernel.value();
std::string kernelName = std::string(kernel.value()["Name"]);
bool useRayTracingPipeline = kernel.value()["UseRayGen"];
const bool vulkan11 = kernel.value()["UseSubGroups"] || a_codeInfo->persistentRTV;
const bool vulkan12 = useRayTracingPipeline;
needRTDummies = needRTDummies || useRayTracingPipeline;
if(useRayTracingPipeline)
{
//std::ofstream file(a_codeInfo->mainClassFileName.parent_path() / "z_debug.json");
//file << std::setw(2) << currKerneJson; //
//file.close();
std::unordered_set<std::string> intersectionShaders;
for(auto impl : currKerneJson["Kernel"]["IntersectionHierarhcy"]["Implementations"])
{
nlohmann::json intersectionShader;
for(auto f : impl["MemberFunctions"])
if(f["IsIntersection"])
intersectionShader = f;
if(intersectionShader.empty())
continue;
//std::ofstream file(a_codeInfo->mainClassFileName.parent_path() / "z_intersection_shader.json");
//file << std::setw(2) << intersectionShader; //
//file.close();
nlohmann::json ISData = copy;
ISData["Kernel"] = currKerneJson["Kernel"];
ISData["Implementation"] = impl;
ISData["IntersectionShader"] = intersectionShader;
std::string outFileName_RHIT = std::string(impl["ClassName"]) + "_" + std::string(intersectionShader["Name"]) + "_hit.glsl";
std::string outFileName_RINT = std::string(impl["ClassName"]) + "_" + std::string(intersectionShader["Name"]) + "_int.glsl";
if(intersectionShaders.find(outFileName_RHIT) != intersectionShaders.end())
continue;
intersectionShaders.insert(outFileName_RHIT);
std::string target = "vulkan1.2";
if(!rcHitForIntersectionIsGenerated)
{
kslicer::ApplyJsonToTemplate(templatePathHitShd.c_str(), shaderPath / "z_trace_custom_hit.glsl", ISData);
buildSH << "glslangValidator -V --target-env " + target + " -S rchit " << "z_trace_custom_hit.glsl" << " -o " << "z_trace_custom_hit.glsl" << ".spv" << " -DGLSL -I.. ";
for(auto folder : ignoreFolders)
buildSH << "-I" << folder.c_str() << " ";
buildSH << std::endl;
rcHitForIntersectionIsGenerated = false;
}
//kslicer::ApplyJsonToTemplate(templatePathHitShd.c_str(), shaderPath / outFileName_RHIT, ISData);
kslicer::ApplyJsonToTemplate(templatePathIntShd.c_str(), shaderPath / outFileName_RINT, ISData);
buildSH << "glslangValidator -V --target-env " + target + " -S rint " << outFileName_RINT.c_str() << " -o " << outFileName_RINT.c_str() << ".spv" << " -DGLSL -I.. ";
for(auto folder : ignoreFolders)
buildSH << "-I" << folder.c_str() << " ";
buildSH << std::endl;
}
if(a_settings.enableCallable)
{
for(auto hierarchy : currKerneJson["Kernel"]["Hierarchies"]) {
for(auto impl : hierarchy["Implementations"]) {
for(const auto& member : impl["MemberFunctions"]) {
nlohmann::json CSData = copy;
CSData["Kernel"] = currKerneJson["Kernel"];
CSData["Implementation"] = impl;
CSData["MemberName"] = member["Name"];
std::string outFileName = a_codeInfo->RemoveKernelPrefix(kernelName) + "_" + std::string(impl["ClassName"]) + "_" + std::string(member["Name"]) + "_call.glsl";
kslicer::ApplyJsonToTemplate(templatePathCalShd.c_str(), shaderPath / outFileName, CSData);
buildSH << "glslangValidator -V --target-env vulkan1.2 -S rcall " << outFileName.c_str() << " -o " << outFileName.c_str() << ".spv" << " -DGLSL -I.. ";
for(auto folder : ignoreFolders)
buildSH << "-I" << folder.c_str() << " ";
buildSH << std::endl;
}
}
}
}
}
std::string outFileName = kernelName + (useRayTracingPipeline ? "RGEN.glsl" : ".comp");
std::filesystem::path outFilePath = shaderPath / outFileName;
kslicer::ApplyJsonToTemplate(templatePath.c_str(), outFilePath, currKerneJson);
buildSH << "glslangValidator -V ";
if(vulkan12)
buildSH << "--target-env vulkan1.2 ";
else if(vulkan11)
buildSH << "--target-env vulkan1.1 ";
if(useRayTracingPipeline)
buildSH << "-S rgen ";
buildSH << outFileName.c_str() << " -o " << outFileName.c_str() << ".spv" << " -DGLSL -I.. ";
for(auto folder : ignoreFolders)
buildSH << "-I" << folder.c_str() << " ";
buildSH << std::endl;
if(kernel.value()["IsIndirect"])
{
outFileName = kernelName + "_UpdateIndirect.comp";
outFilePath = shaderPath / outFileName;
kslicer::ApplyJsonToTemplate(templatePathUpdInd.c_str(), outFilePath, currKerneJson);
buildSH << "glslangValidator -V ";
if(vulkan11)
buildSH << "--target-env vulkan1.1 ";
buildSH << outFileName.c_str() << " -o " << outFileName.c_str() << ".spv" << " -DGLSL -I.. ";
for(auto folder : ignoreFolders)
buildSH << "-I" << folder.c_str() << " ";
buildSH << std::endl;
}
if(kernel.value()["FinishRed"])
{
outFileName = kernelName + "_Reduction.comp";
outFilePath = shaderPath / outFileName;
kslicer::ApplyJsonToTemplate(templatePathRedFin.c_str(), outFilePath, currKerneJson);
buildSH << "glslangValidator -V ";
if(vulkan11)
buildSH << "--target-env vulkan1.1 ";
buildSH << outFileName.c_str() << " -o " << outFileName.c_str() << ".spv" << " -DGLSL -I.. ";
for(auto folder : ignoreFolders)
buildSH << "-I" << folder.c_str() << " ";
buildSH << std::endl;
}
}
if(a_codeInfo->usedServiceCalls.find("memcpy") != a_codeInfo->usedServiceCalls.end())
{
nlohmann::json dummy;
kslicer::ApplyJsonToTemplate(templatesFolder / "z_memcpy.glsl", shaderPath / "z_memcpy.comp", dummy); // just file copy actually
buildSH << "glslangValidator -V z_memcpy.comp -o z_memcpy.comp.spv" << std::endl;
}
if(a_codeInfo->usedServiceCalls.find("MatMulTranspose") != a_codeInfo->usedServiceCalls.end())
{
nlohmann::json dummy;
kslicer::ApplyJsonToTemplate(templatesFolder / "z_matMulTranspose.glsl", shaderPath / "z_matMulTranspose.comp", dummy); // just file copy actually
buildSH << "glslangValidator -V z_matMulTranspose.comp -o z_matMulTranspose.comp.spv" << std::endl;
}
if(a_codeInfo->usedServiceCalls.find("exclusive_scan") != a_codeInfo->usedServiceCalls.end() ||
a_codeInfo->usedServiceCalls.find("inclusive_scan") != a_codeInfo->usedServiceCalls.end())
{
for(auto scanImpl : a_codeInfo->serviceCalls)
{
if (scanImpl.second.opName == "scan")
{
nlohmann::json params;
params["Type"] = scanImpl.second.dataTypeName;
kslicer::ApplyJsonToTemplate(templatesFolder / "z_scan_block.glsl", shaderPath / ("z_scan_" + scanImpl.second.dataTypeName + "_block.comp"), params);
kslicer::ApplyJsonToTemplate(templatesFolder / "z_scan_propagate.glsl", shaderPath / ("z_scan_" + scanImpl.second.dataTypeName + "_propagate.comp"), params);
buildSH << "glslangValidator -V z_scan_" + scanImpl.second.dataTypeName + "_block.comp -o z_scan_" + scanImpl.second.dataTypeName + "_block.comp.spv" << std::endl;
buildSH << "glslangValidator -V z_scan_" + scanImpl.second.dataTypeName + "_propagate.comp -o z_scan_" + scanImpl.second.dataTypeName + "_propagate.comp.spv" << std::endl;
}
}
}
if(a_codeInfo->usedServiceCalls.find("sort") != a_codeInfo->usedServiceCalls.end())
{
for(auto sortImpl : a_codeInfo->serviceCalls)
{
if (sortImpl.second.opName == "sort")
{
nlohmann::json params;
params["Type"] = sortImpl.second.dataTypeName;
params["Lambda"] = sortImpl.second.lambdaSource;
params["Suffix"] = ToLowerCase(a_codeInfo->mainClassSuffix);
kslicer::ApplyJsonToTemplate(templatesFolder / "z_bitonic_pass.glsl", shaderPath / ("z_bitonic_" + sortImpl.second.dataTypeName + "_pass.comp"), params);
kslicer::ApplyJsonToTemplate(templatesFolder / "z_bitonic_512.glsl", shaderPath / ("z_bitonic_" + sortImpl.second.dataTypeName + "_512.comp"), params);
kslicer::ApplyJsonToTemplate(templatesFolder / "z_bitonic_1024.glsl", shaderPath / ("z_bitonic_" + sortImpl.second.dataTypeName + "_1024.comp"), params);
kslicer::ApplyJsonToTemplate(templatesFolder / "z_bitonic_2048.glsl", shaderPath / ("z_bitonic_" + sortImpl.second.dataTypeName + "_2048.comp"), params);
buildSH << "glslangValidator -V z_bitonic_" + sortImpl.second.dataTypeName + "_pass.comp -o z_bitonic_" + sortImpl.second.dataTypeName + "_pass.comp.spv" << std::endl;
buildSH << "glslangValidator -V z_bitonic_" + sortImpl.second.dataTypeName + "_512.comp -o z_bitonic_" + sortImpl.second.dataTypeName + "_512.comp.spv" << std::endl;
buildSH << "glslangValidator -V z_bitonic_" + sortImpl.second.dataTypeName + "_1024.comp -o z_bitonic_" + sortImpl.second.dataTypeName + "_1024.comp.spv" << std::endl;
buildSH << "glslangValidator -V z_bitonic_" + sortImpl.second.dataTypeName + "_2048.comp -o z_bitonic_" + sortImpl.second.dataTypeName + "_2048.comp.spv" << std::endl;
}
}
}
if(needRTDummies)
{
nlohmann::json params;
kslicer::ApplyJsonToTemplate(templatesFolder / "z_trace_rchit.glsl", shaderPath / "z_trace_rchit.glsl", params);
kslicer::ApplyJsonToTemplate(templatesFolder / "z_trace_rmiss.glsl", shaderPath / "z_trace_rmiss.glsl", params);
kslicer::ApplyJsonToTemplate(templatesFolder / "z_trace_smiss.glsl", shaderPath / "z_trace_smiss.glsl", params);
buildSH << "glslangValidator -V --target-env vulkan1.2 -S rchit z_trace_rchit.glsl -o z_trace_rchit.glsl.spv" << std::endl;
buildSH << "glslangValidator -V --target-env vulkan1.2 -S rmiss z_trace_rmiss.glsl -o z_trace_rmiss.glsl.spv" << std::endl;
buildSH << "glslangValidator -V --target-env vulkan1.2 -S rmiss z_trace_smiss.glsl -o z_trace_smiss.glsl.spv" << std::endl;
}
buildSH.close();
}
std::string kslicer::GLSLCompiler::LocalIdExpr(uint32_t a_kernelDim, uint32_t a_wgSize[3]) const
{
if(a_kernelDim == 1)
return "gl_LocalInvocationID.x";
else if(a_kernelDim == 2)
{
std::stringstream strOut;
strOut << "gl_LocalInvocationID.x + " << a_wgSize[0] << "*gl_LocalInvocationID.y";
return strOut.str();
}
else if(a_kernelDim == 3)
{
std::stringstream strOut;
strOut << "gl_LocalInvocationID.x + " << a_wgSize[0] << "*gl_LocalInvocationID.y + " << a_wgSize[0]*a_wgSize[1] << "*gl_LocalInvocationID.z";
return strOut.str();
}
else
{
std::cout << " [GLSLCompiler::LocalIdExpr]: Error, bad kernelDim = " << a_kernelDim << std::endl;
return "gl_LocalInvocationID.x";
}
}
void kslicer::GLSLCompiler::GetThreadSizeNames(std::string a_strs[3]) const
{
a_strs[0] = "iNumElementsX";
a_strs[1] = "iNumElementsY";
a_strs[2] = "iNumElementsZ";
}
std::string kslicer::GLSLCompiler::GetSubgroupOpCode(const kslicer::KernelInfo::ReductionAccess& a_access) const
{
std::string res = "unknownSubgroup";
switch(a_access.type)
{
case KernelInfo::REDUCTION_TYPE::ADD_ONE:
case KernelInfo::REDUCTION_TYPE::ADD:
res = "subgroupAdd";
break;
case KernelInfo::REDUCTION_TYPE::SUB:
case KernelInfo::REDUCTION_TYPE::SUB_ONE:
res = "subgroupAdd";
break;
case KernelInfo::REDUCTION_TYPE::FUNC:
{
if(a_access.funcName == "min" || a_access.funcName == "std::min") res = "subgroupMin";
if(a_access.funcName == "max" || a_access.funcName == "std::max") res = "subgroupMax";
}
break;
case KernelInfo::REDUCTION_TYPE::MUL:
res = "subgroupMul";
break;
default:
break;
};
return res;
}
std::string kslicer::GLSLCompiler::GetAtomicImplCode(const kslicer::KernelInfo::ReductionAccess& a_access) const
{
std::string res = "unknownAtomic";
switch(a_access.type)
{
case KernelInfo::REDUCTION_TYPE::ADD_ONE:
case KernelInfo::REDUCTION_TYPE::ADD:
res = "atomicAdd";
break;
case KernelInfo::REDUCTION_TYPE::SUB:
case KernelInfo::REDUCTION_TYPE::SUB_ONE:
res = "atomicSub";
break;
case KernelInfo::REDUCTION_TYPE::FUNC:
{
if(a_access.funcName == "min" || a_access.funcName == "std::min") res = "atomicMin";
if(a_access.funcName == "max" || a_access.funcName == "std::max") res = "atomicMax";
}
break;
default:
break;
};
return res;
}
std::string kslicer::GLSLCompiler::ProcessBufferType(const std::string& a_typeName) const
{
std::string type = kslicer::CleanTypeName(a_typeName);
ReplaceFirst(type, "*", "");
if(type[type.size()-1] == ' ')
type = type.substr(0, type.size()-1);
return type;
}
std::string kslicer::GLSLCompiler::RewritePushBack(const std::string& memberNameA, const std::string& memberNameB, const std::string& newElemValue) const
{
return std::string("{ uint offset = atomicAdd(") + UBOAccess(memberNameB) + ", 1); " + memberNameA + "[offset] = " + newElemValue + ";}";
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////// GLSLFunctionRewriter ////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
std::unordered_map<std::string, std::string> kslicer::ListGLSLVectorReplacements()
{
std::unordered_map<std::string, std::string> m_vecReplacements;
m_vecReplacements["double2"] ="dvec2";
m_vecReplacements["double3"] ="dvec3";
m_vecReplacements["double4"] ="dvec4";
m_vecReplacements["float2"] = "vec2";
m_vecReplacements["float3"] = "vec3";
m_vecReplacements["float4"] = "vec4";
m_vecReplacements["int2"] = "ivec2";
m_vecReplacements["int3"] = "ivec3";
m_vecReplacements["int4"] = "ivec4";
m_vecReplacements["uint2"] = "uvec2";
m_vecReplacements["uint3"] = "uvec3";
m_vecReplacements["uint4"] = "uvec4";
m_vecReplacements["float4x4"] = "mat4";
m_vecReplacements["float3x3"] = "mat3";
m_vecReplacements["float2x2"] = "mat2";
m_vecReplacements["_Bool"] = "bool";
m_vecReplacements["unsigned int"] = "uint";
m_vecReplacements["unsigned"] = "uint";
m_vecReplacements["unsigned char"] = "uint8_t";
m_vecReplacements["unsigned short"] = "uint16_t";
m_vecReplacements["char"] = "int8_t";
m_vecReplacements["short"] = "int16_t";
m_vecReplacements["uchar"] = "uint8_t";
m_vecReplacements["ushort"] = "uint16_t";
m_vecReplacements["int32_t"] = "int";
m_vecReplacements["uint32_t"] = "uint";
m_vecReplacements["size_t"] = "uint64_t";
std::unordered_map<std::string, std::string> m_vecReplacementsConst;
for(auto r : m_vecReplacements)
m_vecReplacementsConst[std::string("const ") + r.first] = std::string("const ") + m_vecReplacements[r.first];
for(auto rc : m_vecReplacementsConst)
m_vecReplacements[rc.first] = rc.second;
return m_vecReplacements;
}
std::unordered_set<std::string> kslicer::ListPredefinedMathTypes()
{
auto types = kslicer::ListGLSLVectorReplacements();
std::unordered_set<std::string> res;
for(auto p : types)
{
res.insert(p.first);
res.insert(p.second);
};
res.insert("short");
res.insert("int");
res.insert("float");
res.insert("double");
return res;
}
std::string kslicer::CleanTypeName(const std::string& a_str)
{
if (a_str.empty())
return a_str;
std::string typeName = a_str;
ReplaceFirst(typeName, "const ", "");
ReplaceFirst(typeName, "const", ""); // for 'const*'
ReplaceFirst(typeName, "struct ", "");
ReplaceFirst(typeName, "class ", "");
ReplaceFirst(typeName, "&", "");
ReplaceFirst(typeName, "*", "");
auto posOfDD = typeName.find("::");
if(posOfDD != std::string::npos)
typeName = typeName.substr(posOfDD+2);
// remove spaces at the end
while(typeName[typeName.size()-1] == ' ')
typeName = typeName.substr(0, typeName.size()-1);
return typeName;
}
std::vector<std::pair<std::string, std::string> > SortByKeysByLen(const std::unordered_map<std::string, std::string>& a_map)
{
std::vector<std::pair<std::string, std::string> > res;
res.reserve(a_map.size());
for(auto p : a_map)
res.push_back(p);
std::sort(res.begin(), res.end(), [](auto& a, auto& b) { return a.first.size() > b.first.size(); });
return res;
}
kslicer::GLSLFunctionRewriter::GLSLFunctionRewriter(clang::Rewriter &R, const clang::CompilerInstance& a_compiler, kslicer::MainClassInfo* a_codeInfo, kslicer::ShittyFunction a_shit) : FunctionRewriter(R,a_compiler,a_codeInfo)
{
m_vecReplacements = kslicer::ListGLSLVectorReplacements();
m_vecReplacements2 = SortByKeysByLen(m_vecReplacements);
m_funReplacements["fmin"] = "min";
m_funReplacements["fmax"] = "max";
m_funReplacements["fminf"] = "min";
m_funReplacements["fmaxf"] = "max";
m_funReplacements["fsqrt"] = "sqrt";
m_funReplacements["sqrtf"] = "sqrt";
m_funReplacements["fabs"] = "abs";
m_funReplacements["to_float4"] = "vec4";
m_funReplacements["InterlockedAdd"] = "atomicAdd";
m_funReplacements["AtomicAdd"] = "atomicAdd";
m_shit = a_shit;
}
std::string kslicer::GLSLFunctionRewriter::RecursiveRewrite(const clang::Stmt* expr)
{
if(expr == nullptr)
return "";
auto old = expr;
while(clang::isa<clang::ImplicitCastExpr>(expr))
expr = clang::dyn_cast<clang::ImplicitCastExpr>(expr)->IgnoreImpCasts();
if(m_pKernelRewriter != nullptr) // we actually do kernel rewrite
{
std::string result = m_pKernelRewriter->RecursiveRewriteImpl(expr);
sFeatures = sFeatures || m_pKernelRewriter->GetShaderFeatures();
MarkRewritten(expr);
//MarkRewritten(old);
return result;
}
else
{
GLSLFunctionRewriter rvCopy = *this;
rvCopy.TraverseStmt(const_cast<clang::Stmt*>(expr));
sFeatures = sFeatures || rvCopy.sFeatures;
MarkRewritten(expr);
auto range = expr->getSourceRange();
auto p = rvCopy.m_workAround.find(GetHashOfSourceRange(range));
if(p != rvCopy.m_workAround.end())
return p->second;
else
{
std::string res = m_rewriter.getRewrittenText(range);
return (res != "") ? res : GetRangeSourceCode(range, m_compiler);
}
}
return "";
}
void kslicer::GLSLFunctionRewriter::ApplyDefferedWorkArounds()
{
// replace all work arounds if they were not processed
//
std::map<uint32_t, std::string> sorted;
{
for(const auto& pair : m_workAround)
sorted.insert(std::make_pair(uint32_t(pair.first & uint64_t(0xFFFFFFFF)), pair.second));
}
for(const auto& pair : sorted) // TODO: sort nodes by their rucursion depth or source location?
{
auto loc = clang::SourceLocation::getFromRawEncoding(pair.first);
clang::SourceRange range(loc, loc);
m_rewriter.ReplaceText(range, pair.second);
}
m_workAround.clear();
}
kslicer::ShaderFeatures kslicer::GetUsedShaderFeaturesFromTypeName(const std::string& a_str)
{
const bool isUshort = (a_str.find("short") != std::string::npos) || (a_str.find("ushort") != std::string::npos) ||
(a_str.find("uint16_t") != std::string::npos) || (a_str.find("int16_t") != std::string::npos);
const bool isByte = (a_str.find("char") != std::string::npos) || (a_str.find("uchar") != std::string::npos) || (a_str.find("unsigned char") != std::string::npos) ||
(a_str.find("uint8_t") != std::string::npos) || (a_str.find("int8_t") != std::string::npos);
const bool isInt64 = (a_str.find("long long int") != std::string::npos) ||
(a_str.find("uint64_t") != std::string::npos) || (a_str.find("int64_t") != std::string::npos);
const bool isFloat64 = (a_str.find("double") != std::string::npos);
std::string copy = a_str;
ReplaceFirst(copy, "const ", "");
while(ReplaceFirst(copy, " ", ""));
const bool isHalf = (copy == "half") || (copy == "half2") || (copy == "half3") || (copy == "half4");
kslicer::ShaderFeatures sFeatures;
sFeatures.useByteType = isByte;
sFeatures.useShortType = isUshort;
sFeatures.useInt64Type = isInt64;
sFeatures.useFloat64Type = isFloat64;
sFeatures.useHalfType = isHalf;
return sFeatures;
}
std::string kslicer::GLSLFunctionRewriter::RewriteStdVectorTypeStr(const std::string& a_str) const
{
const bool isConst = (a_str.find("const") != std::string::npos);
std::string copy = a_str;
ReplaceFirst(copy, "const ", "");
while(ReplaceFirst(copy, " ", ""));
auto sFeatures2 = kslicer::GetUsedShaderFeaturesFromTypeName(a_str);
sFeatures = sFeatures || sFeatures2;
std::string resStr;
std::string typeStr = kslicer::CleanTypeName(a_str);
ReplaceFirst(typeStr, "unsigned long", "uint");
ReplaceFirst(typeStr, "unsigned char", "uint8_t");
if(typeStr.size() > 0 && typeStr[typeStr.size()-1] == ' ')
typeStr = typeStr.substr(0, typeStr.size()-1);
if(typeStr.size() > 0 && typeStr[0] == ' ')
typeStr = typeStr.substr(1, typeStr.size()-1);
auto p = m_vecReplacements.find(typeStr);
if(p == m_vecReplacements.end())
resStr = typeStr;
else
resStr = p->second;
if(isConst)
resStr = std::string("const ") + resStr;
return resStr;
}
// process arrays: 'float[3] data' --> 'float data[3]'
std::string kslicer::GLSLFunctionRewriter::RewriteStdVectorTypeStr(const std::string& a_typeName, std::string& varName) const
{
auto typeNameR = a_typeName;
auto posArrayBegin = typeNameR.find("[");
auto posArrayEnd = typeNameR.find("]");
if(posArrayBegin != std::string::npos && posArrayEnd != std::string::npos)
{
varName = varName + typeNameR.substr(posArrayBegin, posArrayEnd-posArrayBegin+1);
typeNameR = typeNameR.substr(0, posArrayBegin);
}
return RewriteStdVectorTypeStr(typeNameR);
}
std::string kslicer::GLSLFunctionRewriter::RewriteImageType(const std::string& a_containerType, const std::string& a_containerDataType, kslicer::TEX_ACCESS a_accessType, std::string& outImageFormat) const
{
std::string result = "";
if(a_accessType == kslicer::TEX_ACCESS::TEX_ACCESS_READ)
result = "readonly ";
else if(a_accessType == kslicer::TEX_ACCESS::TEX_ACCESS_WRITE)
result = "writeonly ";
if(a_accessType != kslicer::TEX_ACCESS::TEX_ACCESS_SAMPLE)
{
const std::string dataTypeRewritten = RewriteStdVectorTypeStr(a_containerDataType);
if(dataTypeRewritten == "uint" || dataTypeRewritten == "uvec2" || dataTypeRewritten == "uvec4")
result += "u";
if(dataTypeRewritten == "int" || dataTypeRewritten == "ivec2" || dataTypeRewritten == "ivec4")
result += "i";
if(a_containerType == "Texture1D" || a_containerType == "Image1D")
{
result += "image1D";
}
else if(a_containerType == "Texture2D" || a_containerType == "Image2D")
{
result += "image2D";
}
else if(a_containerType == "Texture3D" || a_containerType == "Image3D")
{
result += "image3D";
}
// image Format qualifiers, post it to govnokod.ru
//
if(dataTypeRewritten == "float" || dataTypeRewritten == "int" || dataTypeRewritten == "uint" ||
dataTypeRewritten == "uint8_t" || dataTypeRewritten == "uint16_t")
{
outImageFormat = "r";
}
else if(dataTypeRewritten == "vec2" || dataTypeRewritten == "uvec2" || dataTypeRewritten == "ivec2")
{
outImageFormat = "rg";
}
else if(dataTypeRewritten == "vec4" || dataTypeRewritten == "uvec4" || dataTypeRewritten == "ivec4")
{
outImageFormat = "rgba";
}
if(dataTypeRewritten == "float" || dataTypeRewritten == "vec2" || dataTypeRewritten == "vec3" || dataTypeRewritten == "vec4")
outImageFormat += "32f"; // TODO: 16f ???
else if(dataTypeRewritten == "int" || dataTypeRewritten == "ivec2" || dataTypeRewritten == "ivec3" || dataTypeRewritten == "ivec4")
outImageFormat += "32i"; // TODO: 16i ???
else if(dataTypeRewritten == "uint" || dataTypeRewritten == "uvec2" || dataTypeRewritten == "uvec3" || dataTypeRewritten == "uvec4")
outImageFormat += "32ui"; // TODO: 16ui ???
}
else
{
if(a_containerType == "Texture1D" || a_containerType == "Image1D")
{
result += "sampler1D";
}
else if(a_containerType == "Texture2D" || a_containerType == "Image2D")
{
result += "sampler2D";
}
else if(a_containerType == "Texture3D" || a_containerType == "Image3D")
{
result += "sampler3D";
}
}
return result;
}
std::string kslicer::GLSLFunctionRewriter::VectorTypeContructorReplace(const std::string& fname, const std::string& callText)
{
auto p = m_vecReplacements.find(fname);
if(p == m_vecReplacements.end())
return std::string("make_") + fname + callText;
else
return p->second + callText;
}
bool kslicer::GLSLFunctionRewriter::NeedsVectorTypeRewrite(const std::string& a_str) // TODO: make this implementation more smart, bad implementation actually!
{
if(a_str.find("glm::") != std::string::npos)
return true;
std::string name2 = std::string("LiteMath::") + a_str;
bool need = false;
for(auto p = m_vecReplacements2.begin(); p != m_vecReplacements2.end(); ++p)
{
if(name2.find(p->first) != std::string::npos || a_str.find(p->first) != std::string::npos)
{
need = true;
break;
}
}
return need;
}
bool kslicer::GLSLFunctionRewriter::VisitArraySubscriptExpr_Impl(clang::ArraySubscriptExpr* arrayExpr)
{
if(m_shit.originalName == "")
return true;
clang::Expr* left = arrayExpr->getLHS();
clang::Expr* right = arrayExpr->getRHS();
const std::string leftText = kslicer::GetRangeSourceCode(left->getSourceRange(), m_compiler);
//const std::string rightText = kslicer::GetRangeSourceCode(right->getSourceRange(), m_compiler);
for(auto globalPointer : m_shit.pointers)
{
if(globalPointer.formal == leftText && WasNotRewrittenYet(right))
{
bool isBufferReferenceAccess = false;
auto pFound = m_codeInfo->allDataMembers.find(globalPointer.actual);
if(pFound != m_codeInfo->allDataMembers.end())
isBufferReferenceAccess = pFound->second.bindWithRef;
const std::string rightText = RecursiveRewrite(right);
std::string textRes;
if(isBufferReferenceAccess)
textRes = std::string("all_references.") + globalPointer.actual + "." + globalPointer.actual + "[" + rightText + " + " + leftText + "Offset]";
else
textRes = globalPointer.actual + "[" + rightText + " + " + leftText + "Offset]";
ReplaceTextOrWorkAround(arrayExpr->getSourceRange(), textRes); // process shitty global pointers
MarkRewritten(right);
break;
}
}
return true;
}
bool kslicer::GLSLFunctionRewriter::VisitUnaryExprOrTypeTraitExpr_Impl(clang::UnaryExprOrTypeTraitExpr* szOfExpr)
{
if(!clang::isa<clang::UnaryExprOrTypeTraitExpr>(szOfExpr))
return true;
const clang::UnaryExprOrTypeTraitExpr* SizeOf = clang::dyn_cast<clang::UnaryExprOrTypeTraitExpr>(szOfExpr);
if(SizeOf->getKind() != clang::UETT_SizeOf)
return true;
clang::QualType qt = SizeOf->getTypeOfArgument();
auto typeInfo = m_compiler.getASTContext().getTypeInfo(qt);
auto sizeInBytes = typeInfo.Width / 8;
if(WasNotRewrittenYet(szOfExpr))
{
std::stringstream str;
str << sizeInBytes;
ReplaceTextOrWorkAround(szOfExpr->getSourceRange(), str.str());
MarkRewritten(szOfExpr);
}
return true;
}
bool kslicer::GLSLFunctionRewriter::VisitCXXMemberCallExpr_Impl(clang::CXXMemberCallExpr* f)
{
return true;
}
bool kslicer::GLSLFunctionRewriter::VisitCXXOperatorCallExpr_Impl(clang::CXXOperatorCallExpr* expr)
{
std::string debugText = kslicer::GetRangeSourceCode(expr->getSourceRange(), m_compiler);
std::string op = kslicer::GetRangeSourceCode(clang::SourceRange(expr->getOperatorLoc()), m_compiler);
if(op == "[" || op == "]" || op == "[]")
{
const clang::Expr* nodes[3] = {nullptr,nullptr,nullptr};
Get2DIndicesOfFloat4x4(expr,nodes);
if(nodes[0] != nullptr)
{
std::string varName = RecursiveRewrite(nodes[0]);
std::string yText = RecursiveRewrite(nodes[1]);
std::string xText = RecursiveRewrite(nodes[2]);
std::string resVal = varName + "[" + yText + "][" + xText + "]";
ReplaceTextOrWorkAround(expr->getSourceRange(), resVal);
MarkRewritten(expr);
return true;
}
}
return FunctionRewriter::VisitCXXOperatorCallExpr_Impl(expr);
}
std::string kslicer::GLSLFunctionRewriter::RewriteFuncDecl(clang::FunctionDecl* fDecl)
{
std::string retT = RewriteStdVectorTypeStr(fDecl->getReturnType().getAsString());
std::string fname = fDecl->getNameInfo().getName().getAsString();
if(fname == "NextState")
{
int a = 2;
}
if(m_pCurrFuncInfo != nullptr && m_pCurrFuncInfo->hasPrefix) // alter function name if it has any prefix
if(fname.find(m_pCurrFuncInfo->prefixName) == std::string::npos)
fname = m_pCurrFuncInfo->prefixName + "_" + fname;
std::string result = retT + " " + fname + "(";
const bool shitHappends = (fname == m_shit.originalName);
if(shitHappends)
result = retT + " " + m_shit.ShittyName() + "(";
for(uint32_t i=0; i < fDecl->getNumParams(); i++)
{
const clang::ParmVarDecl* pParam = fDecl->getParamDecl(i);
const clang::QualType typeOfParam = pParam->getType();
std::string typeStr = typeOfParam.getAsString();
if(typeOfParam->isPointerType())
{
bool pointerToGlobalMemory = false;
if(shitHappends)
{
for(auto p : m_shit.pointers)
{
if(p.formal == pParam->getNameAsString() )
{
pointerToGlobalMemory = true;
break;
}
}
}
const auto originalText = kslicer::GetRangeSourceCode(pParam->getSourceRange(), m_compiler);
if(pointerToGlobalMemory)
result += std::string("uint ") + pParam->getNameAsString() + "Offset";
else if(originalText.find("[") != std::string::npos && originalText.find("]") != std::string::npos) // fixed size arrays
{
if(typeOfParam->getPointeeType().isConstQualified())
{
ReplaceFirst(typeStr, "const ", "");
result += originalText;
}
else
result += std::string("inout ") + originalText;
}
else
{
std::string paramName = pParam->getNameAsString();
ReplaceFirst(typeStr, "*", "");
if(typeOfParam->getPointeeType().isConstQualified())
{
ReplaceFirst(typeStr, "const ", "");
result += std::string("in ") + RewriteStdVectorTypeStr(typeStr) + " " + pParam->getNameAsString();
}
else
result += std::string("inout ") + RewriteStdVectorTypeStr(typeStr) + " " + pParam->getNameAsString();
}
}
else if(typeOfParam->isReferenceType())
{
if(typeOfParam->getPointeeType().isConstQualified())
{
if(typeStr.find("Texture") != std::string::npos || typeStr.find("Image") != std::string::npos)
{
auto dataType = typeOfParam.getNonReferenceType();
auto typeDecl = dataType->getAsRecordDecl();
if(typeDecl != nullptr && clang::isa<clang::ClassTemplateSpecializationDecl>(typeDecl))
{
std::string containerType, containerDataType;
auto specDecl = clang::dyn_cast<clang::ClassTemplateSpecializationDecl>(typeDecl);
kslicer::SplitContainerTypes(specDecl, containerType, containerDataType);
ReplaceFirst(containerType, "Texture", "sampler");
ReplaceFirst(containerType, "Image", "sampler");
result += std::string("in ") + containerType + " " + pParam->getNameAsString();
}
else
result += std::string("in ") + dataType.getAsString() + " " + pParam->getNameAsString();
}
else
{
ReplaceFirst(typeStr, "const ", "");
result += std::string("in ") + RewriteStdVectorTypeStr(typeStr) + " " + pParam->getNameAsString();
}
}
else
{
std::string typeStr2 = typeOfParam->getPointeeType().getAsString();
if(m_codeInfo->megakernelRTV && (typeStr.find("Texture") != std::string::npos || typeStr.find("Image") != std::string::npos))
{
result += std::string("uint a_dummyOf") + pParam->getNameAsString();
}
else
result += std::string("inout ") + RewriteStdVectorTypeStr(typeStr2) + " " + pParam->getNameAsString();
}
}
else
result += RewriteStdVectorTypeStr(typeStr) + " " + pParam->getNameAsString();
if(i!=fDecl->getNumParams()-1)
result += ", ";
}
return result + ") ";
}
bool kslicer::GLSLFunctionRewriter::VisitFunctionDecl_Impl(clang::FunctionDecl* fDecl)
{
if(clang::isa<clang::CXXMethodDecl>(fDecl)) // ignore methods here, for a while ...
return true;
if(WasNotRewrittenYet(fDecl->getBody()))
{
RewrittenFunction done = RewriteFunction(fDecl);
const auto hash = GetHashOfSourceRange(fDecl->getBody()->getSourceRange());
if(m_codeInfo->m_functionsDone.find(hash) == m_codeInfo->m_functionsDone.end())
m_codeInfo->m_functionsDone[hash] = done;
MarkRewritten(fDecl->getBody());
}
return true;
}
bool kslicer::GLSLFunctionRewriter::VisitMemberExpr_Impl(clang::MemberExpr* expr)
{
if(expr->isArrow() && WasNotRewrittenYet(expr->getBase()) )
{
const auto exprText = kslicer::GetRangeSourceCode(expr->getSourceRange(), m_compiler);
const std::string lText = exprText.substr(exprText.find("->")+2);
const std::string rText = RecursiveRewrite(expr->getBase());
ReplaceTextOrWorkAround(expr->getSourceRange(), rText + "." + lText);
MarkRewritten(expr->getBase());
}
return true;
}
bool kslicer::GLSLFunctionRewriter::VisitUnaryOperator_Impl(clang::UnaryOperator* expr)
{
const auto op = expr->getOpcodeStr(expr->getOpcode());
if((op == "*" || op == "&") && WasNotRewrittenYet(expr->getSubExpr()) )
{
std::string text = RecursiveRewrite(expr->getSubExpr());
ReplaceTextOrWorkAround(expr->getSourceRange(), text);
MarkRewritten(expr->getSubExpr());
}
return true;
}
std::string kslicer::GLSLFunctionRewriter::CompleteFunctionCallRewrite(clang::CallExpr* call)
{
std::string rewrittenRes = "";
for(unsigned i=0;i<call->getNumArgs(); i++)
{
rewrittenRes += RecursiveRewrite(call->getArg(i));
if(i!=call->getNumArgs()-1)
rewrittenRes += ", ";
}
rewrittenRes += ")";
return rewrittenRes;
}
bool kslicer::GLSLFunctionRewriter::VisitCallExpr_Impl(clang::CallExpr* call)
{
if(clang::isa<clang::CXXMemberCallExpr>(call) || clang::isa<clang::CXXConstructExpr>(call)) // process CXXMemberCallExpr else-where
return true;
clang::FunctionDecl* fDecl = call->getDirectCallee();
if(fDecl == nullptr)
return true;
const std::string debugText = GetRangeSourceCode(call->getSourceRange(), m_compiler);
const std::string fname = fDecl->getNameInfo().getName().getAsString();
///////////////////////////////////////////////////////////////////////
std::string makeSmth = "";
if(fname == "make_float3x3_by_columns") // mat3(a,b,c) == make_float3x3_by_columns(a,b,c)
makeSmth = "float3x3";
else if(fname == "make_float3x3") // don't change it!
;
else if(fname.substr(0, 5) == "make_")
makeSmth = fname.substr(5);
auto pVecMaker = m_vecReplacements.find(makeSmth);
///////////////////////////////////////////////////////////////////////
auto pFoundSmth = m_funReplacements.find(fname);