public void GenerateIds(ShaderLibrary library, TypeDependencyCollector typeCollector)
{
foreach (var extLibraryImport in typeCollector.mReferencedExtensionLibraryImports)
{
GenerateIds(extLibraryImport);
}
foreach (var ir in typeCollector.mReferencedTypesConstantsAndGlobals)
{
GenerateIds(ir);
}
foreach (var function in typeCollector.mReferencedFunctions)
{
GenerateIds(function);
}
}
public void Write(SpirVStreamWriter writer, ShaderLibrary library, FrontEndTranslator frontEnd)
{
mWriter = writer;
mLibrary = library;
mFrontEnd = frontEnd;
mTypeCollector = new TypeDependencyCollector(mLibrary);
mTypeCollector.VisitLibrary();
CreateDummyEntryPoint();
IdGenerator.GenerateIds(mLibrary, mTypeCollector);
WriteHeader();
WriteDebugInstructions();
WriteDecorations();
WriteTypesConstantsAndGlobals();
WriteTypeFunctions();
}
public void CreateDummyEntryPoint(TypeDependencyCollector typeCollector, ShaderLibrary library, FrontEndTranslator frontEnd)
{
var unitTestTypes = new List <ShaderType>();
foreach (var ir in typeCollector.mReferencedTypesConstantsAndGlobals)
{
if (ir is ShaderType type)
{
if (type.mMeta.mAttributes.Contains("UnitTest") && type.mEntryPoints.Count == 0)
{
unitTestTypes.Add(type);
}
}
}
foreach (var type in unitTestTypes)
{
CreateDummyEntryPoint(typeCollector, library, frontEnd, type);
}
}
public void CreateDummyEntryPoint(TypeDependencyCollector typeCollector, ShaderLibrary library, FrontEndTranslator frontEnd, ShaderType shaderType)
{
var context = new FrontEndContext();
context.mCurrentType = shaderType;
if (shaderType.mEntryPoints.Count != 0)
{
return;
}
ShaderEntryPointInfo entryPoint = null;
if (shaderType.mFragmentType == FragmentType.Pixel || shaderType.mFragmentType == FragmentType.None)
{
entryPoint = EntryPointGeneration.GeneratePixel(frontEnd, shaderType, null);
}
else if (shaderType.mFragmentType == FragmentType.Vertex)
{
entryPoint = EntryPointGeneration.GenerateVertex(frontEnd, shaderType, null);
}
typeCollector.Visit(entryPoint);
}