public static ShaderOp GenerateInterfaceStructAndOp(FrontEndTranslator translator, List <ShaderInterfaceField> interfaceFields, TypeName structName, string instanceName, StorageClass storageClass)
{
var interfaceStruct = translator.FindType(new TypeKey(structName));
// Generate the interface struct if it doesn't already exist (uniform buffers already exist)
if (interfaceStruct == null)
{
interfaceStruct = translator.CreateType(new TypeKey(structName), structName, OpType.Struct, null);
foreach (var interfaceField in interfaceFields)
{
interfaceStruct.mFields.Add(interfaceField.ShaderField);
}
}
var opPointerType = translator.FindOrCreatePointerType(new TypeKey(structName), structName, storageClass);
var op = translator.CreateOp(OpInstructionType.OpVariable, opPointerType, null);
ShaderInterfaceField.InstanceAccessDelegate fieldInstanceGetFunction = (FrontEndTranslator translator, ShaderInterfaceField interfaceField, FrontEndContext context) =>
{
return(translator.GenerateAccessChain(op, interfaceField.ShaderField.mMeta.mName, context));
};
foreach (var interfaceField in interfaceFields)
{
interfaceField.GetInstance = fieldInstanceGetFunction;
}
op.DebugInfo.Name = instanceName;
return(op);
}
public static void GenerateInterfaceGlobalFields(FrontEndTranslator translator, List <ShaderInterfaceField> interfaceFields, string structName, string instanceName, StorageClass storageClass)
{
foreach (var interfaceField in interfaceFields)
{
var fieldPointerType = translator.FindOrCreatePointerType(interfaceField.ShaderField.mType, storageClass);
var fieldOp = translator.CreateOp(OpInstructionType.OpVariable, fieldPointerType, null);
ShaderInterfaceField.InstanceAccessDelegate fieldInstanceGetFunction = (FrontEndTranslator translator, ShaderInterfaceField interfaceField, FrontEndContext context) =>
{
return(fieldOp);
};
fieldOp.DebugInfo.Name = interfaceField.ShaderField.DebugInfo.Name;
interfaceField.GetInstance = fieldInstanceGetFunction;
}
}
public static void GenerateHardwareBuiltIns(FrontEndTranslator translator, ShaderInterfaceSet interfaceSet, StorageClass storageClass, ShaderBlock declarationBlock, ShaderBlock decorationsBlock)
{
foreach (var builtInInterfaceField in interfaceSet)
{
var pointerType = translator.FindOrCreatePointerType(builtInInterfaceField.ShaderField.mType, storageClass);
var fieldInstanceOp = translator.CreateOp(OpInstructionType.OpVariable, pointerType, null);
declarationBlock.mLocalVariables.Add(fieldInstanceOp);
Decorations.AddDecorationBuiltIn(translator, fieldInstanceOp, builtInInterfaceField.BuiltInType, decorationsBlock);
ShaderInterfaceField.InstanceAccessDelegate fieldInstanceGetFunction = (FrontEndTranslator translator, ShaderInterfaceField interfaceField, FrontEndContext context) =>
{
return(fieldInstanceOp);
};
builtInInterfaceField.GetInstance = fieldInstanceGetFunction;
}
}
