bool mrShaderFilter::ValidateReturnType(ClassDesc& classDesc) {
SClass_ID superClassID = classDesc.SuperClassID();
if(superClassID == MATERIAL_CLASS_ID) {
// Validate if we want a TYPE_MTL return type
//return ValidType(TYPE_MTL);
// Do not validate types for materials. Only use the apply type for validatoin.
return true;
}
else if(superClassID == TEXMAP_CLASS_ID) {
imrShaderClassDesc* shaderClassDesc = Get_mrShaderClassDesc(&classDesc);
if(shaderClassDesc == NULL) {
// Assume that the texture returns a color
return ValidType(static_cast<ParamType2>(TYPE_RGBA));
}
else {
// Go through the results structure
ParamBlockDesc2* pbDesc = shaderClassDesc->GetResultPBDesc();
if((pbDesc != NULL) && ValidateReturnType(*pbDesc)) {
return true;
}
// Go through the sub-structures, is allowed
if(m_acceptStructs) {
Tab<ParamBlockDesc2*>& resultDescs = shaderClassDesc->GetResultPBDescs();
int count = resultDescs.Count();
for(int i = 0; i < count; ++i) {
ParamBlockDesc2* pbDesc = resultDescs[i];
if((pbDesc != NULL) && ValidateReturnType(*pbDesc)) {
return true;
}
}
}
return false;
}
}
else {
// Shouldn't occur
DbgAssert(false);
return false;
}
}
bool mrShaderFilter::Include(ClassDesc& classDesc, DWORD flags) {
// [dl | 20may2003] Disregard the 'mr extensions active' flag.
/*
// If this is a mental ray shader, then never include it if the mental ray
// custom attributes are not active.
imrShaderClassDesc* shaderClassDesc = Get_mrShaderClassDesc(&classDesc);
imrShaderTranslation_ClassInfo* customClassInfo = Get_imrShaderTranslation_ClassInfo(classDesc);
if((shaderClassDesc != NULL) || (customClassInfo != NULL)) {
imrPreferences* prefs = GetMRPreferences();
if((prefs != NULL) && !prefs->GetMRExtensionsActive()) {
return false;
}
}
*/
return (ValidateApplyType(classDesc) && ValidateReturnType(classDesc));
}
bool mrShaderFilter::Include(ClassDesc& classDesc, DWORD flags)
{
return (ValidateApplyType(classDesc) && ValidateReturnType(classDesc));
}
