+int NativeImageSource::GetTextureTarget() const
+{
+ return 0;
+}
+
+const char* NativeImageSource::GetCustomFragmentPrefix() const
+{
+ return "";
+}
+
+const char* NativeImageSource::GetCustomSamplerTypename() const
+{
+ return "";
+}
+
+Any NativeImageSource::GetNativeImageHandle() const
+{
+ return nullptr;
+}
+
+bool NativeImageSource::SourceChanged() const
+{
+ return false;
+}
+