FxHostResourcesAPI protocol defines methods that the host application implements to allocate and track resources.
These methods allow the host to allocate resources such as memory, OpenGL textures, and
PBuffers, and allows the host application to spawn threads to do work for a plug-in.
Frees a block of memory allocated with -allocateMemory:clear:clearWith:error:
Available Processing Cores
FxHostResourcesClient protocol defines methods that plug-ins implement if they want the host application to request that the plug-in free memory in low-memory situations.