PrGPUFilter Function Table

PrGPUFilter is a structure consisting of the following functions that a effect/transition can implement.

Selector	Optional	Description
CreateInstance	No	Allocate and initialize any GPU resources.
DisposeInstance	No	Release GPU resources.
GetFrameDependencies	Yes	If the rendered result of the effect/transition depends on frames other than the input frame, specify these here.
PreCompute	Yes	Precompute.
Render	No	Render.