int ufoProcessIsObeyMatteDirty( ufoProcess process_instance);
ufoProcessIsObeyMatteDirty inquires if the obey matte raster input is dirty.
An input is not dirty if it has not changed since the last render and its dirty status was reset with ufoProcessResetObeyMatteDirty.
A value of 1 is returned if the obey matte raster is dirty or 0 if it is not dirty.
May be called within ufoProcessRenderPixel, ufoProcessRenderLine, ufoProcessRenderRectangle, ufoProcessCanAvoidRendering, ufoProcessPreRender, ufoProcessPostRender, ufoProcessPreRenderPass, ufoProcessPostRenderPass, ufoProcessCalcDefinedRectangle, and ufoProcessCalcNeedRectangles.
Autodesk Softimage v7.5