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Jaswant Panchumarti (Kitware) authored
- The alternative draw functions accept a cache identifier and vtkDataArray instances instead of raw pointers. - The graphics implementation will associate the vtkDataArray(s) with the cache identifier, so that any pre-existing graphics objects can be retrieved during subsequent frames if the vtkDataArray(s) have not changed. - This API is available only for DrawPoints, DrawMarkers, DrawPointSprites and DrawTriangleMesh. - The other Draw functions cannot use caching because new primitives are generated in temporary C++ vectors just before the draw call. - Add timer events around glDrawArrays
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