On Tuesday 13 December 2005 09:28, Stefan Dösinger wrote: > Am Dienstag, 13. Dezember 2005 04:25 schrieb Aric Cyr: > > What is slow with ATI cards? It seems that you should only need basic 3D > > acceleration to do what you propose. Is fglrx missing something that > > would be required for 2D rendering? > > Texture upload is very slow. glReadPixels, glWritePixels and friends take > ages. That means that blt, Lock, and Unlock is really slow. > There is some hope at least: Xine and Mplayer can play videos over OpenGL > really fast, maybe we can find out how they do it.
for glReadPixels, glWritePixels you can use the frame buffer object extension (or/with pbuffers) :) Keep your Good work > Stefan Regards, Raphael
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