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Problem encounted when deal with 2D Graphics.

Question asked by laozhou on May 28, 2013
Latest reply on May 29, 2013 by himanshu18july


     now I want to use  GL_ADI_clear_all_primitives()  to clear my previous drawn work, can it clear the specific buffer? that is ,I have two overlay buffer,pingOverlayBuffer and pongOverlayBuffer, if I am going the draw in the pingOverlayBuffer ,I will clear the pongOverlay first.And  I have some welcome message. this message will not change, is it possible for the  GL_ADI_clear_all_primitives()  not clear the welcome messege so that i will call the welcome message function only once instead of called it repeatly. Thanks.