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scottrick49

OpenGL rendering glitch

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Hi, I'm working on an AR project on android, using OpenGL. For some reason, on one particular phone, drawing a textured quad is 'glitching' and looks terrible. Its hard to describe; the quad is drawn overhead, and depending on the orientation of the camera, it will either draw correctly, or draw with triangular sections missing, as you can see in this screenshot: http://www.tc.umn.edu/~atki0090/graphics_glitch.png correct: http://www.tc.umn.edu/~atki0090/normal.png My guess is that I am incorrectly configuring opengl on this device, but I am not sure at all what I am setting incorrectly, as I've never seen an artifact like this before. Does anybody have an idea what could cause this?

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Is that one giant quad or is it comprised of several polys? It looks almost like it's being improperly clipped.

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