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How do I bypass OpenGL matrix transformations and send 2D coordinates directly for rasterization?

April 26, 2017bypass coordinates directly matrix OpenGL rasterization send transformations

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How do I bypass OpenGL matrix transformations and send 2D coordinates directly for rasterization?

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There isn’t a mode switch to disable OpenGL matrix transformations. However, if you set either or both matrices to the identity with a glLoadIdentity() call, typical OpenGL implementations are intelligent enough to know that an identity transformation is a no-op and will act accordingly.