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savedbygamesandcodes

OpenGL Do OpenGL matrix process functions have hardware matrix transform?

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As far as I know, most of the HW will do these operations on CPU. I'd like to hear if there is any implementation which actually uses some sort of special HW for this.

This isn't the first time I hear this question / assertion. Could somebody enlighten me and tell where it comes from.

Best regards

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There would be no benefit to doing matrix stack multiplications on the GPU. The CPU has better single-threaded floating-point performance (which is what is needed) than the GPU does, and doing it on the GPU would increase the amount of data which would need to be transfered back and forth.

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