Optimizing GLES2.0 Shaders : The case of scale2x on PowerVR SGX 530
From >200ms down to a usable 30ms. OpenPandora forum user sebt3 started testing out scaling filter shaders on the SGX530 for use the OpenPandora console, the first working version ended up way too slow to be of any use. Another forum user, FSO, improved the speed a bit (160ms to 180ms per frame). I asked…
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