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Another GPU friendly approach is mixing with blue noise. I used it in a display driver with XRGB8888 framebuffer and Y2 pixels, and it worked great.
by rsaxvc 3y ago
Another GPU friendly approach is mixing with blue noise. I used it in a display driver with XRGB8888 framebuffer and Y2 pixels, and it worked great.
- quag 3y agoWhen generating images also mix in a little blue noise to avoid banding effects. A simple lookup table goes a long way. I found it worked much better than adding uniformly random noise (white noise) to each pixel.