On 07/21/13 14:49, Jack wrote: > You have two possibilities to do that : > 1) Use [pix_snap] to capture a part of the frame buffer and then apply > [pix_scanline]. This method is the simplest but could be slow for your > hardware. > 2) Use [gemframebuffer] to render off-screen and convert this > framebuffer into texture. Then use shaders (GLSL) to perform a > [pix_scanline] like. Try this method if the first is too slow.
btw, you might want to use [gemframebuffer] for method #1 as well, so the to-be-processed scene does not get in the way of the finally displayed scene. fgmadsr IOhannes
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