Neil Roberts 9e1bb31922 Use GL_NEAREST filter in the draw-and-read get_data texture fallback
The fallback for when glGetTexImage is not available renders the
texture to the framebuffer to read the data using glReadPixels. This
patch just sets the COGL_MATERIAL_FILTER_NEAREST filter mode on the
material before rendering to avoid linear filtering which would alter
the texture data.
2010-07-09 11:14:15 +01:00
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