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Øyvind "pippin" Kolås authored
When using gegl_buffer_get / gegl_buffer_set and gegl_buffer_sample for small/1x1px sized rectangles the overhead of each involved function call amounts to more than 2% of time spend processing. This refactoring involves moving gegl_buffer_sample from gegl-buffer.c to gegl-sampler.c to make them live in the same compilation unit. Replacing internal nested chains of function calls with added complexity with an inlinable implementation using switches.
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