Chad Versace <chad.vers...@linux.intel.com> writes: > This patch reduces the time spent in glTexImage and glTexSubImage by > over 5x on Sandybridge for the workload described below. > > It adds a new fast path for glTexImage2D and glTexSubImage2D, > intel_texsubimage_tiled_memcpy, which is optimized for Google Chrome's > paint rectangles. The fast path is implemented only for 2D GL_BGRA > textures for chipsets with a LLC.
Acked-by: Eric Anholt <e...@anholt.net> (I reviewed parts of v2, but not the actual math in the loop)
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