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Brian Paul authored
Some apps issue redundant glLoadMatrixf() calls with the same matrix. Try to avoid setting dirty state in that situation. This reduces the number of constant buffer updates by about half in ET Quake Wars. Tested with Piglit, ETQW, Sauerbraten, Google Earth, etc. Reviewed-by: Charmaine Lee <charmainel@vmware.com> Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
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