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This optimization will only call glReadPixels once. It should get some performance gain. But it seems it even get worse performance at SNB, disable it by default. Signed-off-by: Zhigang Gong <zhigang.gong@linux.intel.com>
42a0261c
This optimization will only call glReadPixels once. It should get
some performance gain. But it seems it even get worse performance
at SNB, disable it by default.
Signed-off-by: Zhigang Gong <zhigang.gong@linux.intel.com>