Hash :
1a144edf
Author :
Date :
2022-04-13T17:15:29
Metal:ReadPixels AMD Copy Texture to Buffer optimization On AMD GPUs it's faster to copy a texture to a buffer for read back than to read via a texture. For reading from a normal texture 24-27ms -> 6-9ms For reading from a IOSurface texture 17-20ms -> 7-10ms Bug: angleproject:7117 Change-Id: I7c7f276a3121e87f5c52a1a4287d13203a6b1b37 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3584423 Reviewed-by: Kenneth Russell <kbr@chromium.org> Reviewed-by: Kyle Piddington <kpiddington@apple.com> Commit-Queue: Gregg Tavares <gman@chromium.org>