On Tue, 22 Jun 2010 18:37:46 +0100, Simon Farnsworth <simon.farnswo...@onelan.com> wrote: > Hello Kristian, > > Your commit: > commit c7c64d97836c71eaf2ee3fc6d384877170b8c844 > Author: Kristian Høgsberg <k...@bitplanet.net> > Date: Tue Jun 1 14:33:43 2010 -0400 > > intel: Fallback to meta if we're asked to CopyTexImage2D from RGB to RGBA > > The pixel transfer rules state that we must set alpha to 1.0 in this case > which we can't easily do with the blitter. We can do to passes: one that > sets the alpha to 0xff and one that copies the RGB bits or we can just > use the 3D engine. Neither approach seems worth it for this case. > > has broken my use of Mesa to snapshot the display using an FBO. In my code, I > do (where width and height are the size of the screen, snapshot_width and > snapshot_height are the target size of my snapshot):
This commit I think is also the one that killed openarena high-settings performance on my 945. (possibly other chipsets too)
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