i915: Fix overlapping CopyPixels with negative pixel zoom.
authorEric Anholt <eric@anholt.net>
Mon, 22 Sep 2008 01:26:45 +0000 (18:26 -0700)
committerEric Anholt <eric@anholt.net>
Tue, 23 Sep 2008 20:31:12 +0000 (13:31 -0700)
commit15487e46a29377edc7ceceefabe9977f992ae01c
tree7fce22ad50af825fc771e98b279249778f2c8592
parentb9532f078a2fbf459b0403b6f656711f80ff83c2
i915: Fix overlapping CopyPixels with negative pixel zoom.

Fixes a failure in pixel-pos.c oglconform test.
src/mesa/drivers/dri/intel/intel_pixel_copy.c