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| author | Carl Worth <cworth@cworth.org> | 2009-09-21 13:50:09 -0700 |
|---|---|---|
| committer | Carl Worth <cworth@cworth.org> | 2009-09-21 15:46:51 -0700 |
| commit | 505025053d66d415e1c23ac858b9238fa8541d37 (patch) | |
| tree | 490d9f3c1446f72a0cc73b8dde658cf60dc2c3ff /src/i830_render.c | |
| parent | b4d29452b929a3ef224d3625e4bc66b787c5edb7 (diff) | |
8xx: Fallback for any non-affine transformation.
There are definitely bugs in the 8xx code dealing with non-affine
transformations. Disable that code for now to get things working.
Fixes bug #22947 ([855GM, xf86-video-intel-2.8.0] "Freeze" when RENDER extension is being used)
Diffstat (limited to 'src/i830_render.c')
| -rw-r--r-- | src/i830_render.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/i830_render.c b/src/i830_render.c index b9bbbdbe..8213e296 100644 --- a/src/i830_render.c +++ b/src/i830_render.c @@ -390,6 +390,17 @@ i830_check_composite(int op, PicturePtr pSrcPicture, PicturePtr pMaskPicture, if (!i830_get_dest_format(pDstPicture, &tmp1)) I830FALLBACK("Get Color buffer format\n"); + /* There exists some code to handle non-affine transformations for + * 8xx, but from what we can tell, it just isn't correct. (An easy + * testcase is to run enlightenemt (e17), click the "e", then + * "settings", "settings panel", "advanced", "engine", and finally + * "XRender" and "Apply". After doing that, moving any window causes + * a GPU hang. */ + if (!i830_transform_is_affine(pSrcPicture->transform) || + !i830_transform_is_affine(pDstPicture->transform) || + (pMaskPicture && !i830_transform_is_affine (pMaskPicture->transform))) + I830FALLBACK("Non-affine transformation\n"); + return TRUE; } |