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glamor: Bail CreatePixmap on unsupported pixmap depth

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Fixes crash in that case.

Bugzilla: https://bugs.freedesktop.org/106293
(Ported from radeon commit 65c9dfea4e841b7d6f795c7489fede58c5e9631f)
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Michel Dänzer
2018-07-10 18:11:04 +02:00
committed by Michel Dänzer
parent c160302abc
commit ace6ea016c
1 changed files with 3 additions and 0 deletions
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3
src/amdgpu_glamor.c
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@@ -185,6 +185,9 @@ amdgpu_glamor_create_pixmap(ScreenPtr screen, int w, int h, int depth,
struct amdgpu_pixmap *priv;
PixmapPtr pixmap, new_pixmap = NULL;
if (!xf86GetPixFormat(scrn, depth))
return NULL;
if (!AMDGPU_CREATE_PIXMAP_SHARED(usage)) {
if (info->shadow_primary) {
if (usage != CREATE_PIXMAP_USAGE_BACKING_PIXMAP)