andreacavalli/xserver-multidpi
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Need to check pixmap priv before touch its field.

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As now the pixmap may be allocated by DDX and doesn't have a
valid pixmap private field. We must check pixmap private
pointer before touch its field value. If a pixmap doesn't
have a non-NULL private pointer, it doesn't have a valid
FBO.

Signed-off-by: Zhigang Gong <zhigang.gong@linux.intel.com>
This commit is contained in:
Zhigang Gong 2012-01-04 13:11:52 +08:00 committed by Eric Anholt
parent 9264335347
commit 8a4758a358
1 changed files with 1 additions and 1 deletions
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glamor/glamor_utils.h
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@ -176,7 +176,7 @@ glamor_transform_boxes(BoxPtr boxes, int nbox, int dx, int dy)
#define GLAMOR_PIXMAP_PRIV_IS_PICTURE(pixmap_priv) (pixmap_priv->is_picture == 1)
#define GLAMOR_PIXMAP_PRIV_HAS_FBO(pixmap_priv) (pixmap_priv->gl_fbo == 1)
#define GLAMOR_PIXMAP_PRIV_HAS_FBO(pixmap_priv) (pixmap_priv && pixmap_priv->gl_fbo == 1)
#define GLAMOR_PIXMAP_PRIV_NEED_VALIDATE(pixmap_priv) \
(GLAMOR_PIXMAP_PRIV_HAS_FBO(pixmap_priv) \