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Diffstat (limited to 'nx-X11/programs/Xserver/hw/nxagent/Render.c')
-rw-r--r--nx-X11/programs/Xserver/hw/nxagent/Render.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/nx-X11/programs/Xserver/hw/nxagent/Render.c b/nx-X11/programs/Xserver/hw/nxagent/Render.c
index 6c74c147f..29bffaa35 100644
--- a/nx-X11/programs/Xserver/hw/nxagent/Render.c
+++ b/nx-X11/programs/Xserver/hw/nxagent/Render.c
@@ -1095,8 +1095,9 @@ void nxagentComposite(CARD8 op, PicturePtr pSrc, PicturePtr pMask, PicturePtr pD
}
}
- if (pMask != NULL && pMask -> pDrawable != pSrc -> pDrawable &&
- pMask -> pDrawable != pDst -> pDrawable)
+ if (pMask != NULL && pMask -> pDrawable != NULL &&
+ pMask -> pDrawable != pSrc -> pDrawable &&
+ pMask -> pDrawable != pDst -> pDrawable)
{
nxagentSynchronizeShmPixmap(pMask -> pDrawable, xMask, yMask, width, height);
@@ -1259,7 +1260,8 @@ void nxagentGlyphs(CARD8 op, PicturePtr pSrc, PicturePtr pDst,
* on the real X server.
*/
- if (nxagentDrawableStatus(pSrc -> pDrawable) == NotSynchronized)
+ if (pSrc -> pDrawable != NULL &&
+ nxagentDrawableStatus(pSrc -> pDrawable) == NotSynchronized)
{
#ifdef TEST
fprintf(stderr, "nxagentGlyphs: Synchronizing source [%s] at [%p].\n",
@@ -1749,7 +1751,8 @@ FIXME: Is this useful or just a waste of bandwidth?
return;
}
- if (nxagentDrawableStatus(pSrc -> pDrawable) == NotSynchronized)
+ if (pSrc -> pDrawable != NULL &&
+ nxagentDrawableStatus(pSrc -> pDrawable) == NotSynchronized)
{
#ifdef TEST
fprintf(stderr, "nxagentTrapezoids: Going to synchronize the source drawable at [%p].\n",
@@ -1843,7 +1846,8 @@ void nxagentTriangles(CARD8 op, PicturePtr pSrc, PicturePtr pDst,
* operation like nxagentTrapezoids() does.
*/
- if (nxagentDrawableStatus(pSrc -> pDrawable) == NotSynchronized)
+ if (pSrc -> pDrawable != NULL &&
+ nxagentDrawableStatus(pSrc -> pDrawable) == NotSynchronized)
{
#ifdef TEST
fprintf(stderr, "nxagentTriangles: Going to synchronize the source drawable at [%p].\n",
@@ -1920,7 +1924,8 @@ void nxagentTriStrip(CARD8 op, PicturePtr pSrc, PicturePtr pDst,
* operation like nxagentTrapezoids() does.
*/
- if (nxagentDrawableStatus(pSrc -> pDrawable) == NotSynchronized)
+ if (pSrc -> pDrawable != NULL &&
+ nxagentDrawableStatus(pSrc -> pDrawable) == NotSynchronized)
{
#ifdef TEST
fprintf(stderr, "nxagentTriStrip: Going to synchronize the source drawable at [%p].\n",
@@ -1997,7 +2002,8 @@ void nxagentTriFan(CARD8 op, PicturePtr pSrc, PicturePtr pDst,
* operation like nxagentTrapezoids() does.
*/
- if (nxagentDrawableStatus(pSrc -> pDrawable) == NotSynchronized)
+ if (pSrc -> pDrawable != NULL &&
+ nxagentDrawableStatus(pSrc -> pDrawable) == NotSynchronized)
{
#ifdef TEST
fprintf(stderr, "nxagentTriFan: Going to synchronize the source drawable at [%p].\n",