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st/xorg: fix a rare video crash

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sometimes dst isn't present if a window is in a middle of a resize, stop
crashing in those cases and just ignore a frame.
This commit is contained in:
Zack Rusin
2010-01-11 18:03:49 -05:00
parent 61f7252448
commit 3447d545d9
1 changed files with 2 additions and 1 deletions
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src/gallium/state_trackers/xorg/xorg_xv.c
+2 -1
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@@ -486,7 +486,7 @@ display_video(ScrnInfoPtr pScrn, struct xorg_xv_port_priv *pPriv, int id,
Bool hdtv;
int x, y, w, h;
struct exa_pixmap_priv *dst = exaGetPixmapDriverPrivate(pPixmap);
struct pipe_surface *dst_surf = xorg_gpu_surface(pPriv->r->pipe->screen, dst);
struct pipe_surface *dst_surf = NULL;
if (dst && !dst->tex) {
xorg_exa_set_shared_usage(pPixmap);
@@ -496,6 +496,7 @@ display_video(ScrnInfoPtr pScrn, struct xorg_xv_port_priv *pPriv, int id,
if (!dst || !dst->tex)
XORG_FALLBACK("Xv destination %s", !dst ? "!dst" : "!dst->tex");
dst_surf = xorg_gpu_surface(pPriv->r->pipe->screen, dst);
hdtv = ((src_w >= RES_720P_X) && (src_h >= RES_720P_Y));
REGION_TRANSLATE(pScrn->pScreen, dstRegion, -pPixmap->screen_x,