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glx: Invalidate buffers after binding a drawable

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If the server doesn't send invalidate events, we may miss a
resize before the rendering starts.  Invalidate the buffers now
so the driver will recheck before rendering starts.

https://bugs.freedesktop.org/show_bug.cgi?id=29984
https://bugs.freedesktop.org/show_bug.cgi?id=30155
This commit is contained in:
Kristian Høgsberg 2010-09-22 17:34:00 -04:00
parent d74bab1fb6
commit 86a1938aa5
1 changed files with 15 additions and 4 deletions
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19
src/glx/dri2_glx.c
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@ -138,6 +138,7 @@ dri2_bind_context(struct glx_context *context, struct glx_context *old,
struct dri2_context *pcp = (struct dri2_context *) context;
struct dri2_screen *psc = (struct dri2_screen *) pcp->base.psc;
struct dri2_drawable *pdraw, *pread;
struct dri2_display *pdp;
pdraw = (struct dri2_drawable *) driFetchDrawable(context, draw);
pread = (struct dri2_drawable *) driFetchDrawable(context, read);
@ -145,11 +146,21 @@ dri2_bind_context(struct glx_context *context, struct glx_context *old,
if (pdraw == NULL || pread == NULL)
return GLXBadDrawable;
if ((*psc->core->bindContext) (pcp->driContext,
pdraw->driDrawable, pread->driDrawable))
return Success;
if (!(*psc->core->bindContext) (pcp->driContext,
pdraw->driDrawable, pread->driDrawable))
return GLXBadContext;
return GLXBadContext;
/* If the server doesn't send invalidate events, we may miss a
* resize before the rendering starts. Invalidate the buffers now
* so the driver will recheck before rendering starts. */
pdp = (struct dri2_display *) psc->base.display;
if (!pdp->invalidateAvailable) {
dri2InvalidateBuffers(psc->base.dpy, pdraw->base.xDrawable);
if (pread != pdraw)
dri2InvalidateBuffers(psc->base.dpy, pread->base.xDrawable);
}
return Success;
}
static void