5 files changed, 48 insertions, 2 deletions

diff --git a/src/glx/x11/dri2_glx.c b/src/glx/x11/dri2_glx.c
index fb31898db2..f4865aecb1 100644
--- a/src/glx/x11/dri2_glx.c
+++ b/src/glx/x11/dri2_glx.c
@@ -80,6 +80,8 @@ struct __GLXDRIdrawablePrivateRec {
     int have_fake_front;
 };
 
+static void dri2WaitX(__GLXDRIdrawable *pdraw);
+
 static void dri2DestroyContext(__GLXDRIcontext *context,
 			      __GLXscreenConfigs *psc, Display *dpy)
 {
@@ -215,6 +217,11 @@ static void dri2CopySubBuffer(__GLXDRIdrawable *pdraw,
     DRI2CopyRegion(pdraw->psc->dpy, pdraw->drawable, region,
 		   DRI2BufferFrontLeft, DRI2BufferBackLeft);
     XFixesDestroyRegion(pdraw->psc->dpy, region);
+
+    /* Refresh the fake front (if present) after we just damaged the real
+     * front.
+     */
+    dri2WaitX(pdraw);
 }
 
 static void dri2SwapBuffers(__GLXDRIdrawable *pdraw)
diff --git a/src/glx/x11/dri_glx.c b/src/glx/x11/dri_glx.c
index 3ce410d9be..ac2eb05341 100644
--- a/src/glx/x11/dri_glx.c
+++ b/src/glx/x11/dri_glx.c
@@ -305,6 +305,7 @@ CallCreateNewScreen(Display *dpy, int scrn, __GLXscreenConfigs *psc,
     drm_handle_t  hFB;
     int        junk;
     const __DRIconfig **driver_configs;
+    __GLcontextModes *visual;
 
     /* DRI protocol version. */
     dri_version.major = driDpy->driMajor;
@@ -417,6 +418,28 @@ CallCreateNewScreen(Display *dpy, int scrn, __GLXscreenConfigs *psc,
     psc->configs = driConvertConfigs(psc->core, psc->configs, driver_configs);
     psc->visuals = driConvertConfigs(psc->core, psc->visuals, driver_configs);
 
+    /* Visuals with depth != screen depth are subject to automatic compositing
+     * in the X server, so DRI1 can't render to them properly. Mark them as
+     * non-conformant to prevent apps from picking them up accidentally.
+     */
+    for (visual = psc->visuals; visual; visual = visual->next) {
+	XVisualInfo template;
+	XVisualInfo *visuals;
+	int num_visuals;
+	long mask;
+
+	template.visualid = visual->visualID;
+	mask = VisualIDMask;
+	visuals = XGetVisualInfo(dpy, mask, &template, &num_visuals);
+
+	if (visuals) {
+	    if (num_visuals > 0 && visuals->depth != DefaultDepth(dpy, scrn))
+		visual->visualRating = GLX_NON_CONFORMANT_CONFIG;
+
+	    XFree(visuals);
+	}
+    }
+
     return psp;
 
  handle_error:
diff --git a/src/glx/x11/drisw_glx.c b/src/glx/x11/drisw_glx.c
index b843ce484f..1c229dde90 100644
--- a/src/glx/x11/drisw_glx.c
+++ b/src/glx/x11/drisw_glx.c
@@ -401,6 +401,8 @@ driCreateScreen(__GLXscreenConfigs * psc, int screen,
    psc->configs = driConvertConfigs(psc->core, psc->configs, driver_configs);
    psc->visuals = driConvertConfigs(psc->core, psc->visuals, driver_configs);
 
+   free(driver_configs);
+
    psp->destroyScreen = driDestroyScreen;
    psp->createContext = driCreateContext;
    psp->createDrawable = driCreateDrawable;
diff --git a/src/glx/x11/glxcmds.c b/src/glx/x11/glxcmds.c
index ec3e69e4fe..820d8b9868 100644
--- a/src/glx/x11/glxcmds.c
+++ b/src/glx/x11/glxcmds.c
@@ -164,7 +164,7 @@ GetGLXScreenConfigs(Display *dpy, int scrn)
 {
     __GLXdisplayPrivate * const priv = __glXInitialize(dpy);
 
-    return (priv->screenConfigs != NULL) ? &priv->screenConfigs[scrn] : NULL;
+    return (priv && priv->screenConfigs != NULL) ? &priv->screenConfigs[scrn] : NULL;
 }
 
 
@@ -869,6 +869,20 @@ PUBLIC void glXDestroyGLXPixmap(Display *dpy, GLXPixmap glxpixmap)
     req->glxpixmap = glxpixmap;
     UnlockDisplay(dpy);
     SyncHandle();
+
+#ifdef GLX_DIRECT_RENDERING
+    {
+	int screen;
+	__GLXdisplayPrivate *const priv = __glXInitialize(dpy);
+	__GLXDRIdrawable *pdraw = GetGLXDRIDrawable(dpy, glxpixmap, &screen);
+	__GLXscreenConfigs *psc = &priv->screenConfigs[screen];
+
+	if (pdraw != NULL) {
+	    (*pdraw->destroyDrawable) (pdraw);
+	    __glxHashDelete(psc->drawHash, glxpixmap);
+	}
+    }
+#endif
 }
 
 PUBLIC void glXSwapBuffers(Display *dpy, GLXDrawable drawable)
diff --git a/src/glx/x11/glxcurrent.c b/src/glx/x11/glxcurrent.c
index 01f4233241..d44e0dd1fc 100644
--- a/src/glx/x11/glxcurrent.c
+++ b/src/glx/x11/glxcurrent.c
@@ -457,7 +457,7 @@ MakeContextCurrent(Display * dpy, GLXDrawable draw,
                                     &dummy_reply);
    }
 #ifdef GLX_DIRECT_RENDERING
-   else if (oldGC->driContext) {
+   else if (oldGC->driContext && oldGC != gc) {
       oldGC->driContext->unbindContext(oldGC->driContext);
    }
 #endif