Merge branch 'xa_branch'

[mesa.git] / src / glx / dri_common.c

diff --git a/src/glx/dri_common.c b/src/glx/dri_common.c
index 06a73e4a6b25039c32bec1181bced5f2780b8400..bac0c9e5911d9152635ed90e67200f8709400db1 100644 (file)
--- a/src/glx/dri_common.c
+++ b/src/glx/dri_common.c
@@ -369,8 +369,10 @@ driFetchDrawable(struct glx_context *gc, GLXDrawable glxDrawable)
    if (priv->drawHash == NULL)
       return NULL;
 
-   if (__glxHashLookup(priv->drawHash, glxDrawable, (void *) &pdraw) == 0)
+   if (__glxHashLookup(priv->drawHash, glxDrawable, (void *) &pdraw) == 0) {
+      pdraw->refcount ++;
       return pdraw;
+   }
 
    pdraw = psc->driScreen->createDrawable(psc, glxDrawable,
                                           glxDrawable, gc->config);
@@ -378,6 +380,7 @@ driFetchDrawable(struct glx_context *gc, GLXDrawable glxDrawable)
       (*pdraw->destroyDrawable) (pdraw);
       return NULL;
    }
+   pdraw->refcount = 1;
 
    return pdraw;
 }
@@ -394,19 +397,28 @@ driReleaseDrawables(struct glx_context *gc)
    if (__glxHashLookup(priv->drawHash,
                       gc->currentDrawable, (void *) &pdraw) == 0) {
       if (pdraw->drawable == pdraw->xDrawable) {
-        (*pdraw->destroyDrawable)(pdraw);
-        __glxHashDelete(priv->drawHash, gc->currentDrawable);
+        pdraw->refcount --;
+        if (pdraw->refcount == 0) {
+           (*pdraw->destroyDrawable)(pdraw);
+           __glxHashDelete(priv->drawHash, gc->currentDrawable);
+        }
       }
    }
 
-   if (gc->currentDrawable != gc->currentReadable &&
-       __glxHashLookup(priv->drawHash,
+   if (__glxHashLookup(priv->drawHash,
                       gc->currentReadable, (void *) &pdraw) == 0) {
       if (pdraw->drawable == pdraw->xDrawable) {
-        (*pdraw->destroyDrawable)(pdraw);
-        __glxHashDelete(priv->drawHash, gc->currentReadable);
+        pdraw->refcount --;
+        if (pdraw->refcount == 0) {
+           (*pdraw->destroyDrawable)(pdraw);
+           __glxHashDelete(priv->drawHash, gc->currentReadable);
+        }
       }
    }
+
+   gc->currentDrawable = None;
+   gc->currentReadable = None;
+
 }
 
 #endif /* GLX_DIRECT_RENDERING */