diff options
Diffstat (limited to 'xorg-server/hw/xquartz/xpr/dri.c')
| -rw-r--r-- | xorg-server/hw/xquartz/xpr/dri.c | 61 |
1 files changed, 50 insertions, 11 deletions
diff --git a/xorg-server/hw/xquartz/xpr/dri.c b/xorg-server/hw/xquartz/xpr/dri.c index cdfe13622..63fcabe38 100644 --- a/xorg-server/hw/xquartz/xpr/dri.c +++ b/xorg-server/hw/xquartz/xpr/dri.c @@ -395,8 +395,8 @@ DRICreateSurface(ScreenPtr pScreen, Drawable id, return FALSE; /*error*/
}
#endif
- else { /* for GLX 1.3, a PBuffer */
- /* NOT_DONE */
+ else {
+ /* We handle GLXPbuffers in a different way (via CGL). */
return FALSE;
}
@@ -486,13 +486,27 @@ DRIDestroySurface(ScreenPtr pScreen, Drawable id, DrawablePtr pDrawable, }
if (pDRIDrawablePriv != NULL) {
+ /*
+ * This doesn't seem to be used, because notify is NULL in all callers.
+ */
+
if (notify != NULL) {
pDRIDrawablePriv->notifiers = x_hook_remove(pDRIDrawablePriv->notifiers,
notify, notify_data);
}
- if (--pDRIDrawablePriv->refCount <= 0) {
- /* This calls back to DRIDrawablePrivDelete
- which frees the private area */
+
+ --pDRIDrawablePriv->refCount;
+
+ /*
+ * Check if the drawable privates still have a reference to the
+ * surface.
+ */
+
+ if (pDRIDrawablePriv->refCount <= 0) {
+ /*
+ * This calls back to DRIDrawablePrivDelete which
+ * frees the private area and dispatches events, if needed.
+ */
FreeResourceByType(id, DRIDrawablePrivResType, FALSE);
}
}
@@ -500,6 +514,10 @@ DRIDestroySurface(ScreenPtr pScreen, Drawable id, DrawablePtr pDrawable, return TRUE;
}
+/*
+ * The assumption is that this is called when the refCount of a surface
+ * drops to <= 0, or the window/pixmap is destroyed.
+ */
Bool
DRIDrawablePrivDelete(pointer pResource, XID id)
{
@@ -518,18 +536,23 @@ DRIDrawablePrivDelete(pointer pResource, XID id) }
if (pDRIDrawablePriv == NULL) {
+ /*
+ * We reuse __func__ and the resource type for the GLXPixmap code.
+ * Attempt to free a pixmap buffer associated with the resource
+ * if possible.
+ */
return DRIFreePixmapImp(pDrawable);
}
-
+
if (pDRIDrawablePriv->drawableIndex != -1) {
/* release drawable table entry */
pDRIPriv->DRIDrawables[pDRIDrawablePriv->drawableIndex] = NULL;
}
if (pDRIDrawablePriv->sid != 0) {
- xp_destroy_surface(pDRIDrawablePriv->sid);
- x_hash_table_remove(surface_hash, x_cvt_uint_to_vptr(pDRIDrawablePriv->sid));
+ DRISurfaceNotify(pDRIDrawablePriv->sid, AppleDRISurfaceNotifyDestroyed);
}
+
if (pDRIDrawablePriv->notifiers != NULL)
x_hook_free(pDRIDrawablePriv->notifiers);
@@ -673,6 +696,11 @@ DRIQueryVersion(int *majorVersion, *patchVersion = APPLE_DRI_PATCH_VERSION;
}
+/*
+ * Note: this also cleans up the hash table in addition to notifying clients.
+ * The sid/surface-id should not be used after this, because it will be
+ * invalid.
+ */
void
DRISurfaceNotify(xp_surface_id id, int kind)
{
@@ -693,21 +721,32 @@ DRISurfaceNotify(xp_surface_id id, int kind) if (kind == AppleDRISurfaceNotifyDestroyed)
{
- pDRIDrawablePriv->sid = 0;
- x_hash_table_remove(surface_hash, x_cvt_uint_to_vptr(id));
+ x_hash_table_remove(surface_hash, x_cvt_uint_to_vptr(id));
}
x_hook_run(pDRIDrawablePriv->notifiers, &arg);
if (kind == AppleDRISurfaceNotifyDestroyed)
{
- /* Kill off the handle. */
+ xp_error error;
+
+ error = xp_destroy_surface(pDRIDrawablePriv->sid);
+
+ if(error)
+ ErrorF("%s: xp_destroy_surface failed: %d\n", __func__, error);
+
+ /* Guard against reuse, even though we are freeing after this. */
+ pDRIDrawablePriv->sid = 0;
FreeResourceByType(pDRIDrawablePriv->pDraw->id,
DRIDrawablePrivResType, FALSE);
}
}
+/*
+ * This creates a shared memory buffer for use with GLXPixmaps
+ * and AppleSGLX.
+ */
Bool DRICreatePixmap(ScreenPtr pScreen, Drawable id,
DrawablePtr pDrawable, char *path,
size_t pathmax)
|