[PATCHv10 5/5] glx/dri2: Notify the driver when its buffers become invalid.

[Francisco Jerez]

Signed-off-by: Francisco Jerez <currojerez at riseup.net>
---
 glx/glxdri2.c |   53 +++++++++++++++++++++++++++++++++--------------------
 1 files changed, 33 insertions(+), 20 deletions(-)

diff --git a/glx/glxdri2.c b/glx/glxdri2.c
index edd29b0..f162f38 100644
--- a/glx/glxdri2.c
+++ b/glx/glxdri2.c
@@ -107,8 +107,10 @@ __glXDRIdrawableDestroy(__GLXdrawable *drawable)
 
     /* If the X window was destroyed, the dri DestroyWindow hook will
      * aready have taken care of this, so only call if pDraw isn't NULL. */
-    if (drawable->pDraw != NULL)
+    if (drawable->pDraw != NULL) {
+	DRI2UntrackClient(drawable->pDraw, 0);
 	DRI2DestroyDrawable(drawable->pDraw);
+    }
 
     __glXDrawableRelease(drawable);
 
@@ -217,15 +219,8 @@ __glXDRIdrawableSwapBuffers(ClientPtr client, __GLXdrawable *drawable)
     __GLXDRIscreen *screen = priv->screen;
     CARD64 unused;
 
-#if __DRI2_FLUSH_VERSION >= 3
-    if (screen->flush) {
-	(*screen->flush->flush)(priv->driDrawable);
-	(*screen->flush->invalidate)(priv->driDrawable);
-    }
-#else
     if (screen->flush)
-	(*screen->flush->flushInvalidate)(priv->driDrawable);
-#endif
+	(*screen->flush->flush)(priv->driDrawable);
 
     if (DRI2SwapBuffers(client, drawable->pDraw, 0, 0, 0, &unused,
 			__glXdriSwapEvent, drawable->pDraw) != Success)
@@ -474,6 +469,16 @@ __glXDRIscreenCreateDrawable(__GLXscreen *screen,
     return &private->base;
 }
 
+static void
+__glXDRIinvalidateEvent(DrawablePtr pDraw, void *priv)
+{
+    __GLXDRIdrawable *draw = priv;
+    __GLXDRIscreen *screen = draw->screen;
+
+    if (screen->flush)
+	screen->flush->invalidate(draw->driDrawable);
+}
+
 static __DRIbuffer *
 dri2GetBuffers(__DRIdrawable *driDrawable,
 	       int *width, int *height,
@@ -481,17 +486,21 @@ dri2GetBuffers(__DRIdrawable *driDrawable,
 	       int *out_count, void *loaderPrivate)
 {
     __GLXDRIdrawable *private = loaderPrivate;
+    DrawablePtr pDraw = private->base.pDraw;
     DRI2BufferPtr *buffers;
-    int i;
-    int j;
+    int i, j, ret;
 
-    buffers = DRI2GetBuffers(private->base.pDraw,
-			     width, height, attachments, count, out_count);
+    buffers = DRI2GetBuffers(pDraw, width, height, attachments,
+			     count, out_count);
     if (*out_count > MAX_DRAWABLE_BUFFERS) {
 	*out_count = 0;
 	return NULL;
     }
-	
+
+    ret = DRI2TrackClient(pDraw, 0, __glXDRIinvalidateEvent, NULL, private);
+    if (ret)
+	return NULL;
+
     private->width = *width;
     private->height = *height;
 
@@ -501,7 +510,7 @@ dri2GetBuffers(__DRIdrawable *driDrawable,
     for (i = 0; i < *out_count; i++) {
 	/* Do not send the real front buffer of a window to the client.
 	 */
-	if ((private->base.pDraw->type == DRAWABLE_WINDOW)
+	if ((pDraw->type == DRAWABLE_WINDOW)
 	    && (buffers[i]->attachment == DRI2BufferFrontLeft)) {
 	    continue;
 	}
@@ -525,18 +534,22 @@ dri2GetBuffersWithFormat(__DRIdrawable *driDrawable,
 			 int *out_count, void *loaderPrivate)
 {
     __GLXDRIdrawable *private = loaderPrivate;
+    DrawablePtr pDraw = private->base.pDraw;
     DRI2BufferPtr *buffers;
-    int i;
+    int i, ret;
     int j = 0;
 
-    buffers = DRI2GetBuffersWithFormat(private->base.pDraw,
-				       width, height, attachments, count,
-				       out_count);
+    buffers = DRI2GetBuffersWithFormat(pDraw, width, height, attachments,
+				       count, out_count);
     if (*out_count > MAX_DRAWABLE_BUFFERS) {
 	*out_count = 0;
 	return NULL;
     }
 
+    ret = DRI2TrackClient(pDraw, 0, __glXDRIinvalidateEvent, NULL, private);
+    if (ret)
+	return NULL;
+
     private->width = *width;
     private->height = *height;
 
@@ -545,7 +558,7 @@ dri2GetBuffersWithFormat(__DRIdrawable *driDrawable,
     for (i = 0; i < *out_count; i++) {
 	/* Do not send the real front buffer of a window to the client.
 	 */
-	if ((private->base.pDraw->type == DRAWABLE_WINDOW)
+	if ((pDraw->type == DRAWABLE_WINDOW)
 	    && (buffers[i]->attachment == DRI2BufferFrontLeft)) {
 	    continue;
 	}
-- 
1.6.4.4