xf86-video-intel: src/sna/sna_dri.c

[Chris Wilson]

 src/sna/sna_dri.c |   12 ++++++++++++
 1 file changed, 12 insertions(+)

New commits:
commit c0bab1df509d1f7fe36173715846c13b931e9be1
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Mon Mar 19 08:25:22 2012 +0000

    sna/dri: Make the drawable as damaged for the off-screen immediate exchange
    
    In some cases off-screen is stil visible, for example under a rotation.
    As such xrandr -o left; glxgears -fullscreen was broken.
    
    Reported-by: Phillip Haddad <phillip.haddad at gmail.com>
    Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>

diff --git a/src/sna/sna_dri.c b/src/sna/sna_dri.c
index e2eed1d..95ec07e 100644
--- a/src/sna/sna_dri.c
+++ b/src/sna/sna_dri.c
@@ -1294,12 +1294,24 @@ sna_dri_schedule_flip(ClientPtr client, DrawablePtr draw, DRI2BufferPtr front,
 	/* Drawable not displayed... just complete the swap */
 	pipe = sna_dri_get_pipe(draw);
 	if (pipe == -1) {
+		RegionRec region;
+
 		DBG(("%s: off-screen, immediate update\n", __FUNCTION__));
 
 		sna_dri_exchange_attachment(front, back);
 		get_private(back)->pixmap = get_private(front)->pixmap;
 		get_private(front)->pixmap = NULL;
 		set_bo(get_private(back)->pixmap, get_private(back)->bo);
+
+		/* XXX can we query whether we need to process damage? */
+		region.extents.x1 = draw->x;
+		region.extents.y1 = draw->y;
+		region.extents.x2 = draw->x + draw->width;
+		region.extents.y2 = draw->y + draw->height;
+		region.data = NULL;
+		DamageRegionAppend(draw, &region);
+		DamageRegionProcessPending(draw);
+
 		DRI2SwapComplete(client, draw, 0, 0, 0,
 				 DRI2_EXCHANGE_COMPLETE, func, data);
 		return TRUE;