From: Jakob Bornecrantz <jakob@vmware.com>
Date: Wed, 18 Nov 2009 16:45:39 +0000 (+0100)
Subject: st/xorg: Flush any pending operations on upload
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=5109484bd9cd79ed88af59280bd0be5a4150f37c;p=mesa.git

st/xorg: Flush any pending operations on upload
---

diff --git a/src/gallium/state_trackers/xorg/xorg_exa.c b/src/gallium/state_trackers/xorg/xorg_exa.c
index 3a51ad2d598..3d83b5700d5 100644
--- a/src/gallium/state_trackers/xorg/xorg_exa.c
+++ b/src/gallium/state_trackers/xorg/xorg_exa.c
@@ -230,6 +230,11 @@ ExaUploadToScreen(PixmapPtr pPix, int x, int y, int w, int h, char *src,
     if (!priv || !priv->tex)
 	return FALSE;
 
+    /* make sure that any pending operations are flushed to hardware */
+    if (exa->pipe->is_texture_referenced(exa->pipe, priv->tex, 0, 0) &
+	(PIPE_REFERENCED_FOR_READ | PIPE_REFERENCED_FOR_WRITE))
+	xorg_exa_flush(exa, 0, NULL);
+
     transfer = exa->scrn->get_tex_transfer(exa->scrn, priv->tex, 0, 0, 0,
 					   PIPE_TRANSFER_WRITE, x, y, w, h);
     if (!transfer)