From 074abd889f7f5d2c7805a2c0fe118f463101a63d Mon Sep 17 00:00:00 2001
From: Brian Paul <brianp@vmware.com>
Date: Wed, 20 Jan 2010 17:40:48 -0700
Subject: [PATCH] softpipe: added region assertions in
 softpipe_get_tex_transfer()

---
 src/gallium/drivers/softpipe/sp_texture.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/gallium/drivers/softpipe/sp_texture.c b/src/gallium/drivers/softpipe/sp_texture.c
index fae72c81aa1..45e80c54477 100644
--- a/src/gallium/drivers/softpipe/sp_texture.c
+++ b/src/gallium/drivers/softpipe/sp_texture.c
@@ -291,6 +291,10 @@ softpipe_get_tex_transfer(struct pipe_screen *screen,
    assert(texture);
    assert(level <= texture->last_level);
 
+   /* make sure the requested region is in the image bounds */
+   assert(x + w <= u_minify(texture->width0, level));
+   assert(y + h <= u_minify(texture->height0, level));
+
    spt = CALLOC_STRUCT(softpipe_transfer);
    if (spt) {
       struct pipe_transfer *pt = &spt->base;