From e41707becaffd604fedc885719e5b061a4a5b363 Mon Sep 17 00:00:00 2001
From: Brian Paul <brianp@vmware.com>
Date: Wed, 23 Sep 2009 10:50:38 -0600
Subject: [PATCH] softpipe: added max texture/surface size sanity check

---
 src/gallium/drivers/softpipe/sp_tile_cache.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/gallium/drivers/softpipe/sp_tile_cache.c b/src/gallium/drivers/softpipe/sp_tile_cache.c
index a524275a71c..461cbb9f953 100644
--- a/src/gallium/drivers/softpipe/sp_tile_cache.c
+++ b/src/gallium/drivers/softpipe/sp_tile_cache.c
@@ -116,6 +116,12 @@ sp_create_tile_cache( struct pipe_screen *screen )
 {
    struct softpipe_tile_cache *tc;
    uint pos;
+   int maxLevels, maxTexSize;
+
+   /* sanity checking: max sure MAX_WIDTH/HEIGHT >= largest texture image */
+   maxLevels = screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_2D_LEVELS);
+   maxTexSize = 1 << (maxLevels - 1);
+   assert(MAX_WIDTH >= maxTexSize);
 
    tc = CALLOC_STRUCT( softpipe_tile_cache );
    if (tc) {
-- 
2.30.2