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-rw-r--r--src/gallium/drivers/llvmpipe/lp_tile_cache.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_tile_cache.c b/src/gallium/drivers/llvmpipe/lp_tile_cache.c
index 2e576e6039d..73460106f38 100644
--- a/src/gallium/drivers/llvmpipe/lp_tile_cache.c
+++ b/src/gallium/drivers/llvmpipe/lp_tile_cache.c
@@ -48,6 +48,12 @@ struct llvmpipe_tile_cache *
lp_create_tile_cache( struct pipe_screen *screen )
{
struct llvmpipe_tile_cache *tc;
+ 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( llvmpipe_tile_cache );
if(!tc)