intel: check for null texture. (fix #13902)

diff --git a/src/mesa/drivers/dri/intel/intel_mipmap_tree.c b/src/mesa/drivers/dri/intel/intel_mipmap_tree.c
index b96ba72853e6a18b4a1a8f804f767fea1a1140ee..c677ddd63c52f204431910b72ae3d2b9b3e8f8dd 100644 (file)
--- a/src/mesa/drivers/dri/intel/intel_mipmap_tree.c
+++ b/src/mesa/drivers/dri/intel/intel_mipmap_tree.c
@@ -111,9 +111,9 @@ intel_miptree_create(struct intel_context *intel,
                                      first_level, last_level, width0,
                                      height0, depth0, cpp, compress_byte);
    /*
                                      first_level, last_level, width0,
                                      height0, depth0, cpp, compress_byte);
    /*

-    * pitch == 0 indicates the null texture
+    * pitch == 0 || height == 0  indicates the null texture

     */
     */

-   if (!mt || !mt->pitch)
+   if (!mt || !mt->pitch || !mt->total_height)

       return NULL;
 
    mt->region = intel_region_alloc(intel,
       return NULL;
 
    mt->region = intel_region_alloc(intel,