Module: Mesa
Branch: master
Commit: a728646fb55245477d35e2761c3e0d15099b4cd4
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=a728646fb55245477d35e2761c3e0d15099b4cd4

Author: Zou Nan hai <[email protected]>
Date:   Thu Jan  6 11:36:23 2011 +0800

i965: skip too small size mipmap

        this fixes doom3 crash.

---

 src/mesa/drivers/dri/intel/intel_tex_validate.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/mesa/drivers/dri/intel/intel_tex_validate.c 
b/src/mesa/drivers/dri/intel/intel_tex_validate.c
index f1c6239..31c0a83 100644
--- a/src/mesa/drivers/dri/intel/intel_tex_validate.c
+++ b/src/mesa/drivers/dri/intel/intel_tex_validate.c
@@ -156,8 +156,10 @@ intel_finalize_mipmap_tree(struct intel_context *intel, 
GLuint unit)
       for (i = tObj->BaseLevel; i <= intelObj->_MaxLevel; i++) {
          struct intel_texture_image *intelImage =
             intel_texture_image(intelObj->base.Image[face][i]);
-
-         /* Need to import images in main memory or held in other trees.
+        /* skip too small size mipmap */
+        if (intelImage == NULL)
+                break;
+        /* Need to import images in main memory or held in other trees.
          * If it's a render target, then its data isn't needed to be in
          * the object tree (otherwise we'd be FBO incomplete), and we need
          * to keep track of the image's MT as needing to be pulled in still,

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