Mesa (7.10): i965: skip too small size mipmap

Nan hai Zou znh at kemper.freedesktop.org
Thu Jan 6 03:43:00 UTC 2011


Module: Mesa
Branch: 7.10
Commit: bbf7cc1f2a13c89e5923e2155a8f9e0326714019
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=bbf7cc1f2a13c89e5923e2155a8f9e0326714019

Author: Zou Nan hai <nanhai.zou at intel.com>
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 ed5c5d8..df4802d 100644
--- a/src/mesa/drivers/dri/intel/intel_tex_validate.c
+++ b/src/mesa/drivers/dri/intel/intel_tex_validate.c
@@ -218,8 +218,10 @@ intel_finalize_mipmap_tree(struct intel_context *intel, GLuint unit)
       for (i = intelObj->firstLevel; i <= intelObj->lastLevel; 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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