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List:       mesa3d-dev
Subject:    [Mesa3d-dev] [Bug 7549] New: glPushArrayState does not save texture
From:       bugzilla-daemon () annarchy ! freedesktop ! org
Date:       2006-07-17 5:13:59
Message-ID: 20060717051359.BFCC0130067 () annarchy ! freedesktop ! org
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https://bugs.freedesktop.org/show_bug.cgi?id=7549          
     
           Summary: glPushArrayState does not save texture unit index
           Product: Mesa
           Version: 6.5
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: GLX
        AssignedTo: mesa3d-dev@lists.sourceforge.net
        ReportedBy: wiyzf0502@sneakemail.com


__glXPushArrayState does not store the texture unit index when it fills in the
stack, but __glXPopArrayState _does_ read it back. The stack is allocated with
malloc(), so any random garbage can (and will) reside in this index, meaning
that the array is not found and the assertion at indirect_vertex_array.c:1358
will trigger.

The solution is a simple one-line patch:
--- indirect_vertex_array.c     2006-02-22 12:22:24.000000000 -0500
+++ indirect_vertex_array-patched.c     2006-07-17 01:11:26.000000000 -0400
@@ -1773,6 +1773,7 @@
        stack[i].user_stride = arrays->arrays[i].user_stride;
        stack[i].count = arrays->arrays[i].count;
        stack[i].key = arrays->arrays[i].key;
+       stack[i].index = arrays->arrays[i].index;
        stack[i].enabled = arrays->arrays[i].enabled;
     }          
     
     
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