Bug 16854 - GLSL function call at global scope causes SEGV
Summary: GLSL function call at global scope causes SEGV
Status: RESOLVED FIXED
Alias: None
Product: Mesa
Classification: Unclassified
Component: Mesa core (show other bugs)
Version: git
Hardware: Other All
: medium normal
Assignee: mesa-dev
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Blocks: 29044
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Reported: 2008-07-25 16:35 UTC by Ian Romanick
Modified: 2010-08-17 08:54 UTC (History)
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Attachments
Offending shader code (314 bytes, text/plain)
2008-07-25 16:35 UTC, Ian Romanick 		Details
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Description Ian Romanick 2008-07-25 16:35:06 UTC 
Created attachment 17900 [details]
Offending shader code

The attached vertex shader causes the GLSL compiler to segfault.  Simply copy the shader to progs/demos/vstest.txt and run progs/demos/vstest.  The problem seems to be that 'mat2 foo = bar();' is at global scope (i.e., not inside a function).  I think this is valid GLSL, but, even if it isn't, it shouldn't cause the compiler to segfault.
Comment 1 Brian Paul 2008-07-29 17:06:13 UTC 
segfault fixed in git/master.  Though, the initialization of the global probably isn't done correctly yet.
Comment 2 Adam Jackson 2009-08-24 12:30:44 UTC 
Mass version move, cvs -> git
Comment 3 Eric Anholt 2010-08-17 08:54:52 UTC 
Other than the implicit conversion, glsl2 is fine with this.

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(provided by the Example extension).