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Bug 1510 - SDL_GL_ExtensionSupported() fails on 3.0+ non-compatability contexts
Summary: SDL_GL_ExtensionSupported() fails on 3.0+ non-compatability contexts
Status: RESOLVED DUPLICATE of bug 1620
Alias: None
Product: SDL
Classification: Unclassified
Component: video (show other bugs)
Version: HG 2.0
Hardware: x86_64 Linux
: P2 normal
Assignee: Sam Lantinga
QA Contact: Sam Lantinga
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2012-06-02 03:00 UTC by Alexander Sabourenkov
Modified: 2013-07-12 11:52 UTC (History)
2 users (show)

See Also:

Attachments
proposed patch (2.04 KB, patch)
2012-06-02 03:00 UTC, Alexander Sabourenkov 		Details | Diff
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Description Alexander Sabourenkov 2012-06-02 03:00:49 UTC 
Created attachment 865 [details]
proposed patch

because glGetString(GL_EXTENSIONS) was deprecated.

attached patch works for me.
Comment 1 Matthias Bentrup 2012-06-20 09:16:05 UTC 
I think you have to check the GL_VERSION >= 3.0 first, to make sure that glGetStringi is actually supported. The GLX spec states explicitly:

"A non-NULL return value for glXGetProcAddress does not guarantee
that an extension function is actually supported at runtime. The
client must must also query glGetString(GL_EXTENSIONS) or
glXQueryExtensionsString to determine if an extension is supported
by a particular context."
Comment 2 Ryan C. Gordon 2013-07-12 11:52:48 UTC 
We ended up fixing this in Bug #1620.

--ryan.

*** This bug has been marked as a duplicate of bug 1620 ***