[Bug 90734] glBufferSubData is corrupting data when buffer is > 32k

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90734

--- Comment #7 from kaillasse91 at hotmail.fr ---
(In reply to Chris Wilson from comment #6)
> Sorry for the late reply, I had rewritten the patch to try and make the
> logic more robust, could you please test
> http://patchwork.freedesktop.org/patch/56678/ ?

I have exhumed the old version of my application with the test case included,
compiled current git mesa (Mesa 11.1.0-devel (git-000e225)) and applied the
patch manually.

Testing without the patch applied give me the errors described in my initial
bug report.

Testing with the patch applied and running with a buffer of max size 125000 * 3
vertices : millions of changes later, no errors logged and the output is
visually as expected. I've only tested on sandy bridge hd2000, but this seems
ok to me.

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