[Bug 28623] [r300g] ETQW: Invalid index buffer range.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=28623

--- Comment #11 from Álmos <aaalmosss at gmail.com> 2010-12-25 11:13:21 PST ---
Created an attachment (id=41442)
 View: https://bugs.freedesktop.org/attachment.cgi?id=41442
 Review: https://bugs.freedesktop.org/review?bug=28623&attachment=41442

etqw_crash_fix.patch

The attached hack may not be correct, but it fixes this problem. When drawing
light halos around lamps, etqw calls glDrawElements() as it was issuing a
vertex array: indices is a pointer to the buffer rather than an offset to the
vbo. The real bug may be in etqw (is it allowed to issue a vertex array while a
vbo is bound?) or in the way mesa detects the difference between a vertex array
and a vbo. Or in the head of the one who designed glDrawElements() this way...

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