[Bug 93538] Recursive call to vbo_exec_FlushVertices in i965 driver causing assertion failure/stack overflow

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Feb 4 17:43:54 UTC 2016


https://bugs.freedesktop.org/show_bug.cgi?id=93538

Neil Roberts <neil at linux.intel.com> changed:

           What    |Removed                     |Added
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                 CC|                            |neil at linux.intel.com

--- Comment #1 from Neil Roberts <neil at linux.intel.com> ---
It looks like gliv is using glRenderMode(GL_SELECT) and when switching back to
GL_RENDER Mesa flushes the vertices. GL_SELECT uses the software rendering
fallback which tries to map the render buffers. Mapping the render buffers
causes it to resolve the fast clear which is a meta operation which does
rendering and so also tries to flush the vertices, thus making infinite
recursion.

Seems like a tricky one to fix.

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