[Bug 34495] Selecting objects in Blender 2.56 slow with gallium r600 driver

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=34495

Pierre-Eric Pelloux-Prayer <pelloux at gmail.com> changed:

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--- Comment #42 from Pierre-Eric Pelloux-Prayer <pelloux at gmail.com> 2011-07-11 14:58:54 PDT ---
Created an attachment (id=48987)
 View: https://bugs.freedesktop.org/attachment.cgi?id=48987
 Review: https://bugs.freedesktop.org/review?bug=34495&attachment=48987

GL_SELECT hw support v4

New version !

What's new :
- manipulator issue understood and properly fixed (GL_DEPTH_TEST was disabled
by Blender before drawing manipulators)
- query stuff removed : I'm not sure it brought some performance gains, so I
removed it for clarity
- user state changes are now correctly preserved, except FBO (if a user bind a
new FBO when in GL_SELECT mode, it will either fails with an assert or produces
wrong result). I think I'll disable FBO binding when not in GL_RENDER mode (as
it is already done in glClear)

What's left before submitting it for merging :
- more testing :-)
- fix Mesa-classic drivers GL_SELECT (mainly Intel). I'd like to enable hw
support for them too, but it isn't clear how to do it (yet).

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