[Bug 72586] glScissor doesn't work with Mesa 9.2 on Intel GPUs

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=72586

--- Comment #13 from Branimir Karadzic <bk at f-m.fm> ---
Last night at SteamDevDays I was talking with devs, someone mentioned that it
might be related to glBlitFramebuffer. I just tested it on SandyBridge and
disabling scissor right before blit fixes it. I also checked specs here
https://www.opengl.org/registry/specs/EXT/framebuffer_blit.txt also mentions
it's correct:

    The pixel copy bypasses the fragment pipeline.  The only fragment
    operations which affect the blit are the pixel ownership test and
    the scissor test.

I think it's bug completely on my side, so you can resolve this as not a bug.

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