[PULL] glamor cleanups and VBO changes (and glx fix)

keithp said he was comfortable with the level of review on these, so here goes. I dropped the two changes from the two series that didn't get review comments: glViewport() in ephyr, and dropping glXMakeCurrent(None). The following changes since commit 7f15e5aed79803fa6057fbfda7dfbacacc2e019d:

Re: [PULL] glamor cleanups and VBO changes (and glx fix)

Eric Anholt e...@anholt.net writes: keithp said he was comfortable with the level of review on these, so here goes. I dropped the two changes from the two series that didn't get review comments: glViewport() in ephyr, and dropping glXMakeCurrent(None). The following changes since commit

Re: [PULL] glamor cleanups and VBO changes (and glx fix)

Eric Anholt e...@anholt.net writes: Eric Anholt (14): glamor: remove dead global variable. glamor: Fix a spelling mistake in GLAMOR_PIXMAP_FBO_NOT_EXACT_SIZE. glamor: Add a note about the state of GL_ARB_map_buffer_range. dix: Remove incorrect comment about privates.