[cogl] (21 commits) Created branch wip/msaa

[Robert Bragg <rbragg src gnome org>]

The branch 'wip/msaa' was created.

Summary of new commits:

  57a9795... pipeline: Remove unsused get_max_texture_image_units()
  b69af3d... context: Add an accessor to get display associated with the
  daf80b6... display: Add an accessor to get the renderer out of a displ
  049a314... renderer: Add cogl_renderer_get_n_fragment_texture_units()
  5c9f194... blend-strings: Make braces around blend factor optional
  aeb4838... examples: use $(COGL_PANGO_DEP_LIBS) for cogl-pango users
  104a9f8... Updates NEWS for the 1.7.8 release
  eccaa26... texture: Call _cogl_texture_prepare_for_upload in set_regio
  e9cb070... fragend-glsl: Don't generate code for ignored layers
  6fcb8e7... cogl-pipeline-fragend-glsl: Cache the results of texture lo
  ff3f8d1... Update the COPYING file
  1f66a63... framebuffer: Add explicit buffer discard API
  b907e9d... display: always ensure we have an onscreen_template
  f35625b... swap-chain: explicitly init has_alpha as FALSE
  862dc0f... Rework how we search for winsys configs
  0a9e782... onscreen: Support point sample based onscreen rendering
  30e495f... offscreen: Adds support for offscreen multisampling
  9d70694... Adds 4x msaa example
  b2be355... framebuffer: Add a getter for the framebuffer format
  42b7a20... texture-2d: move #defines before gtk-doc
  91ce936... Add a strong CoglTexture type to replace CoglHandle