[mutter] (9 commits) ...monitor-stream-src: Use cogl_framebuffer_finish()

[Jonas Ådahl <jadahl src gnome org>]

Summary of changes:

  038a317... cogl/framebuffer: Add cogl_framebuffer_flush (*)
  3881c1f... cogl/context: Add cogl_renderer_create_dma_buf() and family (*)
  7fbb47b... renderer-native: Move DMA buffer creation to an auxiliary f (*)
  d366fb3... renderer-native: Implement DMA buffer creation (*)
  548073e... screen-cast-stream-src: Support DMA buffer sharing (*)
  680a54a... monitor-stream-src: Implement blitting view framebuffers (*)
  86168b9... window-stream-source: Draw into DMA buffer image (*)
  1f190a7... screen-cast-stream-src: Remove unused parameter (*)
  09026e5... monitor-stream-src: Use cogl_framebuffer_finish() (*)

(*) This commit already existed in another branch; no separate mail sent