[mutter] (7 commits) Non-fast-forward update to branch gbsneto/dmabuf-screencast

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

The branch 'gbsneto/dmabuf-screencast' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  c0eaf5e... cogl/context: Add cogl_context_capture_dma_buf() and family
  94c0be0... renderer-native: Move DMA buffer creation to an auxiliary f
  f79f928... renderer-native: Implement DMA buffer allocation
  a6a2ec1... screen-cast-stream-src: Support DMA buffer sharing
  c473208... monitor-stream-src: Implement blitting view framebuffers
  555929b... window-stream-source: Draw into DMA buffer image
  add1a9a... screen-cast-stream-src: Remove unused parameter

Commits added to the branch:

  3881c1f... cogl/context: Add cogl_renderer_create_dma_buf() and family
  1d41f1e... renderer-native: Move DMA buffer creation to an auxiliary f
  0a6ccf2... renderer-native: Implement DMA buffer creation
  279a2f1... screen-cast-stream-src: Support DMA buffer sharing
  0faef87... monitor-stream-src: Implement blitting view framebuffers
  691d468... window-stream-source: Draw into DMA buffer image
  2935c03... screen-cast-stream-src: Remove unused parameter