[cogl] (14 commits) Created branch wip/pixel-format-2101010

[Robert Bragg <rbragg src gnome org>]

The branch 'wip/pixel-format-2101010' was created.

Summary of new commits:

  2835b88... Clean up cogl 1.x/2.0 header separation
  888a6af... Move all types/prototypes from cogl.h -> cogl-context.h
  9b9491e... cogl-private.h: include cogl-context.h
  e9731bc... moves and renames _cogl_get_format_bpp
  9cd62b1... Adds _cogl_pixel_format_is_endian_dependant api
  833662e... Remove COGL_UNPREMULT_MASK define
  761ecf1... Remove COGL_UNORDERED_MASK define
  8a0a53c... Removes the COGL_PIXEL_FORMAT_{24,32} defines
  28e8996... Add 30-bit color depth pixel formats X101010 and 2101010
  391534f... pixel formats: Documents the internal representation
  546c80c... Adds a _cogl_util_pixel_format_from_masks API
  fed55d5... Improve pixel format detection for fallback OpenGL renderin
  6a08924... Add support for X101010 and 2101010 pixel formats to fallba
  19b1236... Handle all formats in _cogl_texture_driver_pixel_format_to_