[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:

  d01bcda... Clean up cogl 1.x/2.0 header separation
  6a67550... Move all types/prototypes from cogl.h -> cogl-context.h
  7ee9023... cogl-private.h: include cogl-context.h
  f9bf180... moves and renames _cogl_get_format_bpp
  2736676... Adds _cogl_pixel_format_is_endian_dependant api
  07f679a... Remove COGL_UNPREMULT_MASK define
  3581e46... Remove COGL_UNORDERED_MASK define
  b11f135... Removes the COGL_PIXEL_FORMAT_{24,32} defines
  dd6145a... Add 30-bit color depth pixel formats X101010 and 2101010
  7cfef1f... pixel formats: Documents the internal representation
  1c78c8d... Adds a _cogl_util_pixel_format_from_masks API
  b5ae1a7... Improve pixel format detection for fallback OpenGL renderin
  88ac126... Add support for X101010 and 2101010 pixel formats to fallba
  8599dbc... Handle all formats in _cogl_texture_driver_pixel_format_to_