[cogl] (13 commits) Created branch wip/lazy-texture-allocate

[Robert Bragg <rbragg src gnome org>]

The branch 'wip/lazy-texture-allocate' was created.

Summary of new commits:

  f9ff28a... framebuffer: make format internal
  2622fdf... offscreen: allocate texture before querying slicing
  f716683... framebuffer: if size unknown; allocate for size/vp queries
  4e61f4e... framebuffer: defer calculating level size until allocation
  2485ed4... ensure texture allocated in _get_gl_texture() in preparatio
  3422104... texture: allocate on slicing/hw repeat queries
  3b90475... atlas: make zero size a programmer error
  b249689... atlas: defer checks until allocation
  040a025... texture: make cogl_texture_get_format api private
  dbd861c... texture: return ints from _get_width/height
  0258329... get_texture_bits_via_offscreen(): use meta texture format
  405f530... introduce texture loaders to make allocations lazy
  389d8a9... remove internal_format and redundant error arguments