[cogl] (44 commits) Created branch wip/rib/master-next

[Robert Bragg <rbragg src gnome org>]

The branch 'wip/rib/master-next' was created.

Summary of new commits:

  8774da4... framebuffer: Add explicit buffer discard API
  2c083dd... Rework how we search for winsys configs
  1d6d584... onscreen: Support multisample based onscreen rendering
  2c97b42... offscreen: Adds support for offscreen multisampling
  a4f1b1e... examples: Adds a simple 4x msaa example
  6b23c11... framebuffer: Adds experimental _finish() API
  81e91bd... path: handle slice tex fallback using clip stack
  f433ebc... clip-stack: Move path flushing code to cogl-clip-stack.c
  2acf215... primitive: Adds _cogl_primitive_draw api taking flags
  6bc1226... clip: Adds cogl_clip_push_primitive API
  a34b1a5... texture-2d-sliced: make CoglTexture2DSliced public
  8687fc7... spans: only iterate spans within start-end range
  55b995f... spans: remove unused intersect_start/end_local members
  b0bd3be... primitives: make validate_first_layer_cb update override pi
  1158aab... pipeline-layer: fix win32 build issue
  0243a62... Remove beneign GL_MESA_ycbcr_texture check
  aade5ff... make COGL_FEATURE_STENCIL_BUFFER private
  b7ec02e... make COGL_FEATURE_OFFSCREEN_BLIT a private feature
  1441d87... make COGL_FEATURE_FOUR_CLIP_PLANES a private feature
  9f035b0... make COGL_FEATURE_PBOS a private feature
  672e629... make COGL_FEATURE_VBOS a private feature
  7e18349... features: Support more than 32 features!
  ede9d7a... tests: ports test-wrap-modes.c to be standalone cogl test
  ed041b6... texture-2d-sliced: simplify _foreach_sub_texture_in_region
  89092e2... spans: Represent spans with floating point precision
  b65992f... meta-texture: This publicly exposes CoglMetaTexture
  2270b34... Adds support for a mirrored repeat wrap mode
  7d94180... tests: Adds a really simple cogl-info program
  e58f1fe... build: removes unused variable i to avoid compiler warning
  4c449b4... framebuffer: split out CoglOnscreen code
  341946b... matrix: init flags before tmp  _translate in _look_at
  fc1b688... matrix: check DIRTY_TYPE flag in _cogl_matrix_print
  e701ea3... Start to reduce dependence on glib
  6b632b8... test-backface-culling: don't call _swap_buffers
  f286202... texture: Make CoglTextureRectangle experimentally public
  6721d3b... doc: Adds a cogl-texture-2d to the 2.0 reference manual
  a30fee2... framebuffer: adds cogl_framebuffer_get_samples_per_pixel
  3d70990... texture: Make CoglSubTexture experimental public api
  c5a2b53... spans: avoid normalize with normalize_factor of 1
  0c093b5... doc: Adds some documentation for CoglIndices
  ad814ef... primitive: Add n_indices arg to _set_indices function
  e17980d... meta-texture: Support CLAMP_TO_EDGE
  aefba13... rectangles: rely on meta-texture api for clamping
  23603d9... examples: Adds repeat-mode test