[cogl] (21 commits) Created branch wip/neil/snippets

[Neil Roberts <nroberts src gnome org>]

The branch 'wip/neil/snippets' was created.

Summary of new commits:

  4e9aaf5... attribute: Guard the fixed function client state calls
  4f66cbb... framebuffer: Fix an unitialized variable
  0d3266c... attribute: Fix flushing custom attributes
  2b3b6af... pipeline: Add a missing break for the uniforms state
  2ea173a... Add a CoglSnippet type
  0e1a55b... cogl-pipeline: Add two hook points for adding shader snippe
  8746260... Add a conformance test for CoglSnippets
  0b1d548... pipeline: Wrap each snippet in its own function
  f7a4cbb... snippet: Add a 'replace' string
  33c8150... pipeline: Move the snippet source loop into a common functi
  c5f9223... pipeline: Add a snippet hook for the texture lookup
  94a25c7... pipeline: Assume blend enabled when there are snippets
  cd19e9f... snippet: Move the hook to be a property of the snippet
  2a632fd... snippet: Fix detecting the last snippet
  5eeb3ce... snippet: Don't generate code for snippets that are replaced
  8e21c25... glsl-fragend: Store the cached variables in global variable
  6886411... fragend-glsl: Don't generate the default texture lookup if 
  c119aa5... snippet: Add a hook for the layer fragment processing
  c06a60b... snippet: Add a hook for the layer texture coordinate transf
  b57cbcc... snippet: Add a hook for the vertex transform
  9fce938... Flush matrices in the progend and flip with a vector