[cogl] (22 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
  9ce72a3... attribute: Fix the default normalized value for cogl_color_
  93039fe... pipeline: Add a missing break for the uniforms state
  371ff78... Add a CoglSnippet type
  e4ce110... cogl-pipeline: Add two hook points for adding shader snippe
  9f97c87... Add a conformance test for CoglSnippets
  372df4b... pipeline: Wrap each snippet in its own function
  a9697be... snippet: Add a 'replace' string
  eba0a11... pipeline: Move the snippet source loop into a common functi
  c26f967... pipeline: Add a snippet hook for the texture lookup
  225f098... pipeline: Assume blend enabled when there are snippets
  f59d173... snippet: Move the hook to be a property of the snippet
  5d66b73... snippet: Fix detecting the last snippet
  d21711f... snippet: Don't generate code for snippets that are replaced
  5302aa9... glsl-fragend: Store the cached variables in global variable
  cbda0a9... fragend-glsl: Don't generate the default texture lookup if 
  766fc4a... snippet: Add a hook for the layer fragment processing
  fc67df9... snippet: Add a hook for the layer texture coordinate transf
  e0c1ad4... snippet: Add a hook for the vertex transform
  96929f9... Flush matrices in the progend and flip with a vector