[cogl] (26 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_
  3e13922... framebuffer: Handle a NULL previous framebuffer when flushi
  c457f1e... pipeline: Add a missing break for the uniforms state
  137660d... Add a CoglSnippet type
  c064754... cogl-pipeline: Add two hook points for adding shader snippe
  8bb5583... Add a conformance test for CoglSnippets
  5e4084a... pipeline: Wrap each snippet in its own function
  3b960ba... snippet: Add a 'replace' string
  0a0029b... pipeline: Move the snippet source loop into a common functi
  cd377cf... pipeline: Add a snippet hook for the texture lookup
  5f965e5... pipeline: Assume blend enabled when there are snippets
  d00371e... snippet: Move the hook to be a property of the snippet
  9e00076... snippet: Fix detecting the last snippet
  fbb73c5... snippet: Don't generate code for snippets that are replaced
  eaed956... glsl-fragend: Store the cached variables in global variable
  7d72d65... fragend-glsl: Don't generate the default texture lookup if 
  e422cbd... snippet: Add a hook for the layer fragment processing
  84e5e96... snippet: Add a hook for the layer texture coordinate transf
  7bc1c03... snippet: Add a hook for the vertex transform
  9216fa8... Flush matrices in the progend and flip with a vector
  f4fee2d... attribute: Add the buffer and normalized property APIs to t
  221fca7... glsl: Use a constant vector for flipping when all fbs flip
  1c66af7... Add a conformance test for custom attributes