[cogl] (27 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
  ce1799f... cogl-pipeline: Add two hook points for adding shader snippe
  213cdbe... Add a conformance test for CoglSnippets
  c46c971... pipeline: Wrap each snippet in its own function
  28c0850... snippet: Add a 'replace' string
  b386830... pipeline: Move the snippet source loop into a common functi
  6e81dfd... pipeline: Add a snippet hook for the texture lookup
  ea1f400... pipeline: Assume blend enabled when there are snippets
  bd9d064... snippet: Move the hook to be a property of the snippet
  e44559a... snippet: Fix detecting the last snippet
  8a877ec... snippet: Don't generate code for snippets that are replaced
  d1d5713... glsl-fragend: Store the cached variables in global variable
  251815f... fragend-glsl: Don't generate the default texture lookup if 
  5e76d55... snippet: Add a hook for the layer fragment processing
  c2c5593... snippet: Add a hook for the layer texture coordinate transf
  770b289... snippet: Add a hook for the vertex transform
  1621650... Flush matrices in the progend and flip with a vector
  6ec8b77... attribute: Add the buffer and normalized property APIs to t
  72d5824... Add a conformance test for custom attributes
  216f889... test-snippets: Add a test to verify the order of the snippe
  ec33cbd... Allow the winsys backend to force rendering onscreen buffer