[gtk/matthiasc/glshader-node] (18 commits) ...gsk: Beef up GskShaderArgsBuilder docs

[Matthias Clasen <matthiasc src gnome org>]

Summary of changes:

  e93a51b... GskGLShader: Drop fallback node and add try_compile functio (*)
  a234ab1... Finish remaining renames from GLSHADER to GL_SHADER (etc) (*)
  32aa470... Rename uniform_data to shader args, or just args (*)
  e4dfa55... gtk_snapshot_push_gl_shader: Make @args transfer-full (*)
  810e9c2... snapshot: Drop the varargs versions of push_gl_shader() (*)
  bdcc29e... gtk-demo: Add a shader paintable (*)
  1bc81fa... gtk-demo: Add a shader paintable demo (*)
  e0b3746... gtk-demo: Add a shader paintable to the fishbowl (*)
  6ecf612... Add another shader test (*)
  f19001d... Add some more docs (*)
  48cb5ca... snapshot: Drop n_children from push_gl_shader and use custo
  947a933... gtk-demo: Only use one GskGLShader in fishbowl
  796b205... gsk_gl_shader_format_args: Pass arguments by value
  59c8c75... GskShaderArgBuilder: Use standard builder-like API
  a801be3... gsk: Fix the shader example
  cda8bb4... gtk-demo: Tweak the transition demo text
  4906779... gtk-demo: Simplify transitions demo
  1ed2b1b... gsk: Beef up GskShaderArgsBuilder docs

(*) This commit already existed in another branch; no separate mail sent