cogl: Make pipeline creation introspectable

This means CoglContext is now also introspected, although its
constructor and some getters are skipped to avoid having to expose even
more types. This makes it possible to create pipelines using Javascript.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/935

cogl/cogl/cogl-context.h

@@ -102,7 +102,7 @@ G_BEGIN_DECLS
 GType cogl_context_get_gtype (void);
 
 /**
- * cogl_context_new: (constructor)
+ * cogl_context_new: (constructor) (skip)
  * @display: (allow-none): A #CoglDisplay pointer
  * @error: A GError return location.
  *
@@ -118,7 +118,7 @@ cogl_context_new (CoglDisplay *display,
                   GError **error);
 
 /**
- * cogl_context_get_display:
+ * cogl_context_get_display: (skip)
  * @context: A #CoglContext pointer
  *
  * Retrieves the #CoglDisplay that is internally associated with the
@@ -136,7 +136,7 @@ CoglDisplay *
 cogl_context_get_display (CoglContext *context);
 
 /**
- * cogl_context_get_renderer:
+ * cogl_context_get_renderer: (skip)
  * @context: A #CoglContext pointer
  *
  * Retrieves the #CoglRenderer that is internally associated with the

cogl/cogl/cogl-framebuffer.h

@@ -987,7 +987,7 @@ cogl_framebuffer_resolve_samples_region (CoglFramebuffer *framebuffer,
                                          int height);
 
 /**
- * cogl_framebuffer_get_context: (skip)
+ * cogl_framebuffer_get_context:
  * @framebuffer: A #CoglFramebuffer
  *
  * Can be used to query the #CoglContext a given @framebuffer was

cogl/cogl/cogl-pipeline.h

@@ -72,7 +72,7 @@ G_BEGIN_DECLS
 GType cogl_pipeline_get_gtype (void);
 
 /**
- * cogl_pipeline_new: (skip)
+ * cogl_pipeline_new: (constructor)
  * @context: a #CoglContext
  *
  * Allocates and initializes a default simple pipeline that will color

cogl/cogl/meson.build

@@ -75,6 +75,7 @@ cogl_headers = [
   'cogl1-context.h',
   'cogl-bitmap.h',
   'cogl-color.h',
+  'cogl-context.h',
   'cogl-framebuffer.h',
   'cogl-matrix.h',
   'cogl-object.h',
@@ -96,7 +97,6 @@ cogl_nonintrospected_headers = [
   'cogl-swap-chain.h',
   'cogl-onscreen-template.h',
   'cogl-display.h',
-  'cogl-context.h',
   'cogl-snippet.h',
   'cogl-index-buffer.h',
   'cogl-attribute-buffer.h',