[gtk+/wip/ebassi/gsk-renderer: 42/65] gsk: Make GskBlendMode enumeration public

[Emmanuele Bassi <ebassi src gnome org>]

commit e1e53161a869f56ad16f2442c6b6be4dffe0dee8
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Fri Jul 1 12:02:43 2016 +0100

    gsk: Make GskBlendMode enumeration public

 gsk/gskenums.h      |   39 +++++++++++++++++++++++++++++++++++++++
 gsk/gskglrenderer.c |    8 +-------
 2 files changed, 40 insertions(+), 7 deletions(-)
---
diff --git a/gsk/gskenums.h b/gsk/gskenums.h
index b831d49..9ccfc95 100644
--- a/gsk/gskenums.h
+++ b/gsk/gskenums.h
@@ -43,4 +43,43 @@ typedef enum {
   GSK_SCALING_FILTER_TRILINEAR
 } GskScalingFilter;
 
+/**
+ * GskBlendMode:
+ * @GSK_BLEND_MODE_DEFAULT: The default blend mode, which specifies no blending
+ * @GSK_BLEND_MODE_MULTIPLY: The source color is multiplied by the destination
+ *   and replaces the destination
+ * @GSK_BLEND_MODE_SCREEN:
+ * @GSK_BLEND_MODE_OVERLAY: ...
+ * @GSK_BLEND_MODE_DARKEN: ...
+ * @GSK_BLEND_MODE_LIGHTEN: ...
+ * @GSK_BLEND_MODE_COLOR_DODGE: ...
+ * @GSK_BLEND_MODE_COLOR_BURN: ...
+ * @GSK_BLEND_MODE_HARD_LIGHT: ...
+ * @GSK_BLEND_MODE_SOFT_LIGHT: ...
+ * @GSK_BLEND_MODE_DIFFERENCE: ...
+ * @GSK_BLEND_MODE_EXCLUSION: ...
+ *
+ * The blend modes available for render nodes.
+ *
+ * The implementation of each blend mode is deferred to the
+ * rendering pipeline.
+ *
+ * Since: 3.22
+ */
+typedef enum {
+  GSK_BLEND_MODE_DEFAULT = 0,
+
+  GSK_BLEND_MODE_MULTIPLY,
+  GSK_BLEND_MODE_SCREEN,
+  GSK_BLEND_MODE_OVERLAY,
+  GSK_BLEND_MODE_DARKEN,
+  GSK_BLEND_MODE_LIGHTEN,
+  GSK_BLEND_MODE_COLOR_DODGE,
+  GSK_BLEND_MODE_COLOR_BURN,
+  GSK_BLEND_MODE_HARD_LIGHT,
+  GSK_BLEND_MODE_SOFT_LIGHT,
+  GSK_BLEND_MODE_DIFFERENCE,
+  GSK_BLEND_MODE_EXCLUSION
+} GskBlendMode;
+
 #endif /* __GSK_TYPES_H__ */
diff --git a/gsk/gskglrenderer.c b/gsk/gskglrenderer.c
index 2b919a3..6c634ad 100644
--- a/gsk/gskglrenderer.c
+++ b/gsk/gskglrenderer.c
@@ -12,12 +12,6 @@
 
 #include <epoxy/gl.h>
 
-typedef enum {
-  GSK_BLEND_MODE_NONE,
-
-  GSK_BLEND_MODE_MULTIPLY
-} GskBlendMode;
-
 typedef struct {
   guint vao_id;
   guint buffer_id;
@@ -772,7 +766,7 @@ gsk_gl_renderer_add_render_item (GskGLRenderer *self,
   item.opaque = gsk_render_node_is_opaque (node);
   item.opacity = gsk_render_node_get_opacity (node);
 
-  item.blend_mode = parent != NULL ? GSK_BLEND_MODE_MULTIPLY : GSK_BLEND_MODE_NONE;
+  item.blend_mode = parent != NULL ? GSK_BLEND_MODE_MULTIPLY : GSK_BLEND_MODE_DEFAULT;
 
   /* GL objects */
   item.render_data.vao_id = self->vao_id;