Cleanup: Separate the sub-tree layering out of QtQuick into the scene graph

This basically renames QQuickShaderEffectTexture to QSGDefaultLayer and
introduces QSGLayer as interface to be used. QQuickShaderEffectTexture is
generic for the scene graph and has no QtQuick dependencies. The interface
separation allows scene graph backends to customize layers.

Change-Id: I9a7f37addaa4b80a34ff9a1456b0cb9b16d4e9f3
Reviewed-by: Gunnar Sletta <gunnar.sletta@jollamobile.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/src/quick/scenegraph/qsgcontext_p.h b/src/quick/scenegraph/qsgcontext_p.h
index abf1abd4c0..b5271f9f37 100644
--- a/src/quick/scenegraph/qsgcontext_p.h
+++ b/src/quick/scenegraph/qsgcontext_p.h
@@ -72,6 +72,7 @@ class QSGTexture;
 class QSGMaterial;
 class QSGMaterialShader;
 class QSGRenderLoop;
+class QSGLayer;
 
 class QOpenGLContext;
 class QOpenGLFramebufferObject;
@@ -177,6 +178,7 @@ public:
     virtual QSGImageNode *createImageNode();
     virtual QSGGlyphNode *createGlyphNode(QSGRenderContext *rc, bool preferNativeGlyphNode);
     virtual QSGNinePatchNode *createNinePatchNode();
+    virtual QSGLayer *createLayer(QSGRenderContext *renderContext);
     virtual QAnimationDriver *createAnimationDriver(QObject *parent);
 
     virtual QSize minimumFBOSize() const;