X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Frender%2Fview.h;h=b7cb2256e937a6ef014415ae635c31d7d4e2b7fd;hb=9e63512930bc7dace6dc169c65161961e5dcfcf6;hp=9c756bbcdb453c62b1701a8421d3df075c6076f0;hpb=791f266553f0e6c6fc006d96eb9bc2967beb7012;p=libs%2Fgl.git

diff --git a/source/render/view.h b/source/render/view.h
index 9c756bbc..b7cb2256 100644
--- a/source/render/view.h
+++ b/source/render/view.h
@@ -11,29 +11,37 @@ class Renderable;
 class Renderer;
 
 /**
-Manages the presentation of rendering results on the screen.
+An ultimate render target, which is typically visible to the user of the
+application in some way.
+
+The content renderable's render() function is called with an empty tag.  A
+Sequence can be used to specify other tags and add post-processing.
 */
 class View
 {
 protected:
-	Framebuffer ⌖
 	Camera *camera;
 	Renderable *content;
 	Renderer *internal_renderer;
 
-	View(Framebuffer &);
+	View();
 public:
 	virtual ~View();
 
-	virtual unsigned get_width() const { return target.get_width(); }
-	virtual unsigned get_height() const { return target.get_height(); }
+	virtual unsigned get_width() const { return get_target().get_width(); }
+	virtual unsigned get_height() const { return get_target().get_height(); }
 	float get_aspect_ratio() const { return static_cast<float>(get_width())/get_height(); }
 
+	/** Sets the camera to render with.  The camera's aspect ratio is set to
+	match that of the view. */
 	void set_camera(Camera *);
+
 	void set_content(Renderable *);
 
 	virtual void render();
 	virtual void render(Renderer &);
+protected:
+	virtual const Framebuffer &get_target() const = 0;
 };
 
 } // namespace GL