Refresh lighting and culling uniforms if the camera changes in pop_state

[libs/gl.git] / source / renderable.h

diff --git a/source/renderable.h b/source/renderable.h
index b53fa9ac839307347bb614db7052dcfbe5a7a8cb..e90ab0243ee140173256ee3f2a6a1ba904fce7cc 100644 (file)
--- a/source/renderable.h
+++ b/source/renderable.h
@@ -2,6 +2,7 @@
 #define MSP_GL_RENDERABLE_H_
 
 #include <string>
+#include <msp/geometry/boundingsphere.h>
 #include "tag.h"
 
 namespace Msp {
@@ -11,8 +12,8 @@ class Matrix;
 class Renderer;
 
 /**
-Base class for renderable objects.  All Renderables must support rendering with
-a Renderer, and may optionally provide support for standalone rendering.
+Base class for renderable objects.  Rendering is performed with the help of a
+Renderer object.
 
 The render methods take a Tag to identify a render pass.  It is most commonly
 used together with Techniques and Pipelines to implement multipass rendering.
@@ -38,18 +39,18 @@ public:
        matrix exists. */
        virtual const Matrix *get_matrix() const { return 0; }
 
+       /** Returns a bounding sphere that completely encloses the Renderable.  The
+       bounding sphere is expressed in the renderable's coordinates.  Null is
+       returned if the bounding sphere cannot be determined. */
+       virtual const Geometry::BoundingSphere<float, 3> *get_bounding_sphere() const { return 0; }
+
        /** Called when starting to render a new frame. */
-       virtual void setup_frame() const { }
+       virtual void setup_frame(Renderer &) { }
 
        /** Called when a complete frame has been rendered. */
-       virtual void finish_frame() const { }
-
-       /** Renders the renderable without a renderer.  This can be convenient in
-       some simple cases, but most renderables don't need to implement this
-       method. */
-       virtual void render(const Tag & = Tag()) const;
+       virtual void finish_frame() { }
 
-       /** Renders the renderable.  Implementors should take care to return the
+       /** Renders the Renderable.  Implementors should take care to return the
        renderer to the state it was in, for example by using Renderer::Push. */
        virtual void render(Renderer &, const Tag & = Tag()) const = 0;
 };