X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;ds=sidebyside;f=source%2Frenderable.h;h=80fe172eb7435b44f147d4324294b6c72b5d5fd2;hb=HEAD;hp=9a534e9038579f37256c2722f6681235dc062eea;hpb=a1eb8711ba225bb4423868c50369ad5592465171;p=libs%2Fgl.git diff --git a/source/renderable.h b/source/renderable.h deleted file mode 100644 index 9a534e90..00000000 --- a/source/renderable.h +++ /dev/null @@ -1,66 +0,0 @@ -#ifndef MSP_GL_RENDERABLE_H_ -#define MSP_GL_RENDERABLE_H_ - -#include -#include -#include "tag.h" - -namespace Msp { -namespace GL { - -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. - -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. - -The setup_frame and finish_frame methods provide a mechanism for performing -once-per-frame operations. This is most useful for effects, which may need to -do auxiliary rendering. With complex rendering hierarchies, these methods may -be called multiple times for one frame, but it's guaranteed that no rendering -will occur before a setup_frame call or after a finish_frame call. -*/ -class Renderable -{ -protected: - Renderable() { } -public: - virtual ~Renderable() { } - - /** Returns a key used for grouping Renderables in an InstanceScene. The - returned value is treated as opaque. */ - virtual long get_instance_key() const { return 0; } - - /** Returns the model matrix of the Renderable. Null is returned if no such - 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 *get_bounding_sphere() const { return 0; } - - /** Called when starting to render a new frame. */ - virtual void setup_frame() const { } - - /** 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; - - /** 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; -}; - -} // namespace Msp -} // namespace GL - -#endif