68 lines
2.1 KiB
C++
68 lines
2.1 KiB
C++
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# ifndef SR_SA_GL_RENDER_H
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# define SR_SA_GL_RENDER_H
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/** \file sr_gl_render_action.h
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* OpenGL render action
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*/
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# include <SR/sr_sa.h>
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# include <SR/sr_sn_shape.h>
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struct SrOverrideAction;
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struct SrOGLData;
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/*! \class SrSaGlRender sr_gl_render_action.h
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\brief OpenGL render action
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OpenGL render action */
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class SrSaGlRender : public SrSa
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{ public :
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typedef void (*render_function)(SrSnShapeBase*);
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private :
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struct RegData { const char* class_name;
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render_function rfunc;
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};
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static SrArray<RegData> _rfuncs;
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friend struct SrOverrideAction;
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friend struct SrOGLData;
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public :
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/*! Constructor */
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SrSaGlRender ();
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/*! Virtual destructor. */
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virtual ~SrSaGlRender ();
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/*! Registration is kept in a static array, shared by all instances
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of SrSaGlRender.
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All buit-in SR scene shapes are automatically registered when
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the first SrSaGlRender instance is done. However,
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registration must be explicitly called for user-defined shapes.
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In case a name already registered is registered again, the new
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one replaces the old one. */
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friend void register_render_function ( const char* class_name, render_function rfunc );
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/*! Traverse all scene graph overriding the render mode of each shape node. */
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void override_render_mode ( SrSn* n, srRenderMode m );
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/*! Traverse all scene graph restoring the original render mode of each
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shape node, saved at the last override_render_mode() call. */
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void restore_render_mode ( SrSn* n );
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private :
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virtual void get_top_matrix ( SrMat& mat );
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virtual int matrix_stack_size ();
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virtual void init_matrix ();
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virtual void mult_matrix ( const SrMat& mat );
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virtual void push_matrix ();
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virtual void pop_matrix ();
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virtual bool shape_apply ( SrSnShapeBase* s );
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};
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//================================ End of File =================================================
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# endif // SR_SA_GL_RENDER_H
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