shader_manager.h

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/*
 *  OGF/Graphite: Geometry and Graphics Programming Library + Utilities
 *  Copyright (C) 2000 Bruno Levy
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 *  If you modify this software, you should include a notice giving the
 *  name of the person performing the modification, the date of modification,
 *  and the reason for such modification.
 *
 *  Contact: Bruno Levy
 *
 *     levy@loria.fr
 *
 *     ISA Project
 *     LORIA, INRIA Lorraine,
 *     Campus Scientifique, BP 239
 *     54506 VANDOEUVRE LES NANCY CEDEX
 *     FRANCE
 *
 *  Note that the GNU General Public License does not permit incorporating
 *  the Software into proprietary programs.
 */
 
#ifndef H_OGF_SCENE_GRAPH_GFX_SHADERS_SHADER_MANAGER_H
#define H_OGF_SCENE_GRAPH_GFX_SHADERS_SHADER_MANAGER_H
 
#include <OGF/scene_graph_gfx/common/common.h>
#include <OGF/scene_graph_gfx/shaders/shader.h>
#include <OGF/gom/types/node.h>
 
#include <map>
 
namespace OGF {
 
    class SceneGraphShaderManager;
 
    gom_class SCENE_GRAPH_GFX_API ShaderManager : public Object {
    public:
        ShaderManager(Grob* grob, SceneGraphShaderManager* sg_shader_manager);
 
         ~ShaderManager() override;
 
    gom_slots:
        Shader* current_shader() {
            return current_shader_;
        }
 
        Grob* grob() {
            return grob_;
        }
 
        void draw();
 
        void update();
 
        SceneGraphShaderManager* scene_graph_shader_manager() const {
            return sg_shader_manager_;
        }
 
    gom_properties:
        void set_shader(const std::string& value);
 
        std::string get_shader() const;
 
        gom_attribute(aggregate_properties,"true")
        Shader* get_shader_object() const {
            return current_shader_;
        }
 
    private:
        Grob* grob_;
        SceneGraphShaderManager* sg_shader_manager_;
        Shader* current_shader_;
        typedef std::map<std::string, Shader_var> ShaderMap;
        ShaderMap shaders_;
    };
 
    typedef SmartPointer<ShaderManager> ShaderManager_var;
}
 
#endif