MaterialGenerator.hh

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/*
 * Copyright (C) 2012-2014 Open Source Robotics Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
*/
#ifndef _MATERIALGENERATOR_HH_
#define _MATERIALGENERATOR_HH_

#include <OgreMaterial.h>
#include <OgreStringVector.h>
#include <map>

#include <string>
#include "gazebo/util/system.hh"

namespace gazebo
{
  namespace rendering
  {
    class GAZEBO_VISIBLE MaterialGenerator
    {
      public: typedef uint32_t Perm;

      protected: MaterialGenerator();

      public: virtual ~MaterialGenerator();

      public: const Ogre::MaterialPtr &GetMaterial(Perm permutation);

      public: class Impl
              {
                public: virtual ~Impl();
                public: virtual Ogre::GpuProgramPtr GenerateVertexShader(
                            Perm _permutation) = 0;
                public: virtual Ogre::GpuProgramPtr GenerateFragmentShader(
                            Perm _permutation) = 0;
                public: virtual Ogre::MaterialPtr GenerateTemplateMaterial(
                            Perm permutation) = 0;
              };


      protected: const Ogre::GpuProgramPtr &GetVertexShader(Perm _perm);
      protected: const Ogre::GpuProgramPtr &GetFragmentShader(Perm _perm);
      protected: const Ogre::MaterialPtr &GetTemplateMaterial(Perm _perm);

      protected: std::string schemeName;

      protected: Ogre::String materialBaseName;

      protected: Perm vsMask;

      protected: Perm fsMask;

      protected: Perm matMask;

      protected: Impl *impl;

      protected: typedef std::map<Perm, Ogre::GpuProgramPtr> ProgramMap;
      protected: typedef std::map<Perm, Ogre::MaterialPtr> MaterialMap;

      protected: ProgramMap vs, fs;
      protected: MaterialMap templateMat, materials;
    };
  }
}
#endif