text: /*
   * Copyright (C) 2016 eschao <esc.chao@gmail.com>
   *
   * 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 ANDROID_PAGEFLIP_GLPROGRAM_H
  #define ANDROID_PAGEFLIP_GLPROGRAM_H
  
  #include <GLES2/gl2.h>
  #include "GLShader.h"
  
  namespace eschao {
  
  class GLShader;
  
  class GLProgram {
  
  public:
      GLProgram();
      virtual ~GLProgram();
  
      int init(const char *shaderGLSL, const char *fragmentGLSL);
      virtual void clean();
  
      inline int programRef() {
          return mProgramRef;
      }
  
  protected:
      virtual void getVarsLocation() = 0;
  
  protected:
      GLuint mProgramRef;
      GLShader mShader;
      GLShader mFragment;
  };
  
  }
  #endif //ANDROID_PAGEFLIP_GLPROGRAM_H
  