/*
 -----------------------------------------------------------------------------
 This source file is part of OGRE
 (Object-oriented Graphics Rendering Engine)
 For the latest info, see http://www.ogre3d.org/
 
 Copyright (c) 2000-2014 Torus Knot Software Ltd
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
 in the Software without restriction, including without limitation the rights
 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 copies of the Software, and to permit persons to whom the Software is
 furnished to do so, subject to the following conditions:
 
 The above copyright notice and this permission notice shall be included in
 all copies or substantial portions of the Software.
 
 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
 -----------------------------------------------------------------------------
 */
#ifndef __GLSLESProgramCommon_H__
#define __GLSLESProgramCommon_H__

#include "OgreGLES2Prerequisites.h"
#include "OgreGpuProgram.h"
#include "OgreHardwareVertexBuffer.h"
#include "OgreHardwareUniformBuffer.h"
#include "OgreGLES2UniformCache.h"
#include "OgreGLSLProgramCommon.h"
#include "OgreGLSLESProgram.h"

namespace Ogre {
    /** C++ encapsulation of GLSL ES Program Object
     
     */

    class _OgreGLES2Export GLSLESProgramCommon : public GLSLProgramCommon
    {
    protected:
        /// Linked fragment program
        GLSLESProgram* mFragmentProgram;
        GLES2UniformCache *mUniformCache;

        Ogre::String getCombinedName(void);
        /// Get the the binary data of a program from the microcode cache
        static bool getMicrocodeFromCache(const String& name, GLuint programHandle);
        /// Put a program in use
        virtual void _useProgram(void) = 0;

        static void _writeToCache(const String& name, GLuint programHandle);
    public:
        /// Constructor should only be used by GLSLESLinkProgramManager and GLSLESProgramPipelineManager
        GLSLESProgramCommon(GLSLESProgram* vertexProgram, GLSLESProgram* fragmentProgram);
        virtual ~GLSLESProgramCommon(void);

        /// Get the index of a non-standard attribute bound in the linked code
        virtual GLint getAttributeIndex(VertexElementSemantic semantic, uint index);

        GLSLESProgram* getVertexProgram(void) const { return static_cast<GLSLESProgram*>(mVertexShader); }
        GLSLESProgram* getFragmentProgram(void) const { return mFragmentProgram; }
        GLES2UniformCache * getUniformCache(void) { return mUniformCache; }
    };
}

#endif // __GLSLESProgramCommon_H__
