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/***********************************************************************
created: Sun Jan 11 2009
author: Paul D Turner
*************************************************************************/
/***************************************************************************
* Copyright (C) 2004 - 2009 Paul D Turner & The CEGUI Development Team
*
* 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 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 _CEGUIOpenGLESFBOTextureTarget_h_
#define _CEGUIOpenGLESFBOTextureTarget_h_
#include "CEGUI/RendererModules/OpenGLES/RenderTarget.h"
#include "CEGUI/TextureTarget.h"
#include "CEGUI/Rect.h"
#include "CEGUI/RendererModules/OpenGLES/GLES.h"
#if defined(_MSC_VER)
# pragma warning(push)
# pragma warning(disable : 4250)
#endif
// Start of CEGUI namespace section
namespace CEGUI
{
class OpenGLESTexture;
//! OpenGLESFBOTextureTarget - allows rendering to an OpenGLES texture via FBO.
class OPENGLES_GUIRENDERER_API OpenGLESFBOTextureTarget :
public OpenGLESRenderTarget<TextureTarget>
{
public:
OpenGLESFBOTextureTarget(OpenGLESRenderer& owner);
virtual ~OpenGLESFBOTextureTarget();
// overrides from OpenGLESRenderTarget
void activate();
void deactivate();
// implementation of RenderTarget interface
bool isImageryCache() const;
// implementation of TextureTarget interface
void clear();
Texture& getTexture() const;
void declareRenderSize(const Sizef& sz);
bool isRenderingInverted() const;
//! initialize FBO extension functions pointers
static void initializedFBOExtension();
protected:
//! default size of created texture objects
static const float DEFAULT_SIZE;
//! allocate and set up the texture used with the FBO.
void initialiseRenderTexture();
//! resize the texture
void resizeRenderTexture();
//! generate a texture name
String generateTextureName();
//! Saving fbo before activation
GLint d_oldFbo;
//! Frame buffer object.
GLuint d_frameBuffer;
//! Associated OpenGLES texture ID
GLuint d_texture;
//! we use this to wrap d_texture so it can be used by the core CEGUI lib.
OpenGLESTexture* d_CEGUITexture;
//! static member var used to generate unique texture names.
static uint s_textureNumber;
};
} // End of CEGUI namespace section
#if defined(_MSC_VER)
# pragma warning(pop)
#endif
#endif // end of guard _CEGUIOpenGLESFBOTextureTarget_h_
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