/usr/include/cegui-0.8.7/CEGUI/RendererModules/OpenGL/RenderTarget.h is in libcegui-mk2-dev 0.8.7-1.3+b2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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created: Wed, 8th Feb 2012
author: Lukas E Meindl (based on code by Paul D Turner)
*************************************************************************/
/***************************************************************************
* Copyright (C) 2004 - 2012 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 _CEGUIOpenGLRenderTarget_h_
#define _CEGUIOpenGLRenderTarget_h_
#include "CEGUI/RendererModules/OpenGL/RendererBase.h"
#include "../../RenderTarget.h"
#include "../../Rect.h"
#if defined(_MSC_VER)
# pragma warning(push)
# pragma warning(disable : 4251)
#endif
namespace CEGUI
{
/*!
\brief
Intermediate OpenGL implementation of a RenderTarget.
*/
template <typename T = RenderTarget>
class OPENGL_GUIRENDERER_API OpenGLRenderTarget : public T
{
public:
//! Constructor
OpenGLRenderTarget(OpenGLRendererBase& owner);
virtual ~OpenGLRenderTarget();
// implement parts of RenderTarget interface
void draw(const GeometryBuffer& buffer);
void draw(const RenderQueue& queue);
void setArea(const Rectf& area);
const Rectf& getArea() const;
void activate();
void deactivate();
void unprojectPoint(const GeometryBuffer& buff,
const Vector2f& p_in, Vector2f& p_out) const;
protected:
//! helper that initialises the cached matrix
virtual void updateMatrix() const;
//! OpenGLRendererBase that created this object
OpenGLRendererBase& d_owner;
//! holds defined area for the RenderTarget
Rectf d_area;
//! tangent of the y FOV half-angle; used to calculate viewing distance.
static const double d_yfov_tan;
//! saved copy of projection matrix
mutable mat4Pimpl* d_matrix;
//! true if saved matrix is up to date
mutable bool d_matrixValid;
//! tracks viewing distance (this is set up at the same time as d_matrix)
mutable double d_viewDistance;
};
}
#if defined(_MSC_VER)
# pragma warning(pop)
#endif
#endif
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