/usr/include/OGRE/OgreRenderTexture.h is in libogre-1.9-dev 1.9.0+dfsg1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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-----------------------------------------------------------------------------
This source file is part of OGRE
(Object-oriented Graphics Rendering Engine)
For the latest info, see http://www.ogre3d.org/
Copyright (c) 2000-2013 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 __RenderTexture_H__
#define __RenderTexture_H__
#include "OgrePrerequisites.h"
#include "OgreRenderTarget.h"
#include "OgreHeaderPrefix.h"
namespace Ogre
{
/** \addtogroup Core
* @{
*/
/** \addtogroup RenderSystem
* @{
*/
/** This class represents a RenderTarget that renders to a Texture. There is no 1 on 1
relation between Textures and RenderTextures, as there can be multiple
RenderTargets rendering to different mipmaps, faces (for cubemaps) or slices (for 3D textures)
of the same Texture.
*/
class _OgreExport RenderTexture: public RenderTarget
{
public:
RenderTexture(HardwarePixelBuffer *buffer, uint32 zoffset);
virtual ~RenderTexture();
virtual void copyContentsToMemory(const PixelBox &dst, FrameBuffer buffer);
PixelFormat suggestPixelFormat() const;
protected:
HardwarePixelBuffer *mBuffer;
uint32 mZOffset;
};
/** This class represents a render target that renders to multiple RenderTextures
at once. Surfaces can be bound and unbound at will, as long as the following constraints
are met:
- All bound surfaces have the same size
- All bound surfaces have the same bit depth
- Target 0 is bound
*/
class _OgreExport MultiRenderTarget: public RenderTarget
{
public:
MultiRenderTarget(const String &name);
/** Bind a surface to a certain attachment point.
@param attachment 0 .. mCapabilities->getNumMultiRenderTargets()-1
@param target RenderTexture to bind.
It does not bind the surface and fails with an exception (ERR_INVALIDPARAMS) if:
- Not all bound surfaces have the same size
- Not all bound surfaces have the same internal format
*/
virtual void bindSurface(size_t attachment, RenderTexture *target)
{
for (size_t i = mBoundSurfaces.size(); i <= attachment; ++i)
{
mBoundSurfaces.push_back(0);
}
mBoundSurfaces[attachment] = target;
bindSurfaceImpl(attachment, target);
}
/** Unbind attachment.
*/
virtual void unbindSurface(size_t attachment)
{
if (attachment < mBoundSurfaces.size())
mBoundSurfaces[attachment] = 0;
unbindSurfaceImpl(attachment);
}
/** Error throwing implementation, it's not possible to write a MultiRenderTarget
to disk.
*/
virtual void copyContentsToMemory(const PixelBox &dst, FrameBuffer buffer);
/// Irrelevant implementation since cannot copy
PixelFormat suggestPixelFormat() const { return PF_UNKNOWN; }
typedef vector<RenderTexture*>::type BoundSufaceList;
/// Get a list of the surfaces which have been bound
const BoundSufaceList& getBoundSurfaceList() const { return mBoundSurfaces; }
/** Get a pointer to a bound surface */
RenderTexture* getBoundSurface(size_t index)
{
assert (index < mBoundSurfaces.size());
return mBoundSurfaces[index];
}
protected:
BoundSufaceList mBoundSurfaces;
/// Implementation of bindSurface, must be provided
virtual void bindSurfaceImpl(size_t attachment, RenderTexture *target) = 0;
/// Implementation of unbindSurface, must be provided
virtual void unbindSurfaceImpl(size_t attachment) = 0;
};
/** @} */
/** @} */
}
#include "OgreHeaderSuffix.h"
#endif
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