Crazy Eddie's GUI System 0.8.7
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GLFBOTextureTarget.h
1/***********************************************************************
2 created: Sun Jan 11 2009
3 author: Paul D Turner
4*************************************************************************/
5/***************************************************************************
6 * Copyright (C) 2004 - 2009 Paul D Turner & The CEGUI Development Team
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining
9 * a copy of this software and associated documentation files (the
10 * "Software"), to deal in the Software without restriction, including
11 * without limitation the rights to use, copy, modify, merge, publish,
12 * distribute, sublicense, and/or sell copies of the Software, and to
13 * permit persons to whom the Software is furnished to do so, subject to
14 * the following conditions:
15 *
16 * The above copyright notice and this permission notice shall be
17 * included in all copies or substantial portions of the Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
20 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
22 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
23 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
24 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
25 * OTHER DEALINGS IN THE SOFTWARE.
26 ***************************************************************************/
27#ifndef _CEGUIOpenGLFBOTextureTarget_h_
28#define _CEGUIOpenGLFBOTextureTarget_h_
29
30#include "CEGUI/RendererModules/OpenGL/TextureTarget.h"
31#include "../../Rect.h"
32#include "CEGUI/RendererModules/OpenGL/GL.h"
33
34#if defined(_MSC_VER)
35# pragma warning(push)
36# pragma warning(disable : 4250)
37#endif
38
39// Start of CEGUI namespace section
40namespace CEGUI
41{
42class OpenGLTexture;
43
45class OPENGL_GUIRENDERER_API OpenGLFBOTextureTarget : public OpenGLTextureTarget
46{
47public:
50
51 // overrides from OpenGLRenderTarget
52 void activate();
53 void deactivate();
54 // implementation of TextureTarget interface
55 void clear();
57 // specialise functions from OpenGLTextureTarget
60
61protected:
63 static const float DEFAULT_SIZE;
64
69
74};
75
76} // End of CEGUI namespace section
77
78#if defined(_MSC_VER)
79# pragma warning(pop)
80#endif
81
82#endif // end of guard _CEGUIOpenGLFBOTextureTarget_h_
OpenGLFBOTextureTarget - allows rendering to an OpenGL texture via FBO.
Definition GLFBOTextureTarget.h:46
void resizeRenderTexture()
resize the texture
void declareRenderSize(const Sizef &sz)
Used to declare to the TextureTarget the largest size, in pixels, of the next set of incoming renderi...
static const float DEFAULT_SIZE
default size of created texture objects
Definition GLFBOTextureTarget.h:63
GLuint d_frameBuffer
Frame buffer object.
Definition GLFBOTextureTarget.h:71
void grabTexture()
Grab the texture to a local buffer.
void deactivate()
Deactivate the render target after having completed rendering.
void activate()
Activate the render target and put it in a state ready to be drawn to.
void clear()
Clear the surface of the underlying texture.
GLuint d_previousFrameBuffer
Frame buffer object that was bound before we bound this one.
Definition GLFBOTextureTarget.h:73
void restoreTexture()
Restore the texture from the locally buffered copy previously create by a call to grabTexture.
void initialiseRenderTexture()
allocate and set up the texture used with the FBO.
Common base class used for other OpenGL (desktop or ES) based renderer modules.
Definition RendererBase.h:54
OpenGLTextureTarget - Common base class for all OpenGL render targets based on some form of RTT suppo...
Definition RendererModules/OpenGL/TextureTarget.h:47
base class for properties able to do native set/get
Definition TypedProperty.h:50
Main namespace for Crazy Eddie's GUI Library.
Definition arch_overview.dox:1