Crazy Eddie's GUI System 0.8.7
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GLXPBTextureTarget.h
1/***********************************************************************
2 created: Sat Jan 31 2009
3 author: Paul D Turner
4*************************************************************************/
5/***************************************************************************
6 * Copyright (C) 2004 - 2011 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 _CEGUIOpenGLGLXPBTextureTarget_h_
28#define _CEGUIOpenGLGLXPBTextureTarget_h_
29
30#include <GL/glxew.h>
31
32#include "CEGUI/RendererModules/OpenGL/TextureTarget.h"
33
34// Start of CEGUI namespace section
35namespace CEGUI
36{
37class OpenGLTexture;
38
44class OPENGL_GUIRENDERER_API OpenGLGLXPBTextureTarget : public OpenGLTextureTarget
45{
46public:
49
50 // overrides from OpenGLRenderTarget
51 void activate();
52 void deactivate();
53 // implementation of TextureTarget interface
54 void clear();
56 // specialise functions from OpenGLTextureTarget
59
60protected:
62 static const float DEFAULT_SIZE;
63
66
68 void enablePBuffer() const;
69
71 void disablePBuffer() const;
72
75
78
81
96};
97
98} // End of CEGUI namespace section
99
100#endif // end of guard _CEGUIOpenGLGLXPBTextureTarget_h_
OpenGLGLXPBTextureTarget - allows rendering to an OpenGL texture via the pbuffer provided in GLX 1....
Definition GLXPBTextureTarget.h:45
GLXContext d_prevContext
stores previous GLX context when switching to pbuffer
Definition GLXPBTextureTarget.h:95
void clear()
Clear the surface of the underlying texture.
void enablePBuffer() const
Switch rendering so it targets the pbuffer.
void activate()
Activate the render target and put it in a state ready to be drawn to.
void deactivate()
Deactivate the render target after having completed rendering.
void initialiseTexture()
Perform basic initialisation of the texture we're going to use.
GLXPbuffer d_pbuffer
The GLX pbuffer we're using.
Definition GLXPBTextureTarget.h:89
Display * d_prevDisplay
stores previous X display when switching to pbuffer
Definition GLXPBTextureTarget.h:91
static const float DEFAULT_SIZE
default size of created texture objects
Definition GLXPBTextureTarget.h:62
GLXFBConfig d_fbconfig
GLX config used in creating pbuffer.
Definition GLXPBTextureTarget.h:85
void disablePBuffer() const
Switch rendering to target what was active before the pbuffer was used.
void restoreTexture()
Restore the texture from the locally buffered copy previously create by a call to grabTexture.
void createContext()
Creates the context to use with the pbuffer.
void declareRenderSize(const Sizef &sz)
Used to declare to the TextureTarget the largest size, in pixels, of the next set of incoming renderi...
Display * d_dpy
X server display.
Definition GLXPBTextureTarget.h:83
GLXDrawable d_prevDrawable
stores previous GLX drawable when switching to pbuffer
Definition GLXPBTextureTarget.h:93
void selectFBConfig()
Selects an appropriate FB config to use and stores in d_fbconfig.
void grabTexture()
Grab the texture to a local buffer.
GLXContext d_context
GLX context.
Definition GLXPBTextureTarget.h:87
void initialisePBuffer()
Initialise the PBuffer with the needed size.
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