OGRE  2.0
Object-Oriented Graphics Rendering Engine
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OgreGLPBRenderTexture.h
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1 /*
2 -----------------------------------------------------------------------------
3 This source file is part of OGRE
4  (Object-oriented Graphics Rendering Engine)
5 For the latest info, see http://www.ogre3d.org/
6 
7 Copyright (c) 2000-2014 Torus Knot Software Ltd
8 
9 Permission is hereby granted, free of charge, to any person obtaining a copy
10 of this software and associated documentation files (the "Software"), to deal
11 in the Software without restriction, including without limitation the rights
12 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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27 */
28 
29 #ifndef __GLPBRENDERTEXTURE_H__
30 #define __GLPBRENDERTEXTURE_H__
31 
32 #include "OgreGLRenderTexture.h"
33 #include "OgreGLPBuffer.h"
34 namespace Ogre {
35 
38  class GLPBRTTManager;
40  {
41  public:
42  GLPBRenderTexture(GLPBRTTManager *manager, const String &name, const GLSurfaceDesc &target, bool writeGamma, uint fsaa);
43  virtual ~GLPBRenderTexture();
44 
45  virtual void getCustomAttribute(const String& name, void* pData);
46  protected:
49  };
50 
54  {
55  public:
56  GLPBRTTManager(GLSupport *support, RenderTarget *mainwindow);
57  virtual ~GLPBRTTManager();
58 
61  virtual RenderTexture *createRenderTexture(const String &name,
62  const GLSurfaceDesc &target, bool writeGamma, uint fsaa);
63 
66  virtual bool checkFormat(PixelFormat format);
67 
70  virtual void bind(RenderTarget *target);
71 
74  virtual void unbind(RenderTarget *target);
75 
78  void requestPBuffer(PixelComponentType ctype, uint32 width, uint32 height);
79 
82  void releasePBuffer(PixelComponentType ctype);
83 
86  GLContext *getContextFor(PixelComponentType ctype, uint32 width, uint32 height);
87  protected:
95  struct PBRef
96  {
97  PBRef(): pb(0),refcount(0) {}
99  size_t refcount;
100  };
102  PBRef mPBuffers[PCT_COUNT];
103  };
104 }
105 
106 #endif // __GLPBRENDERTEXTURE_H__
A 'canvas' which can receive the results of a rendering operation.
Manager for rendertextures and PBuffers (offscreen rendering contexts)
unsigned int uint32
Definition: OgrePlatform.h:420
This class represents a RenderTarget that renders to a Texture.
GLContext * mMainContext
Primary window context.
#define _OgreGLExport
PixelComponentType mPBFormat
GLSupport * mSupport
GLSupport reference, used to create PBuffers.
PixelComponentType
Pixel component format.
PixelFormat
The pixel format used for images, textures, and render surfaces.
An off-screen rendering context.
Definition: OgreGLPBuffer.h:38
Class that encapsulates an GL context.
Definition: OgreGLContext.h:41
RenderTarget * mMainWindow
Primary window reference.
Base class for GL Render Textures.
Unsigned integer per component.
_StringBase String
Definition: OgreCommon.h:53
Manager/factory for RenderTextures.
GL surface descriptor.
Reference to a PBuffer, with refcount.
unsigned int uint