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GL3GeometryBuffer.h
1 /***********************************************************************
2  created: Wed, 8th Feb 2012
3  author: Lukas E Meindl (based on code by Paul D Turner)
4 *************************************************************************/
5 /***************************************************************************
6  * Copyright (C) 2004 - 2013 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 _CEGUIOpenGL3GeometryBuffer_h_
28 #define _CEGUIOpenGL3GeometryBuffer_h_
29 
30 #include "CEGUI/RendererModules/OpenGL/GeometryBufferBase.h"
31 
32 namespace CEGUI
33 {
34 class OpenGL3Shader;
35 class OpenGL3StateChangeWrapper;
36 class OpenGL3Renderer;
37 
39 class OPENGL_GUIRENDERER_API OpenGL3GeometryBuffer : public OpenGLGeometryBufferBase
40 {
41 public:
44  virtual ~OpenGL3GeometryBuffer();
45 
46  void initialiseOpenGLBuffers();
47  void deinitialiseOpenGLBuffers();
48  void updateOpenGLBuffers();
49 
50  // implementation/overrides of members from GeometryBuffer
51  void draw() const;
52  void appendGeometry(const Vertex* const vbuff, uint vertex_count);
53  void reset();
54 
55 protected:
57  GLuint d_verticesVAO;
59  GLuint d_verticesVBO;
63  const GLint d_shaderPosLoc;
65  const GLint d_shaderTexCoordLoc;
67  const GLint d_shaderColourLoc;
73  GLuint d_bufferSize;
74 };
75 
76 }
77 
78 #endif
79