Crazy Eddie's GUI System  0.8.4
 All Classes Namespaces Functions Variables Typedefs Enumerations Enumerator Friends Pages
RendererModules/DirectFB/GeometryBuffer.h
1 /***********************************************************************
2  created: Tue Mar 10 2009
3  author: Paul D Turner (parts based on code by Keith Mok)
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 _CEGUIDirectFBGeometryBuffer_h_
28 #define _CEGUIDirectFBGeometryBuffer_h_
29 
30 #include "CEGUI/GeometryBuffer.h"
31 #include "CEGUI/Rect.h"
32 #include "CEGUI/Quaternion.h"
33 #include <directfb.h>
34 #include <vector>
35 
36 
37 // Start of CEGUI namespace section
38 namespace CEGUI
39 {
40 class DirectFBRenderer;
41 class DirectFBTexture;
42 
44 class DirectFBGeometryBuffer : public GeometryBuffer
45 {
46 public:
48  DirectFBGeometryBuffer(DirectFBRenderer& owner);
50  ~DirectFBGeometryBuffer();
51 
52  // Implement GeometryBuffer interface.
53  void draw() const;
54  void setTranslation(const Vector3f& v);
55  void setRotation(const Quaternion& r);
56  void setPivot(const Vector3f& p);
57  void setClippingRegion(const Rectf& region);
58  void appendVertex(const Vertex& vertex);
59  void appendGeometry(const Vertex* const vbuff, uint vertex_count);
60  void setActiveTexture(Texture* texture);
61  void reset();
62  Texture* getActiveTexture() const;
63  uint getVertexCount() const;
64  uint getBatchCount() const;
65  void setRenderEffect(RenderEffect* effect);
66  RenderEffect* getRenderEffect();
67  void setClippingActive(const bool active);
68  bool isClippingActive() const;
69 
70 protected:
72  void updateMatrix() const;
73 
75  struct BatchInfo
76  {
77  IDirectFBSurface* texture;
78  uint vertexCount;
79  bool clip;
80  };
81 
83  DirectFBRenderer& d_owner;
85  DirectFBTexture* d_activeTexture;
87  typedef std::vector<BatchInfo> BatchList;
89  BatchList d_batches;
91  typedef std::vector<DFBVertex> VertexList;
93  VertexList d_vertices;
95  Rectf d_clipRect;
97  bool d_clippingActive;
99  Vector3f d_translation;
101  Quaternion d_rotation;
103  Vector3f d_pivot;
105  RenderEffect* d_effect;
107  mutable s32 d_matrix[9];
109  mutable bool d_matrixValid;
110 };
111 
112 } // End of CEGUI namespace section
113 
114 #endif // end of guard _CEGUIDirectFBGeometryBuffer_h_