Crazy Eddie's GUI System  0.8.7
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
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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);
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 
87  typedef std::vector<BatchInfo> BatchList;
91  typedef std::vector<DFBVertex> VertexList;
97  bool d_clippingActive;
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_
CEGUI::DirectFBGeometryBuffer::BatchList
std::vector< BatchInfo > BatchList
type of container that tracks BatchInfos.
Definition: RendererModules/DirectFB/GeometryBuffer.h:111
CEGUI::DirectFBGeometryBuffer::d_owner
DirectFBRenderer & d_owner
DirectFBRenderer object that created and owns this GeometryBuffer.
Definition: RendererModules/DirectFB/GeometryBuffer.h:107
CEGUI::DirectFBGeometryBuffer::getActiveTexture
Texture * getActiveTexture() const
Return a pointer to the currently active Texture object. This may return 0 if no texture is set.
CEGUI::DirectFBGeometryBuffer::d_pivot
Vector3f d_pivot
pivot point for rotation
Definition: RendererModules/DirectFB/GeometryBuffer.h:127
CEGUI::DirectFBGeometryBuffer::getRenderEffect
RenderEffect * getRenderEffect()
Return the RenderEffect object that is assigned to this GeometryBuffer or 0 if none.
CEGUI::DirectFBTexture
Implementation of CEGUI::Texture interface using DirectFB.
Definition: RendererModules/DirectFB/Texture.h:62
CEGUI::DirectFBGeometryBuffer::setTranslation
void setTranslation(const Vector3f &v)
Set the translation to be applied to the geometry in the buffer when it is subsequently rendered.
CEGUI::DirectFBGeometryBuffer::setClippingActive
void setClippingActive(const bool active)
Set whether clipping will be active for subsequently added vertices.
CEGUI
Main namespace for Crazy Eddie's GUI Library.
Definition: arch_overview.dox:1
CEGUI::Quaternion
Class to represent rotation, avoids Gimbal lock.
Definition: Quaternion.h:93
CEGUI::DirectFBGeometryBuffer::d_effect
RenderEffect * d_effect
RenderEffect that will be used by the GeometryBuffer.
Definition: RendererModules/DirectFB/GeometryBuffer.h:129
CEGUI::DirectFBGeometryBuffer::setRenderEffect
void setRenderEffect(RenderEffect *effect)
Set the RenderEffect to be used by this GeometryBuffer.
CEGUI::DirectFBGeometryBuffer::VertexList
std::vector< DFBVertex > VertexList
type of container used to queue the geometry
Definition: RendererModules/DirectFB/GeometryBuffer.h:115
CEGUI::DirectFBGeometryBuffer::d_batches
BatchList d_batches
list of texture batches added to the geometry buffer
Definition: RendererModules/DirectFB/GeometryBuffer.h:113
CEGUI::Vector3< float >
CEGUI::DirectFBGeometryBuffer::getBatchCount
uint getBatchCount() const
Return the number of batches of geometry that this GeometryBuffer has split the vertices into.
CEGUI::DirectFBGeometryBuffer::DirectFBGeometryBuffer
DirectFBGeometryBuffer(DirectFBRenderer &owner)
Constructor.
CEGUI::DirectFBGeometryBuffer::d_matrix
s32 d_matrix[9]
model matrix cache
Definition: RendererModules/DirectFB/GeometryBuffer.h:131
CEGUI::DirectFBGeometryBuffer::updateMatrix
void updateMatrix() const
update cached matrix
CEGUI::DirectFBGeometryBuffer::~DirectFBGeometryBuffer
~DirectFBGeometryBuffer()
Destructor.
CEGUI::DirectFBGeometryBuffer::setRotation
void setRotation(const Quaternion &r)
Set the rotations to be applied to the geometry in the buffer when it is subsequently rendered.
CEGUI::DirectFBGeometryBuffer::d_matrixValid
bool d_matrixValid
true when d_matrix is valid and up to date
Definition: RendererModules/DirectFB/GeometryBuffer.h:133
CEGUI::DirectFBGeometryBuffer::d_translation
Vector3f d_translation
translation vector
Definition: RendererModules/DirectFB/GeometryBuffer.h:123
CEGUI::DirectFBGeometryBuffer::getVertexCount
uint getVertexCount() const
Return the total number of vertices currently held by this GeometryBuffer object.
CEGUI::DirectFBGeometryBuffer::d_clippingActive
bool d_clippingActive
whether clipping will be active for the current batch
Definition: RendererModules/DirectFB/GeometryBuffer.h:121
CEGUI::DirectFBGeometryBuffer::appendVertex
void appendVertex(const Vertex &vertex)
Append a single vertex to the buffer.
CEGUI::DirectFBGeometryBuffer::setClippingRegion
void setClippingRegion(const Rectf &region)
Set the clipping region to be used when rendering this buffer.
CEGUI::DirectFBGeometryBuffer::BatchInfo
type to track info for per-texture sub batches of geometry
Definition: RendererModules/DirectFB/GeometryBuffer.h:99
CEGUI::DirectFBGeometryBuffer::d_vertices
VertexList d_vertices
container where added geometry is stored.
Definition: RendererModules/DirectFB/GeometryBuffer.h:117
CEGUI::DirectFBGeometryBuffer::appendGeometry
void appendGeometry(const Vertex *const vbuff, uint vertex_count)
Append a number of vertices from an array to the GeometryBuffer.
CEGUI::DirectFBGeometryBuffer::setPivot
void setPivot(const Vector3f &p)
Set the pivot point to be used when applying the rotations.
CEGUI::DirectFBGeometryBuffer::d_rotation
Quaternion d_rotation
rotation vector
Definition: RendererModules/DirectFB/GeometryBuffer.h:125
CEGUI::Rect< float >
CEGUI::RenderEffect
Interface for objects that hook into RenderingWindow to affect the rendering process,...
Definition: RenderEffect.h:64
CEGUI::DirectFBGeometryBuffer::setActiveTexture
void setActiveTexture(Texture *texture)
Set the active texture to be used with all subsequently added vertices.
CEGUI::DirectFBGeometryBuffer::draw
void draw() const
Draw the geometry buffered within this GeometryBuffer object.
CEGUI::DirectFBGeometryBuffer::reset
void reset()
Clear all buffered data and reset the GeometryBuffer to the default state.
CEGUI::DirectFBRenderer
Implementation of CEGUI::Renderer interface using DirectFB.
Definition: RendererModules/DirectFB/Renderer.h:68
CEGUI::DirectFBGeometryBuffer::d_clipRect
Rectf d_clipRect
rectangular clip region
Definition: RendererModules/DirectFB/GeometryBuffer.h:119
CEGUI::DirectFBGeometryBuffer::d_activeTexture
DirectFBTexture * d_activeTexture
last texture that was set as active
Definition: RendererModules/DirectFB/GeometryBuffer.h:109