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
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
38namespace CEGUI
39{
40class DirectFBRenderer;
41class DirectFBTexture;
42
45{
46public:
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();
63 uint getVertexCount() const;
64 uint getBatchCount() const;
67 void setClippingActive(const bool active);
68 bool isClippingActive() const;
69
70protected:
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;
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_
Implemetation of CEGUI::GeometryBuffer for DirectFB.
Definition: RendererModules/DirectFB/GeometryBuffer.h:45
void setClippingRegion(const Rectf &region)
Set the clipping region to be used when rendering this buffer.
s32 d_matrix[9]
model matrix cache
Definition: RendererModules/DirectFB/GeometryBuffer.h:107
Vector3f d_translation
translation vector
Definition: RendererModules/DirectFB/GeometryBuffer.h:99
void setPivot(const Vector3f &p)
Set the pivot point to be used when applying the rotations.
void setActiveTexture(Texture *texture)
Set the active texture to be used with all subsequently added vertices.
void updateMatrix() const
update cached matrix
uint getVertexCount() const
Return the total number of vertices currently held by this GeometryBuffer object.
void setRotation(const Quaternion &r)
Set the rotations to be applied to the geometry in the buffer when it is subsequently rendered.
void appendVertex(const Vertex &vertex)
Append a single vertex to the buffer.
void setClippingActive(const bool active)
Set whether clipping will be active for subsequently added vertices.
bool d_matrixValid
true when d_matrix is valid and up to date
Definition: RendererModules/DirectFB/GeometryBuffer.h:109
Rectf d_clipRect
rectangular clip region
Definition: RendererModules/DirectFB/GeometryBuffer.h:95
Quaternion d_rotation
rotation vector
Definition: RendererModules/DirectFB/GeometryBuffer.h:101
std::vector< DFBVertex > VertexList
type of container used to queue the geometry
Definition: RendererModules/DirectFB/GeometryBuffer.h:91
uint getBatchCount() const
Return the number of batches of geometry that this GeometryBuffer has split the vertices into.
Texture * getActiveTexture() const
Return a pointer to the currently active Texture object. This may return 0 if no texture is set.
DirectFBGeometryBuffer(DirectFBRenderer &owner)
Constructor.
Vector3f d_pivot
pivot point for rotation
Definition: RendererModules/DirectFB/GeometryBuffer.h:103
void draw() const
Draw the geometry buffered within this GeometryBuffer object.
DirectFBTexture * d_activeTexture
last texture that was set as active
Definition: RendererModules/DirectFB/GeometryBuffer.h:85
BatchList d_batches
list of texture batches added to the geometry buffer
Definition: RendererModules/DirectFB/GeometryBuffer.h:89
void appendGeometry(const Vertex *const vbuff, uint vertex_count)
Append a number of vertices from an array to the GeometryBuffer.
void setTranslation(const Vector3f &v)
Set the translation to be applied to the geometry in the buffer when it is subsequently rendered.
void setRenderEffect(RenderEffect *effect)
Set the RenderEffect to be used by this GeometryBuffer.
void reset()
Clear all buffered data and reset the GeometryBuffer to the default state.
std::vector< BatchInfo > BatchList
type of container that tracks BatchInfos.
Definition: RendererModules/DirectFB/GeometryBuffer.h:87
VertexList d_vertices
container where added geometry is stored.
Definition: RendererModules/DirectFB/GeometryBuffer.h:93
~DirectFBGeometryBuffer()
Destructor.
bool d_clippingActive
whether clipping will be active for the current batch
Definition: RendererModules/DirectFB/GeometryBuffer.h:97
RenderEffect * getRenderEffect()
Return the RenderEffect object that is assigned to this GeometryBuffer or 0 if none.
DirectFBRenderer & d_owner
DirectFBRenderer object that created and owns this GeometryBuffer.
Definition: RendererModules/DirectFB/GeometryBuffer.h:83
RenderEffect * d_effect
RenderEffect that will be used by the GeometryBuffer.
Definition: RendererModules/DirectFB/GeometryBuffer.h:105
Implementation of CEGUI::Renderer interface using DirectFB.
Definition: RendererModules/DirectFB/Renderer.h:45
Implementation of CEGUI::Texture interface using DirectFB.
Definition: RendererModules/DirectFB/Texture.h:39
Abstract class defining the interface for objects that buffer geometry for later rendering.
Definition: GeometryBuffer.h:44
Class to represent rotation, avoids Gimbal lock.
Definition: Quaternion.h:69
Interface for objects that hook into RenderingWindow to affect the rendering process,...
Definition: RenderEffect.h:42
Abstract base class specifying the required interface for Texture objects.
Definition: Texture.h:54
Main namespace for Crazy Eddie's GUI Library.
Definition: arch_overview.dox:1
type to track info for per-texture sub batches of geometry
Definition: RendererModules/DirectFB/GeometryBuffer.h:76
structure that is used to hold details of a single vertex in 3D space.
Definition: Vertex.h:42