1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
|
//
// libavg - Media Playback Engine.
// Copyright (C) 2003-2014 Ulrich von Zadow
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// Current versions can be found at www.libavg.de
//
#ifndef _VertexData_H_
#define _VertexData_H_
#include "../api.h"
#include "Pixel32.h"
#include "OGLHelper.h"
#include "../base/GLMHelper.h"
#include <boost/shared_ptr.hpp>
namespace avg {
struct Vertex {
GLshort m_Tex[2]; // 4.12 fixed point.
GLfloat m_Pos[2];
Pixel32 m_Color;
};
class VertexData;
typedef boost::shared_ptr<VertexData> VertexDataPtr;
#ifdef AVG_ENABLE_EGL
#define GL_INDEX_TYPE unsigned short
#else
#define GL_INDEX_TYPE unsigned int
#endif
class AVG_API VertexData {
public:
VertexData(int reserveVerts = 0, int reserveIndexes = 0);
virtual ~VertexData();
void appendPos(const glm::vec2& pos,
const glm::vec2& texPos, const Pixel32& color = Pixel32(0,0,0,0));
void appendTriIndexes(int v0, int v1, int v2);
void appendQuadIndexes(int v0, int v1, int v2, int v3);
void addLineData(Pixel32 color, const glm::vec2& p1, const glm::vec2& p2,
float width, float tc1=0, float tc2=1);
void appendVertexData(const VertexDataPtr& pVertexes);
bool hasDataChanged() const;
void resetDataChanged();
void reset();
int getNumVerts() const;
int getNumIndexes() const;
void dump() const;
void dump(unsigned startVertex, int numVerts, unsigned startIndex, int numIndexes)
const;
protected:
int getReserveVerts() const;
int getReserveIndexes() const;
const Vertex * getVertexPointer() const;
const GL_INDEX_TYPE * getIndexPointer() const;
static const int MIN_VERTEXES;
static const int MIN_INDEXES;
private:
void grow();
int m_NumVerts;
int m_NumIndexes;
int m_ReserveVerts;
int m_ReserveIndexes;
Vertex * m_pVertexData;
GL_INDEX_TYPE * m_pIndexData;
bool m_bDataChanged;
};
std::ostream& operator<<(std::ostream& os, const Vertex& v);
}
#endif
|
