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
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
|
/**************************************************************************
*
* Copyright 2011 Jose Fonseca
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
**************************************************************************/
/*
* Abstraction for GL window system specific APIs (GLX, WGL).
*/
#ifndef _GLWS_HPP_
#define _GLWS_HPP_
#include <vector>
namespace glws {
enum Profile {
PROFILE_COMPAT = 0,
PROFILE_CORE,
PROFILE_ES1,
PROFILE_ES2,
};
extern bool debug;
bool
checkExtension(const char *extName, const char *extString);
template< class T >
class Attributes {
protected:
std::vector<T> attribs;
public:
void add(T param) {
attribs.push_back(param);
}
void add(T pname, T pvalue) {
add(pname);
add(pvalue);
}
void end(T terminator = 0) {
add(terminator);
}
operator T * (void) {
return &attribs[0];
}
operator const T * (void) const {
return &attribs[0];
}
};
class Visual
{
public:
unsigned long redMask;
unsigned long greenMask;
unsigned long blueMask;
unsigned long alphaMask;
bool doubleBuffer;
virtual ~Visual() {}
};
class Drawable
{
public:
const Visual *visual;
int width;
int height;
bool visible;
Drawable(const Visual *vis, int w, int h) :
visual(vis),
width(w),
height(h),
visible(false)
{}
virtual ~Drawable() {}
virtual void
resize(int w, int h) {
width = w;
height = h;
}
virtual void
show(void) {
visible = true;
}
virtual void swapBuffers(void) = 0;
};
class Context
{
public:
const Visual *visual;
Profile profile;
Context(const Visual *vis, Profile prof) :
visual(vis),
profile(prof)
{}
virtual ~Context() {}
};
void
init(void);
void
cleanup(void);
Visual *
createVisual(bool doubleBuffer = false);
Drawable *
createDrawable(const Visual *visual, int width = 32, int height = 32);
Context *
createContext(const Visual *visual, Context *shareContext = 0, Profile profile = PROFILE_COMPAT);
bool
makeCurrent(Drawable *drawable, Context *context);
bool
processEvents(void);
} /* namespace glws */
#endif /* _GLWS_HPP_ */
|
