derelict.opengl.gl source code

1 /*
2 
3 Boost Software License - Version 1.0 - August 17th, 2003
4 
5 Permission is hereby granted, free of charge, to any person or organization
6 obtaining a copy of the software and accompanying documentation covered by
7 this license (the "Software") to use, reproduce, display, distribute,
8 execute, and transmit the Software, and to prepare derivative works of the
9 Software, and to permit third-parties to whom the Software is furnished to
10 do so, all subject to the following:
11 
12 The copyright notices in the Software and this entire statement, including
13 the above license grant, this restriction and the following disclaimer,
14 must be included in all copies of the Software, in whole or in part, and
15 all derivative works of the Software, unless such copies or derivative
16 works are solely in the form of machine-executable object code generated by
17 a source language processor.
18 
19 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
22 SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
23 FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
24 ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
25 DEALINGS IN THE SOFTWARE.
26 
27 */
28 module derelict.opengl.gl;
29 
30 import std.array;
31 import derelict.util.loader,
32        derelict.util.system;
33 
34 import derelict.opengl.glloader,
35        derelict.opengl.types : GLVersion, usingContexts;
36 
37 final class DerelictGL3Loader : SharedLibLoader
38 {
39     this() { super(libNames); }
40 
41     static if(!usingContexts) {
42         GLLoader glLoader;
43         alias glLoader this;
44 
45         GLVersion reload() { return glLoader.loadExtra(); }
46     }
47 
48 protected:
49     override void loadSymbols()
50     {
51         static if(!usingContexts) glLoader.loadBase();
52     }
53 }
54 
55 __gshared DerelictGL3Loader DerelictGL3;
56 
57 shared static this()
58 {
59     DerelictGL3 = new DerelictGL3Loader;
60 }
61 
62 private:
63     static if(Derelict_OS_Android || Derelict_OS_iOS) {
64         // Android and iOS do not support OpenGL3; use DerelictOpenGLES.
65         static assert(false, "OpenGL is not supported on Android or iOS; use OpenGLES (DerelictGLES) instead");
66     } else static if(Derelict_OS_Windows) {
67         private enum libNames = "opengl32.dll";
68     } else static if(Derelict_OS_Mac) {
69         private enum libNames = "../Frameworks/OpenGL.framework/OpenGL, /Library/Frameworks/OpenGL.framework/OpenGL, /System/Library/Frameworks/OpenGL.framework/OpenGL";
70     } else static if(Derelict_OS_Posix) {
71         private enum libNames = "libGL.so.1,libGL.so";
72     } else
73         static assert(0, "Need to implement OpenGL libNames for this operating system.");
74