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gl.h
1 //
2 // Copyright 2016 Pixar
3 //
4 // Licensed under the Apache License, Version 2.0 (the "Apache License")
5 // with the following modification; you may not use this file except in
6 // compliance with the Apache License and the following modification to it:
7 // Section 6. Trademarks. is deleted and replaced with:
8 //
9 // 6. Trademarks. This License does not grant permission to use the trade
10 // names, trademarks, service marks, or product names of the Licensor
11 // and its affiliates, except as required to comply with Section 4(c) of
12 // the License and to reproduce the content of the NOTICE file.
13 //
14 // You may obtain a copy of the Apache License at
15 //
16 // http://www.apache.org/licenses/LICENSE-2.0
17 //
18 // Unless required by applicable law or agreed to in writing, software
19 // distributed under the Apache License with the above modification is
20 // distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
21 // KIND, either express or implied. See the Apache License for the specific
22 // language governing permissions and limitations under the Apache License.
23 //
24 #ifndef GARCH_GL_H
25 #define GARCH_GL_H
26 
27 #include "pxr/pxr.h"
28 #include "pxr/base/arch/defines.h"
29 #if defined(ARCH_OS_DARWIN)
30 // Apple installs OpenGL headers in a non-standard location.
31 #include <OpenGL/gl.h>
32 #elif defined(ARCH_OS_WINDOWS)
33 // Windows must include Windows.h prior to gl.h
34 #include <Windows.h>
35 #include <GL/gl.h>
36 #else
37 #include <GL/gl.h>
38 #endif
39 
40 #ifdef ARCH_OS_DARWIN
41 
42 PXR_NAMESPACE_OPEN_SCOPE
43 
44 typedef GLvoid (*ArchGLCallbackType)(...);
45 
46 #define GL_RGBA16F 0x881A
47 #define GL_RGB16F 0x881B
48 #define GL_RGBA32F 0x8814
49 #define GL_RGB32F 0x8815
50 
51 PXR_NAMESPACE_CLOSE_SCOPE
52 
53 #else // !ARCH_OS_DARWIN
54 
55 PXR_NAMESPACE_OPEN_SCOPE
56 
57 typedef GLvoid (*ArchGLCallbackType)();
58 
59 PXR_NAMESPACE_CLOSE_SCOPE
60 
61 #endif // ARCH_OS_DARWIN
62 
63 #endif // GARCH_GL_H