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magnum/src/Magnum/OpenGL.h

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Moved OpenGL includes out from Magnum.h. OpenGL includes are ~35k lines together and it is a waste of compilation time to include them even if they are not needed at all (e.g. whole SceneGraph and Physics libraries). Saves ~10s of compilation time (6:46 before, now 6:35).
13 years ago
#ifndef Magnum_OpenGL_h
#define Magnum_OpenGL_h
/*
This file is part of Magnum.
Oh, it's 2015 already.
11 years ago
Copyright © 2010, 2011, 2012, 2013, 2014, 2015
Happy new year too.
12 years ago
Vladimír Vondruš <mosra@centrum.cz>
Relicensing to MIT/Expat license, part 2: headers.
13 years ago
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.
Moved OpenGL includes out from Magnum.h. OpenGL includes are ~35k lines together and it is a waste of compilation time to include them even if they are not needed at all (e.g. whole SceneGraph and Physics libraries). Saves ~10s of compilation time (6:46 before, now 6:35).
13 years ago
Relicensing to MIT/Expat license, part 2: headers.
13 years ago
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.
Moved OpenGL includes out from Magnum.h. OpenGL includes are ~35k lines together and it is a waste of compilation time to include them even if they are not needed at all (e.g. whole SceneGraph and Physics libraries). Saves ~10s of compilation time (6:46 before, now 6:35).
13 years ago
*/
/** @file
* @brief OpenGL headers
*/
Making includes absolute, part 4: using absolute includes for Corrade. Also adapted to some Corrade renames.
13 years ago
#include <Corrade/configure.h>
Making includes absolute, part 6: better filenames for internal files. As we are now using absolute includes, there is no need to prefix everything with "magnum<Namespace>" etc. All generated configuration files are renamed to configure.h and their path is included _before_ everything else to avoid accidental collisions.
13 years ago
#include "Magnum/configure.h"
Moved OpenGL includes out from Magnum.h. OpenGL includes are ~35k lines together and it is a waste of compilation time to include them even if they are not needed at all (e.g. whole SceneGraph and Physics libraries). Saves ~10s of compilation time (6:46 before, now 6:35).
13 years ago
Cleaned up OpenGL.h header. I didn't know that C preprocessor had `#elif` until now. Learning something new every day.
13 years ago
/* Desktop OpenGL */
Moved OpenGL includes out from Magnum.h. OpenGL includes are ~35k lines together and it is a waste of compilation time to include them even if they are not needed at all (e.g. whole SceneGraph and Physics libraries). Saves ~10s of compilation time (6:46 before, now 6:35).
13 years ago
#ifndef MAGNUM_TARGET_GLES
Using flextGL instead of glLoadGen for GL extension loading. The function pointer loading is now moved to Application classes to make it possible to decide about platform-specific API at usage time, not at library compilation time. Currently it's not possible to create the Magnum context any other way than through Application classes, will solve that in next commits.
12 years ago
#include "MagnumExternal/OpenGL/GL/flextGL.h"
Fixed NaCl issues with gl2.h. Headers gl2.h and gl2ext.h shipped with NaCl are different to the official ones, which is causing linker issues, thus using NaCl's own gl2.h. They are otherwise similar, thus it should cause no compatibility issues. On the other hand, gl2ext.h shipped with NaCl is slightly outdated with some recent extensions missing. We are including the NaCl's one and then the official one over it (undefining the include guard). The symbols are guarded also by extensions, so it should cause no conflicts.
13 years ago
Use flextGL also for OpenGL ES. Currently just regenerated the stock headers using flextGL, reducing line count a bit. No dynamic extension loading or function pointers yet, trying to make as little changes as possible.
12 years ago
/* Special case for NaCl */
NaCl target system is now handled with CORRADE_TARGET_NACL.
13 years ago
#elif defined(CORRADE_TARGET_NACL)
Use flextGL also for OpenGL ES. Currently just regenerated the stock headers using flextGL, reducing line count a bit. No dynamic extension loading or function pointers yet, trying to make as little changes as possible.
12 years ago
/* No extension loading */
#include "MagnumExternal/OpenGL/GLES2/flextGLNaCl.h"
Implemented CHROMIUM_map_sub for Buffer.
13 years ago
Use flextGL also for OpenGL ES. Currently just regenerated the stock headers using flextGL, reducing line count a bit. No dynamic extension loading or function pointers yet, trying to make as little changes as possible.
12 years ago
/* Needed for NaCl-specific extensions */
#define GL_GLEXT_PROTOTYPES
#define GLES2_GET_FUN(name) GLES2##name
Indent the nested ifdefs for better readability.
13 years ago
#include <GLES2/gl2ext.h>
Work around missing types in NaCl's `gl2.h`.
13 years ago
Use flextGL also for OpenGL ES. Currently just regenerated the stock headers using flextGL, reducing line count a bit. No dynamic extension loading or function pointers yet, trying to make as little changes as possible.
12 years ago
/* Special case for Emscripten (no extension loading) */
#elif defined(CORRADE_TARGET_EMSCRIPTEN)
Initial support for WebGL 2. The actual WebGL 2 distinction was done as a part of previous WebGL cleanup. It compiles, but is completely broken, as Emscripten has some missing bits to go through at least Context class creation.
11 years ago
#ifdef MAGNUM_TARGET_GLES2
#include "MagnumExternal/OpenGL/GLES2/flextGLEmscripten.h"
#else
#include "MagnumExternal/OpenGL/GLES3/flextGLEmscripten.h"
#endif
Cleaned up OpenGL.h header. I didn't know that C preprocessor had `#elif` until now. Learning something new every day.
13 years ago
/* Generic OpenGL ES */
Use flextGL also for OpenGL ES. Currently just regenerated the stock headers using flextGL, reducing line count a bit. No dynamic extension loading or function pointers yet, trying to make as little changes as possible.
12 years ago
#elif defined(MAGNUM_TARGET_GLES2)
#include "MagnumExternal/OpenGL/GLES2/flextGL.h"
Cleaned up OpenGL.h header. I didn't know that C preprocessor had `#elif` until now. Learning something new every day.
13 years ago
#else
Use flextGL also for OpenGL ES. Currently just regenerated the stock headers using flextGL, reducing line count a bit. No dynamic extension loading or function pointers yet, trying to make as little changes as possible.
12 years ago
#include "MagnumExternal/OpenGL/GLES3/flextGL.h"
Moved OpenGL includes out from Magnum.h. OpenGL includes are ~35k lines together and it is a waste of compilation time to include them even if they are not needed at all (e.g. whole SceneGraph and Physics libraries). Saves ~10s of compilation time (6:46 before, now 6:35).
13 years ago
#endif
#endif