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mutter-performance-source/cogl/tesselator/GL/glu.h

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cogl: Pull in the code for GLU tesselator from Mesa/SGI This copies the files for the GLU tesselator from Mesa. The Mesa code is based on the original SGI code and is released under a BSD license. The memalloc.h header has been replaced with one that forces the code to use g_malloc and friends. The rest of the files are not altered from the original so it should be possible to later upgrade the files by simply overwriting them. There is a tesselator.h header which is expected to be included by rest of Cogl to use the tesselator. This contains a trimmed down version of glu.h that only includes parts that pertain to the tesselator. There is also a stub glu.h in the GL directory which is just provided so that the tesselator code can include <GL/gl.h> without depending on the system header. It just redirects to tesselator.h
2010-04-15 23:28:15 +00:00
/*
* Cogl
*
* An object oriented GL/GLES Abstraction/Utility Layer
*
* Copyright (C) 2010 Intel Corporation.
*
* 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, see <http://www.gnu.org/licenses/>.
*
*/
/* This is just a wrapper to use our simplified version of glu.h so
that the tesselator code can still #include <GL/glu.h> */
#include "../tesselator.h"
Fix building the tesselator code for GLES The tesselator code uses some defines that it expects to be in the GL headers such as GLAPI and GLAPIENTRY. These are used to mark the entry points as exportable on each platform. We don't really want the tesselator code to use these but we also don't want to modify the C files so instead they are #defined to be empty in the stub glu.h. That header is only included internally when building the tesselator/ files so it shouldn't affect the rest of Cogl. GLES also doesn't have a GLdouble type so we just #define this to be a regular double.
2010-07-01 19:34:59 +00:00
/* These aren't defined on GLES and we don't really want the
tesselator code to use them but we're also trying to avoid
modifying the C files so we just force them to be empty here */
#undef GLAPI
#define GLAPI
#undef GLAPIENTRY
#define GLAPIENTRY
/* GLES doesn't define a GLdouble type so lets just force it to a
regular double */
#define GLdouble double
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