74 lines
2.4 KiB
C
74 lines
2.4 KiB
C
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2014 Blender Foundation.
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* All rights reserved.
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*/
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/** \file
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* \ingroup glew-mx
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*
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* Support for GLEW Multiple rendering conteXts (MX)
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* Maintained as a Blender Library.
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*
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* Different rendering contexts may have different entry points
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* to extension functions of the same name. So it can cause
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* problems if, for example, a second context uses a pointer to
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* say, glActiveTextureARB, that was queried from the first context.
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*
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* GLEW has basic support for multiple contexts by enabling WITH_GLEW_MX,
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* but it does not provide a full implementation. This is because
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* there are too many questions about thread safety and memory
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* allocation that are up to the user of GLEW.
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*
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* This implementation is very basic and isn't thread safe.
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* For a single context the overhead should be
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* no more than using GLEW without WITH_GLEW_MX enabled.
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*/
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#ifndef __GLEW_MX_H__
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#define __GLEW_MX_H__
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#include <GL/glew.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "intern/symbol-binding.h"
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/* If compiling only for OpenGL 3.2 Core Profile then we should make sure
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* no legacy API entries or symbolic constants are used.
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*/
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#if (!defined(WITH_LEGACY_OPENGL)) || defined(WITH_GL_PROFILE_CORE) && \
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!defined(WITH_GL_PROFILE_COMPAT) && \
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!defined(WITH_GL_PROFILE_ES20)
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# include "intern/gl-deprecated.h"
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#endif
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GLenum glew_chk(GLenum error, const char *file, int line, const char *text);
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#ifndef NDEBUG
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# define GLEW_CHK(x) glew_chk((x), __FILE__, __LINE__, # x)
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#else
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# define GLEW_CHK(x) glew_chk((x), NULL, 0, NULL)
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* __GLEW_MX_H__ */
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