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79acb088e7
Since using addresses that might change is something that finally the FSF acknowledge as a plausible scenario (after changing address twice), the license blurb in the source files should use the URI for getting the license in case the library did not come with it. Not that URIs cannot possibly change, but at least it's easier to set up a redirection at the same place. As a side note: this commit closes the oldes bug in Clutter's bug report tool. http://bugzilla.openedhand.com/show_bug.cgi?id=521
72 lines
2.5 KiB
C
72 lines
2.5 KiB
C
/*
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* Cogl
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*
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* An object oriented GL/GLES Abstraction/Utility Layer
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*
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* Copyright (C) 2009 Intel Corporation.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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*
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*/
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#ifndef __COGL_FEATURE_PRIVATE_H
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#define __COGL_FEATURE_PRIVATE_H
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#include <glib.h>
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#define COGL_CHECK_GL_VERSION(driver_major, driver_minor, \
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target_major, target_minor) \
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((driver_major) > (target_major) || \
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((driver_major) == (target_major) && (driver_minor) >= (target_minor)))
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typedef struct _CoglFeatureFunction CoglFeatureFunction;
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struct _CoglFeatureFunction
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{
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/* The name of the function without the "EXT" or "ARB" suffix */
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const char *name;
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/* The offset in the context of where to store the function pointer */
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unsigned int pointer_offset;
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};
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typedef struct _CoglFeatureData CoglFeatureData;
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struct _CoglFeatureData
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{
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/* A minimum GL version which the functions should be defined in
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without needing an extension. Set to 255,255 if it's only
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provided in an extension */
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guint8 min_gl_major, min_gl_minor;
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/* \0 separated list of namespaces to try. Eg "EXT\0ARB\0" */
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const char *namespaces;
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/* \0 separated list of required extension names without the GL_EXT
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or GL_ARB prefix. All of the extensions must be available for the
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feature to be considered available. If the suffix for an
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extension is different from the namespace, you can specify it
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with a ':' after the namespace */
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const char *extension_names;
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/* A set of feature flags to enable if the extension is available */
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CoglFeatureFlags feature_flags;
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/* A list of functions required for this feature. Terminated with a
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NULL name */
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const CoglFeatureFunction *functions;
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};
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gboolean _cogl_feature_check (const CoglFeatureData *data,
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unsigned int gl_major, unsigned int gl_minor,
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const char *extensions_string);
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#endif /* __COGL_FEATURE_PRIVATE_H */
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