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be15bf75e4
This adds an internal _cogl_get_proc_address that doesn't need a CoglContext. This will enable us to check driver features earlier.
77 lines
1.9 KiB
C
77 lines
1.9 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) 2007,2008,2009,2010 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
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* <http://www.gnu.org/licenses/>.
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*
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "cogl.h"
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#include "cogl-context-private.h"
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#include <gmodule.h>
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GQuark
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_cogl_winsys_error_quark (void)
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{
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return g_quark_from_static_string ("cogl-winsys-error-quark");
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}
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/* FIXME: we should distinguish renderer and context features */
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gboolean
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_cogl_winsys_has_feature (CoglWinsysFeature feature)
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{
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_COGL_GET_CONTEXT (ctx, FALSE);
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return COGL_FLAGS_GET (ctx->winsys_features, feature);
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}
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/* XXX: we would call this _cogl_winsys_get_proc_address but that
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* currently collides with the per winsys implementation names we use.
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* */
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CoglFuncPtr
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_cogl_get_proc_address (const CoglWinsysVtable *winsys,
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const char *name)
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{
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void *address = winsys->get_proc_address (name);
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static GModule *module = NULL;
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if (address)
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return address;
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/* this should find the right function if the program is linked against a
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* library providing it */
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if (G_UNLIKELY (module == NULL))
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module = g_module_open (NULL, 0);
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if (module)
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{
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gpointer symbol;
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if (g_module_symbol (module, name, &symbol))
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return symbol;
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}
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return NULL;
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}
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