mirror of
https://github.com/brl/mutter.git
synced 2024-11-29 19:40:43 -05:00
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
/*
|
|
* Cogl
|
|
*
|
|
* An object oriented GL/GLES Abstraction/Utility Layer
|
|
*
|
|
* Copyright (C) 2007,2008,2009,2010 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/>.
|
|
*
|
|
*
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include "cogl.h"
|
|
#include "cogl-context-private.h"
|
|
|
|
#include <gmodule.h>
|
|
|
|
GQuark
|
|
_cogl_winsys_error_quark (void)
|
|
{
|
|
return g_quark_from_static_string ("cogl-winsys-error-quark");
|
|
}
|
|
|
|
/* FIXME: we should distinguish renderer and context features */
|
|
gboolean
|
|
_cogl_winsys_has_feature (CoglWinsysFeature feature)
|
|
{
|
|
_COGL_GET_CONTEXT (ctx, FALSE);
|
|
|
|
return COGL_FLAGS_GET (ctx->winsys_features, feature);
|
|
}
|
|
|
|
/* XXX: we would call this _cogl_winsys_get_proc_address but that
|
|
* currently collides with the per winsys implementation names we use.
|
|
* */
|
|
CoglFuncPtr
|
|
_cogl_get_proc_address (const CoglWinsysVtable *winsys,
|
|
const char *name)
|
|
{
|
|
void *address = winsys->get_proc_address (name);
|
|
static GModule *module = NULL;
|
|
|
|
if (address)
|
|
return address;
|
|
|
|
/* this should find the right function if the program is linked against a
|
|
* library providing it */
|
|
if (G_UNLIKELY (module == NULL))
|
|
module = g_module_open (NULL, 0);
|
|
|
|
if (module)
|
|
{
|
|
gpointer symbol;
|
|
|
|
if (g_module_symbol (module, name, &symbol))
|
|
return symbol;
|
|
}
|
|
|
|
return NULL;
|
|
}
|