mirror of
https://github.com/brl/mutter.git
synced 2024-12-25 20:32:16 +00:00
eff57a1cb0
svn merge \ https://svn.o-hand.com/repos/clutter/trunk/clutter@2509 \ https://svn.o-hand.com/repos/clutter/branches/clutter-ivan@HEAD
115 lines
3.1 KiB
C
115 lines
3.1 KiB
C
/*
|
|
* Clutter COGL
|
|
*
|
|
* A basic GL/GLES Abstraction/Utility Layer
|
|
*
|
|
* Authored By Matthew Allum <mallum@openedhand.com>
|
|
*
|
|
* Copyright (C) 2007 OpenedHand
|
|
*
|
|
* 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, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include "cogl.h"
|
|
#include "cogl-internal.h"
|
|
#include "cogl-util.h"
|
|
#include "cogl-context.h"
|
|
|
|
#include <string.h>
|
|
|
|
static CoglContext *_context = NULL;
|
|
|
|
gboolean
|
|
cogl_create_context ()
|
|
{
|
|
if (_context != NULL)
|
|
return FALSE;
|
|
|
|
/* Allocate context memory */
|
|
_context = (CoglContext*) g_malloc (sizeof (CoglContext));
|
|
|
|
/* Init default values */
|
|
_context->feature_flags = 0;
|
|
_context->features_cached = FALSE;
|
|
|
|
_context->enable_flags = 0;
|
|
_context->color_alpha = 255;
|
|
|
|
_context->path_nodes = NULL;
|
|
_context->path_nodes_cap = 0;
|
|
_context->path_nodes_size = 0;
|
|
|
|
_context->texture_handles = NULL;
|
|
|
|
_context->fbo_handles = NULL;
|
|
_context->draw_buffer = COGL_WINDOW_BUFFER;
|
|
|
|
_context->pf_glGenRenderbuffersEXT = NULL;
|
|
_context->pf_glBindRenderbufferEXT = NULL;
|
|
_context->pf_glRenderbufferStorageEXT = NULL;
|
|
_context->pf_glGenFramebuffersEXT = NULL;
|
|
_context->pf_glBindFramebufferEXT = NULL;
|
|
_context->pf_glFramebufferTexture2DEXT = NULL;
|
|
_context->pf_glFramebufferRenderbufferEXT = NULL;
|
|
_context->pf_glCheckFramebufferStatusEXT = NULL;
|
|
_context->pf_glDeleteFramebuffersEXT = NULL;
|
|
_context->pf_glBlitFramebufferEXT = NULL;
|
|
_context->pf_glRenderbufferStorageMultisampleEXT = NULL;
|
|
|
|
_context->pf_glCreateProgramObjectARB = NULL;
|
|
_context->pf_glCreateShaderObjectARB = NULL;
|
|
_context->pf_glShaderSourceARB = NULL;
|
|
_context->pf_glCompileShaderARB = NULL;
|
|
_context->pf_glAttachObjectARB = NULL;
|
|
_context->pf_glLinkProgramARB = NULL;
|
|
_context->pf_glUseProgramObjectARB = NULL;
|
|
_context->pf_glGetUniformLocationARB = NULL;
|
|
_context->pf_glDeleteObjectARB = NULL;
|
|
_context->pf_glGetInfoLogARB = NULL;
|
|
_context->pf_glGetObjectParameterivARB = NULL;
|
|
_context->pf_glUniform1fARB = NULL;
|
|
|
|
/* Init OpenGL state */
|
|
glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
|
|
glColorMask (TRUE, TRUE, TRUE, FALSE);
|
|
cogl_enable (0);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
void
|
|
cogl_destroy_context ()
|
|
{
|
|
if (_context == NULL)
|
|
return;
|
|
|
|
g_free (_context);
|
|
}
|
|
|
|
CoglContext *
|
|
_cogl_context_get_default ()
|
|
{
|
|
/* Create if doesn't exist yet */
|
|
if (_context == NULL)
|
|
cogl_create_context ();
|
|
|
|
return _context;
|
|
}
|