mutter/clutter/osx/clutter-backend-osx.c
Joshua Lock 031d4d6203 osx: Fix a warning on Snow Leopard
Apple where nice and changed API between releases. This patch checks the
version of the compilation environment and tries to use the right parameter
type.

http://bugzilla.openedhand.com/show_bug.cgi?id=1866
2009-11-06 11:48:42 +00:00

218 lines
6.2 KiB
C

/* Clutter - An OpenGL based 'interactive canvas' library.
* OSX backend - initial entry point
*
* Copyright (C) 2007-2008 Tommi Komulainen <tommi.komulainen@iki.fi>
* Copyright (C) 2007 OpenedHand Ltd.
*
* 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.
*/
#include "config.h"
#include "clutter-osx.h"
#include "clutter-backend-osx.h"
#include "clutter-stage-osx.h"
#include "../clutter-private.h"
#include "cogl/cogl.h"
#include <clutter/clutter-debug.h>
#import <AppKit/AppKit.h>
G_DEFINE_TYPE (ClutterBackendOSX, clutter_backend_osx, CLUTTER_TYPE_BACKEND)
/*************************************************************************/
static gboolean
clutter_backend_osx_post_parse (ClutterBackend *backend,
GError **error)
{
ClutterBackendOSX *self = CLUTTER_BACKEND_OSX (backend);
CLUTTER_NOTE (BACKEND, "post_parse");
CLUTTER_OSX_POOL_ALLOC();
/* Bring our app to foreground, background apps don't appear in dock or
* accept keyboard focus.
*/
const ProcessSerialNumber psn = { 0, kCurrentProcess };
TransformProcessType (&psn, kProcessTransformToForegroundApplication);
/* Also raise our app to front, otherwise our window will remain under the
* terminal.
*/
SetFrontProcess (&psn);
[NSApplication sharedApplication];
/* Allocate ourselves a GL context. Since we're supposed to have only one per
* backend we can just as well create it now.
*/
NSOpenGLPixelFormatAttribute attrs[] = {
NSOpenGLPFADoubleBuffer,
0
};
self->pixel_format = [[NSOpenGLPixelFormat alloc] initWithAttributes:attrs];
self->context = [[NSOpenGLContext alloc]
initWithFormat: self->pixel_format
shareContext: nil];
/* Enable vblank sync - http://developer.apple.com/qa/qa2007/qa1521.html */
#ifdef MAC_OS_X_VERSION_10_5
const int sw = 1;
#else
const long sw = 1;
#endif
[self->context setValues:&sw forParameter: NSOpenGLCPSwapInterval];
/* FIXME: move the debugging bits to cogl */
[self->context makeCurrentContext];
CLUTTER_NOTE(BACKEND, "GL information\n"
" GL_VENDOR: %s\n"
" GL_RENDERER: %s\n"
" GL_VERSION: %s\n"
"GL_EXTENSIONS: %s\n",
glGetString (GL_VENDOR),
glGetString (GL_RENDERER),
glGetString (GL_VERSION),
glGetString (GL_EXTENSIONS));
[NSOpenGLContext clearCurrentContext];
CLUTTER_OSX_POOL_RELEASE();
return TRUE;
}
static ClutterFeatureFlags
clutter_backend_osx_get_features (ClutterBackend *backend)
{
return CLUTTER_FEATURE_STAGE_MULTIPLE|CLUTTER_FEATURE_STAGE_USER_RESIZE;
}
static ClutterStageWindow*
clutter_backend_osx_create_stage (ClutterBackend *backend,
ClutterStage *wrapper,
GError **error)
{
ClutterStageWindow *impl;
CLUTTER_NOTE (BACKEND, "create_stage: wrapper=%p", wrapper);
CLUTTER_OSX_POOL_ALLOC();
impl = clutter_stage_osx_new (backend, wrapper);
CLUTTER_NOTE (BACKEND, "create_stage: impl=%p", impl);
CLUTTER_OSX_POOL_RELEASE();
return impl;
}
static void
clutter_backend_osx_init_events (ClutterBackend *backend)
{
CLUTTER_NOTE (BACKEND, "init_events");
_clutter_events_osx_init ();
}
static void
clutter_backend_osx_ensure_context (ClutterBackend *backend,
ClutterStage *wrapper)
{
ClutterBackendOSX *backend_osx = CLUTTER_BACKEND_OSX (backend);
CLUTTER_NOTE (BACKEND, "ensure_context: wrapper=%p", wrapper);
CLUTTER_OSX_POOL_ALLOC();
if (wrapper)
{
ClutterStageWindow *impl = _clutter_stage_get_window (wrapper);
ClutterStageOSX *stage_osx;
g_assert (CLUTTER_IS_STAGE_OSX (impl));
stage_osx = CLUTTER_STAGE_OSX (impl);
[backend_osx->context setView:stage_osx->view];
[backend_osx->context makeCurrentContext];
}
else
{
[backend_osx->context clearDrawable];
[NSOpenGLContext clearCurrentContext];
}
CLUTTER_OSX_POOL_RELEASE();
}
static void
clutter_backend_osx_redraw (ClutterBackend *backend, ClutterStage *wrapper)
{
ClutterStageWindow *impl = _clutter_stage_get_window (wrapper);
ClutterStageOSX *stage_osx = CLUTTER_STAGE_OSX (impl);
CLUTTER_OSX_POOL_ALLOC();
[stage_osx->view setNeedsDisplay: YES];
CLUTTER_OSX_POOL_RELEASE();
}
/*************************************************************************/
static void
clutter_backend_osx_init (ClutterBackendOSX *self)
{
}
static void
clutter_backend_osx_dispose (GObject *object)
{
ClutterBackendOSX *self = CLUTTER_BACKEND_OSX (object);
_clutter_shader_release_all ();
[self->context release];
self->context = NULL;
[self->pixel_format release];
self->pixel_format = NULL;
G_OBJECT_CLASS (clutter_backend_osx_parent_class)->dispose (object);
}
static void
clutter_backend_osx_class_init (ClutterBackendOSXClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
ClutterBackendClass *backend_class = CLUTTER_BACKEND_CLASS (klass);
object_class->dispose = clutter_backend_osx_dispose;
backend_class->post_parse = clutter_backend_osx_post_parse;
backend_class->get_features = clutter_backend_osx_get_features;
backend_class->create_stage = clutter_backend_osx_create_stage;
backend_class->ensure_context = clutter_backend_osx_ensure_context;
backend_class->init_events = clutter_backend_osx_init_events;
backend_class->redraw = clutter_backend_osx_redraw;
}
GType
_clutter_backend_impl_get_type (void)
{
return clutter_backend_osx_get_type ();
}