forked from AuroraMiddleware/gtk
856728ea10
Previously, a single CVDisplayLink was used to drive updates for all surfaces across all monitors. It used a 'best guess' rate which would allow for updates across monitors of mixed rates. This is undesirable for situations where you might have a 144hz monitor as it does not allow for reaching up to that frame rate. Instead, we want to use a per-monitor CVDisplayLink which will fire at the rate of the monitor down to the level of updates we require. This commit does just that. When a surface crosses onto a new monitor, that monitor is used to drive the GdkFrameClock. Fixes #4732
45 lines
1.8 KiB
C
45 lines
1.8 KiB
C
/*
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* Copyright © 2020 Red Hat, Inc.
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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 2.1 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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* SPDX-License-Identifier: LGPL-2.1-or-later
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*/
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#ifndef __GDK_MACOS_MONITOR_PRIVATE_H__
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#define __GDK_MACOS_MONITOR_PRIVATE_H__
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#include <AppKit/AppKit.h>
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#include "gdkmacosdisplay.h"
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#include "gdkmacosmonitor.h"
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#include "gdkmonitorprivate.h"
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G_BEGIN_DECLS
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GdkMacosMonitor *_gdk_macos_monitor_new (GdkMacosDisplay *display,
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CGDirectDisplayID screen_id);
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CGDirectDisplayID _gdk_macos_monitor_get_screen_id (GdkMacosMonitor *self);
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gboolean _gdk_macos_monitor_reconfigure (GdkMacosMonitor *self);
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CGColorSpaceRef _gdk_macos_monitor_copy_colorspace (GdkMacosMonitor *self);
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void _gdk_macos_monitor_add_frame_callback (GdkMacosMonitor *self,
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GdkMacosSurface *surface);
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void _gdk_macos_monitor_remove_frame_callback (GdkMacosMonitor *self,
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GdkMacosSurface *surface);
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G_END_DECLS
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#endif /* __GDK_MACOS_MONITOR_PRIVATE_H__ */
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