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This implements the basics for a GdkGLContext on macOS. Currently, rendering only is fully working for the GskCairoRenderer case where we read back pixels into a cairo surface for rendering. More work on synchronization is required for the GL on GskGLRenderer case. When we attempt to render a surface itself with GL, the context will ensure that the new GdkMacosGLView is placed within the NSWindow. In other cases, we use a dummy NSView and NSWindow for backing the NSOpenGLContext to ensure that we can get accelerated drawing. This gets GtkGLArea working when running with GSK_RENDERER=cairo.
42 lines
1.2 KiB
Objective-C
42 lines
1.2 KiB
Objective-C
/* GdkMacosGLView.h
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*
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* Copyright © 2020 Red Hat, Inc.
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* Copyright © 2005-2007 Imendio AB
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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 <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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#include <cairo.h>
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#import "GdkMacosBaseView.h"
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#define GDK_IS_MACOS_GL_VIEW(obj) ((obj) && [obj isKindOfClass:[GdkMacosGLView class]])
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G_GNUC_BEGIN_IGNORE_DEPRECATIONS
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@interface GdkMacosGLView : GdkMacosBaseView
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{
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NSOpenGLContext *_openGLContext;
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}
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-(void)setOpenGLContext:(NSOpenGLContext*)context;
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-(NSOpenGLContext *)openGLContext;
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-(void)invalidateRegion:(const cairo_region_t *)region;
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G_GNUC_END_IGNORE_DEPRECATIONS
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@end
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