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430b6f8fb1
The vfunc is called to initialize GL and it returns a "base" context that GDK then uses as the context all others are shared with. So the GL context share tree now looks like: + context from init_gl - context1 - context2 ... So this is a flat tree now, the complexity is gone. The only caveat is that backends now need to create a GL context when initializing GL so some refactoring was needed. Two new functions have been added: * gdk_display_prepare_gl() This is public API and can be used to ensure that GL has been initialized or if not, retrieve an error to display (or debug-print). * gdk_display_get_gl_context() This is a private function to retrieve the base context from init_gl(). It replaces gdk_surface_get_shared_data_context().
70 lines
2.0 KiB
Objective-C
70 lines
2.0 KiB
Objective-C
/* gdkmacosglcontext-private.h
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*
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* Copyright (C) 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 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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#ifndef __GDK_MACOS_GL_CONTEXT_PRIVATE_H__
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#define __GDK_MACOS_GL_CONTEXT_PRIVATE_H__
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#include "gdkmacosglcontext.h"
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#include "gdkglcontextprivate.h"
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#include "gdkdisplayprivate.h"
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#include "gdksurface.h"
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#include "gdkinternals.h"
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#include "gdkmacosdisplay.h"
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#include "gdkmacossurface.h"
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#import <OpenGL/OpenGL.h>
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#import <OpenGL/gl.h>
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#import <AppKit/AppKit.h>
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G_BEGIN_DECLS
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struct _GdkMacosGLContext
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{
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GdkGLContext parent_instance;
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G_GNUC_BEGIN_IGNORE_DEPRECATIONS
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NSOpenGLContext *gl_context;
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G_GNUC_END_IGNORE_DEPRECATIONS
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NSWindow *dummy_window;
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NSView *dummy_view;
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cairo_region_t *damage;
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guint is_attached : 1;
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guint needs_resize : 1;
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};
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struct _GdkMacosGLContextClass
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{
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GdkGLContextClass parent_class;
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};
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GdkGLContext *_gdk_macos_gl_context_new (GdkMacosDisplay *display,
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GdkMacosSurface *surface,
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gboolean attached,
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GdkGLContext *share,
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GError **error);
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gboolean _gdk_macos_gl_context_make_current (GdkMacosGLContext *self);
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G_END_DECLS
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#endif /* __GDK_MACOS_GL_CONTEXT_PRIVATE_H__ */
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