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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.
65 lines
1.8 KiB
Objective-C
65 lines
1.8 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 "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 "gdkmacosglcontext.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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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 (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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