forked from AuroraMiddleware/gtk
285781724f
We don't need the OpenGL view to be transparent if the window itself is not transparent. This has the potential to speed up the compositing of the GL view onto the NSWindow.
127 lines
2.5 KiB
C
127 lines
2.5 KiB
C
/* GdkMacosGLView.c
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*
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* Copyright 2020 Christian Hergert <chergert@redhat.com>
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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 "config.h"
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#include <CoreGraphics/CoreGraphics.h>
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#include <OpenGL/gl.h>
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#include "gdkinternals.h"
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#include "gdkmacossurface-private.h"
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#import "GdkMacosGLView.h"
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@implementation GdkMacosGLView
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G_GNUC_BEGIN_IGNORE_DEPRECATIONS
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-(void)lockFocus
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{
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NSOpenGLContext *context;
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[super lockFocus];
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context = [self openGLContext];
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if ([context view] != self)
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[context setView: self];
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}
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-(void)drawRect:(NSRect)rect
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{
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}
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-(void)clearGLContext
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{
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if (_openGLContext != nil)
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[_openGLContext clearDrawable];
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_openGLContext = nil;
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}
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-(void)setOpenGLContext:(NSOpenGLContext*)context
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{
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if (_openGLContext != context)
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{
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if (_openGLContext != nil)
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[_openGLContext clearDrawable];
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_openGLContext = context;
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if (_openGLContext != nil)
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{
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[_openGLContext setView:self];
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[self setWantsLayer:YES];
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[self.layer setContentsGravity:kCAGravityBottomLeft];
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[_openGLContext update];
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}
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}
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}
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-(NSOpenGLContext *)openGLContext
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{
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return _openGLContext;
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}
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-(BOOL)isOpaque
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{
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if ([self window])
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return [[self window] isOpaque];
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return YES;
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}
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-(BOOL)isFlipped
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{
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return YES;
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}
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-(BOOL)acceptsFirstMouse
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{
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return YES;
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}
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-(BOOL)mouseDownCanMoveWindow
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{
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return NO;
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}
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-(void)invalidateRegion:(const cairo_region_t *)region
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{
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if (region != NULL)
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{
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guint n_rects = cairo_region_num_rectangles (region);
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for (guint i = 0; i < n_rects; i++)
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{
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cairo_rectangle_int_t rect;
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NSRect nsrect;
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cairo_region_get_rectangle (region, i, &rect);
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nsrect = NSMakeRect (rect.x, rect.y, rect.width, rect.height);
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[self setNeedsDisplayInRect:nsrect];
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}
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}
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}
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G_GNUC_END_IGNORE_DEPRECATIONS
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@end
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