diff options
Diffstat (limited to 'src/plugins/platforms/cocoa/qnsview_drawing.mm')
| -rw-r--r-- | src/plugins/platforms/cocoa/qnsview_drawing.mm | 81 |
1 files changed, 32 insertions, 49 deletions
diff --git a/src/plugins/platforms/cocoa/qnsview_drawing.mm b/src/plugins/platforms/cocoa/qnsview_drawing.mm index d5e5a14835..bf102e43f8 100644 --- a/src/plugins/platforms/cocoa/qnsview_drawing.mm +++ b/src/plugins/platforms/cocoa/qnsview_drawing.mm @@ -1,41 +1,5 @@ -/**************************************************************************** -** -** Copyright (C) 2018 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the plugins of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2018 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only // This file is included from qnsview.mm, and only used to organize the code @@ -49,6 +13,14 @@ << " QT_MAC_WANTS_LAYER/_q_mac_wantsLayer has no effect."; } + // Pick up and persist requested color space from surface format + const QSurfaceFormat surfaceFormat = m_platformWindow->format(); + if (QColorSpace colorSpace = surfaceFormat.colorSpace(); colorSpace.isValid()) { + NSData *iccData = colorSpace.iccProfile().toNSData(); + self.colorSpace = [[[NSColorSpace alloc] initWithICCProfileData:iccData] autorelease]; + } + + // Trigger creation of the layer self.wantsLayer = YES; } @@ -64,6 +36,12 @@ return YES; } +- (NSColorSpace*)colorSpace +{ + // If no explicit color space was set, use the NSWindow's color space + return m_colorSpace ? m_colorSpace : self.window.colorSpace; +} + // ----------------------- Layer setup ----------------------- - (BOOL)shouldUseMetalLayer @@ -129,12 +107,7 @@ [super setLayer:layer]; - // When adding a view to a view hierarchy the backing properties will change - // which results in updating the contents scale, but in case of switching the - // layer on a view that's already in a view hierarchy we need to manually ensure - // the scale is up to date. - if (self.superview) - [self updateLayerContentsScale]; + [self propagateBackingProperties]; if (self.opaque && lcQpaDrawing().isDebugEnabled()) { // If the view claims to be opaque we expect it to fill the entire @@ -167,8 +140,7 @@ { qCDebug(lcQpaDrawing) << "Backing properties changed for" << self; - if (self.layer) - [self updateLayerContentsScale]; + [self propagateBackingProperties]; // Ideally we would plumb this situation through QPA in a way that lets // clients invalidate their own caches, recreate QBackingStore, etc. @@ -177,8 +149,11 @@ [self setNeedsDisplay:YES]; } -- (void)updateLayerContentsScale +- (void)propagateBackingProperties { + if (!self.layer) + return; + // We expect clients to fill the layer with retina aware content, // based on the devicePixelRatio of the QWindow, so we set the // layer's content scale to match that. By going via devicePixelRatio @@ -189,6 +164,12 @@ auto devicePixelRatio = m_platformWindow->devicePixelRatio(); qCDebug(lcQpaDrawing) << "Updating" << self.layer << "content scale to" << devicePixelRatio; self.layer.contentsScale = devicePixelRatio; + + if ([self.layer isKindOfClass:CAMetalLayer.class]) { + CAMetalLayer *metalLayer = static_cast<CAMetalLayer *>(self.layer); + metalLayer.colorspace = self.colorSpace.CGColorSpace; + qCDebug(lcQpaDrawing) << "Set" << metalLayer << "color space to" << metalLayer.colorspace; + } } /* @@ -214,8 +195,10 @@ - (void)drawRect:(NSRect)dirtyBoundingRect { Q_UNUSED(dirtyBoundingRect); - Q_ASSERT_X(!self.layer, "QNSView", - "The drawRect code path should not be hit when we are layer backed"); + // As we are layer backed we shouldn't really end up here, but AppKit will + // in some cases call this method just because we implement it. + // FIXME: Remove drawRect and switch from displayLayer to updateLayer + qCWarning(lcQpaDrawing) << "[QNSView drawRect] called for layer backed view"; } /* |