diff options
Diffstat (limited to 'src/core/compositor/display_software_output_surface.cpp')
| -rw-r--r-- | src/core/compositor/display_software_output_surface.cpp | 180 |
1 files changed, 78 insertions, 102 deletions
diff --git a/src/core/compositor/display_software_output_surface.cpp b/src/core/compositor/display_software_output_surface.cpp index ba99799f0..2c208ca57 100644 --- a/src/core/compositor/display_software_output_surface.cpp +++ b/src/core/compositor/display_software_output_surface.cpp @@ -1,93 +1,53 @@ -/**************************************************************************** -** -** Copyright (C) 2019 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtWebEngine module 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) 2019 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 #include "display_software_output_surface.h" -#include "display_frame_sink.h" -#include "render_widget_host_view_qt_delegate.h" +#include "compositor.h" #include "type_conversion.h" -#include "base/threading/thread_task_runner_handle.h" +#include "base/task/single_thread_task_runner.h" #include "components/viz/service/display/display.h" #include "components/viz/service/display/output_surface_frame.h" #include <QMutex> #include <QPainter> -#include <QSGImageNode> +#include <QQuickWindow> namespace QtWebEngineCore { -class DisplaySoftwareOutputSurface::Device final : public viz::SoftwareOutputDevice, public DisplayProducer +class DisplaySoftwareOutputSurface::Device final : public viz::SoftwareOutputDevice, + public Compositor { public: - ~Device(); - - // Called from DisplaySoftwareOutputSurface. - void bind(viz::FrameSinkId frameSinkId); + Device(bool requiresAlpha); // Overridden from viz::SoftwareOutputDevice. void Resize(const gfx::Size &sizeInPixels, float devicePixelRatio) override; - void OnSwapBuffers(SwapBuffersCallback swap_ack_callback) override; + void OnSwapBuffers(SwapBuffersCallback swap_ack_callback, gfx::FrameData data) override; - // Overridden from DisplayProducer. - QSGNode *updatePaintNode(QSGNode *oldNode, RenderWidgetHostViewQtDelegate *delegate) override; + // Overridden from Compositor. + void swapFrame() override; + QSGTexture *texture(QQuickWindow *win, uint32_t) override; + bool textureIsFlipped() override; + float devicePixelRatio() override; + QSize size() override; + bool requiresAlphaChannel() override; private: mutable QMutex m_mutex; - scoped_refptr<DisplayFrameSink> m_sink; float m_devicePixelRatio = 1.0; + bool m_requiresAlpha; scoped_refptr<base::SingleThreadTaskRunner> m_taskRunner; SwapBuffersCallback m_swapCompletionCallback; QImage m_image; float m_imageDevicePixelRatio = 1.0; }; -DisplaySoftwareOutputSurface::Device::~Device() -{ - if (m_sink) - m_sink->disconnect(this); -} - -void DisplaySoftwareOutputSurface::Device::bind(viz::FrameSinkId frameSinkId) +DisplaySoftwareOutputSurface::Device::Device(bool requiresAlpha) + : Compositor(Type::Software) + , m_requiresAlpha(requiresAlpha) { - m_sink = DisplayFrameSink::findOrCreate(frameSinkId); - m_sink->connect(this); } void DisplaySoftwareOutputSurface::Device::Resize(const gfx::Size &sizeInPixels, float devicePixelRatio) @@ -96,15 +56,19 @@ void DisplaySoftwareOutputSurface::Device::Resize(const gfx::Size &sizeInPixels, return; m_devicePixelRatio = devicePixelRatio; viewport_pixel_size_ = sizeInPixels; - surface_ = SkSurface::MakeRaster(SkImageInfo::MakeN32Premul(sizeInPixels.width(), sizeInPixels.height())); + surface_ = SkSurfaces::Raster(SkImageInfo::MakeN32Premul(sizeInPixels.width(), sizeInPixels.height())); } -void DisplaySoftwareOutputSurface::Device::OnSwapBuffers(SwapBuffersCallback swap_ack_callback) +void DisplaySoftwareOutputSurface::Device::OnSwapBuffers(SwapBuffersCallback swap_ack_callback, gfx::FrameData data) { - QMutexLocker locker(&m_mutex); - m_taskRunner = base::ThreadTaskRunnerHandle::Get(); - m_swapCompletionCallback = std::move(swap_ack_callback); - m_sink->scheduleUpdate(); + { // MEMO don't hold a lock together with an 'observer', as the call from Qt's scene graph may come at the same time + QMutexLocker locker(&m_mutex); + m_taskRunner = base::SingleThreadTaskRunner::GetCurrentDefault(); + m_swapCompletionCallback = std::move(swap_ack_callback); + } + + if (auto obs = observer()) + obs->readyToSwap(); } inline QImage::Format imageFormat(SkColorType colorType) @@ -120,56 +84,68 @@ inline QImage::Format imageFormat(SkColorType colorType) } } -QSGNode *DisplaySoftwareOutputSurface::Device::updatePaintNode( - QSGNode *oldNode, RenderWidgetHostViewQtDelegate *delegate) +void DisplaySoftwareOutputSurface::Device::swapFrame() { QMutexLocker locker(&m_mutex); - // Delete old node to make sure refcount of m_image is at most 1. - delete oldNode; - QSGImageNode *node = delegate->createImageNode(); - - if (m_swapCompletionCallback) { - SkPixmap skPixmap; - surface_->peekPixels(&skPixmap); - QImage image(reinterpret_cast<const uchar *>(skPixmap.addr()), - viewport_pixel_size_.width(), viewport_pixel_size_.height(), - skPixmap.rowBytes(), imageFormat(skPixmap.colorType())); - if (m_image.size() == image.size()) { - QRect damageRect = toQt(damage_rect_); - QPainter painter(&m_image); - painter.setCompositionMode(QPainter::CompositionMode_Source); - painter.drawImage(damageRect, image, damageRect); - } else { - m_image = image; - m_image.detach(); - } - m_imageDevicePixelRatio = m_devicePixelRatio; - m_taskRunner->PostTask(FROM_HERE, base::BindOnce(std::move(m_swapCompletionCallback), toGfx(m_image.size()))); - m_taskRunner.reset(); + if (!m_swapCompletionCallback) + return; + + SkPixmap skPixmap; + surface_->peekPixels(&skPixmap); + QImage image(reinterpret_cast<const uchar *>(skPixmap.addr()), viewport_pixel_size_.width(), + viewport_pixel_size_.height(), skPixmap.rowBytes(), + imageFormat(skPixmap.colorType())); + if (m_image.size() == image.size()) { + QRect damageRect = toQt(damage_rect_); + QPainter painter(&m_image); + painter.setCompositionMode(QPainter::CompositionMode_Source); + painter.drawImage(damageRect, image, damageRect); + } else { + m_image = image; + m_image.detach(); } + m_imageDevicePixelRatio = m_devicePixelRatio; + m_taskRunner->PostTask( + FROM_HERE, base::BindOnce(std::move(m_swapCompletionCallback), toGfx(m_image.size()))); + m_taskRunner.reset(); +} + +QSGTexture *DisplaySoftwareOutputSurface::Device::texture(QQuickWindow *win, uint32_t) +{ + return win->createTextureFromImage(m_image); +} - QSizeF sizeInDips = QSizeF(m_image.size()) / m_imageDevicePixelRatio; - node->setRect(QRectF(QPointF(0, 0), sizeInDips)); - node->setOwnsTexture(true); - node->setTexture(delegate->createTextureFromImage(m_image)); +bool DisplaySoftwareOutputSurface::Device::textureIsFlipped() +{ + return false; +} - return node; +float DisplaySoftwareOutputSurface::Device::devicePixelRatio() +{ + return m_imageDevicePixelRatio; +} + +QSize DisplaySoftwareOutputSurface::Device::size() +{ + return m_image.size(); +} + +bool DisplaySoftwareOutputSurface::Device::requiresAlphaChannel() +{ + return m_requiresAlpha; } -DisplaySoftwareOutputSurface::DisplaySoftwareOutputSurface() - : SoftwareOutputSurface(std::make_unique<Device>()) +DisplaySoftwareOutputSurface::DisplaySoftwareOutputSurface(bool requiresAlpha) + : SoftwareOutputSurface(std::make_unique<Device>(requiresAlpha)) {} DisplaySoftwareOutputSurface::~DisplaySoftwareOutputSurface() {} // Called from viz::Display::Initialize. -void DisplaySoftwareOutputSurface::BindToClient(viz::OutputSurfaceClient *client) +void DisplaySoftwareOutputSurface::SetFrameSinkId(const viz::FrameSinkId &id) { - auto display = static_cast<viz::Display *>(client); - auto device = static_cast<Device *>(software_device()); - device->bind(display->frame_sink_id()); - SoftwareOutputSurface::BindToClient(client); + static_cast<Device *>(software_device())->bind(id); } } // namespace QtWebEngineCore |