f26eeb9706
Currently, the OpenGLBackend and the QPainterBackend have hooks to indicate the start and the end of compositing cycle, but in both cases, the hooks have different names. This change fixes that inconsistency.
68 lines
1.6 KiB
C++
68 lines
1.6 KiB
C++
/*
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KWin - the KDE window manager
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This file is part of the KDE project.
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SPDX-FileCopyrightText: 2015 Martin Gräßlin <mgraesslin@kde.org>
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SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "scene_qpainter_virtual_backend.h"
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#include "virtual_backend.h"
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#include "cursor.h"
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#include "screens.h"
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#include <QPainter>
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namespace KWin
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{
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VirtualQPainterBackend::VirtualQPainterBackend(VirtualBackend *backend)
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: QPainterBackend()
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, m_backend(backend)
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{
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connect(screens(), &Screens::changed, this, &VirtualQPainterBackend::createOutputs);
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createOutputs();
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}
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VirtualQPainterBackend::~VirtualQPainterBackend() = default;
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QImage *VirtualQPainterBackend::bufferForScreen(int screen)
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{
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return &m_backBuffers[screen];
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}
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bool VirtualQPainterBackend::needsFullRepaint(int screenId) const
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{
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Q_UNUSED(screenId)
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return true;
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}
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void VirtualQPainterBackend::beginFrame(int screenId)
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{
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Q_UNUSED(screenId)
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}
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void VirtualQPainterBackend::createOutputs()
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{
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m_backBuffers.clear();
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for (int i = 0; i < screens()->count(); ++i) {
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QImage buffer(screens()->size(i) * screens()->scale(i), QImage::Format_RGB32);
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buffer.fill(Qt::black);
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m_backBuffers << buffer;
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}
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}
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void VirtualQPainterBackend::endFrame(int screenId, int mask, const QRegion &damage)
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{
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Q_UNUSED(mask)
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Q_UNUSED(damage)
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if (m_backend->saveFrames()) {
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m_backBuffers[screenId].save(QStringLiteral("%1/screen%2-%3.png").arg(m_backend->screenshotDirPath(), QString::number(screenId), QString::number(m_frameCounter++)));
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}
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}
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bool VirtualQPainterBackend::perScreenRendering() const
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{
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return true;
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}
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}
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