diff options
Diffstat (limited to 'src/quick/scenegraph/adaptations/software/qsgsoftwarepixmaprenderer.cpp')
-rw-r--r-- | src/quick/scenegraph/adaptations/software/qsgsoftwarepixmaprenderer.cpp | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/src/quick/scenegraph/adaptations/software/qsgsoftwarepixmaprenderer.cpp b/src/quick/scenegraph/adaptations/software/qsgsoftwarepixmaprenderer.cpp new file mode 100644 index 0000000000..f8c1a3d90b --- /dev/null +++ b/src/quick/scenegraph/adaptations/software/qsgsoftwarepixmaprenderer.cpp @@ -0,0 +1,116 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the QtQuick 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. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qsgsoftwarepixmaprenderer_p.h" +#include "qsgsoftwarecontext_p.h" + +#include <QtQuick/QSGSimpleRectNode> + +#include <QElapsedTimer> + +Q_LOGGING_CATEGORY(lcPixmapRenderer, "qt.scenegraph.softwarecontext.pixmapRenderer") + +QT_BEGIN_NAMESPACE + +QSGSoftwarePixmapRenderer::QSGSoftwarePixmapRenderer(QSGRenderContext *context) + : QSGAbstractSoftwareRenderer(context) +{ + +} + +QSGSoftwarePixmapRenderer::~QSGSoftwarePixmapRenderer() +{ + +} + +void QSGSoftwarePixmapRenderer::renderScene(uint) +{ + class B : public QSGBindable + { + public: + void bind() const { } + } bindable; + QSGRenderer::renderScene(bindable); +} + +void QSGSoftwarePixmapRenderer::render() +{ + +} + +void QSGSoftwarePixmapRenderer::render(QPaintDevice *target) +{ + QElapsedTimer renderTimer; + + // Setup background item + setBackgroundSize(QSize(target->width(), target->height())); + setBackgroundColor(clearColor()); + + QPainter painter(target); + painter.setRenderHint(QPainter::Antialiasing); + painter.setWindow(m_projectionRect); + auto rc = static_cast<QSGSoftwareRenderContext *>(context()); + QPainter *prevPainter = rc->m_activePainter; + rc->m_activePainter = &painter; + + renderTimer.start(); + buildRenderList(); + qint64 buildRenderListTime = renderTimer.restart(); + + // Optimize Renderlist + // Right now there is an assumption that when possible the same pixmap will + // be reused. So we can treat it like a backing store in that we can assume + // that when the pixmap is not being resized, the data can be reused. What is + // different though is that everything should be marked as dirty on a resize. + optimizeRenderList(); + qint64 optimizeRenderListTime = renderTimer.restart(); + + QRegion paintedRegion = renderNodes(&painter); + qint64 renderTime = renderTimer.elapsed(); + + rc->m_activePainter = prevPainter; + qCDebug(lcPixmapRenderer) << "pixmapRender" << paintedRegion << buildRenderListTime << optimizeRenderListTime << renderTime; +} + +void QSGSoftwarePixmapRenderer::setProjectionRect(const QRect &projectionRect) +{ + m_projectionRect = projectionRect; +} + +QT_END_NAMESPACE |