diff options
Diffstat (limited to 'src/plugins/scenegraph/d3d12/qsgd3d12painternode.cpp')
| -rw-r--r-- | src/plugins/scenegraph/d3d12/qsgd3d12painternode.cpp | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/src/plugins/scenegraph/d3d12/qsgd3d12painternode.cpp b/src/plugins/scenegraph/d3d12/qsgd3d12painternode.cpp new file mode 100644 index 0000000000..b22c42f2e5 --- /dev/null +++ b/src/plugins/scenegraph/d3d12/qsgd3d12painternode.cpp @@ -0,0 +1,255 @@ +/**************************************************************************** +** +** 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 "qsgd3d12painternode_p.h" +#include "qsgd3d12rendercontext_p.h" +#include "qsgd3d12engine_p.h" +#include <private/qquickitem_p.h> +#include <qmath.h> + +QT_BEGIN_NAMESPACE + +QSGD3D12PainterTexture::QSGD3D12PainterTexture(QSGD3D12Engine *engine) + : QSGD3D12Texture(engine) +{ +} + +void QSGD3D12PainterTexture::bind() +{ + if (m_image.isNull()) { + if (!m_id) { + m_id = m_engine->genTexture(); + m_engine->createTexture(m_id, QSize(16, 16), QImage::Format_RGB32, 0); + } + } else if (m_image.size() != lastSize) { + lastSize = m_image.size(); + if (m_id) + m_engine->releaseTexture(m_id); + m_id = m_engine->genTexture(); + m_engine->createTexture(m_id, m_image.size(), m_image.format(), QSGD3D12Engine::TextureWithAlpha); + m_engine->queueTextureUpload(m_id, m_image); + } else if (!dirty.isEmpty()) { + const int bpl = m_image.bytesPerLine(); + const uchar *p = m_image.constBits() + dirty.y() * bpl + dirty.x() * 4; + QImage subImg(p, dirty.width(), dirty.height(), bpl, QImage::Format_ARGB32_Premultiplied); + m_engine->queueTextureUpload(m_id, subImg, dirty.topLeft()); + } + + dirty = QRect(); + + m_engine->useTexture(m_id); +} + +QSGD3D12PainterNode::QSGD3D12PainterNode(QQuickPaintedItem *item) + : m_item(item), + m_engine(static_cast<QSGD3D12RenderContext *>(QQuickItemPrivate::get(item)->sceneGraphRenderContext())->engine()), + m_texture(new QSGD3D12PainterTexture(m_engine)), + m_geometry(QSGGeometry::defaultAttributes_TexturedPoint2D(), 4), + m_dirtyGeometry(false), + m_dirtyContents(false) +{ + setGeometry(&m_geometry); + m_material.setTexture(m_texture); + setMaterial(&m_material); +} + +QSGD3D12PainterNode::~QSGD3D12PainterNode() +{ + delete m_texture; +} + +void QSGD3D12PainterNode::setPreferredRenderTarget(QQuickPaintedItem::RenderTarget) +{ + // always QImage-based +} + +void QSGD3D12PainterNode::setSize(const QSize &size) +{ + if (m_size == size) + return; + + m_size = size; + m_dirtyGeometry = true; +} + +void QSGD3D12PainterNode::setDirty(const QRect &dirtyRect) +{ + m_dirtyRect = dirtyRect; + m_dirtyContents = true; + markDirty(DirtyMaterial); +} + +void QSGD3D12PainterNode::setOpaquePainting(bool) +{ + // ignored +} + +void QSGD3D12PainterNode::setLinearFiltering(bool linearFiltering) +{ + m_material.setFiltering(linearFiltering ? QSGTexture::Linear : QSGTexture::Nearest); + markDirty(DirtyMaterial); +} + +void QSGD3D12PainterNode::setMipmapping(bool) +{ + // ### not yet +} + +void QSGD3D12PainterNode::setSmoothPainting(bool s) +{ + if (m_smoothPainting == s) + return; + + m_smoothPainting = s; + m_dirtyContents = true; + markDirty(DirtyMaterial); +} + +void QSGD3D12PainterNode::setFillColor(const QColor &c) +{ + if (m_fillColor == c) + return; + + m_fillColor = c; + m_dirtyContents = true; + markDirty(DirtyMaterial); +} + +void QSGD3D12PainterNode::setContentsScale(qreal s) +{ + if (m_contentsScale == s) + return; + + m_contentsScale = s; + m_dirtyContents = true; + markDirty(DirtyMaterial); +} + +void QSGD3D12PainterNode::setFastFBOResizing(bool) +{ + // nope +} + +void QSGD3D12PainterNode::setTextureSize(const QSize &size) +{ + if (m_textureSize == size) + return; + + m_textureSize = size; + m_dirtyGeometry = true; +} + +QImage QSGD3D12PainterNode::toImage() const +{ + return *m_texture->image(); +} + +void QSGD3D12PainterNode::update() +{ + if (m_dirtyGeometry) { + m_dirtyGeometry = false; + QRectF src(0, 0, 1, 1); + QRectF dst(QPointF(0, 0), m_size); + QSGGeometry::updateTexturedRectGeometry(&m_geometry, dst, src); + markDirty(DirtyGeometry); + } + + QImage *img = m_texture->image(); + if (img->size() != m_textureSize) { + *img = QImage(m_textureSize, QImage::Format_ARGB32_Premultiplied); + img->fill(Qt::transparent); + m_dirtyContents = true; + } + + if (m_dirtyContents) { + m_dirtyContents = false; + if (!img->isNull()) { + QRect dirtyRect = m_dirtyRect.isNull() ? QRect(QPoint(0, 0), m_size) : m_dirtyRect; + QPainter painter; + painter.begin(img); + if (m_smoothPainting) + painter.setRenderHints(QPainter::Antialiasing | QPainter::TextAntialiasing | QPainter::SmoothPixmapTransform); + + QRect clipRect; + QRect dirtyTextureRect; + + if (m_contentsScale == 1) { + float scaleX = m_textureSize.width() / (float) m_size.width(); + float scaleY = m_textureSize.height() / (float) m_size.height(); + painter.scale(scaleX, scaleY); + clipRect = dirtyRect; + dirtyTextureRect = QRectF(dirtyRect.x() * scaleX, + dirtyRect.y() * scaleY, + dirtyRect.width() * scaleX, + dirtyRect.height() * scaleY).toAlignedRect(); + } else { + painter.scale(m_contentsScale, m_contentsScale); + QRect sclip(qFloor(dirtyRect.x() / m_contentsScale), + qFloor(dirtyRect.y() / m_contentsScale), + qCeil(dirtyRect.width() / m_contentsScale + dirtyRect.x() / m_contentsScale + - qFloor(dirtyRect.x() / m_contentsScale)), + qCeil(dirtyRect.height() / m_contentsScale + dirtyRect.y() / m_contentsScale + - qFloor(dirtyRect.y() / m_contentsScale))); + clipRect = sclip; + dirtyTextureRect = dirtyRect; + } + + // only clip if we were originally updating only a subrect + if (!m_dirtyRect.isNull()) + painter.setClipRect(clipRect); + + painter.setCompositionMode(QPainter::CompositionMode_Source); + painter.fillRect(clipRect, m_fillColor); + painter.setCompositionMode(QPainter::CompositionMode_SourceOver); + + m_item->paint(&painter); + painter.end(); + + m_texture->dirty = dirtyTextureRect; + } + m_dirtyRect = QRect(); + } +} + +QSGTexture *QSGD3D12PainterNode::texture() const +{ + return m_texture; +} + +QT_END_NAMESPACE |