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Diffstat (limited to 'src/quick/scenegraph/adaptations/software/qsgsoftwarerenderablenode.cpp')
| -rw-r--r-- | src/quick/scenegraph/adaptations/software/qsgsoftwarerenderablenode.cpp | 434 |
1 files changed, 434 insertions, 0 deletions
diff --git a/src/quick/scenegraph/adaptations/software/qsgsoftwarerenderablenode.cpp b/src/quick/scenegraph/adaptations/software/qsgsoftwarerenderablenode.cpp new file mode 100644 index 0000000000..59c47db0c4 --- /dev/null +++ b/src/quick/scenegraph/adaptations/software/qsgsoftwarerenderablenode.cpp @@ -0,0 +1,434 @@ +/**************************************************************************** +** +** 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 "qsgsoftwarerenderablenode_p.h" + +#include "qsgsoftwareinternalimagenode_p.h" +#include "qsgsoftwareinternalrectanglenode_p.h" +#include "qsgsoftwareglyphnode_p.h" +#include "qsgsoftwarepublicnodes_p.h" +#include "qsgsoftwarepainternode_p.h" +#include "qsgsoftwarepixmaptexture_p.h" +#if QT_CONFIG(quick_sprite) +#include "qsgsoftwarespritenode_p.h" +#endif + +#include <qsgsimplerectnode.h> +#include <qsgsimpletexturenode.h> +#include <private/qsgrendernode_p.h> +#include <private/qsgtexture_p.h> + +Q_LOGGING_CATEGORY(lcRenderable, "qt.scenegraph.softwarecontext.renderable") + +QT_BEGIN_NAMESPACE + +QSGSoftwareRenderableNode::QSGSoftwareRenderableNode(NodeType type, QSGNode *node) + : m_nodeType(type) + , m_isOpaque(true) + , m_isDirty(true) + , m_hasClipRegion(false) + , m_opacity(1.0f) +{ + switch (m_nodeType) { + case QSGSoftwareRenderableNode::SimpleRect: + m_handle.simpleRectNode = static_cast<QSGSimpleRectNode*>(node); + break; + case QSGSoftwareRenderableNode::SimpleTexture: + m_handle.simpleTextureNode = static_cast<QSGSimpleTextureNode*>(node); + break; + case QSGSoftwareRenderableNode::Image: + m_handle.imageNode = static_cast<QSGSoftwareInternalImageNode*>(node); + break; + case QSGSoftwareRenderableNode::Painter: + m_handle.painterNode = static_cast<QSGSoftwarePainterNode*>(node); + break; + case QSGSoftwareRenderableNode::Rectangle: + m_handle.rectangleNode = static_cast<QSGSoftwareInternalRectangleNode*>(node); + break; + case QSGSoftwareRenderableNode::Glyph: + m_handle.glpyhNode = static_cast<QSGSoftwareGlyphNode*>(node); + break; + case QSGSoftwareRenderableNode::NinePatch: + m_handle.ninePatchNode = static_cast<QSGSoftwareNinePatchNode*>(node); + break; + case QSGSoftwareRenderableNode::SimpleRectangle: + m_handle.simpleRectangleNode = static_cast<QSGRectangleNode*>(node); + break; + case QSGSoftwareRenderableNode::SimpleImage: + m_handle.simpleImageNode = static_cast<QSGImageNode*>(node); + break; +#if QT_CONFIG(quick_sprite) + case QSGSoftwareRenderableNode::SpriteNode: + m_handle.spriteNode = static_cast<QSGSoftwareSpriteNode*>(node); + break; +#endif + case QSGSoftwareRenderableNode::RenderNode: + m_handle.renderNode = static_cast<QSGRenderNode*>(node); + break; + case QSGSoftwareRenderableNode::Invalid: + m_handle.simpleRectNode = nullptr; + break; + } +} + +QSGSoftwareRenderableNode::~QSGSoftwareRenderableNode() +{ + +} + +void QSGSoftwareRenderableNode::update() +{ + // Update the Node properties + m_isDirty = true; + + QRect boundingRect; + + switch (m_nodeType) { + case QSGSoftwareRenderableNode::SimpleRect: + if (m_handle.simpleRectNode->color().alpha() == 255 && !m_transform.isRotating()) + m_isOpaque = true; + else + m_isOpaque = false; + + boundingRect = m_handle.simpleRectNode->rect().toRect(); + break; + case QSGSoftwareRenderableNode::SimpleTexture: + if (!m_handle.simpleTextureNode->texture()->hasAlphaChannel() && !m_transform.isRotating()) + m_isOpaque = true; + else + m_isOpaque = false; + + boundingRect = m_handle.simpleTextureNode->rect().toRect(); + break; + case QSGSoftwareRenderableNode::Image: + // There isn't a way to tell, so assume it's not + m_isOpaque = false; + + boundingRect = m_handle.imageNode->rect().toRect(); + break; + case QSGSoftwareRenderableNode::Painter: + if (m_handle.painterNode->opaquePainting() && !m_transform.isRotating()) + m_isOpaque = true; + else + m_isOpaque = false; + + boundingRect = QRect(0, 0, m_handle.painterNode->size().width(), m_handle.painterNode->size().height()); + break; + case QSGSoftwareRenderableNode::Rectangle: + if (m_handle.rectangleNode->isOpaque() && !m_transform.isRotating()) + m_isOpaque = true; + else + m_isOpaque = false; + + boundingRect = m_handle.rectangleNode->rect().toRect(); + break; + case QSGSoftwareRenderableNode::Glyph: + // Always has alpha + m_isOpaque = false; + + boundingRect = m_handle.glpyhNode->boundingRect().toAlignedRect(); + break; + case QSGSoftwareRenderableNode::NinePatch: + // Difficult to tell, assume non-opaque + m_isOpaque = false; + + boundingRect = m_handle.ninePatchNode->bounds().toRect(); + break; + case QSGSoftwareRenderableNode::SimpleRectangle: + if (m_handle.simpleRectangleNode->color().alpha() == 255 && !m_transform.isRotating()) + m_isOpaque = true; + else + m_isOpaque = false; + + boundingRect = m_handle.simpleRectangleNode->rect().toRect(); + break; + case QSGSoftwareRenderableNode::SimpleImage: + if (!m_handle.simpleImageNode->texture()->hasAlphaChannel() && !m_transform.isRotating()) + m_isOpaque = true; + else + m_isOpaque = false; + + boundingRect = m_handle.simpleImageNode->rect().toRect(); + break; +#if QT_CONFIG(quick_sprite) + case QSGSoftwareRenderableNode::SpriteNode: + m_isOpaque = m_handle.spriteNode->isOpaque(); + boundingRect = m_handle.spriteNode->rect().toRect(); + break; +#endif + case QSGSoftwareRenderableNode::RenderNode: + if (m_handle.renderNode->flags().testFlag(QSGRenderNode::OpaqueRendering) && !m_transform.isRotating()) + m_isOpaque = true; + else + m_isOpaque = false; + + boundingRect = m_handle.renderNode->rect().toRect(); + break; + default: + break; + } + + m_boundingRect = m_transform.mapRect(boundingRect); + + if (m_hasClipRegion && m_clipRegion.rectCount() <= 1) { + // If there is a clipRegion, and it is empty, the item wont be rendered + if (m_clipRegion.isEmpty()) + m_boundingRect = QRect(); + else + m_boundingRect = m_boundingRect.intersected(m_clipRegion.rects().first()); + } + + // Overrides + if (m_opacity < 1.0f) + m_isOpaque = false; + + m_dirtyRegion = QRegion(m_boundingRect); +} + +struct RenderNodeState : public QSGRenderNode::RenderState +{ + const QMatrix4x4 *projectionMatrix() const override { return &ident; } + QRect scissorRect() const override { return QRect(); } + bool scissorEnabled() const override { return false; } + int stencilValue() const override { return 0; } + bool stencilEnabled() const override { return false; } + const QRegion *clipRegion() const override { return &cr; } + QMatrix4x4 ident; + QRegion cr; +}; + +QRegion QSGSoftwareRenderableNode::renderNode(QPainter *painter, bool forceOpaquePainting) +{ + Q_ASSERT(painter); + + // Check for don't paint conditions + if (m_nodeType != RenderNode) { + if (!m_isDirty || qFuzzyIsNull(m_opacity) || m_dirtyRegion.isEmpty()) { + m_isDirty = false; + m_dirtyRegion = QRegion(); + return QRegion(); + } + } else { + if (!m_isDirty || qFuzzyIsNull(m_opacity)) { + m_isDirty = false; + m_dirtyRegion = QRegion(); + return QRegion(); + } else { + QSGRenderNodePrivate *rd = QSGRenderNodePrivate::get(m_handle.renderNode); + QMatrix4x4 m = m_transform; + rd->m_matrix = &m; + rd->m_opacity = m_opacity; + RenderNodeState rs; + rs.cr = m_clipRegion; + + const QRect br = m_handle.renderNode->flags().testFlag(QSGRenderNode::BoundedRectRendering) + ? m_boundingRect : + QRect(0, 0, painter->device()->width(), painter->device()->height()); + + painter->save(); + painter->setClipRegion(br, Qt::ReplaceClip); + m_handle.renderNode->render(&rs); + painter->restore(); + + m_previousDirtyRegion = QRegion(br); + m_isDirty = false; + m_dirtyRegion = QRegion(); + return br; + } + } + + painter->save(); + painter->setOpacity(m_opacity); + + // Set clipRegion to m_dirtyRegion (in world coordinates) + // as m_dirtyRegion already accounts for clipRegion + painter->setClipRegion(m_dirtyRegion, Qt::ReplaceClip); + if (m_clipRegion.rectCount() > 1) + painter->setClipRegion(m_clipRegion, Qt::IntersectClip); + + painter->setTransform(m_transform, false); //precalculated worldTransform + if (forceOpaquePainting || m_isOpaque) + painter->setCompositionMode(QPainter::CompositionMode_Source); + + switch (m_nodeType) { + case QSGSoftwareRenderableNode::SimpleRect: + painter->fillRect(m_handle.simpleRectNode->rect(), m_handle.simpleRectNode->color()); + break; + case QSGSoftwareRenderableNode::SimpleTexture: + { + QSGTexture *texture = m_handle.simpleTextureNode->texture(); + if (QSGSoftwarePixmapTexture *pt = dynamic_cast<QSGSoftwarePixmapTexture *>(texture)) { + const QPixmap &pm = pt->pixmap(); + painter->drawPixmap(m_handle.simpleTextureNode->rect(), pm, m_handle.simpleTextureNode->sourceRect()); + } else if (QSGPlainTexture *pt = dynamic_cast<QSGPlainTexture *>(texture)) { + const QImage &im = pt->image(); + painter->drawImage(m_handle.simpleTextureNode->rect(), im, m_handle.simpleTextureNode->sourceRect()); + } + } + break; + case QSGSoftwareRenderableNode::Image: + m_handle.imageNode->paint(painter); + break; + case QSGSoftwareRenderableNode::Painter: + m_handle.painterNode->paint(painter); + break; + case QSGSoftwareRenderableNode::Rectangle: + m_handle.rectangleNode->paint(painter); + break; + case QSGSoftwareRenderableNode::Glyph: + m_handle.glpyhNode->paint(painter); + break; + case QSGSoftwareRenderableNode::NinePatch: + m_handle.ninePatchNode->paint(painter); + break; + case QSGSoftwareRenderableNode::SimpleRectangle: + static_cast<QSGSoftwareRectangleNode *>(m_handle.simpleRectangleNode)->paint(painter); + break; + case QSGSoftwareRenderableNode::SimpleImage: + static_cast<QSGSoftwareImageNode *>(m_handle.simpleImageNode)->paint(painter); + break; +#if QT_CONFIG(quick_sprite) + case QSGSoftwareRenderableNode::SpriteNode: + static_cast<QSGSoftwareSpriteNode *>(m_handle.spriteNode)->paint(painter); + break; +#endif + default: + break; + } + + painter->restore(); + + QRegion areaToBeFlushed = m_dirtyRegion; + m_previousDirtyRegion = QRegion(m_boundingRect); + m_isDirty = false; + m_dirtyRegion = QRegion(); + + return areaToBeFlushed; +} + +QRect QSGSoftwareRenderableNode::boundingRect() const +{ + // This returns the bounding area of a renderable node in world coordinates + return m_boundingRect; +} + +bool QSGSoftwareRenderableNode::isDirtyRegionEmpty() const +{ + return m_dirtyRegion.isEmpty(); +} + +void QSGSoftwareRenderableNode::setTransform(const QTransform &transform) +{ + if (m_transform == transform) + return; + m_transform = transform; + update(); +} + +void QSGSoftwareRenderableNode::setClipRegion(const QRegion &clipRect, bool hasClipRegion) +{ + if (m_clipRegion == clipRect && m_hasClipRegion == hasClipRegion) + return; + + m_clipRegion = clipRect; + m_hasClipRegion = hasClipRegion; + update(); +} + +void QSGSoftwareRenderableNode::setOpacity(float opacity) +{ + if (qFuzzyCompare(m_opacity, opacity)) + return; + + m_opacity = opacity; + update(); +} + +void QSGSoftwareRenderableNode::markGeometryDirty() +{ + update(); +} + +void QSGSoftwareRenderableNode::markMaterialDirty() +{ + update(); +} + +void QSGSoftwareRenderableNode::addDirtyRegion(const QRegion &dirtyRegion, bool forceDirty) +{ + // Check if the dirty region applys to this node + QRegion prev = m_dirtyRegion; + if (dirtyRegion.intersects(boundingRect())) { + if (forceDirty) + m_isDirty = true; + m_dirtyRegion += dirtyRegion.intersected(boundingRect()); + } + qCDebug(lcRenderable) << "addDirtyRegion: " << dirtyRegion << "old dirtyRegion: " << prev << "new dirtyRegion: " << m_dirtyRegion; +} + +void QSGSoftwareRenderableNode::subtractDirtyRegion(const QRegion &dirtyRegion) +{ + QRegion prev = m_dirtyRegion; + if (m_isDirty) { + // Check if this rect concerns us + if (dirtyRegion.intersects(QRegion(boundingRect()))) { + m_dirtyRegion -= dirtyRegion; + if (m_dirtyRegion.isEmpty()) + m_isDirty = false; + } + } + qCDebug(lcRenderable) << "subtractDirtyRegion: " << dirtyRegion << "old dirtyRegion" << prev << "new dirtyRegion: " << m_dirtyRegion; +} + +QRegion QSGSoftwareRenderableNode::previousDirtyRegion(bool wasRemoved) const +{ + // When removing a node, the boundingRect shouldn't be subtracted + // because a deleted node has no valid boundingRect + if (wasRemoved) + return m_previousDirtyRegion; + + return m_previousDirtyRegion.subtracted(QRegion(m_boundingRect)); +} + +QRegion QSGSoftwareRenderableNode::dirtyRegion() const +{ + return m_dirtyRegion; +} + +QT_END_NAMESPACE |