Differential D18042 Diff 49300 plugins/qpa/backingstore.cpp

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plugins/qpa/backingstore.cpp

Show First 20 Lines • Show All 41 Lines • ▼ Show 20 Line(s)41 if (!m_buffer) {
42 return; 42​ return;
43 } 43​ }
44 auto b = m_buffer.toStrongRef(); 44​ auto b = m_buffer.toStrongRef();
45 if (!b->isUsed()){ 45​ if (!b->isUsed()){
46 return; 46​ return;
47 } 47​ }
48 const QSize size = m_backBuffer.size(); 48​ const QSize size = m_backBuffer.size();
49 m_backBuffer = QImage(b->address(), size.width(), size.height(), QImage::Format_ARGB32_Premultiplied); 49​ m_backBuffer = QImage(b->address(), size.width(), size.height(), QImage::Format_ARGB32_Premultiplied);
50​ m_backBuffer.setDevicePixelRatio(scale());
50 } 51​ }
51 ); 52​ );
52} 53​}
53 54​
54BackingStore::~BackingStore() = default; 55​BackingStore::~BackingStore() = default;
55 56​
56QPaintDevice *BackingStore::paintDevice() 57​QPaintDevice *BackingStore::paintDevice()
57{ 58​{
58 return &m_backBuffer; 59​ return &m_backBuffer;
59} 60​}
60 61​
61void BackingStore::resize(const QSize &size, const QRegion &staticContents) 62​void BackingStore::resize(const QSize &size, const QRegion &staticContents)
62{ 63​{
63 Q_UNUSED(staticContents) 64​ Q_UNUSED(staticContents)
64 m_size = size; 65​ m_size = size * scale();
65 if (!m_buffer) { 66​ if (!m_buffer) {
66 return; 67​ return;
67 } 68​ }
68 m_buffer.toStrongRef()->setUsed(false); 69​ m_buffer.toStrongRef()->setUsed(false);
69 m_buffer.clear(); 70​ m_buffer.clear();
70} 71​}
71 72​
72void BackingStore::flush(QWindow *window, const QRegion &region, const QPoint &offset) 73​void BackingStore::flush(QWindow *window, const QRegion &region, const QPoint &offset)
73{ 74​{
74 Q_UNUSED(region) 75​ Q_UNUSED(region)
75 Q_UNUSED(offset) 76​ Q_UNUSED(offset)
76 auto s = static_cast<Window *>(window->handle())->surface(); 77​
78​ auto w = static_cast<Window *>(window->handle());
79​ auto s = w->surface();
77 if (!s) { 80​ if (!s) {
78 return; 81​ return;
79 } 82​ }
80 s->attachBuffer(m_buffer); 83​ s->attachBuffer(m_buffer);
81 // TODO: proper damage region 84​ // TODO: proper damage region
82 s->damage(QRect(QPoint(0, 0), m_backBuffer.size())); 85​ s->damage(QRect(QPoint(0, 0), m_backBuffer.size() / scale()));
83 s->commit(KWayland::Client::Surface::CommitFlag::None); 86​ s->commit(KWayland::Client::Surface::CommitFlag::None);
84 waylandServer()->internalClientConection()->flush(); 87​ waylandServer()->internalClientConection()->flush();
85 waylandServer()->dispatch(); 88​ waylandServer()->dispatch();
86} 89​}
87 90​
88void BackingStore::beginPaint(const QRegion&) 91​void BackingStore::beginPaint(const QRegion&)
89{ 92​{
90 if (m_buffer) { 93​ if (m_buffer) {
Show All 12 Lines
103 m_buffer = m_shm->getBuffer(m_size, m_size.width() * 4); 106​ m_buffer = m_shm->getBuffer(m_size, m_size.width() * 4);
104 if (!m_buffer) { 107​ if (!m_buffer) {
105 m_backBuffer = QImage(); 108​ m_backBuffer = QImage();
106 return; 109​ return;
107 } 110​ }
108 auto b = m_buffer.toStrongRef(); 111​ auto b = m_buffer.toStrongRef();
109 b->setUsed(true); 112​ b->setUsed(true);
110 m_backBuffer = QImage(b->address(), m_size.width(), m_size.height(), QImage::Format_ARGB32_Premultiplied); 113​ m_backBuffer = QImage(b->address(), m_size.width(), m_size.height(), QImage::Format_ARGB32_Premultiplied);
114​ m_backBuffer.setDevicePixelRatio(scale());
111 if (oldBuffer) { 115​ if (oldBuffer) {
112 b->copy(oldBuffer->address()); 116​ b->copy(oldBuffer->address());
113 } else { 117​ } else {
114 m_backBuffer.fill(Qt::transparent); 118​ m_backBuffer.fill(Qt::transparent);
115 } 119​ }
116} 120​}
117 121​
122​int BackingStore::scale() const
123​{
124​ return static_cast<Window *>(window()->handle())->scale();
125​}
126​
118} 127​}
119} 128​}