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-rw-r--r--src/client/qwaylandbuffer_p.h1
-rw-r--r--src/client/qwaylandscreen.cpp20
-rw-r--r--src/client/qwaylandscreen_p.h4
-rw-r--r--src/client/qwaylandshmbackingstore.cpp18
-rw-r--r--src/client/qwaylandshmbackingstore_p.h3
-rw-r--r--src/client/qwaylandwindow.cpp17
-rw-r--r--src/client/qwaylandwindow_p.h3
7 files changed, 57 insertions, 9 deletions
diff --git a/src/client/qwaylandbuffer_p.h b/src/client/qwaylandbuffer_p.h
index 2bb9990f..0c9903f5 100644
--- a/src/client/qwaylandbuffer_p.h
+++ b/src/client/qwaylandbuffer_p.h
@@ -58,6 +58,7 @@ public:
virtual ~QWaylandBuffer() { }
wl_buffer *buffer() {return mBuffer;}
virtual QSize size() const = 0;
+ virtual int scale() const { return 1; }
protected:
struct wl_buffer *mBuffer;
diff --git a/src/client/qwaylandscreen.cpp b/src/client/qwaylandscreen.cpp
index 6e48c442..675c8404 100644
--- a/src/client/qwaylandscreen.cpp
+++ b/src/client/qwaylandscreen.cpp
@@ -59,6 +59,7 @@ QWaylandScreen::QWaylandScreen(QWaylandDisplay *waylandDisplay, int version, uin
, m_outputId(id)
, mWaylandDisplay(waylandDisplay)
, mExtendedOutput(0)
+ , mScale(1)
, mDepth(32)
, mRefreshRate(60000)
, mTransform(-1)
@@ -83,7 +84,9 @@ QWaylandDisplay * QWaylandScreen::display() const
QRect QWaylandScreen::geometry() const
{
- return mGeometry;
+ // Scale geometry for QScreen. This makes window and screen
+ // geometry be in the same coordinate system.
+ return QRect(mGeometry.topLeft(), mGeometry.size() / mScale);
}
int QWaylandScreen::depth() const
@@ -127,6 +130,16 @@ Qt::ScreenOrientation QWaylandScreen::orientation() const
return m_orientation;
}
+int QWaylandScreen::scale() const
+{
+ return mScale;
+}
+
+qreal QWaylandScreen::devicePixelRatio() const
+{
+ return qreal(mScale);
+}
+
qreal QWaylandScreen::refreshRate() const
{
return mRefreshRate / 1000.f;
@@ -188,6 +201,11 @@ void QWaylandScreen::output_geometry(int32_t x, int32_t y,
mGeometry.moveTopLeft(QPoint(x, y));
}
+void QWaylandScreen::output_scale(int32_t factor)
+{
+ mScale = factor;
+}
+
void QWaylandScreen::output_done()
{
// the done event is sent after all the geometry and the mode events are sent,
diff --git a/src/client/qwaylandscreen_p.h b/src/client/qwaylandscreen_p.h
index d3173e0c..d0c5d710 100644
--- a/src/client/qwaylandscreen_p.h
+++ b/src/client/qwaylandscreen_p.h
@@ -72,6 +72,8 @@ public:
void setOrientationUpdateMask(Qt::ScreenOrientations mask);
Qt::ScreenOrientation orientation() const;
+ int scale() const;
+ qreal devicePixelRatio() const Q_DECL_OVERRIDE;
qreal refreshRate() const;
QString name() const { return mOutputName; }
@@ -95,12 +97,14 @@ private:
const QString &make,
const QString &model,
int32_t transform) Q_DECL_OVERRIDE;
+ void output_scale(int32_t factor) Q_DECL_OVERRIDE;
void output_done() Q_DECL_OVERRIDE;
int m_outputId;
QWaylandDisplay *mWaylandDisplay;
QWaylandExtendedOutput *mExtendedOutput;
QRect mGeometry;
+ int mScale;
int mDepth;
int mRefreshRate;
int mTransform;
diff --git a/src/client/qwaylandshmbackingstore.cpp b/src/client/qwaylandshmbackingstore.cpp
index d407335d..9ec80013 100644
--- a/src/client/qwaylandshmbackingstore.cpp
+++ b/src/client/qwaylandshmbackingstore.cpp
@@ -56,7 +56,7 @@
QT_BEGIN_NAMESPACE
QWaylandShmBuffer::QWaylandShmBuffer(QWaylandDisplay *display,
- const QSize &size, QImage::Format format)
+ const QSize &size, QImage::Format format, int scale)
: mMarginsImage(0)
{
int stride = size.width() * 4;
@@ -87,6 +87,8 @@ QWaylandShmBuffer::QWaylandShmBuffer(QWaylandDisplay *display,
}
mImage = QImage(data, size.width(), size.height(), stride, format);
+ mImage.setDevicePixelRatio(qreal(scale));
+
mShmPool = wl_shm_create_pool(display->shm(), fd, alloc);
mBuffer = wl_shm_pool_create_buffer(mShmPool,0, size.width(), size.height(),
stride, WL_SHM_FORMAT_ARGB8888);
@@ -101,8 +103,10 @@ QWaylandShmBuffer::~QWaylandShmBuffer(void)
wl_shm_pool_destroy(mShmPool);
}
-QImage *QWaylandShmBuffer::imageInsideMargins(const QMargins &margins)
+QImage *QWaylandShmBuffer::imageInsideMargins(const QMargins &marginsIn)
{
+ QMargins margins = marginsIn * int(mImage.devicePixelRatio());
+
if (!margins.isNull() && margins != mMargins) {
if (mMarginsImage) {
delete mMarginsImage;
@@ -112,6 +116,7 @@ QImage *QWaylandShmBuffer::imageInsideMargins(const QMargins &margins)
int b_s_width = mImage.size().width() - margins.left() - margins.right();
int b_s_height = mImage.size().height() - margins.top() - margins.bottom();
mMarginsImage = new QImage(b_s_data, b_s_width,b_s_height,mImage.bytesPerLine(),mImage.format());
+ mMarginsImage->setDevicePixelRatio(mImage.devicePixelRatio());
}
if (margins.isNull()) {
delete mMarginsImage;
@@ -228,7 +233,7 @@ void QWaylandShmBackingStore::flush(QWindow *window, const QRegion &region, cons
if (damageAll) {
//need to damage it all, otherwise the attach offset may screw up
- waylandWindow()->damage(QRect(QPoint(0,0),mFrontBuffer->size()));
+ waylandWindow()->damage(QRect(QPoint(0,0), window->size()));
} else {
QVector<QRect> rects = region.rects();
for (int i = 0; i < rects.size(); i++) {
@@ -249,7 +254,8 @@ void QWaylandShmBackingStore::resize(const QSize &size, const QRegion &)
void QWaylandShmBackingStore::resize(const QSize &size)
{
QMargins margins = windowDecorationMargins();
- QSize sizeWithMargins = size + QSize(margins.left()+margins.right(),margins.top()+margins.bottom());
+ int scale = waylandWindow()->scale();
+ QSize sizeWithMargins = (size + QSize(margins.left()+margins.right(),margins.top()+margins.bottom())) * scale;
QImage::Format format = QPlatformScreen::platformScreenForWindow(window())->format();
@@ -260,7 +266,7 @@ void QWaylandShmBackingStore::resize(const QSize &size)
delete mBackBuffer; //we delete the attached buffer when we flush
}
- mBackBuffer = new QWaylandShmBuffer(mDisplay, sizeWithMargins, format);
+ mBackBuffer = new QWaylandShmBuffer(mDisplay, sizeWithMargins, format, scale);
if (windowDecoration() && window()->isVisible())
windowDecoration()->update();
@@ -354,7 +360,7 @@ void QWaylandShmBackingStore::done(void *data, wl_callback *callback, uint32_t t
delete window->attached();
}
window->attachOffset(self->mFrontBuffer);
- window->damage(QRect(QPoint(0,0),self->mFrontBuffer->size()));
+ window->damage(QRect(QPoint(0,0),window->geometry().size()));
window->commit();
}
}
diff --git a/src/client/qwaylandshmbackingstore_p.h b/src/client/qwaylandshmbackingstore_p.h
index 1212e52f..b1e326c3 100644
--- a/src/client/qwaylandshmbackingstore_p.h
+++ b/src/client/qwaylandshmbackingstore_p.h
@@ -57,9 +57,10 @@ class QWaylandWindow;
class Q_WAYLAND_CLIENT_EXPORT QWaylandShmBuffer : public QWaylandBuffer {
public:
QWaylandShmBuffer(QWaylandDisplay *display,
- const QSize &size, QImage::Format format);
+ const QSize &size, QImage::Format format, int scale = 1);
~QWaylandShmBuffer();
QSize size() const { return mImage.size(); }
+ int scale() const Q_DECL_OVERRIDE { return int(mImage.devicePixelRatio()); }
QImage *image() { return &mImage; }
QImage *imageInsideMargins(const QMargins &margins);
diff --git a/src/client/qwaylandwindow.cpp b/src/client/qwaylandwindow.cpp
index 9f7bdda1..fd06972f 100644
--- a/src/client/qwaylandwindow.cpp
+++ b/src/client/qwaylandwindow.cpp
@@ -126,6 +126,12 @@ QWaylandWindow::QWaylandWindow(QWindow *window)
mShellSurface->setTopLevel();
}
+ // Enable high-dpi rendering. Scale() returns the screen scale factor and will
+ // typically be integer 1 (normal-dpi) or 2 (high-dpi). Call set_buffer_scale()
+ // to inform the compositor that high-resolution buffers will be provided.
+ if (mDisplay->compositorVersion() >= 3)
+ set_buffer_scale(scale());
+
setOrientationMask(window->screen()->orientationUpdateMask());
setWindowFlags(window->flags());
setGeometry_helper(window->geometry());
@@ -369,7 +375,6 @@ void QWaylandWindow::requestResize()
void QWaylandWindow::attach(QWaylandBuffer *buffer, int x, int y)
{
mBuffer = buffer;
-
if (mBuffer)
attach(mBuffer->buffer(), x, y);
else
@@ -707,6 +712,16 @@ bool QWaylandWindow::isExposed() const
return QPlatformWindow::isExposed();
}
+int QWaylandWindow::scale() const
+{
+ return screen()->scale();
+}
+
+qreal QWaylandWindow::devicePixelRatio() const
+{
+ return screen()->devicePixelRatio();
+}
+
bool QWaylandWindow::setMouseGrabEnabled(bool grab)
{
if (window()->type() != Qt::Popup) {
diff --git a/src/client/qwaylandwindow_p.h b/src/client/qwaylandwindow_p.h
index 0c55cd88..0d982d43 100644
--- a/src/client/qwaylandwindow_p.h
+++ b/src/client/qwaylandwindow_p.h
@@ -142,6 +142,9 @@ public:
void setMask(const QRegion &region) Q_DECL_OVERRIDE;
+ int scale() const;
+ qreal devicePixelRatio() const Q_DECL_OVERRIDE;
+
void requestActivateWindow() Q_DECL_OVERRIDE;
bool isExposed() const Q_DECL_OVERRIDE;
void unfocus();
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