1berry/qtbase
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Fix VNC format conversion

Browse Source 
Pass the right from depth to the conversion function, and
set the right format before creating the compositor image
for RGB16 support.

Fixes: QTBUG-85621
Change-Id: I76f46a3c2d8f1d2b040b790035dbdb0a960ff1a7
Reviewed-by: Andy Nichols <andy.nichols@qt.io>
Reviewed-by: Eirik Aavitsland <eirik.aavitsland@qt.io>
(cherry picked from commit 47c6b5b91e0d1271075d98ded5aa7a25296b5ee3)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
This commit is contained in:
Allan Sandfeld Jensen 2021-01-12 14:27:38 +01:00 committed by Qt Cherry-pick Bot
parent e15d63baa3
commit 3b1cb25eb0
4 changed files with 9 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
src/plugins/platforms/vnc/qvnc.cpp
View File

@ -514,8 +514,9 @@ void QRfbRawEncoder::write()
// convert pixels
char *b = buffer.data();
const int bstep = rect.w * bytesPerPixel;
const int depth = screenImage.depth();
for (int i = 0; i < rect.h; ++i) {
client->convertPixels(b, (const char*)screendata, rect.w);
client->convertPixels(b, (const char*)screendata, rect.w, depth);
screendata += linestep;
b += bstep;
}
@ -568,9 +569,10 @@ void QVncClientCursor::write(QVncClient *client) const
Q_ASSERT(cursor.hasAlphaChannel());
const QImage img = cursor.convertToFormat(client->server()->screen()->format());
const int n = client->clientBytesPerPixel() * img.width();
const int depth = img.depth();
char *buffer = new char[n];
for (int i = 0; i < img.height(); ++i) {
client->convertPixels(buffer, (const char*)img.scanLine(i), img.width());
client->convertPixels(buffer, (const char*)img.scanLine(i), img.width(), depth);
socket->write(buffer, n);
}
delete[] buffer;

4
src/plugins/platforms/vnc/qvncclient.cpp
View File

@ -97,10 +97,8 @@ void QVncClient::setDirty(const QRegion &region)
}
}
void QVncClient::convertPixels(char *dst, const char *src, int count) const
void QVncClient::convertPixels(char *dst, const char *src, int count, int screendepth) const
{
const int screendepth = m_server->screen()->depth();
// cutoffs
#if Q_BYTE_ORDER == Q_BIG_ENDIAN
if (!m_swapBytes)

2
src/plugins/platforms/vnc/qvncclient.h
View File

@ -77,7 +77,7 @@ public:
return m_pixelFormat.bitsPerPixel / 8;
}
void convertPixels(char *dst, const char *src, int count) const;
void convertPixels(char *dst, const char *src, int count, int depth) const;
inline bool doPixelConversion() const { return m_needConversion; }
signals:

5
src/plugins/platforms/vnc/qvncscreen.cpp
View File

@ -86,14 +86,13 @@ bool QVncScreen::initialize()
}
}
QFbScreen::initializeCompositor();
switch (depth()) {
case 32:
dirty = new QVncDirtyMapOptimized<quint32>(this);
break;
case 16:
dirty = new QVncDirtyMapOptimized<quint16>(this);
mFormat = QImage::Format_RGB16;
break;
case 8:
dirty = new QVncDirtyMapOptimized<quint8>(this);
@ -105,6 +104,8 @@ bool QVncScreen::initialize()
return false;
}
QFbScreen::initializeCompositor();
setPowerState(PowerStateOff);
return true;