diff options
Diffstat (limited to 'src/gui/painting/qplatformbackingstore.cpp')
| -rw-r--r-- | src/gui/painting/qplatformbackingstore.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/gui/painting/qplatformbackingstore.cpp b/src/gui/painting/qplatformbackingstore.cpp index e006fad437..336cb88444 100644 --- a/src/gui/painting/qplatformbackingstore.cpp +++ b/src/gui/painting/qplatformbackingstore.cpp @@ -254,6 +254,11 @@ static inline QRect deviceRect(const QRect &rect, QWindow *window) return deviceRect; } +static inline QPoint deviceOffset(const QPoint &pt, QWindow *window) +{ + return pt * window->devicePixelRatio(); +} + static QRegion deviceRegion(const QRegion ®ion, QWindow *window, const QPoint &offset) { if (offset.isNull() && window->devicePixelRatio() <= 1) @@ -348,6 +353,7 @@ void QPlatformBackingStore::composeAndFlush(QWindow *window, const QRegion ®i d_ptr->blitter->bind(); const QRect deviceWindowRect = deviceRect(QRect(QPoint(), window->size()), window); + const QPoint deviceWindowOffset = deviceOffset(offset, window); bool canUseSrgb = false; // If there are any sRGB textures in the list, check if the destination @@ -422,7 +428,7 @@ void QPlatformBackingStore::composeAndFlush(QWindow *window, const QRegion ®i d_ptr->blitter->setRedBlueSwizzle(true); // The backingstore is for the entire tlw. // In case of native children offset tells the position relative to the tlw. - const QRect srcRect = toBottomLeftRect(deviceWindowRect.translated(offset), d_ptr->textureSize.height()); + const QRect srcRect = toBottomLeftRect(deviceWindowRect.translated(deviceWindowOffset), d_ptr->textureSize.height()); const QMatrix3x3 source = QOpenGLTextureBlitter::sourceTransform(srcRect, d_ptr->textureSize, origin); |