diff options
| -rw-r--r-- | src/core/render_widget_host_view_qt.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/core/render_widget_host_view_qt.cpp b/src/core/render_widget_host_view_qt.cpp index 7d470e5cf..8e50ea2e5 100644 --- a/src/core/render_widget_host_view_qt.cpp +++ b/src/core/render_widget_host_view_qt.cpp @@ -596,6 +596,12 @@ void RenderWidgetHostViewQt::OnSwapCompositorFrame(uint32 output_surface_id, sco Q_ASSERT(!m_frameNodeData->frameData || m_frameNodeData->frameData->resource_list.empty()); m_frameNodeData->frameData = frame->delegated_frame_data.Pass(); m_frameNodeData->frameDevicePixelRatio = frame->metadata.device_scale_factor; + + // Support experimental.viewport.devicePixelRatio, see GetScreenInfo implementation below. + float dpiScale = this->dpiScale(); + if (dpiScale != 0 && dpiScale != 1) + m_frameNodeData->frameDevicePixelRatio /= dpiScale; + m_delegate->update(); } @@ -605,6 +611,8 @@ void RenderWidgetHostViewQt::GetScreenInfo(blink::WebScreenInfo* results) if (!window) return; GetScreenInfoFromNativeWindow(window, results); + + // Support experimental.viewport.devicePixelRatio results->deviceScaleFactor *= dpiScale(); } |