macOS: Fix rendering with surface synchronization (issue #2447)

libcef/browser/osr/render_widget_host_view_osr.cc

@@ -238,9 +238,9 @@ CefRenderWidgetHostViewOSR::CefRenderWidgetHostViewOSR(
         content::RenderViewHost::From(render_widget_host_));
   }
 
+#if !defined(OS_MACOSX)
   local_surface_id_ = local_surface_id_allocator_.GenerateId();
 
-#if !defined(OS_MACOSX)
   // Matching the attributes from BrowserCompositorMac.
   delegated_frame_host_ = std::make_unique<content::DelegatedFrameHost>(
       AllocateFrameSinkId(is_guest_view_hack), this,
@@ -859,6 +859,16 @@ void CefRenderWidgetHostViewOSR::SelectionChanged(const base::string16& text,
   }
 }
 
+#if !defined(OS_MACOSX)
+viz::LocalSurfaceId CefRenderWidgetHostViewOSR::GetLocalSurfaceId() const {
+  return local_surface_id_;
+}
+#endif
+
+viz::FrameSinkId CefRenderWidgetHostViewOSR::GetFrameSinkId() {
+  return GetDelegatedFrameHost()->frame_sink_id();
+}
+
 void CefRenderWidgetHostViewOSR::SetNeedsBeginFrames(bool enabled) {
   SetFrameRate();
 
@@ -914,12 +924,12 @@ bool CefRenderWidgetHostViewOSR::TransformPointToCoordSpaceForView(
 }
 
 void CefRenderWidgetHostViewOSR::DidNavigate() {
-#if defined(OS_MACOSX)
-  browser_compositor_->DidNavigate();
-#else
   // With surface synchronization enabled we need to force synchronization on
   // first navigation.
   ResizeRootLayer(true);
+#if defined(OS_MACOSX)
+  browser_compositor_->DidNavigate();
+#else
   if (delegated_frame_host_)
     delegated_frame_host_->DidNavigate();
 #endif
@@ -959,10 +969,6 @@ SkColor CefRenderWidgetHostViewOSR::DelegatedFrameHostGetGutterColor() const {
   return background_color_;
 }
 
-viz::LocalSurfaceId CefRenderWidgetHostViewOSR::GetLocalSurfaceId() const {
-  return local_surface_id_;
-}
-
 void CefRenderWidgetHostViewOSR::OnFirstSurfaceActivation(
     const viz::SurfaceInfo& surface_info) {}
 
@@ -1285,9 +1291,11 @@ void CefRenderWidgetHostViewOSR::SetFrameRate() {
       osr_util::ClampFrameRate(browser->settings().windowless_frame_rate);
   frame_rate_threshold_us_ = 1000000 / frame_rate;
 
-  // Configure the VSync interval for the browser process.
-  GetCompositor()->vsync_manager()->SetAuthoritativeVSyncInterval(
-      base::TimeDelta::FromMicroseconds(frame_rate_threshold_us_));
+  if (GetCompositor()) {
+    // Configure the VSync interval for the browser process.
+    GetCompositor()->vsync_manager()->SetAuthoritativeVSyncInterval(
+        base::TimeDelta::FromMicroseconds(frame_rate_threshold_us_));
+  }
 
   if (copy_frame_generator_.get()) {
     copy_frame_generator_->set_frame_rate_threshold_us(
@@ -1349,23 +1357,26 @@ void CefRenderWidgetHostViewOSR::ResizeRootLayer(bool force) {
     return;
   }
 
+  GetRootLayer()->SetBounds(gfx::Rect(size));
+
+#if defined(OS_MACOSX)
+  bool resized = UpdateNSViewAndDisplay();
+#else
   const gfx::Size& size_in_pixels =
       gfx::ConvertSizeToPixel(current_device_scale_factor_, size);
 
   local_surface_id_ = local_surface_id_allocator_.GenerateId();
 
-  GetRootLayer()->SetBounds(gfx::Rect(size));
-  GetCompositor()->SetScaleAndSize(current_device_scale_factor_, size_in_pixels,
-                                   local_surface_id_);
+  if (GetCompositor()) {
+    GetCompositor()->SetScaleAndSize(current_device_scale_factor_,
+                                     size_in_pixels, local_surface_id_);
+  }
   PlatformResizeCompositorWidget(size_in_pixels);
 
-#if defined(OS_MACOSX)
-  bool resized = UpdateNSViewAndDisplay();
-#else
   bool resized = true;
   GetDelegatedFrameHost()->SynchronizeVisualProperties(
       local_surface_id_, size, cc::DeadlinePolicy::UseDefaultDeadline());
-#endif
+#endif  // !defined(OS_MACOSX)
 
   // Note that |render_widget_host_| will retrieve resize parameters from the
   // DelegatedFrameHost, so it must have SynchronizeVisualProperties called

libcef/browser/osr/render_widget_host_view_osr.h

@@ -187,6 +187,9 @@ class CefRenderWidgetHostViewOSR : public content::RenderWidgetHostViewBase,
                         size_t offset,
                         const gfx::Range& range) override;
 
+  viz::LocalSurfaceId GetLocalSurfaceId() const override;
+  viz::FrameSinkId GetFrameSinkId() override;
+
   // ui::CompositorDelegate implementation.
   std::unique_ptr<viz::SoftwareOutputDevice> CreateSoftwareOutputDevice(
       ui::Compositor* compositor) override;
@@ -196,7 +199,6 @@ class CefRenderWidgetHostViewOSR : public content::RenderWidgetHostViewBase,
   ui::Layer* DelegatedFrameHostGetLayer() const override;
   bool DelegatedFrameHostIsVisible() const override;
   SkColor DelegatedFrameHostGetGutterColor() const override;
-  viz::LocalSurfaceId GetLocalSurfaceId() const override;
   void OnFirstSurfaceActivation(const viz::SurfaceInfo& surface_info) override;
   void OnBeginFrame(base::TimeTicks frame_time) override;
   void OnFrameTokenChanged(uint32_t frame_token) override;
@@ -252,8 +254,6 @@ class CefRenderWidgetHostViewOSR : public content::RenderWidgetHostViewBase,
   }
   ui::Layer* GetRootLayer() const;
 
-  viz::LocalSurfaceId local_surface_id() const { return local_surface_id_; }
-
  private:
   content::DelegatedFrameHost* GetDelegatedFrameHost() const;
 
@@ -296,7 +296,9 @@ class CefRenderWidgetHostViewOSR : public content::RenderWidgetHostViewBase,
 #endif  // defined(OS_MACOSX)
 
   void PlatformCreateCompositorWidget(bool is_guest_view_hack);
+#if !defined(OS_MACOSX)
   void PlatformResizeCompositorWidget(const gfx::Size& size);
+#endif
   void PlatformDestroyCompositorWidget();
 
 #if defined(USE_AURA)
@@ -313,10 +315,9 @@ class CefRenderWidgetHostViewOSR : public content::RenderWidgetHostViewBase,
   gfx::AcceleratedWidget compositor_widget_;
   std::unique_ptr<content::DelegatedFrameHost> delegated_frame_host_;
   std::unique_ptr<ui::Layer> root_layer_;
-#endif
-
   viz::LocalSurfaceId local_surface_id_;
   viz::ParentLocalSurfaceIdAllocator local_surface_id_allocator_;
+#endif
 
 #if defined(OS_WIN)
   std::unique_ptr<gfx::WindowImpl> window_;

libcef/browser/osr/render_widget_host_view_osr_mac.mm

@@ -90,6 +90,10 @@ bool CefRenderWidgetHostViewOSR::ShouldContinueToPauseForFrame() {
   return browser_compositor_->ShouldContinueToPauseForFrame();
 }
 
+viz::LocalSurfaceId CefRenderWidgetHostViewOSR::GetLocalSurfaceId() const {
+  return browser_compositor_->GetRendererLocalSurfaceId();
+}
+
 ui::Compositor* CefRenderWidgetHostViewOSR::GetCompositor() const {
   return browser_compositor_->GetCompositor();
 }
@@ -129,9 +133,6 @@ void CefRenderWidgetHostViewOSR::PlatformCreateCompositorWidget(
       GetDisplay(), AllocateFrameSinkId(is_guest_view_hack)));
 }
 
-void CefRenderWidgetHostViewOSR::PlatformResizeCompositorWidget(
-    const gfx::Size&) {}
-
 void CefRenderWidgetHostViewOSR::PlatformDestroyCompositorWidget() {
   DCHECK(window_);
 

tests/ceftests/os_rendering_unittest.cc

@@ -467,7 +467,7 @@ class OSRTestHandler : public RoutingTestHandler,
           EXPECT_TRUE(IsFullRepaint(dirtyRects[0], GetScaledInt(kOsrWidth),
                                     GetScaledInt(kOsrHeight)));
 #if defined(OS_MACOSX)
-          EXPECT_EQ(0x807e0308U, *(reinterpret_cast<const uint32*>(buffer)));
+          EXPECT_EQ(0x807F070EU, *(reinterpret_cast<const uint32*>(buffer)));
 #else
           EXPECT_EQ(0x80800000U, *(reinterpret_cast<const uint32*>(buffer)));
 #endif