Mac: Add partial swap support to NSOpenGLContext path

content/browser/gpu/gpu_process_host_ui_shim.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/gpu/gpu_process_host_ui_shim.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
@@ skipping 207 matching lines @@
 
 bool GpuProcessHostUIShim::OnControlMessageReceived(
     const IPC::Message& message) {
   DCHECK(CalledOnValidThread());
 
   IPC_BEGIN_MESSAGE_MAP(GpuProcessHostUIShim, message)
     IPC_MESSAGE_HANDLER(GpuHostMsg_OnLogMessage,
                         OnLogMessage)
     IPC_MESSAGE_HANDLER(GpuHostMsg_AcceleratedSurfaceInitialized,
                         OnAcceleratedSurfaceInitialized)
+#if defined(OS_MACOSX)
     IPC_MESSAGE_HANDLER(GpuHostMsg_AcceleratedSurfaceBuffersSwapped,
                         OnAcceleratedSurfaceBuffersSwapped)
+#endif
     IPC_MESSAGE_HANDLER(GpuHostMsg_GraphicsInfoCollected,
                         OnGraphicsInfoCollected)
     IPC_MESSAGE_HANDLER(GpuHostMsg_VideoMemoryUsageStats,
                         OnVideoMemoryUsageStatsReceived);
     IPC_MESSAGE_HANDLER(GpuHostMsg_ResourcesRelinquished,
                         OnResourcesRelinquished)
     IPC_MESSAGE_HANDLER(GpuHostMsg_AddSubscription, OnAddSubscription);
     IPC_MESSAGE_HANDLER(GpuHostMsg_RemoveSubscription, OnRemoveSubscription);
 
     IPC_MESSAGE_UNHANDLED_ERROR()
@@ skipping 21 matching lines @@
 
 void GpuProcessHostUIShim::OnAcceleratedSurfaceInitialized(int32 surface_id,
                                                            int32 route_id) {
   RenderWidgetHostViewBase* view =
       GetRenderWidgetHostViewFromSurfaceID(surface_id);
   if (!view)
     return;
   view->AcceleratedSurfaceInitialized(route_id);
 }
 
+#if defined(OS_MACOSX)
 void GpuProcessHostUIShim::OnAcceleratedSurfaceBuffersSwapped(
     const GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params& params) {
-#if defined(OS_MACOSX)
   TRACE_EVENT0("renderer",
       "GpuProcessHostUIShim::OnAcceleratedSurfaceBuffersSwapped");
   if (!ui::LatencyInfo::Verify(params.latency_info,
                                "GpuHostMsg_AcceleratedSurfaceBuffersSwapped")) {
     return;
   }
 
   // On Mac with delegated rendering, accelerated surfaces are not necessarily
   // associated with a RenderWidgetHostViewBase.
   AcceleratedSurfaceMsg_BufferPresented_Params ack_params;
   DCHECK(IsDelegatedRendererEnabled());
 
   // If the frame was intended for an NSView that the gfx::AcceleratedWidget is
   // no longer attached to, do not pass the frame along to the widget. Just ack
   // it to the GPU process immediately, so we can proceed to the next frame.
   bool should_not_show_frame =
       content::ImageTransportFactory::GetInstance()
           ->SurfaceShouldNotShowFramesAfterSuspendForRecycle(params.surface_id);
   if (should_not_show_frame) {
     OnSurfaceDisplayedCallback(params.surface_id);
   } else {
     gfx::AcceleratedWidget native_widget =
         content::GpuSurfaceTracker::Get()->AcquireNativeWidget(
             params.surface_id);
     ui::AcceleratedWidgetMacGotAcceleratedFrame(
         native_widget, params.surface_handle, params.latency_info, params.size,
         params.scale_factor,
+        params.damage_rect,
         base::Bind(&OnSurfaceDisplayedCallback, params.surface_id),
         &ack_params.disable_throttling, &ack_params.renderer_id);
   }
   Send(new AcceleratedSurfaceMsg_BufferPresented(params.route_id, ack_params));
-#else
-  NOTREACHED();
+}
 #endif
-}
 
 void GpuProcessHostUIShim::OnVideoMemoryUsageStatsReceived(
     const GPUVideoMemoryUsageStats& video_memory_usage_stats) {
   GpuDataManagerImpl::GetInstance()->UpdateVideoMemoryUsageStats(
       video_memory_usage_stats);
 }
 
 void GpuProcessHostUIShim::OnResourcesRelinquished() {
   if (!relinquish_callback_.is_null()) {
     base::ResetAndReturn(&relinquish_callback_).Run();
@@ skipping 10 matching lines @@
 
 void GpuProcessHostUIShim::OnRemoveSubscription(
     int32 process_id, unsigned int target) {
   RenderProcessHost* rph = RenderProcessHost::FromID(process_id);
   if (rph) {
     rph->OnRemoveSubscription(target);
   }
 }
 
 }  // namespace content