Mojo multiple command buffer support and sample

mojo/services/surfaces/surfaces_impl.cc

 // Copyright 2014 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 "mojo/services/surfaces/surfaces_impl.h"
 
 #include "cc/output/compositor_frame.h"
 #include "cc/resources/returned_resource.h"
 #include "cc/surfaces/display.h"
 #include "cc/surfaces/surface_id_allocator.h"
@@ skipping 26 matching lines @@
     NOTREACHED();
     return;
   }
   factory_.Create(id.To<cc::SurfaceId>(), size.To<gfx::Size>());
 }
 
 void SurfacesImpl::SubmitFrame(SurfaceIdPtr id, FramePtr frame_ptr) {
   cc::SurfaceId cc_id = id.To<cc::SurfaceId>();
   if (cc::SurfaceIdAllocator::NamespaceForId(cc_id) != id_namespace_) {
     // Bad message, do something bad to the caller?
-    NOTREACHED();
+    LOG(FATAL) << "Received frame for id " << cc_id.id << " namespace "
+               << cc::SurfaceIdAllocator::NamespaceForId(cc_id)
+               << " should be namespace " << id_namespace_;
     return;
   }
   factory_.SubmitFrame(id.To<cc::SurfaceId>(), mojo::ConvertTo(frame_ptr));
   client_->FrameSubmitted();
 }
 
 void SurfacesImpl::DestroySurface(SurfaceIdPtr id) {
   cc::SurfaceId cc_id = id.To<cc::SurfaceId>();
   if (cc::SurfaceIdAllocator::NamespaceForId(cc_id) != id_namespace_) {
     // Bad message, do something bad to the caller?
     NOTREACHED();
     return;
   }
   factory_.Destroy(id.To<cc::SurfaceId>());
 }
 
 void SurfacesImpl::CreateGLES2BoundSurface(CommandBufferPtr gles2_client,
                                            SurfaceIdPtr id,
                                            mojo::SizePtr size) {
   command_buffer_handle_ = gles2_client.PassMessagePipe();
 
   cc::SurfaceId cc_id = id.To<cc::SurfaceId>();
   if (cc::SurfaceIdAllocator::NamespaceForId(cc_id) != id_namespace_) {
     // Bad message, do something bad to the caller?
-    NOTREACHED();
+    LOG(FATAL) << "Received request for id " << cc_id.id << " namespace "
+               << cc::SurfaceIdAllocator::NamespaceForId(cc_id)
+               << " should be namespace " << id_namespace_;
     return;
   }
   if (!display_) {
     display_.reset(new cc::Display(this, manager_, NULL));
     client_->SetDisplay(display_.get());
   }
   factory_.Create(cc_id, size.To<gfx::Size>());
   display_->Resize(cc_id, size.To<gfx::Size>());
 }
 
 void SurfacesImpl::ReturnResources(const cc::ReturnedResourceArray& resources) {
   Array<ReturnedResourcePtr> ret(resources.size());
   for (size_t i = 0; i < resources.size(); ++i) {
     ret[i] = ReturnedResource::From(resources[i]);
   }
   client()->ReturnResources(ret.Pass());
 }
 
 scoped_ptr<cc::OutputSurface> SurfacesImpl::CreateOutputSurface() {
   return make_scoped_ptr(new cc::OutputSurface(
       new ContextProviderMojo(command_buffer_handle_.Pass())));
 }
 
 void SurfacesImpl::DisplayDamaged() {
 }
 
 }  // namespace mojo