Index: content/browser/renderer_host/offscreen_canvas_surface_impl.cc |
diff --git a/content/browser/renderer_host/offscreen_canvas_surface_impl.cc b/content/browser/renderer_host/offscreen_canvas_surface_impl.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..417bf88d4f651e131171f784792741b92e6a5794 |
--- /dev/null |
+++ b/content/browser/renderer_host/offscreen_canvas_surface_impl.cc |
@@ -0,0 +1,81 @@ |
+// Copyright 2016 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/renderer_host/offscreen_canvas_surface_impl.h" |
+ |
+#include "base/bind_helpers.h" |
+#include "cc/surfaces/surface.h" |
+#include "cc/surfaces/surface_manager.h" |
+#include "content/browser/compositor/surface_utils.h" |
+#include "content/public/browser/browser_thread.h" |
+ |
+namespace content { |
+ |
+// static |
+void OffscreenCanvasSurfaceImpl::Create( |
+ mojo::InterfaceRequest<blink::mojom::OffscreenCanvasSurface> request) { |
+ // |binding_| will take ownership of OffscreenCanvasSurfaceImpl |
+ new OffscreenCanvasSurfaceImpl(std::move(request)); |
+} |
+ |
+OffscreenCanvasSurfaceImpl::OffscreenCanvasSurfaceImpl( |
+ mojo::InterfaceRequest<blink::mojom::OffscreenCanvasSurface> request) |
+ : id_allocator_(CreateSurfaceIdAllocator()), |
+ binding_(this, std::move(request)) {} |
+ |
+OffscreenCanvasSurfaceImpl::~OffscreenCanvasSurfaceImpl() { |
+ if (surface_factory_) { |
+ surface_factory_->DestroyAll(); |
+ } |
+} |
+ |
+void OffscreenCanvasSurfaceImpl::GetSurfaceId( |
+ const GetSurfaceIdCallback& callback) { |
+ DCHECK_CURRENTLY_ON(BrowserThread::UI); |
+ |
+ cc::SurfaceId surface_id = id_allocator_->GenerateId(); |
+ |
+ callback.Run(surface_id); |
+} |
+ |
+void OffscreenCanvasSurfaceImpl::RequestSurfaceCreation( |
+ const cc::SurfaceId& surface_id) { |
+ cc::SurfaceManager* manager = GetSurfaceManager(); |
+ if (!surface_factory_) { |
+ surface_factory_ = base::MakeUnique<cc::SurfaceFactory>(manager, this); |
+ } |
+ surface_factory_->Create(surface_id); |
+} |
+ |
+void OffscreenCanvasSurfaceImpl::Require(const cc::SurfaceId& surface_id, |
+ const cc::SurfaceSequence& sequence) { |
+ cc::SurfaceManager* manager = GetSurfaceManager(); |
+ cc::Surface* surface = manager->GetSurfaceForId(surface_id); |
+ if (!surface) { |
+ DLOG(ERROR) << "Attempting to require callback on nonexistent surface"; |
+ return; |
+ } |
+ surface->AddDestructionDependency(sequence); |
+} |
+ |
+void OffscreenCanvasSurfaceImpl::Satisfy(const cc::SurfaceSequence& sequence) { |
+ std::vector<uint32_t> sequences; |
+ sequences.push_back(sequence.sequence); |
+ cc::SurfaceManager* manager = GetSurfaceManager(); |
+ manager->DidSatisfySequences(sequence.id_namespace, &sequences); |
+} |
+ |
+// TODO(619136): Implement cc::SurfaceFactoryClient functions for resources |
+// return. |
+void OffscreenCanvasSurfaceImpl::ReturnResources( |
+ const cc::ReturnedResourceArray& resources) {} |
+ |
+void OffscreenCanvasSurfaceImpl::WillDrawSurface(cc::SurfaceId id, |
+ const gfx::Rect& damage_rect) { |
+} |
+ |
+void OffscreenCanvasSurfaceImpl::SetBeginFrameSource( |
+ cc::BeginFrameSource* begin_frame_source) {} |
+ |
+} // namespace content |