Revert "Getting rid of DelegatedFrameData"

services/ui/surfaces/display_compositor_frame_sink.cc

+// 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 "services/ui/surfaces/display_compositor_frame_sink.h"
+
+#include "cc/output/copy_output_request.h"
+#include "cc/output/output_surface.h"
+#include "cc/output/renderer_settings.h"
+#include "cc/output/texture_mailbox_deleter.h"
+#include "cc/scheduler/begin_frame_source.h"
+#include "cc/scheduler/delay_based_time_source.h"
+#include "cc/surfaces/display.h"
+#include "cc/surfaces/display_scheduler.h"
+#include "cc/surfaces/frame_sink_id.h"
+#include "gpu/ipc/client/gpu_channel_host.h"
+#include "services/ui/surfaces/direct_output_surface.h"
+#include "services/ui/surfaces/surfaces_context_provider.h"
+
+#if defined(USE_OZONE)
+#include "gpu/command_buffer/client/gles2_interface.h"
+#include "services/ui/surfaces/direct_output_surface_ozone.h"
+#endif
+
+namespace ui {
+
+DisplayCompositorFrameSink::DisplayCompositorFrameSink(
+    const cc::FrameSinkId& frame_sink_id,
+    scoped_refptr<base::SingleThreadTaskRunner> task_runner,
+    gfx::AcceleratedWidget widget,
+    scoped_refptr<gpu::GpuChannelHost> gpu_channel,
+    const scoped_refptr<DisplayCompositor>& display_compositor)
+    : frame_sink_id_(frame_sink_id),
+      task_runner_(task_runner),
+      display_compositor_(display_compositor),
+      factory_(frame_sink_id_, display_compositor->manager(), this) {
+  display_compositor_->manager()->RegisterFrameSinkId(frame_sink_id_);
+  display_compositor_->manager()->RegisterSurfaceFactoryClient(frame_sink_id_,
+                                                               this);
+
+  gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager =
+      gpu_channel->gpu_memory_buffer_manager();
+  scoped_refptr<SurfacesContextProvider> surfaces_context_provider(
+      new SurfacesContextProvider(widget, std::move(gpu_channel)));
+  // TODO(rjkroege): If there is something better to do than CHECK, add it.
+  CHECK(surfaces_context_provider->BindToCurrentThread());
+
+  std::unique_ptr<cc::SyntheticBeginFrameSource> synthetic_begin_frame_source(
+      new cc::DelayBasedBeginFrameSource(
+          base::MakeUnique<cc::DelayBasedTimeSource>(task_runner_.get())));
+
+  std::unique_ptr<cc::OutputSurface> display_output_surface;
+  if (surfaces_context_provider->ContextCapabilities().surfaceless) {
+#if defined(USE_OZONE)
+    display_output_surface = base::MakeUnique<DirectOutputSurfaceOzone>(
+        surfaces_context_provider, widget, synthetic_begin_frame_source.get(),
+        gpu_memory_buffer_manager, GL_TEXTURE_2D, GL_RGB);
+#else
+    NOTREACHED();
+#endif
+  } else {
+    display_output_surface = base::MakeUnique<DirectOutputSurface>(
+        surfaces_context_provider, synthetic_begin_frame_source.get());
+  }
+
+  int max_frames_pending =
+      display_output_surface->capabilities().max_frames_pending;
+  DCHECK_GT(max_frames_pending, 0);
+
+  std::unique_ptr<cc::DisplayScheduler> scheduler(
+      new cc::DisplayScheduler(synthetic_begin_frame_source.get(),
+                               task_runner_.get(), max_frames_pending));
+
+  display_.reset(new cc::Display(
+      nullptr /* bitmap_manager */, gpu_memory_buffer_manager,
+      cc::RendererSettings(), std::move(synthetic_begin_frame_source),
+      std::move(display_output_surface), std::move(scheduler),
+      base::MakeUnique<cc::TextureMailboxDeleter>(task_runner_.get())));
+  display_->Initialize(this, display_compositor_->manager(), frame_sink_id_);
+  display_->SetVisible(true);
+}
+
+DisplayCompositorFrameSink::~DisplayCompositorFrameSink() {
+  display_compositor_->manager()->UnregisterSurfaceFactoryClient(
+      frame_sink_id_);
+  display_compositor_->manager()->InvalidateFrameSinkId(frame_sink_id_);
+}
+
+void DisplayCompositorFrameSink::SubmitCompositorFrame(
+    cc::CompositorFrame frame,
+    const base::Callback<void()>& callback) {
+  gfx::Size frame_size =
+      frame.delegated_frame_data->render_pass_list.back()->output_rect.size();
+  if (frame_size.IsEmpty() || frame_size != display_size_) {
+    if (!local_frame_id_.is_null())
+      factory_.Destroy(local_frame_id_);
+    local_frame_id_ = allocator_.GenerateId();
+    factory_.Create(local_frame_id_);
+    display_size_ = frame_size;
+    display_->Resize(display_size_);
+  }
+  display_->SetSurfaceId(cc::SurfaceId(frame_sink_id_, local_frame_id_),
+                         frame.metadata.device_scale_factor);
+  factory_.SubmitCompositorFrame(local_frame_id_, std::move(frame), callback);
+}
+
+void DisplayCompositorFrameSink::ReturnResources(
+    const cc::ReturnedResourceArray& resources) {
+  // TODO(fsamuel): Implement this.
+}
+
+void DisplayCompositorFrameSink::SetBeginFrameSource(
+    cc::BeginFrameSource* begin_frame_source) {
+  // TODO(fsamuel): Implement this.
+}
+
+void DisplayCompositorFrameSink::DisplayOutputSurfaceLost() {
+  // TODO(fsamuel): This looks like it would crash if a frame was in flight and
+  // will be submitted.
+  display_.reset();
+}
+
+void DisplayCompositorFrameSink::DisplayWillDrawAndSwap(
+    bool will_draw_and_swap,
+    const cc::RenderPassList& render_passes) {
+  // This notification is not relevant to our client outside of tests.
+}
+
+void DisplayCompositorFrameSink::DisplayDidDrawAndSwap() {
+  // This notification is not relevant to our client outside of tests. We
+  // unblock the client from the DrawCallback when the surface is going to
+  // be drawn.
+}
+
+}  // namespace ui