WIP - compositor worker mega patch.

content/renderer/gpu/render_widget_compositor.cc

 // Copyright (c) 2013 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/renderer/gpu/render_widget_compositor.h"
 
 #include <limits>
 #include <string>
 
 #include "base/command_line.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/numerics/safe_conversions.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/synchronization/lock.h"
 #include "base/sys_info.h"
 #include "base/thread_task_runner_handle.h"
 #include "base/time/time.h"
 #include "base/values.h"
 #include "cc/animation/animation_host.h"
 #include "cc/animation/animation_timeline.h"
+#include "cc/animation/layer_tree_mutator.h"
 #include "cc/base/switches.h"
+#include "cc/blink/mutation_conversions.h"
 #include "cc/blink/web_compositor_animation_timeline_impl.h"
 #include "cc/blink/web_layer_impl.h"
+#include "cc/blink/web_mutator_client_impl.h"
 #include "cc/debug/layer_tree_debug_state.h"
 #include "cc/debug/micro_benchmark.h"
 #include "cc/input/layer_selection_bound.h"
 #include "cc/layers/layer.h"
 #include "cc/output/begin_frame_args.h"
 #include "cc/output/copy_output_request.h"
 #include "cc/output/copy_output_result.h"
 #include "cc/output/latency_info_swap_promise.h"
 #include "cc/output/swap_promise.h"
 #include "cc/proto/compositor_message.pb.h"
 #include "cc/resources/single_release_callback.h"
 #include "cc/scheduler/begin_frame_source.h"
 #include "cc/trees/latency_info_swap_promise_monitor.h"
 #include "cc/trees/layer_tree_host.h"
 #include "cc/trees/remote_proto_channel.h"
 #include "components/scheduler/renderer/renderer_scheduler.h"
 #include "content/common/content_switches_internal.h"
 #include "content/common/gpu/client/context_provider_command_buffer.h"
 #include "content/public/common/content_switches.h"
 #include "content/renderer/input/input_handler_manager.h"
 #include "gpu/command_buffer/client/gles2_interface.h"
 #include "gpu/command_buffer/service/gpu_switches.h"
 #include "third_party/WebKit/public/platform/WebCompositeAndReadbackAsyncCallback.h"
 #include "third_party/WebKit/public/platform/WebLayoutAndPaintAsyncCallback.h"
+#include "third_party/WebKit/public/platform/WebMutatorClient.h"
 #include "third_party/WebKit/public/platform/WebSize.h"
 #include "third_party/WebKit/public/web/WebKit.h"
 #include "third_party/WebKit/public/web/WebRuntimeFeatures.h"
 #include "third_party/WebKit/public/web/WebSelection.h"
 #include "third_party/WebKit/public/web/WebWidget.h"
 #include "ui/gl/gl_switches.h"
 #include "ui/native_theme/native_theme_switches.h"
 
 #if defined(OS_ANDROID)
 #include "base/android/build_info.h"
@@ skipping 765 matching lines @@
 }
 
 void RenderWidgetCompositor::setShowScrollBottleneckRects(bool show) {
   cc::LayerTreeDebugState debug_state = layer_tree_host_->debug_state();
   debug_state.show_touch_event_handler_rects = show;
   debug_state.show_wheel_event_handler_rects = show;
   debug_state.show_non_fast_scrollable_rects = show;
   layer_tree_host_->SetDebugState(debug_state);
 }
 
+void RenderWidgetCompositor::setMutatorClient(blink::WebMutatorClient* client) {
+  TRACE_EVENT0("compositor-worker", "RenderWidgetCompositor::setMutatorClient");
+  layer_tree_host_->SetLayerTreeMutator(
+      static_cast<cc_blink::WebMutatorClientImpl*>(client));
+}
+
 void RenderWidgetCompositor::updateTopControlsState(
     WebTopControlsState constraints,
     WebTopControlsState current,
     bool animate) {
   layer_tree_host_->UpdateTopControlsState(ConvertTopControlsState(constraints),
                                            ConvertTopControlsState(current),
                                            animate);
 }
 
 void RenderWidgetCompositor::setTopControlsHeight(float height, bool shrink) {
@@ skipping 43 matching lines @@
     float page_scale,
     float top_controls_delta) {
   widget_->webwidget()->applyViewportDeltas(
       inner_delta,
       outer_delta,
       elastic_overscroll_delta,
       page_scale,
       top_controls_delta);
 }
 
+void RenderWidgetCompositor::ApplyMutations(
+    const cc::LayerTreeMutationMap& mutations) {
+  TRACE_EVENT0("compositor-worker",
+               "RenderWidgetCompositor::ApplyMutations");
+  blink::WebMutationMap blink_mutations;
+  cc_blink::convertToBlinkMutations(mutations, &blink_mutations);
+  widget_->webwidget()->applyMutations(blink_mutations);
+}
+
 void RenderWidgetCompositor::RequestNewOutputSurface() {
   // If the host is closing, then no more compositing is possible.  This
   // prevents shutdown races between handling the close message and
   // the CreateOutputSurface task.
   if (widget_->host_closing())
     return;
 
   bool fallback =
       num_failed_recreate_attempts_ >= OUTPUT_SURFACE_RETRIES_BEFORE_FALLBACK;
   scoped_ptr<cc::OutputSurface> surface(widget_->CreateOutputSurface(fallback));
@@ skipping 25 matching lines @@
 }
 
 void RenderWidgetCompositor::WillCommit() {
   InvokeLayoutAndPaintCallback();
 }
 
 void RenderWidgetCompositor::DidCommit() {
   DCHECK(!temporary_copy_output_request_);
   widget_->DidCommitCompositorFrame();
   compositor_deps_->GetRendererScheduler()->DidCommitFrameToCompositor();
+  widget_->webwidget()->didCommit();
 }
 
 void RenderWidgetCompositor::DidCommitAndDrawFrame() {
   widget_->DidCommitAndDrawCompositorFrame();
 }
 
 void RenderWidgetCompositor::DidCompleteSwapBuffers() {
   widget_->DidCompleteSwapBuffers();
   bool threaded = !!compositor_deps_->GetCompositorImplThreadTaskRunner().get();
   if (!threaded)
@@ skipping 160 matching lines @@
 #endif
   return actual;
 }
 
 void RenderWidgetCompositor::SetPaintedDeviceScaleFactor(
     float device_scale) {
   layer_tree_host_->SetPaintedDeviceScaleFactor(device_scale);
 }
 
 }  // namespace content