Revert 106606 - Use WebKit compositor in ui::Layer

ui/gfx/compositor/compositor_cc.cc

-// Copyright (c) 2011 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 "ui/gfx/compositor/compositor_cc.h"
-
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebCompositor.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebFloatPoint.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebSize.h"
-#include "ui/gfx/compositor/layer.h"
-#include "webkit/glue/webthread_impl.h"
-#include "webkit/gpu/webgraphicscontext3d_in_process_impl.h"
-
-namespace {
-webkit_glue::WebThreadImpl* g_compositor_thread = NULL;
-}  // anonymous namespace
-
-namespace ui {
-
-TextureCC::TextureCC() {
-}
-
-void TextureCC::SetCanvas(const SkCanvas& canvas,
-                          const gfx::Point& origin,
-                          const gfx::Size& overall_size) {
-}
-
-void TextureCC::Draw(const ui::TextureDrawParams& params,
-                     const gfx::Rect& clip_bounds_in_texture) {
-}
-
-CompositorCC::CompositorCC(CompositorDelegate* delegate,
-                           gfx::AcceleratedWidget widget,
-                           const gfx::Size& size)
-    : Compositor(delegate, size),
-      widget_(widget),
-      root_web_layer_(WebKit::WebLayer::create(this)) {
-  WebKit::WebLayerTreeView::Settings settings;
-  settings.enableCompositorThread = !!g_compositor_thread;
-  host_ = WebKit::WebLayerTreeView::create(this, root_web_layer_, settings);
-  root_web_layer_.setAnchorPoint(WebKit::WebFloatPoint(0.f, 0.f));
-  OnWidgetSizeChanged();
-}
-
-CompositorCC::~CompositorCC() {
-}
-
-void CompositorCC::InitializeThread() {
-  g_compositor_thread = new webkit_glue::WebThreadImpl("Browser Compositor");
-  WebKit::WebCompositor::setThread(g_compositor_thread);
-}
-
-void CompositorCC::TerminateThread() {
-  DCHECK(g_compositor_thread);
-  delete g_compositor_thread;
-  g_compositor_thread = NULL;
-}
-
-Texture* CompositorCC::CreateTexture() {
-  return new TextureCC();
-}
-
-void CompositorCC::Blur(const gfx::Rect& bounds) {
-  NOTIMPLEMENTED();
-}
-
-void CompositorCC::ScheduleDraw() {
-  if (g_compositor_thread)
-    host_.composite();
-  else
-    Compositor::ScheduleDraw();
-}
-
-void CompositorCC::OnNotifyStart(bool clear) {
-}
-
-void CompositorCC::OnNotifyEnd() {
-}
-
-void CompositorCC::OnWidgetSizeChanged() {
-  host_.setViewportSize(size());
-  root_web_layer_.setBounds(size());
-}
-
-void CompositorCC::OnRootLayerChanged() {
-  root_web_layer_.removeAllChildren();
-  root_web_layer_.addChild(root_layer()->web_layer());
-}
-
-void CompositorCC::DrawTree() {
-  host_.composite();
-}
-
-void CompositorCC::animateAndLayout(double frameBeginTime) {
-}
-
-void CompositorCC::applyScrollDelta(const WebKit::WebSize&) {
-}
-
-WebKit::WebGraphicsContext3D* CompositorCC::createContext3D() {
-  WebKit::WebGraphicsContext3D* context =
-      new webkit::gpu::WebGraphicsContext3DInProcessImpl(widget_, NULL);
-  WebKit::WebGraphicsContext3D::Attributes attrs;
-  context->initialize(attrs, 0, true);
-  return context;
-}
-
-void CompositorCC::didRebindGraphicsContext(bool success) {
-}
-
-void CompositorCC::scheduleComposite() {
-  ScheduleDraw();
-}
-
-void CompositorCC::notifyNeedsComposite() {
-  ScheduleDraw();
-}
-
-Compositor* Compositor::Create(CompositorDelegate* owner,
-                               gfx::AcceleratedWidget widget,
-                               const gfx::Size& size) {
-  return new CompositorCC(owner, widget, size);
-}
-
-}  // namespace ui