3D Compositing in <browser>, first draft.

content/browser/renderer_host/render_widget_host_view_base.cc

 // Copyright (c) 2012 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/render_widget_host_view_base.h"
 
 #include "base/logging.h"
 #include "content/browser/accessibility/browser_accessibility_manager.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebScreenInfo.h"
@@ skipping 14 matching lines @@
     RenderWidgetHostView* rwhv) {
   return static_cast<RenderWidgetHostViewPort*>(rwhv);
 }
 
 // static
 RenderWidgetHostViewPort* RenderWidgetHostViewPort::CreateViewForWidget(
     content::RenderWidgetHost* widget) {
   return FromRWHV(RenderWidgetHostView::CreateViewForWidget(widget));
 }
 
-RenderWidgetHostViewBase::RenderWidgetHostViewBase()
+RenderWidgetHostViewBase::RenderWidgetHostViewBase(
+    scoped_ptr<CompositingDelegate> delegate)
     : popup_type_(WebKit::WebPopupTypeNone),
       mouse_locked_(false),
       showing_context_menu_(false),
       selection_text_offset_(0),
-      selection_range_(ui::Range::InvalidRange()) {
+      selection_range_(ui::Range::InvalidRange()),
+      compositing_delegate_(delegate.Pass()) {
 }
 
 RenderWidgetHostViewBase::~RenderWidgetHostViewBase() {
   DCHECK(!mouse_locked_);
 }
 
 void RenderWidgetHostViewBase::SetBackground(const SkBitmap& background) {
   background_ = background;
 }
 
@@ skipping 16 matching lines @@
 
 void RenderWidgetHostViewBase::SetShowingContextMenu(bool showing) {
   DCHECK_NE(showing_context_menu_, showing);
   showing_context_menu_ = showing;
 }
 
 bool RenderWidgetHostViewBase::IsMouseLocked() {
   return mouse_locked_;
 }
 
+gfx::GLSurfaceHandle RenderWidgetHostViewBase::GetCompositingSurface() {
+  return compositing_delegate_->GetCompositingSurface();
+} 
+
+bool RenderWidgetHostViewBase::ResizeNeedsNewSurface() {
+  return compositing_delegate_->ResizeNeedsNewSurface();
+}
+
+void RenderWidgetHostViewBase::AcceleratedSurfaceNew(int32 width_in_pixel, int32 height_in_pixel, uint64* surface_handle, TransportDIB::Handle* shm_handle) {
+  compositing_delegate_->AcceleratedSurfaceNew(width_in_pixel, height_in_pixel, surface_handle, shm_handle);
+}
+
+void RenderWidgetHostViewBase::AcceleratedSurfaceRelease(uint64 surface_handle) {
+  compositing_delegate_->AcceleratedSurfaceRelease(surface_handle);
+}
+
+void RenderWidgetHostViewBase::AcceleratedSurfacePostSubBuffer(const GpuHostMsg_AcceleratedSurfacePostSubBuffer_Params& params_in_pixel, int gpu_host_id) {
+  compositing_delegate_->AcceleratedSurfacePostSubBuffer(params_in_pixel, gpu_host_id);
+}
+
+void RenderWidgetHostViewBase::AcceleratedSurfaceBuffersSwapped(const GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params& params_in_pixel, int gpu_host_id) {
+  compositing_delegate_->AcceleratedSurfaceBuffersSwapped(params_in_pixel, gpu_host_id);
+}
+
 void RenderWidgetHostViewBase::UnhandledWheelEvent(
     const WebKit::WebMouseWheelEvent& event) {
   // Most implementations don't need to do anything here.
 }
 
 void RenderWidgetHostViewBase::SetPopupType(WebKit::WebPopupType popup_type) {
   popup_type_ = popup_type;
 }
 
 WebKit::WebPopupType RenderWidgetHostViewBase::GetPopupType() {
@@ skipping 18 matching lines @@
     return;
   current_display_area_ = display.bounds();
   current_device_scale_factor_ = display.device_scale_factor();
   if (GetRenderWidgetHost()) {
     RenderWidgetHostImpl* impl =
         RenderWidgetHostImpl::From(GetRenderWidgetHost());
     impl->NotifyScreenInfoChanged();
   }
 }
 
+void RenderWidgetHostViewBase::CompositingDelegate::AcceleratedSurfaceNew(int32 width_in_pixel, int32 height_in_pixel, uint64* surface_handle, TransportDIB::Handle* shm_handle) {
+  NOTIMPLEMENTED();
+}
+
+void RenderWidgetHostViewBase::CompositingDelegate::AcceleratedSurfaceRelease(uint64 surface_handle) {
+  NOTIMPLEMENTED();
+}
+
+RenderWidgetHostViewBase::CompositingDelegate::~CompositingDelegate() {
+}
+
 }  // namespace content