src/content/browser/compositor/no_transport_image_transport_factory.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "content/browser/compositor/no_transport_image_transport_factory.h"
   6
   7 #include "cc/output/context_provider.h"
   8 #include "content/common/gpu/client/gl_helper.h"
   9 #include "gpu/command_buffer/client/gles2_interface.h"
  10 #include "ui/compositor/compositor.h"
  11
  12 namespace content {
  13
  14 NoTransportImageTransportFactory::NoTransportImageTransportFactory(
  15     scoped_ptr<ui::ContextFactory> context_factory)
  16     : context_factory_(context_factory.Pass()) {}
  17
  18 NoTransportImageTransportFactory::~NoTransportImageTransportFactory() {
  19   scoped_ptr<GLHelper> lost_gl_helper = gl_helper_.Pass();
  20   FOR_EACH_OBSERVER(ImageTransportFactoryObserver,
  21                     observer_list_,
  22                     OnLostResources());
  23 }
  24
  25 ui::ContextFactory* NoTransportImageTransportFactory::GetContextFactory() {
  26   return context_factory_.get();
  27 }
  28
  29 gfx::GLSurfaceHandle
  30 NoTransportImageTransportFactory::GetSharedSurfaceHandle() {
  31   return gfx::GLSurfaceHandle();
  32 }
  33
  34 GLHelper* NoTransportImageTransportFactory::GetGLHelper() {
  35   if (!gl_helper_) {
  36     context_provider_ = context_factory_->SharedMainThreadContextProvider();
  37     gl_helper_.reset(new GLHelper(context_provider_->ContextGL(),
  38                                   context_provider_->ContextSupport()));
  39   }
  40   return gl_helper_.get();
  41 }
  42
  43 void NoTransportImageTransportFactory::AddObserver(
  44     ImageTransportFactoryObserver* observer) {
  45   observer_list_.AddObserver(observer);
  46 }
  47
  48 void NoTransportImageTransportFactory::RemoveObserver(
  49     ImageTransportFactoryObserver* observer) {
  50   observer_list_.RemoveObserver(observer);
  51 }
  52
  53 }  // namespace content