src/content/browser/compositor/gpu_process_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/gpu_process_transport_factory.h"
   6
   7 #include <string>
   8
   9 #include "base/bind.h"
  10 #include "base/command_line.h"
  11 #include "base/location.h"
  12 #include "base/message_loop/message_loop.h"
  13 #include "base/metrics/histogram.h"
  14 #include "base/threading/thread.h"
  15 #include "cc/output/compositor_frame.h"
  16 #include "cc/output/output_surface.h"
  17 #include "cc/surfaces/surface_manager.h"
  18 #include "content/browser/compositor/browser_compositor_output_surface.h"
  19 #include "content/browser/compositor/browser_compositor_output_surface_proxy.h"
  20 #include "content/browser/compositor/gpu_browser_compositor_output_surface.h"
  21 #include "content/browser/compositor/gpu_surfaceless_browser_compositor_output_surface.h"
  22 #include "content/browser/compositor/onscreen_display_client.h"
  23 #include "content/browser/compositor/reflector_impl.h"
  24 #include "content/browser/compositor/software_browser_compositor_output_surface.h"
  25 #include "content/browser/compositor/surface_display_output_surface.h"
  26 #include "content/browser/gpu/browser_gpu_channel_host_factory.h"
  27 #include "content/browser/gpu/browser_gpu_memory_buffer_manager.h"
  28 #include "content/browser/gpu/compositor_util.h"
  29 #include "content/browser/gpu/gpu_data_manager_impl.h"
  30 #include "content/browser/gpu/gpu_surface_tracker.h"
  31 #include "content/browser/renderer_host/render_widget_host_impl.h"
  32 #include "content/common/gpu/client/context_provider_command_buffer.h"
  33 #include "content/common/gpu/client/gl_helper.h"
  34 #include "content/common/gpu/client/gpu_channel_host.h"
  35 #include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
  36 #include "content/common/gpu/gpu_process_launch_causes.h"
  37 #include "content/common/host_shared_bitmap_manager.h"
  38 #include "content/public/common/content_switches.h"
  39 #include "gpu/GLES2/gl2extchromium.h"
  40 #include "gpu/command_buffer/client/gles2_interface.h"
  41 #include "gpu/command_buffer/common/mailbox.h"
  42 #include "third_party/khronos/GLES2/gl2.h"
  43 #include "ui/compositor/compositor.h"
  44 #include "ui/compositor/compositor_constants.h"
  45 #include "ui/compositor/compositor_switches.h"
  46 #include "ui/gfx/native_widget_types.h"
  47 #include "ui/gfx/size.h"
  48
  49 #if defined(OS_WIN)
  50 #include "content/browser/compositor/software_output_device_win.h"
  51 #elif defined(USE_OZONE)
  52 #include "content/browser/compositor/overlay_candidate_validator_ozone.h"
  53 #include "content/browser/compositor/software_output_device_ozone.h"
  54 #include "ui/ozone/public/surface_factory_ozone.h"
  55 #elif defined(USE_X11)
  56 #include "content/browser/compositor/software_output_device_x11.h"
  57 #elif defined(OS_MACOSX)
  58 #include "content/browser/compositor/software_output_device_mac.h"
  59 #endif
  60
  61 using cc::ContextProvider;
  62 using gpu::gles2::GLES2Interface;
  63
  64 namespace content {
  65
  66 struct GpuProcessTransportFactory::PerCompositorData {
  67   int surface_id;
  68   scoped_refptr<ReflectorImpl> reflector;
  69   scoped_ptr<OnscreenDisplayClient> display_client;
  70 };
  71
  72 GpuProcessTransportFactory::GpuProcessTransportFactory()
  73     : next_surface_id_namespace_(1u),
  74       callback_factory_(this) {
  75   output_surface_proxy_ = new BrowserCompositorOutputSurfaceProxy(
  76       &output_surface_map_);
  77 #if defined(OS_CHROMEOS)
  78   bool use_thread = !base::CommandLine::ForCurrentProcess()->HasSwitch(
  79       switches::kUIDisableThreadedCompositing);
  80 #else
  81   bool use_thread = false;
  82 #endif
  83   if (use_thread) {
  84     compositor_thread_.reset(new base::Thread("Browser Compositor"));
  85     compositor_thread_->Start();
  86   }
  87   if (UseSurfacesEnabled())
  88     surface_manager_ = make_scoped_ptr(new cc::SurfaceManager);
  89 }
  90
  91 GpuProcessTransportFactory::~GpuProcessTransportFactory() {
  92   DCHECK(per_compositor_data_.empty());
  93
  94   // Make sure the lost context callback doesn't try to run during destruction.
  95   callback_factory_.InvalidateWeakPtrs();
  96 }
  97
  98 scoped_ptr<WebGraphicsContext3DCommandBufferImpl>
  99 GpuProcessTransportFactory::CreateOffscreenCommandBufferContext() {
 100   CauseForGpuLaunch cause =
 101       CAUSE_FOR_GPU_LAUNCH_WEBGRAPHICSCONTEXT3DCOMMANDBUFFERIMPL_INITIALIZE;
 102   scoped_refptr<GpuChannelHost> gpu_channel_host(
 103       BrowserGpuChannelHostFactory::instance()->EstablishGpuChannelSync(cause));
 104   return CreateContextCommon(gpu_channel_host, 0);
 105 }
 106
 107 scoped_ptr<cc::SoftwareOutputDevice> CreateSoftwareOutputDevice(
 108     ui::Compositor* compositor) {
 109 #if defined(OS_WIN)
 110   return scoped_ptr<cc::SoftwareOutputDevice>(new SoftwareOutputDeviceWin(
 111       compositor));
 112 #elif defined(USE_OZONE)
 113   return scoped_ptr<cc::SoftwareOutputDevice>(new SoftwareOutputDeviceOzone(
 114       compositor));
 115 #elif defined(USE_X11)
 116   return scoped_ptr<cc::SoftwareOutputDevice>(new SoftwareOutputDeviceX11(
 117       compositor));
 118 #elif defined(OS_MACOSX)
 119   return scoped_ptr<cc::SoftwareOutputDevice>(
 120       new SoftwareOutputDeviceMac(compositor));
 121 #else
 122   NOTREACHED();
 123   return scoped_ptr<cc::SoftwareOutputDevice>();
 124 #endif
 125 }
 126
 127 scoped_ptr<cc::OverlayCandidateValidator> CreateOverlayCandidateValidator(
 128     gfx::AcceleratedWidget widget) {
 129 #if defined(USE_OZONE)
 130   ui::OverlayCandidatesOzone* overlay_candidates =
 131       ui::SurfaceFactoryOzone::GetInstance()->GetOverlayCandidates(widget);
 132   if (overlay_candidates &&
 133       base::CommandLine::ForCurrentProcess()->HasSwitch(
 134           switches::kEnableHardwareOverlays)) {
 135     return scoped_ptr<cc::OverlayCandidateValidator>(
 136         new OverlayCandidateValidatorOzone(widget, overlay_candidates));
 137   }
 138 #endif
 139   return scoped_ptr<cc::OverlayCandidateValidator>();
 140 }
 141
 142 void GpuProcessTransportFactory::CreateOutputSurface(
 143     base::WeakPtr<ui::Compositor> compositor,
 144     bool software_fallback) {
 145   DCHECK(!!compositor);
 146   PerCompositorData* data = per_compositor_data_[compositor.get()];
 147   if (!data)
 148     data = CreatePerCompositorData(compositor.get());
 149
 150   bool create_software_renderer = software_fallback;
 151 #if defined(OS_CHROMEOS)
 152   // Software fallback does not happen on Chrome OS.
 153   create_software_renderer = false;
 154 #elif defined(OS_WIN)
 155   if (::GetProp(compositor->widget(), kForceSoftwareCompositor)) {
 156     if (::RemoveProp(compositor->widget(), kForceSoftwareCompositor))
 157       create_software_renderer = true;
 158   }
 159 #endif
 160   if (!GpuDataManagerImpl::GetInstance()->CanUseGpuBrowserCompositor())
 161     create_software_renderer = true;
 162
 163   if (!create_software_renderer) {
 164     CauseForGpuLaunch cause =
 165         CAUSE_FOR_GPU_LAUNCH_WEBGRAPHICSCONTEXT3DCOMMANDBUFFERIMPL_INITIALIZE;
 166     BrowserGpuChannelHostFactory::instance()->EstablishGpuChannel(
 167         cause,
 168         base::Bind(&GpuProcessTransportFactory::EstablishedGpuChannel,
 169                    callback_factory_.GetWeakPtr(),
 170                    compositor,
 171                    create_software_renderer));
 172   } else {
 173     EstablishedGpuChannel(compositor, create_software_renderer);
 174   }
 175 }
 176
 177 void GpuProcessTransportFactory::EstablishedGpuChannel(
 178     base::WeakPtr<ui::Compositor> compositor,
 179     bool create_software_renderer) {
 180   if (!compositor)
 181     return;
 182   PerCompositorData* data = per_compositor_data_[compositor.get()];
 183   DCHECK(data);
 184   scoped_refptr<GpuChannelHost> gpu_channel_host =
 185       BrowserGpuChannelHostFactory::instance()->GetGpuChannel();
 186   scoped_refptr<ContextProviderCommandBuffer> context_provider;
 187   if (gpu_channel_host.get() && !create_software_renderer) {
 188     context_provider = ContextProviderCommandBuffer::Create(
 189         GpuProcessTransportFactory::CreateContextCommon(gpu_channel_host,
 190                                                         data->surface_id),
 191         "Compositor");
 192   }
 193
 194   UMA_HISTOGRAM_BOOLEAN("Aura.CreatedGpuBrowserCompositor",
 195                         !!context_provider.get());
 196
 197   if (context_provider.get()) {
 198     scoped_refptr<base::SingleThreadTaskRunner> compositor_thread_task_runner =
 199         GetCompositorMessageLoop();
 200     if (!compositor_thread_task_runner.get())
 201       compositor_thread_task_runner = base::MessageLoopProxy::current();
 202
 203     // Here we know the GpuProcessHost has been set up, because we created a
 204     // context.
 205     output_surface_proxy_->ConnectToGpuProcessHost(
 206         compositor_thread_task_runner.get());
 207   }
 208
 209   if (UseSurfacesEnabled()) {
 210     // This gets a bit confusing. Here we have a ContextProvider configured to
 211     // render directly to this widget. We need to make an OnscreenDisplayClient
 212     // associated with this context, then return a SurfaceDisplayOutputSurface
 213     // set up to draw to the display's surface.
 214     cc::SurfaceManager* manager = surface_manager_.get();
 215     scoped_ptr<cc::OutputSurface> display_surface;
 216     if (!context_provider.get()) {
 217       display_surface =
 218           make_scoped_ptr(new SoftwareBrowserCompositorOutputSurface(
 219               output_surface_proxy_,
 220               CreateSoftwareOutputDevice(compositor.get()),
 221               data->surface_id,
 222               &output_surface_map_,
 223               compositor->vsync_manager()));
 224     } else {
 225       display_surface = make_scoped_ptr(new GpuBrowserCompositorOutputSurface(
 226           context_provider,
 227           data->surface_id,
 228           &output_surface_map_,
 229           compositor->vsync_manager(),
 230           CreateOverlayCandidateValidator(compositor->widget())));
 231     }
 232     scoped_ptr<OnscreenDisplayClient> display_client(new OnscreenDisplayClient(
 233         display_surface.Pass(), manager, compositor->task_runner()));
 234
 235     scoped_ptr<SurfaceDisplayOutputSurface> output_surface(
 236         new SurfaceDisplayOutputSurface(
 237             manager, compositor->surface_id_allocator(), context_provider));
 238     display_client->set_surface_output_surface(output_surface.get());
 239     output_surface->set_display_client(display_client.get());
 240     data->display_client = display_client.Pass();
 241     compositor->SetOutputSurface(output_surface.Pass());
 242     return;
 243   }
 244
 245   if (!context_provider.get()) {
 246     if (compositor_thread_.get()) {
 247       LOG(FATAL) << "Failed to create UI context, but can't use software"
 248                  " compositing with browser threaded compositing. Aborting.";
 249     }
 250
 251     scoped_ptr<SoftwareBrowserCompositorOutputSurface> surface(
 252         new SoftwareBrowserCompositorOutputSurface(
 253             output_surface_proxy_,
 254             CreateSoftwareOutputDevice(compositor.get()),
 255             data->surface_id,
 256             &output_surface_map_,
 257             compositor->vsync_manager()));
 258     compositor->SetOutputSurface(surface.Pass());
 259     return;
 260   }
 261
 262   scoped_ptr<BrowserCompositorOutputSurface> surface;
 263 #if defined(USE_OZONE)
 264   if (ui::SurfaceFactoryOzone::GetInstance()->CanShowPrimaryPlaneAsOverlay()) {
 265     surface.reset(new GpuSurfacelessBrowserCompositorOutputSurface(
 266         context_provider,
 267         data->surface_id,
 268         &output_surface_map_,
 269         compositor->vsync_manager(),
 270         CreateOverlayCandidateValidator(compositor->widget()),
 271         GL_RGB,
 272         compositor_thread_ != nullptr));
 273   }
 274 #endif
 275   if (!surface)
 276     surface.reset(new GpuBrowserCompositorOutputSurface(
 277         context_provider,
 278         data->surface_id,
 279         &output_surface_map_,
 280         compositor->vsync_manager(),
 281         CreateOverlayCandidateValidator(compositor->widget())));
 282
 283   if (data->reflector.get())
 284     data->reflector->ReattachToOutputSurfaceFromMainThread(surface.get());
 285
 286   compositor->SetOutputSurface(surface.Pass());
 287 }
 288
 289 scoped_refptr<ui::Reflector> GpuProcessTransportFactory::CreateReflector(
 290     ui::Compositor* source,
 291     ui::Layer* target) {
 292   PerCompositorData* data = per_compositor_data_[source];
 293   DCHECK(data);
 294
 295   data->reflector = new ReflectorImpl(source,
 296                                       target,
 297                                       &output_surface_map_,
 298                                       GetCompositorMessageLoop(),
 299                                       data->surface_id);
 300   return data->reflector;
 301 }
 302
 303 void GpuProcessTransportFactory::RemoveReflector(
 304     scoped_refptr<ui::Reflector> reflector) {
 305   ReflectorImpl* reflector_impl =
 306       static_cast<ReflectorImpl*>(reflector.get());
 307   PerCompositorData* data =
 308       per_compositor_data_[reflector_impl->mirrored_compositor()];
 309   DCHECK(data);
 310   data->reflector->Shutdown();
 311   data->reflector = NULL;
 312 }
 313
 314 void GpuProcessTransportFactory::RemoveCompositor(ui::Compositor* compositor) {
 315   PerCompositorDataMap::iterator it = per_compositor_data_.find(compositor);
 316   if (it == per_compositor_data_.end())
 317     return;
 318   PerCompositorData* data = it->second;
 319   DCHECK(data);
 320   GpuSurfaceTracker::Get()->RemoveSurface(data->surface_id);
 321   delete data;
 322   per_compositor_data_.erase(it);
 323   if (per_compositor_data_.empty()) {
 324     // Destroying the GLHelper may cause some async actions to be cancelled,
 325     // causing things to request a new GLHelper. Due to crbug.com/176091 the
 326     // GLHelper created in this case would be lost/leaked if we just reset()
 327     // on the |gl_helper_| variable directly. So instead we call reset() on a
 328     // local scoped_ptr.
 329     scoped_ptr<GLHelper> helper = gl_helper_.Pass();
 330
 331     // If there are any observer left at this point, make sure they clean up
 332     // before we destroy the GLHelper.
 333     FOR_EACH_OBSERVER(
 334         ImageTransportFactoryObserver, observer_list_, OnLostResources());
 335
 336     helper.reset();
 337     DCHECK(!gl_helper_) << "Destroying the GLHelper should not cause a new "
 338                            "GLHelper to be created.";
 339   }
 340 }
 341
 342 bool GpuProcessTransportFactory::DoesCreateTestContexts() { return false; }
 343
 344 cc::SharedBitmapManager* GpuProcessTransportFactory::GetSharedBitmapManager() {
 345   return HostSharedBitmapManager::current();
 346 }
 347
 348 gpu::GpuMemoryBufferManager*
 349 GpuProcessTransportFactory::GetGpuMemoryBufferManager() {
 350   return BrowserGpuMemoryBufferManager::current();
 351 }
 352
 353 ui::ContextFactory* GpuProcessTransportFactory::GetContextFactory() {
 354   return this;
 355 }
 356
 357 base::MessageLoopProxy* GpuProcessTransportFactory::GetCompositorMessageLoop() {
 358   if (!compositor_thread_)
 359     return NULL;
 360   return compositor_thread_->message_loop_proxy().get();
 361 }
 362
 363 gfx::GLSurfaceHandle GpuProcessTransportFactory::GetSharedSurfaceHandle() {
 364   gfx::GLSurfaceHandle handle = gfx::GLSurfaceHandle(
 365       gfx::kNullPluginWindow, gfx::NULL_TRANSPORT);
 366   handle.parent_client_id =
 367       BrowserGpuChannelHostFactory::instance()->GetGpuChannelId();
 368   return handle;
 369 }
 370
 371 scoped_ptr<cc::SurfaceIdAllocator>
 372 GpuProcessTransportFactory::CreateSurfaceIdAllocator() {
 373   return make_scoped_ptr(
 374       new cc::SurfaceIdAllocator(next_surface_id_namespace_++));
 375 }
 376
 377 cc::SurfaceManager* GpuProcessTransportFactory::GetSurfaceManager() {
 378   return surface_manager_.get();
 379 }
 380
 381 GLHelper* GpuProcessTransportFactory::GetGLHelper() {
 382   if (!gl_helper_ && !per_compositor_data_.empty()) {
 383     scoped_refptr<cc::ContextProvider> provider =
 384         SharedMainThreadContextProvider();
 385     if (provider.get())
 386       gl_helper_.reset(new GLHelper(provider->ContextGL(),
 387                                     provider->ContextSupport()));
 388   }
 389   return gl_helper_.get();
 390 }
 391
 392 void GpuProcessTransportFactory::AddObserver(
 393     ImageTransportFactoryObserver* observer) {
 394   observer_list_.AddObserver(observer);
 395 }
 396
 397 void GpuProcessTransportFactory::RemoveObserver(
 398     ImageTransportFactoryObserver* observer) {
 399   observer_list_.RemoveObserver(observer);
 400 }
 401
 402 #if defined(OS_MACOSX)
 403 void GpuProcessTransportFactory::OnSurfaceDisplayed(int surface_id) {
 404   BrowserCompositorOutputSurface* surface = output_surface_map_.Lookup(
 405       surface_id);
 406   if (surface)
 407     surface->OnSurfaceDisplayed();
 408 }
 409 #endif
 410
 411 scoped_refptr<cc::ContextProvider>
 412 GpuProcessTransportFactory::SharedMainThreadContextProvider() {
 413   if (shared_main_thread_contexts_.get())
 414     return shared_main_thread_contexts_;
 415
 416   // In threaded compositing mode, we have to create our own context for the
 417   // main thread since the compositor's context will be bound to the
 418   // compositor thread. When not in threaded mode, we still need a separate
 419   // context so that skia and gl_helper don't step on each other.
 420   shared_main_thread_contexts_ = ContextProviderCommandBuffer::Create(
 421       GpuProcessTransportFactory::CreateOffscreenCommandBufferContext(),
 422       "Offscreen-MainThread");
 423
 424   if (shared_main_thread_contexts_.get()) {
 425     shared_main_thread_contexts_->SetLostContextCallback(
 426         base::Bind(&GpuProcessTransportFactory::
 427                         OnLostMainThreadSharedContextInsideCallback,
 428                    callback_factory_.GetWeakPtr()));
 429     if (!shared_main_thread_contexts_->BindToCurrentThread())
 430       shared_main_thread_contexts_ = NULL;
 431   }
 432   return shared_main_thread_contexts_;
 433 }
 434
 435 GpuProcessTransportFactory::PerCompositorData*
 436 GpuProcessTransportFactory::CreatePerCompositorData(
 437     ui::Compositor* compositor) {
 438   DCHECK(!per_compositor_data_[compositor]);
 439
 440   gfx::AcceleratedWidget widget = compositor->widget();
 441   GpuSurfaceTracker* tracker = GpuSurfaceTracker::Get();
 442
 443   PerCompositorData* data = new PerCompositorData;
 444   data->surface_id = tracker->AddSurfaceForNativeWidget(widget);
 445   tracker->SetSurfaceHandle(
 446       data->surface_id,
 447       gfx::GLSurfaceHandle(widget, gfx::NATIVE_DIRECT));
 448
 449   per_compositor_data_[compositor] = data;
 450
 451   return data;
 452 }
 453
 454 scoped_ptr<WebGraphicsContext3DCommandBufferImpl>
 455 GpuProcessTransportFactory::CreateContextCommon(
 456     scoped_refptr<GpuChannelHost> gpu_channel_host,
 457     int surface_id) {
 458   if (!GpuDataManagerImpl::GetInstance()->CanUseGpuBrowserCompositor())
 459     return scoped_ptr<WebGraphicsContext3DCommandBufferImpl>();
 460   blink::WebGraphicsContext3D::Attributes attrs;
 461   attrs.shareResources = true;
 462   attrs.depth = false;
 463   attrs.stencil = false;
 464   attrs.antialias = false;
 465   attrs.noAutomaticFlushes = true;
 466   bool lose_context_when_out_of_memory = true;
 467   if (!gpu_channel_host.get()) {
 468     LOG(ERROR) << "Failed to establish GPU channel.";
 469     return scoped_ptr<WebGraphicsContext3DCommandBufferImpl>();
 470   }
 471   GURL url("chrome://gpu/GpuProcessTransportFactory::CreateContextCommon");
 472   scoped_ptr<WebGraphicsContext3DCommandBufferImpl> context(
 473       new WebGraphicsContext3DCommandBufferImpl(
 474           surface_id,
 475           url,
 476           gpu_channel_host.get(),
 477           attrs,
 478           lose_context_when_out_of_memory,
 479           WebGraphicsContext3DCommandBufferImpl::SharedMemoryLimits(),
 480           NULL));
 481   return context.Pass();
 482 }
 483
 484 void GpuProcessTransportFactory::OnLostMainThreadSharedContextInsideCallback() {
 485   base::MessageLoop::current()->PostTask(
 486       FROM_HERE,
 487       base::Bind(&GpuProcessTransportFactory::OnLostMainThreadSharedContext,
 488                  callback_factory_.GetWeakPtr()));
 489 }
 490
 491 void GpuProcessTransportFactory::OnLostMainThreadSharedContext() {
 492   LOG(ERROR) << "Lost UI shared context.";
 493
 494   // Keep old resources around while we call the observers, but ensure that
 495   // new resources are created if needed.
 496   // Kill shared contexts for both threads in tandem so they are always in
 497   // the same share group.
 498   scoped_refptr<cc::ContextProvider> lost_shared_main_thread_contexts =
 499       shared_main_thread_contexts_;
 500   shared_main_thread_contexts_  = NULL;
 501
 502   scoped_ptr<GLHelper> lost_gl_helper = gl_helper_.Pass();
 503
 504   FOR_EACH_OBSERVER(ImageTransportFactoryObserver,
 505                     observer_list_,
 506                     OnLostResources());
 507
 508   // Kill things that use the shared context before killing the shared context.
 509   lost_gl_helper.reset();
 510   lost_shared_main_thread_contexts  = NULL;
 511 }
 512
 513 }  // namespace content