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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "content/renderer/gpu/render_widget_compositor.h" | 5 #include "content/renderer/gpu/render_widget_compositor.h" |
6 | 6 |
7 #include <limits> | 7 #include <limits> |
8 | 8 |
9 #include "base/command_line.h" | 9 #include "base/command_line.h" |
10 #include "base/logging.h" | 10 #include "base/logging.h" |
11 #include "base/string_number_conversions.h" | 11 #include "base/string_number_conversions.h" |
12 #include "base/synchronization/lock.h" | 12 #include "base/synchronization/lock.h" |
13 #include "base/time.h" | 13 #include "base/time.h" |
14 #include "cc/context_provider.h" | 14 #include "cc/context_provider.h" |
15 #include "cc/layer.h" | 15 #include "cc/layer.h" |
16 #include "cc/layer_tree_debug_state.h" | 16 #include "cc/layer_tree_debug_state.h" |
17 #include "cc/layer_tree_host.h" | 17 #include "cc/layer_tree_host.h" |
18 #include "cc/switches.h" | 18 #include "cc/switches.h" |
19 #include "cc/thread_impl.h" | 19 #include "cc/thread_impl.h" |
20 #include "content/public/common/content_switches.h" | 20 #include "content/public/common/content_switches.h" |
21 #include "content/renderer/gpu/compositor_thread.h" | 21 #include "content/renderer/gpu/compositor_thread.h" |
22 #include "content/renderer/render_thread_impl.h" | 22 #include "content/renderer/render_thread_impl.h" |
23 #include "third_party/WebKit/Source/Platform/chromium/public/WebLayerTreeViewCli
ent.h" | 23 #include "third_party/WebKit/Source/Platform/chromium/public/WebLayerTreeViewCli
ent.h" |
24 #include "third_party/WebKit/Source/Platform/chromium/public/WebSharedGraphicsCo
ntext3D.h" | |
25 #include "third_party/WebKit/Source/Platform/chromium/public/WebSize.h" | 24 #include "third_party/WebKit/Source/Platform/chromium/public/WebSize.h" |
26 #include "ui/gl/gl_switches.h" | 25 #include "ui/gl/gl_switches.h" |
27 #include "webkit/compositor_bindings/web_layer_impl.h" | 26 #include "webkit/compositor_bindings/web_layer_impl.h" |
28 #include "webkit/compositor_bindings/web_to_ccinput_handler_adapter.h" | 27 #include "webkit/compositor_bindings/web_to_ccinput_handler_adapter.h" |
29 | 28 |
30 namespace cc { | 29 namespace cc { |
31 class Layer; | 30 class Layer; |
32 } | 31 } |
33 | 32 |
34 using WebKit::WebFloatPoint; | 33 using WebKit::WebFloatPoint; |
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480 | 479 |
481 void RenderWidgetCompositor::didCompleteSwapBuffers() { | 480 void RenderWidgetCompositor::didCompleteSwapBuffers() { |
482 widget_->didCompleteSwapBuffers(); | 481 widget_->didCompleteSwapBuffers(); |
483 } | 482 } |
484 | 483 |
485 void RenderWidgetCompositor::scheduleComposite() { | 484 void RenderWidgetCompositor::scheduleComposite() { |
486 if (!suppress_schedule_composite_) | 485 if (!suppress_schedule_composite_) |
487 widget_->scheduleComposite(); | 486 widget_->scheduleComposite(); |
488 } | 487 } |
489 | 488 |
490 class RenderWidgetCompositor::MainThreadContextProvider | |
491 : public cc::ContextProvider { | |
492 public: | |
493 virtual bool InitializeOnMainThread() OVERRIDE { return true; } | |
494 virtual bool BindToCurrentThread() OVERRIDE { return true; } | |
495 | |
496 virtual WebKit::WebGraphicsContext3D* Context3d() OVERRIDE { | |
497 return WebKit::WebSharedGraphicsContext3D::mainThreadContext(); | |
498 } | |
499 virtual class GrContext* GrContext() OVERRIDE { | |
500 return WebKit::WebSharedGraphicsContext3D::mainThreadGrContext(); | |
501 } | |
502 | |
503 virtual void VerifyContexts() OVERRIDE {} | |
504 | |
505 protected: | |
506 virtual ~MainThreadContextProvider() {} | |
507 }; | |
508 | |
509 scoped_refptr<cc::ContextProvider> | 489 scoped_refptr<cc::ContextProvider> |
510 RenderWidgetCompositor::OffscreenContextProviderForMainThread() { | 490 RenderWidgetCompositor::OffscreenContextProviderForMainThread() { |
511 if (!contexts_main_thread_) | 491 return RenderThreadImpl::current()->OffscreenContextProviderForMainThread(); |
512 contexts_main_thread_ = new MainThreadContextProvider; | |
513 return contexts_main_thread_; | |
514 } | 492 } |
515 | 493 |
516 class RenderWidgetCompositor::CompositorThreadContextProvider | |
517 : public cc::ContextProvider { | |
518 public: | |
519 CompositorThreadContextProvider() : initialized_(false), destroyed_(false) {} | |
520 | |
521 virtual bool InitializeOnMainThread() OVERRIDE { | |
522 if (!initialized_) { | |
523 initialized_ = | |
524 WebKit::WebSharedGraphicsContext3D::createCompositorThreadContext(); | |
525 } | |
526 return initialized_; | |
527 } | |
528 virtual bool BindToCurrentThread() OVERRIDE { | |
529 return Context3d()->makeContextCurrent(); | |
530 } | |
531 | |
532 virtual WebKit::WebGraphicsContext3D* Context3d() OVERRIDE { | |
533 return WebKit::WebSharedGraphicsContext3D::compositorThreadContext(); | |
534 } | |
535 virtual class GrContext* GrContext() OVERRIDE { | |
536 return WebKit::WebSharedGraphicsContext3D::compositorThreadGrContext(); | |
537 } | |
538 | |
539 virtual void VerifyContexts() OVERRIDE { | |
540 if (Context3d() && !Context3d()->isContextLost()) | |
541 return; | |
542 base::AutoLock lock(destroyed_lock_); | |
543 destroyed_ = true; | |
544 } | |
545 bool DestroyedOnMainThread() { | |
546 base::AutoLock lock(destroyed_lock_); | |
547 return destroyed_; | |
548 } | |
549 | |
550 protected: | |
551 virtual ~CompositorThreadContextProvider() {} | |
552 | |
553 private: | |
554 bool initialized_; | |
555 | |
556 base::Lock destroyed_lock_; | |
557 bool destroyed_; | |
558 }; | |
559 | |
560 scoped_refptr<cc::ContextProvider> | 494 scoped_refptr<cc::ContextProvider> |
561 RenderWidgetCompositor::OffscreenContextProviderForCompositorThread() { | 495 RenderWidgetCompositor::OffscreenContextProviderForCompositorThread() { |
562 if (!contexts_compositor_thread_ || | 496 return RenderThreadImpl::current()-> |
563 contexts_compositor_thread_->DestroyedOnMainThread()) | 497 OffscreenContextProviderForCompositorThread(); |
564 contexts_compositor_thread_ = new CompositorThreadContextProvider; | |
565 return contexts_compositor_thread_; | |
566 } | 498 } |
567 | 499 |
568 } // namespace content | 500 } // namespace content |
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