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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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/render_thread_impl.h" | 5 #include "content/renderer/render_thread_impl.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 #include <limits> | 8 #include <limits> |
9 #include <map> | 9 #include <map> |
10 #include <utility> | 10 #include <utility> |
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241 | 241 |
242 // Maximum allocation size allowed for image scaling filters that | 242 // Maximum allocation size allowed for image scaling filters that |
243 // require pre-scaling. Skia will fallback to a filter that doesn't | 243 // require pre-scaling. Skia will fallback to a filter that doesn't |
244 // require pre-scaling if the default filter would require an | 244 // require pre-scaling if the default filter would require an |
245 // allocation that exceeds this limit. | 245 // allocation that exceeds this limit. |
246 const size_t kImageCacheSingleAllocationByteLimit = 64 * 1024 * 1024; | 246 const size_t kImageCacheSingleAllocationByteLimit = 64 * 1024 * 1024; |
247 | 247 |
248 // Unique identifier for each output surface created. | 248 // Unique identifier for each output surface created. |
249 uint32_t g_next_compositor_frame_sink_id = 1; | 249 uint32_t g_next_compositor_frame_sink_id = 1; |
250 | 250 |
| 251 // An implementation of mojom::RenderMessageFilter which can be mocked out |
| 252 // for tests which may indirectly send messages over this interface. |
| 253 mojom::RenderMessageFilter* g_render_message_filter_for_testing; |
| 254 |
251 // Keep the global RenderThreadImpl in a TLS slot so it is impossible to access | 255 // Keep the global RenderThreadImpl in a TLS slot so it is impossible to access |
252 // incorrectly from the wrong thread. | 256 // incorrectly from the wrong thread. |
253 base::LazyInstance<base::ThreadLocalPointer<RenderThreadImpl> > | 257 base::LazyInstance<base::ThreadLocalPointer<RenderThreadImpl> > |
254 lazy_tls = LAZY_INSTANCE_INITIALIZER; | 258 lazy_tls = LAZY_INSTANCE_INITIALIZER; |
255 | 259 |
256 // v8::MemoryPressureLevel should correspond to base::MemoryPressureListener. | 260 // v8::MemoryPressureLevel should correspond to base::MemoryPressureListener. |
257 static_assert(static_cast<v8::MemoryPressureLevel>( | 261 static_assert(static_cast<v8::MemoryPressureLevel>( |
258 base::MemoryPressureListener::MEMORY_PRESSURE_LEVEL_NONE) == | 262 base::MemoryPressureListener::MEMORY_PRESSURE_LEVEL_NONE) == |
259 v8::MemoryPressureLevel::kNone, "none level not align"); | 263 v8::MemoryPressureLevel::kNone, "none level not align"); |
260 static_assert(static_cast<v8::MemoryPressureLevel>( | 264 static_assert(static_cast<v8::MemoryPressureLevel>( |
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563 } | 567 } |
564 | 568 |
565 // static | 569 // static |
566 RenderThreadImpl* RenderThreadImpl::Create( | 570 RenderThreadImpl* RenderThreadImpl::Create( |
567 std::unique_ptr<base::MessageLoop> main_message_loop, | 571 std::unique_ptr<base::MessageLoop> main_message_loop, |
568 std::unique_ptr<blink::scheduler::RendererScheduler> renderer_scheduler) { | 572 std::unique_ptr<blink::scheduler::RendererScheduler> renderer_scheduler) { |
569 return new RenderThreadImpl(std::move(main_message_loop), | 573 return new RenderThreadImpl(std::move(main_message_loop), |
570 std::move(renderer_scheduler)); | 574 std::move(renderer_scheduler)); |
571 } | 575 } |
572 | 576 |
| 577 // static |
573 RenderThreadImpl* RenderThreadImpl::current() { | 578 RenderThreadImpl* RenderThreadImpl::current() { |
574 return lazy_tls.Pointer()->Get(); | 579 return lazy_tls.Pointer()->Get(); |
575 } | 580 } |
576 | 581 |
| 582 // static |
| 583 mojom::RenderMessageFilter* RenderThreadImpl::current_render_message_filter() { |
| 584 if (g_render_message_filter_for_testing) |
| 585 return g_render_message_filter_for_testing; |
| 586 DCHECK(current()); |
| 587 return current()->render_message_filter(); |
| 588 } |
| 589 |
| 590 // static |
| 591 void RenderThreadImpl::SetRenderMessageFilterForTesting( |
| 592 mojom::RenderMessageFilter* render_message_filter) { |
| 593 g_render_message_filter_for_testing = render_message_filter; |
| 594 } |
| 595 |
577 RenderThreadImpl::RenderThreadImpl( | 596 RenderThreadImpl::RenderThreadImpl( |
578 const InProcessChildThreadParams& params, | 597 const InProcessChildThreadParams& params, |
579 std::unique_ptr<blink::scheduler::RendererScheduler> scheduler, | 598 std::unique_ptr<blink::scheduler::RendererScheduler> scheduler, |
580 scoped_refptr<base::SingleThreadTaskRunner>& resource_task_queue) | 599 scoped_refptr<base::SingleThreadTaskRunner>& resource_task_queue) |
581 : ChildThreadImpl(Options::Builder() | 600 : ChildThreadImpl(Options::Builder() |
582 .InBrowserProcess(params) | 601 .InBrowserProcess(params) |
583 .UseMojoChannel(true) | 602 .UseMojoChannel(true) |
584 .AutoStartMojoShellConnection(false) | 603 .AutoStartMojoShellConnection(false) |
585 .ConnectToBrowser(true) | 604 .ConnectToBrowser(true) |
586 .Build()), | 605 .Build()), |
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2292 if (blink::mainThreadIsolate()) { | 2311 if (blink::mainThreadIsolate()) { |
2293 blink::mainThreadIsolate()->MemoryPressureNotification( | 2312 blink::mainThreadIsolate()->MemoryPressureNotification( |
2294 v8::MemoryPressureLevel::kCritical); | 2313 v8::MemoryPressureLevel::kCritical); |
2295 blink::MemoryPressureNotificationToWorkerThreadIsolates( | 2314 blink::MemoryPressureNotificationToWorkerThreadIsolates( |
2296 v8::MemoryPressureLevel::kCritical); | 2315 v8::MemoryPressureLevel::kCritical); |
2297 } | 2316 } |
2298 } | 2317 } |
2299 | 2318 |
2300 | 2319 |
2301 } // namespace content | 2320 } // namespace content |
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