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| 1 // Copyright 2011 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 "cc/scheduler/rate_limiter.h" | |
| 6 | |
| 7 #include "base/bind.h" | |
| 8 #include "base/debug/trace_event.h" | |
| 9 #include "base/location.h" | |
| 10 #include "base/logging.h" | |
| 11 #include "base/single_thread_task_runner.h" | |
| 12 #include "third_party/WebKit/public/platform/WebGraphicsContext3D.h" | |
| 13 | |
| 14 namespace cc { | |
| 15 | |
| 16 scoped_refptr<RateLimiter> RateLimiter::Create( | |
| 17 WebKit::WebGraphicsContext3D* context, | |
| 18 RateLimiterClient* client, | |
| 19 base::SingleThreadTaskRunner* task_runner) { | |
| 20 return make_scoped_refptr(new RateLimiter(context, client, task_runner)); | |
| 21 } | |
| 22 | |
| 23 RateLimiter::RateLimiter(WebKit::WebGraphicsContext3D* context, | |
| 24 RateLimiterClient* client, | |
| 25 base::SingleThreadTaskRunner* task_runner) | |
| 26 : context_(context), | |
| 27 active_(false), | |
| 28 client_(client), | |
| 29 task_runner_(task_runner) { | |
| 30 DCHECK(context); | |
| 31 } | |
| 32 | |
| 33 RateLimiter::~RateLimiter() {} | |
| 34 | |
| 35 void RateLimiter::Start() { | |
| 36 if (active_) | |
| 37 return; | |
| 38 | |
| 39 TRACE_EVENT0("cc", "RateLimiter::Start"); | |
| 40 active_ = true; | |
| 41 task_runner_->PostTask(FROM_HERE, | |
| 42 base::Bind(&RateLimiter::RateLimitContext, this)); | |
| 43 } | |
| 44 | |
| 45 void RateLimiter::Stop() { | |
| 46 TRACE_EVENT0("cc", "RateLimiter::Stop"); | |
| 47 client_ = NULL; | |
| 48 } | |
| 49 | |
| 50 void RateLimiter::RateLimitContext() { | |
| 51 if (!client_) | |
| 52 return; | |
| 53 | |
| 54 TRACE_EVENT0("cc", "RateLimiter::RateLimitContext"); | |
| 55 | |
| 56 active_ = false; | |
| 57 client_->RateLimit(); | |
| 58 context_->rateLimitOffscreenContextCHROMIUM(); | |
| 59 } | |
| 60 | |
| 61 } // namespace cc | |
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Chromium Code Reviews
Issue 53153006:
Simplify rate limiting since it's main thread shared context only (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src