| // Copyright 2011 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "cc/scheduler/rate_limiter.h" |
| |
| #include "base/bind.h" |
| #include "base/debug/trace_event.h" |
| #include "base/location.h" |
| #include "base/logging.h" |
| #include "base/single_thread_task_runner.h" |
| #include "third_party/WebKit/public/platform/WebGraphicsContext3D.h" |
| |
| namespace cc { |
| |
| scoped_refptr<RateLimiter> RateLimiter::Create( |
| WebKit::WebGraphicsContext3D* context, |
| RateLimiterClient* client, |
| base::SingleThreadTaskRunner* task_runner) { |
| return make_scoped_refptr(new RateLimiter(context, client, task_runner)); |
| } |
| |
| RateLimiter::RateLimiter(WebKit::WebGraphicsContext3D* context, |
| RateLimiterClient* client, |
| base::SingleThreadTaskRunner* task_runner) |
| : context_(context), |
| active_(false), |
| client_(client), |
| task_runner_(task_runner) { |
| DCHECK(context); |
| } |
| |
| RateLimiter::~RateLimiter() {} |
| |
| void RateLimiter::Start() { |
| if (active_) |
| return; |
| |
| TRACE_EVENT0("cc", "RateLimiter::Start"); |
| active_ = true; |
| task_runner_->PostTask(FROM_HERE, |
| base::Bind(&RateLimiter::RateLimitContext, this)); |
| } |
| |
| void RateLimiter::Stop() { |
| TRACE_EVENT0("cc", "RateLimiter::Stop"); |
| client_ = NULL; |
| } |
| |
| void RateLimiter::RateLimitContext() { |
| if (!client_) |
| return; |
| |
| TRACE_EVENT0("cc", "RateLimiter::RateLimitContext"); |
| |
| active_ = false; |
| client_->RateLimit(); |
| context_->rateLimitOffscreenContextCHROMIUM(); |
| } |
| |
| } // namespace cc |