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1 // Copyright (c) 2016 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2016 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 "gpu/ipc/service/gpu_vsync_provider_win.h" | 5 #include "gpu/ipc/service/gpu_vsync_provider_win.h" |
6 | 6 |
| 7 #include <dwmapi.h> |
| 8 #include <windows.h> |
| 9 |
7 #include <string> | 10 #include <string> |
8 | 11 |
9 #include "base/atomicops.h" | 12 #include "base/atomicops.h" |
10 #include "base/debug/alias.h" | 13 #include "base/debug/alias.h" |
11 #include "base/strings/stringprintf.h" | 14 #include "base/strings/stringprintf.h" |
12 #include "base/threading/thread.h" | 15 #include "base/threading/thread.h" |
13 #include "base/trace_event/trace_event.h" | 16 #include "base/trace_event/trace_event.h" |
14 #include "gpu/ipc/common/gpu_messages.h" | 17 #include "gpu/ipc/common/gpu_messages.h" |
15 #include "ipc/ipc_message_macros.h" | 18 #include "ipc/ipc_message_macros.h" |
16 #include "ipc/message_filter.h" | 19 #include "ipc/message_filter.h" |
17 #include "ui/gl/vsync_provider_win.h" | |
18 | |
19 #include <windows.h> | |
20 | 20 |
21 namespace gpu { | 21 namespace gpu { |
22 | 22 |
23 namespace { | 23 namespace { |
24 // Default interval used when no v-sync interval comes from DWM. | 24 // Default v-sync interval used when there is no history of v-sync timestamps. |
25 const int kDefaultTimerBasedInterval = 16666; | 25 const int kDefaultInterval = 16666; |
26 | 26 |
27 // from <D3dkmthk.h> | 27 // from <D3dkmthk.h> |
28 typedef LONG NTSTATUS; | 28 typedef LONG NTSTATUS; |
29 typedef UINT D3DKMT_HANDLE; | 29 typedef UINT D3DKMT_HANDLE; |
30 typedef UINT D3DDDI_VIDEO_PRESENT_SOURCE_ID; | 30 typedef UINT D3DDDI_VIDEO_PRESENT_SOURCE_ID; |
31 | 31 |
32 #define STATUS_SUCCESS ((NTSTATUS)0x00000000L) | 32 #define STATUS_SUCCESS ((NTSTATUS)0x00000000L) |
33 #define STATUS_GRAPHICS_PRESENT_OCCLUDED ((NTSTATUS)0xC01E0006L) | 33 #define STATUS_GRAPHICS_PRESENT_OCCLUDED ((NTSTATUS)0xC01E0006L) |
34 | 34 |
35 typedef struct _D3DKMT_OPENADAPTERFROMHDC { | 35 typedef struct _D3DKMT_OPENADAPTERFROMHDC { |
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72 | 72 |
73 private: | 73 private: |
74 friend class base::RefCountedThreadSafe<GpuVSyncWorker>; | 74 friend class base::RefCountedThreadSafe<GpuVSyncWorker>; |
75 ~GpuVSyncWorker() override; | 75 ~GpuVSyncWorker() override; |
76 | 76 |
77 void Reschedule(); | 77 void Reschedule(); |
78 bool OpenAdapter(const wchar_t* device_name); | 78 bool OpenAdapter(const wchar_t* device_name); |
79 void CloseAdapter(); | 79 void CloseAdapter(); |
80 NTSTATUS WaitForVBlankEvent(); | 80 NTSTATUS WaitForVBlankEvent(); |
81 | 81 |
82 void SendGpuVSyncUpdate(base::TimeTicks now, | 82 void AddTimestamp(base::TimeTicks timestamp); |
83 base::TimeTicks timestamp, | 83 void AddInterval(base::TimeDelta interval); |
84 base::TimeDelta interval); | 84 base::TimeDelta GetAverageInterval() const; |
| 85 void ClearIntervalHistory(); |
| 86 |
| 87 bool GetDisplayFrequency(const wchar_t* device_name, DWORD* frequency); |
| 88 void UpdateCurrentDisplayFrequency(); |
| 89 bool GetDwmVBlankTimestamp(base::TimeTicks* timestamp); |
| 90 |
| 91 void SendGpuVSyncUpdate(base::TimeTicks now, bool use_dwm); |
| 92 |
85 void InvokeCallbackAndReschedule(base::TimeTicks timestamp, | 93 void InvokeCallbackAndReschedule(base::TimeTicks timestamp, |
86 base::TimeDelta interval); | 94 base::TimeDelta interval); |
87 void UseDelayBasedVSyncOnError(); | 95 void UseDelayBasedVSyncOnError(); |
88 void ScheduleDelayBasedVSync(base::TimeTicks timebase, | |
89 base::TimeDelta interval); | |
90 | 96 |
91 // Specifies whether background tasks are running. | 97 // Specifies whether background tasks are running. |
92 // This can be set on background thread only. | 98 // This can be set on background thread only. |
93 bool running_ = false; | 99 bool running_ = false; |
94 | 100 |
95 // Specified whether the worker is enabled. This is accessed from both | 101 // Specified whether the worker is enabled. This is accessed from both |
96 // threads but can be changed on the main thread only. | 102 // threads but can be changed on the main thread only. |
97 base::subtle::AtomicWord enabled_ = false; | 103 base::subtle::AtomicWord enabled_ = false; |
98 | 104 |
99 const gfx::VSyncProvider::UpdateVSyncCallback callback_; | 105 const gfx::VSyncProvider::UpdateVSyncCallback callback_; |
100 const SurfaceHandle surface_handle_; | 106 const SurfaceHandle surface_handle_; |
101 | 107 |
102 // The actual timing and interval comes from the nested provider. | |
103 std::unique_ptr<gl::VSyncProviderWin> vsync_provider_; | |
104 | |
105 PFND3DKMTOPENADAPTERFROMHDC open_adapter_from_hdc_ptr_; | 108 PFND3DKMTOPENADAPTERFROMHDC open_adapter_from_hdc_ptr_; |
106 PFND3DKMTCLOSEADAPTER close_adapter_ptr_; | 109 PFND3DKMTCLOSEADAPTER close_adapter_ptr_; |
107 PFND3DKMTWAITFORVERTICALBLANKEVENT wait_for_vertical_blank_event_ptr_; | 110 PFND3DKMTWAITFORVERTICALBLANKEVENT wait_for_vertical_blank_event_ptr_; |
108 | 111 |
109 std::wstring current_device_name_; | 112 std::wstring current_device_name_; |
110 D3DKMT_HANDLE current_adapter_handle_ = 0; | 113 D3DKMT_HANDLE current_adapter_handle_ = 0; |
111 D3DDDI_VIDEO_PRESENT_SOURCE_ID current_source_id_ = 0; | 114 D3DDDI_VIDEO_PRESENT_SOURCE_ID current_source_id_ = 0; |
| 115 |
| 116 // Last known v-sync timestamp. |
| 117 base::TimeTicks last_timestamp_; |
| 118 |
| 119 // Current display refresh frequency in Hz which is used to detect |
| 120 // when the frequency changes and and to update the accepted interval |
| 121 // range below. |
| 122 DWORD current_display_frequency_ = 0; |
| 123 |
| 124 // Range of intervals accepted for the average calculation which is |
| 125 // +/-20% from the interval corresponding to the display frequency above. |
| 126 // This is used to filter out outliers. |
| 127 base::TimeDelta min_accepted_interval_; |
| 128 base::TimeDelta max_accepted_interval_; |
| 129 |
| 130 // History of recent deltas between timestamps which is used to calculate the |
| 131 // average v-sync interval and organized as a circular buffer. |
| 132 static const size_t kIntervalHistorySize = 60; |
| 133 base::TimeDelta interval_history_[kIntervalHistorySize]; |
| 134 size_t history_index_ = 0; |
| 135 size_t history_size_ = 0; |
| 136 |
| 137 // Rolling sum of intervals in the circular buffer above. |
| 138 base::TimeDelta rolling_interval_sum_; |
112 }; | 139 }; |
113 | 140 |
114 GpuVSyncWorker::GpuVSyncWorker( | 141 GpuVSyncWorker::GpuVSyncWorker( |
115 const gfx::VSyncProvider::UpdateVSyncCallback& callback, | 142 const gfx::VSyncProvider::UpdateVSyncCallback& callback, |
116 SurfaceHandle surface_handle) | 143 SurfaceHandle surface_handle) |
117 : base::Thread(base::StringPrintf("VSync-%d", surface_handle)), | 144 : base::Thread(base::StringPrintf("VSync-%d", surface_handle)), |
118 callback_(callback), | 145 callback_(callback), |
119 surface_handle_(surface_handle), | 146 surface_handle_(surface_handle) { |
120 vsync_provider_(new gl::VSyncProviderWin(surface_handle)) { | |
121 HMODULE gdi32 = GetModuleHandle(L"gdi32"); | 147 HMODULE gdi32 = GetModuleHandle(L"gdi32"); |
122 if (!gdi32) { | 148 if (!gdi32) { |
123 NOTREACHED() << "Can't open gdi32.dll"; | 149 NOTREACHED() << "Can't open gdi32.dll"; |
124 return; | 150 return; |
125 } | 151 } |
126 | 152 |
127 open_adapter_from_hdc_ptr_ = reinterpret_cast<PFND3DKMTOPENADAPTERFROMHDC>( | 153 open_adapter_from_hdc_ptr_ = reinterpret_cast<PFND3DKMTOPENADAPTERFROMHDC>( |
128 ::GetProcAddress(gdi32, "D3DKMTOpenAdapterFromHdc")); | 154 ::GetProcAddress(gdi32, "D3DKMTOpenAdapterFromHdc")); |
129 if (!open_adapter_from_hdc_ptr_) { | 155 if (!open_adapter_from_hdc_ptr_) { |
130 NOTREACHED() << "Can't find D3DKMTOpenAdapterFromHdc in gdi32.dll"; | 156 NOTREACHED() << "Can't find D3DKMTOpenAdapterFromHdc in gdi32.dll"; |
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202 | 228 |
203 if (current_device_name_.compare(monitor_info.szDevice) != 0) { | 229 if (current_device_name_.compare(monitor_info.szDevice) != 0) { |
204 // Monitor changed. Close the current adapter handle and open a new one. | 230 // Monitor changed. Close the current adapter handle and open a new one. |
205 CloseAdapter(); | 231 CloseAdapter(); |
206 if (!OpenAdapter(monitor_info.szDevice)) { | 232 if (!OpenAdapter(monitor_info.szDevice)) { |
207 UseDelayBasedVSyncOnError(); | 233 UseDelayBasedVSyncOnError(); |
208 return; | 234 return; |
209 } | 235 } |
210 } | 236 } |
211 | 237 |
| 238 UpdateCurrentDisplayFrequency(); |
| 239 |
| 240 // Use DWM timing only when running on the primary monitor which DWM |
| 241 // is synchronized with and only if we can get accurate high resulution |
| 242 // timestamps. |
| 243 bool use_dwm = (monitor_info.dwFlags & MONITORINFOF_PRIMARY) != 0 && |
| 244 base::TimeTicks::IsHighResolution(); |
| 245 |
212 NTSTATUS wait_result = WaitForVBlankEvent(); | 246 NTSTATUS wait_result = WaitForVBlankEvent(); |
213 if (wait_result != STATUS_SUCCESS) { | 247 if (wait_result != STATUS_SUCCESS) { |
214 if (wait_result == STATUS_GRAPHICS_PRESENT_OCCLUDED) { | 248 if (wait_result == STATUS_GRAPHICS_PRESENT_OCCLUDED) { |
215 // This may be triggered by the monitor going into sleep. | 249 // This may be triggered by the monitor going into sleep. |
216 UseDelayBasedVSyncOnError(); | 250 UseDelayBasedVSyncOnError(); |
217 return; | 251 return; |
218 } else { | 252 } else { |
219 base::debug::Alias(&wait_result); | 253 base::debug::Alias(&wait_result); |
220 CHECK(false); | 254 CHECK(false); |
221 } | 255 } |
222 } | 256 } |
223 | 257 |
224 vsync_provider_->GetVSyncParameters( | 258 SendGpuVSyncUpdate(base::TimeTicks::Now(), use_dwm); |
225 base::Bind(&GpuVSyncWorker::SendGpuVSyncUpdate, base::Unretained(this), | |
226 base::TimeTicks::Now())); | |
227 } | 259 } |
228 | 260 |
229 void GpuVSyncWorker::SendGpuVSyncUpdate(base::TimeTicks now, | 261 void GpuVSyncWorker::AddTimestamp(base::TimeTicks timestamp) { |
230 base::TimeTicks timestamp, | 262 if (!last_timestamp_.is_null()) { |
231 base::TimeDelta interval) { | 263 AddInterval(timestamp - last_timestamp_); |
| 264 } |
| 265 |
| 266 last_timestamp_ = timestamp; |
| 267 } |
| 268 |
| 269 void GpuVSyncWorker::AddInterval(base::TimeDelta interval) { |
| 270 if (interval < min_accepted_interval_ || interval > max_accepted_interval_) |
| 271 return; |
| 272 |
| 273 if (history_size_ == kIntervalHistorySize) { |
| 274 rolling_interval_sum_ -= interval_history_[history_index_]; |
| 275 } else { |
| 276 history_size_++; |
| 277 } |
| 278 |
| 279 interval_history_[history_index_] = interval; |
| 280 rolling_interval_sum_ += interval; |
| 281 history_index_ = (history_index_ + 1) % kIntervalHistorySize; |
| 282 } |
| 283 |
| 284 void GpuVSyncWorker::ClearIntervalHistory() { |
| 285 last_timestamp_ = base::TimeTicks(); |
| 286 rolling_interval_sum_ = base::TimeDelta(); |
| 287 history_index_ = 0; |
| 288 history_size_ = 0; |
| 289 } |
| 290 |
| 291 base::TimeDelta GpuVSyncWorker::GetAverageInterval() const { |
| 292 return !rolling_interval_sum_.is_zero() |
| 293 ? rolling_interval_sum_ / history_size_ |
| 294 : base::TimeDelta::FromMicroseconds(kDefaultInterval); |
| 295 } |
| 296 |
| 297 bool GpuVSyncWorker::GetDisplayFrequency(const wchar_t* device_name, |
| 298 DWORD* frequency) { |
| 299 DEVMODE display_info; |
| 300 display_info.dmSize = sizeof(DEVMODE); |
| 301 display_info.dmDriverExtra = 0; |
| 302 |
| 303 BOOL result = |
| 304 EnumDisplaySettings(device_name, ENUM_CURRENT_SETTINGS, &display_info); |
| 305 if (result && display_info.dmDisplayFrequency > 1) { |
| 306 *frequency = display_info.dmDisplayFrequency; |
| 307 return true; |
| 308 } |
| 309 |
| 310 return false; |
| 311 } |
| 312 |
| 313 void GpuVSyncWorker::UpdateCurrentDisplayFrequency() { |
| 314 DWORD frequency; |
| 315 DCHECK(!current_device_name_.empty()); |
| 316 if (!GetDisplayFrequency(current_device_name_.c_str(), &frequency)) { |
| 317 current_display_frequency_ = 0; |
| 318 return; |
| 319 } |
| 320 |
| 321 if (frequency != current_display_frequency_) { |
| 322 current_display_frequency_ = frequency; |
| 323 base::TimeDelta interval = base::TimeDelta::FromMicroseconds( |
| 324 base::Time::kMicrosecondsPerSecond / static_cast<double>(frequency)); |
| 325 ClearIntervalHistory(); |
| 326 |
| 327 min_accepted_interval_ = interval * 0.8; |
| 328 max_accepted_interval_ = interval * 1.2; |
| 329 AddInterval(interval); |
| 330 } |
| 331 } |
| 332 |
| 333 bool GpuVSyncWorker::GetDwmVBlankTimestamp(base::TimeTicks* timestamp) { |
| 334 DWM_TIMING_INFO timing_info; |
| 335 timing_info.cbSize = sizeof(timing_info); |
| 336 HRESULT result = DwmGetCompositionTimingInfo(nullptr, &timing_info); |
| 337 if (result != S_OK) |
| 338 return false; |
| 339 |
| 340 *timestamp = base::TimeTicks::FromQPCValue( |
| 341 static_cast<LONGLONG>(timing_info.qpcVBlank)); |
| 342 return true; |
| 343 } |
| 344 |
| 345 void GpuVSyncWorker::SendGpuVSyncUpdate(base::TimeTicks now, bool use_dwm) { |
| 346 base::TimeTicks timestamp; |
232 base::TimeDelta adjustment; | 347 base::TimeDelta adjustment; |
233 | 348 |
234 if (!(timestamp.is_null() || interval.is_zero())) { | 349 if (use_dwm && GetDwmVBlankTimestamp(×tamp)) { |
235 // Timestamp comes from DwmGetCompositionTimingInfo and apparently it might | 350 // Timestamp comes from DwmGetCompositionTimingInfo and apparently it might |
236 // be up to 2-3 vsync cycles in the past or in the future. | 351 // be up to 2-3 vsync cycles in the past or in the future. |
237 // The adjustment formula was suggested here: | 352 // The adjustment formula was suggested here: |
238 // http://www.vsynctester.com/firefoxisbroken.html | 353 // http://www.vsynctester.com/firefoxisbroken.html |
| 354 base::TimeDelta interval = GetAverageInterval(); |
239 adjustment = | 355 adjustment = |
240 ((now - timestamp + interval / 8) % interval + interval) % interval - | 356 ((now - timestamp + interval / 8) % interval + interval) % interval - |
241 interval / 8; | 357 interval / 8; |
242 timestamp = now - adjustment; | 358 timestamp = now - adjustment; |
243 } else { | 359 } else { |
244 // DWM must be disabled. | 360 // Not using DWM. |
245 timestamp = now; | 361 timestamp = now; |
246 } | 362 } |
247 | 363 |
| 364 AddTimestamp(timestamp); |
| 365 |
248 TRACE_EVENT1("gpu", "GpuVSyncWorker::SendGpuVSyncUpdate", "adjustment", | 366 TRACE_EVENT1("gpu", "GpuVSyncWorker::SendGpuVSyncUpdate", "adjustment", |
249 adjustment.ToInternalValue()); | 367 adjustment.ToInternalValue()); |
250 | 368 |
251 InvokeCallbackAndReschedule(timestamp, interval); | 369 DCHECK_GT(GetAverageInterval().InMillisecondsF(), 0); |
| 370 InvokeCallbackAndReschedule(timestamp, GetAverageInterval()); |
252 } | 371 } |
253 | 372 |
254 void GpuVSyncWorker::InvokeCallbackAndReschedule(base::TimeTicks timestamp, | 373 void GpuVSyncWorker::InvokeCallbackAndReschedule(base::TimeTicks timestamp, |
255 base::TimeDelta interval) { | 374 base::TimeDelta interval) { |
256 // Send update and restart the task if still enabled. | 375 // Send update and restart the task if still enabled. |
257 if (base::subtle::NoBarrier_Load(&enabled_)) { | 376 if (base::subtle::NoBarrier_Load(&enabled_)) { |
258 callback_.Run(timestamp, interval); | 377 callback_.Run(timestamp, interval); |
259 task_runner()->PostTask(FROM_HERE, | 378 task_runner()->PostTask(FROM_HERE, |
260 base::Bind(&GpuVSyncWorker::WaitForVSyncOnThread, | 379 base::Bind(&GpuVSyncWorker::WaitForVSyncOnThread, |
261 base::Unretained(this))); | 380 base::Unretained(this))); |
262 } else { | 381 } else { |
263 running_ = false; | 382 running_ = false; |
| 383 // Clear last_timestamp_ to avoid a long interval when the worker restarts. |
| 384 last_timestamp_ = base::TimeTicks(); |
264 } | 385 } |
265 } | 386 } |
266 | 387 |
267 void GpuVSyncWorker::UseDelayBasedVSyncOnError() { | 388 void GpuVSyncWorker::UseDelayBasedVSyncOnError() { |
268 // This is called in a case of an error. | 389 // This is called in a case of an error. |
269 // Use timer based mechanism as a backup for one v-sync cycle, start with | 390 // Use timer based mechanism as a backup for one v-sync cycle, start with |
270 // getting VSync parameters to determine timebase and interval. | 391 // getting VSync parameters to determine timebase and interval. |
271 // TODO(stanisc): Consider a slower v-sync rate in this particular case. | 392 // TODO(stanisc): Consider a slower v-sync rate in this particular case. |
272 vsync_provider_->GetVSyncParameters(base::Bind( | |
273 &GpuVSyncWorker::ScheduleDelayBasedVSync, base::Unretained(this))); | |
274 } | |
275 | 393 |
276 void GpuVSyncWorker::ScheduleDelayBasedVSync(base::TimeTicks timebase, | 394 base::TimeTicks timebase; |
277 base::TimeDelta interval) { | 395 GetDwmVBlankTimestamp(&timebase); |
278 // This is called only when WaitForVBlankEvent fails due to monitor going to | |
279 // sleep. Use a delay based v-sync as a back-up. | |
280 if (interval.is_zero()) { | |
281 interval = base::TimeDelta::FromMicroseconds(kDefaultTimerBasedInterval); | |
282 } | |
283 | 396 |
| 397 base::TimeDelta interval = GetAverageInterval(); |
284 base::TimeTicks now = base::TimeTicks::Now(); | 398 base::TimeTicks now = base::TimeTicks::Now(); |
285 base::TimeTicks next_vsync = now.SnappedToNextTick(timebase, interval); | 399 base::TimeTicks next_vsync = now.SnappedToNextTick(timebase, interval); |
286 | 400 |
287 task_runner()->PostDelayedTask( | 401 task_runner()->PostDelayedTask( |
288 FROM_HERE, | 402 FROM_HERE, |
289 base::Bind(&GpuVSyncWorker::InvokeCallbackAndReschedule, | 403 base::Bind(&GpuVSyncWorker::InvokeCallbackAndReschedule, |
290 base::Unretained(this), next_vsync, interval), | 404 base::Unretained(this), next_vsync, interval), |
291 next_vsync - now); | 405 next_vsync - now); |
292 } | 406 } |
293 | 407 |
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320 void GpuVSyncWorker::CloseAdapter() { | 434 void GpuVSyncWorker::CloseAdapter() { |
321 if (current_adapter_handle_ != 0) { | 435 if (current_adapter_handle_ != 0) { |
322 D3DKMT_CLOSEADAPTER close_adapter_data; | 436 D3DKMT_CLOSEADAPTER close_adapter_data; |
323 close_adapter_data.hAdapter = current_adapter_handle_; | 437 close_adapter_data.hAdapter = current_adapter_handle_; |
324 | 438 |
325 NTSTATUS result = close_adapter_ptr_(&close_adapter_data); | 439 NTSTATUS result = close_adapter_ptr_(&close_adapter_data); |
326 CHECK(result == STATUS_SUCCESS); | 440 CHECK(result == STATUS_SUCCESS); |
327 | 441 |
328 current_adapter_handle_ = 0; | 442 current_adapter_handle_ = 0; |
329 current_device_name_.clear(); | 443 current_device_name_.clear(); |
| 444 |
| 445 ClearIntervalHistory(); |
330 } | 446 } |
331 } | 447 } |
332 | 448 |
333 NTSTATUS GpuVSyncWorker::WaitForVBlankEvent() { | 449 NTSTATUS GpuVSyncWorker::WaitForVBlankEvent() { |
334 D3DKMT_WAITFORVERTICALBLANKEVENT wait_for_vertical_blank_event_data; | 450 D3DKMT_WAITFORVERTICALBLANKEVENT wait_for_vertical_blank_event_data; |
335 wait_for_vertical_blank_event_data.hAdapter = current_adapter_handle_; | 451 wait_for_vertical_blank_event_data.hAdapter = current_adapter_handle_; |
336 wait_for_vertical_blank_event_data.hDevice = 0; | 452 wait_for_vertical_blank_event_data.hDevice = 0; |
337 wait_for_vertical_blank_event_data.VidPnSourceId = current_source_id_; | 453 wait_for_vertical_blank_event_data.VidPnSourceId = current_source_id_; |
338 | 454 |
339 return wait_for_vertical_blank_event_ptr_( | 455 return wait_for_vertical_blank_event_ptr_( |
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444 void GpuVSyncProviderWin::OnVSync(base::TimeTicks timestamp, | 560 void GpuVSyncProviderWin::OnVSync(base::TimeTicks timestamp, |
445 base::TimeDelta interval) { | 561 base::TimeDelta interval) { |
446 DCHECK(vsync_worker_->BelongsToWorkerThread()); | 562 DCHECK(vsync_worker_->BelongsToWorkerThread()); |
447 | 563 |
448 message_filter_->Send( | 564 message_filter_->Send( |
449 base::MakeUnique<GpuCommandBufferMsg_UpdateVSyncParameters>( | 565 base::MakeUnique<GpuCommandBufferMsg_UpdateVSyncParameters>( |
450 message_filter_->route_id(), timestamp, interval)); | 566 message_filter_->route_id(), timestamp, interval)); |
451 } | 567 } |
452 | 568 |
453 } // namespace gpu | 569 } // namespace gpu |
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