oculus1: e2f9e4603129 libovr/Src/OVR

oculus1

view libovr/Src/OVR_LatencyTestImpl.cpp @ 1:e2f9e4603129

added LibOVR and started a simple vr wrapper.

author	John Tsiombikas <nuclear@member.fsf.org>
date	Sat, 14 Sep 2013 16:14:59 +0300
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children

line source

1 /************************************************************************************

3 Filename : OVR_LatencyTestImpl.cpp

4 Content : Oculus Latency Tester device implementation.

5 Created : March 7, 2013

6 Authors : Lee Cooper

10 Use of this software is subject to the terms of the Oculus license

11 agreement provided at the time of installation or download, or which

12 otherwise accompanies this software in either electronic or hard copy form.

14 *************************************************************************************/

16 #include "OVR_LatencyTestImpl.h"

18 namespace OVR {

20 //-------------------------------------------------------------------------------------

21 // ***** Oculus Latency Tester specific packet data structures

23 enum {

24 LatencyTester_VendorId = Oculus_VendorId,

25 LatencyTester_ProductId = 0x0101,

26 };

28 // Reported data is little-endian now

29 static UInt16 DecodeUInt16(const UByte* buffer)

30 {

31 return (UInt16(buffer[1]) << 8) | UInt16(buffer[0]);

32 }

34 /* Unreferenced

35 static SInt16 DecodeSInt16(const UByte* buffer)

36 {

37 return (SInt16(buffer[1]) << 8) | SInt16(buffer[0]);

38 }*/

40 static void UnpackSamples(const UByte* buffer, UByte* r, UByte* g, UByte* b)

41 {

42 *r = buffer[0];

43 *g = buffer[1];

44 *b = buffer[2];

45 }

47 // Messages we handle.

48 enum LatencyTestMessageType

49 {

50 LatencyTestMessage_None = 0,

51 LatencyTestMessage_Samples = 1,

52 LatencyTestMessage_ColorDetected = 2,

53 LatencyTestMessage_TestStarted = 3,

54 LatencyTestMessage_Button = 4,

55 LatencyTestMessage_Unknown = 0x100,

56 LatencyTestMessage_SizeError = 0x101,

57 };

59 struct LatencyTestSample

60 {

61 UByte Value[3];

62 };

64 struct LatencyTestSamples

65 {

66 UByte SampleCount;

67 UInt16 Timestamp;

69 LatencyTestSample Samples[20];

71 LatencyTestMessageType Decode(const UByte* buffer, int size)

72 {

73 if (size < 64)

74 {

75 return LatencyTestMessage_SizeError;

76 }

78 SampleCount = buffer[1];

79 Timestamp = DecodeUInt16(buffer + 2);

81 for (UByte i = 0; i < SampleCount; i++)

82 {

83 UnpackSamples(buffer + 4 + (3 * i), &Samples[i].Value[0], &Samples[i].Value[1], &Samples[i].Value[2]);

84 }

86 return LatencyTestMessage_Samples;

87 }

88 };

90 struct LatencyTestSamplesMessage

91 {

92 LatencyTestMessageType Type;

93 LatencyTestSamples Samples;

94 };

96 bool DecodeLatencyTestSamplesMessage(LatencyTestSamplesMessage* message, UByte* buffer, int size)

97 {

98 memset(message, 0, sizeof(LatencyTestSamplesMessage));

100 if (size < 64)

101 {

102 message->Type = LatencyTestMessage_SizeError;

103 return false;

104 }

105

106 switch (buffer[0])

107 {

108 case LatencyTestMessage_Samples:

109 message->Type = message->Samples.Decode(buffer, size);

110 break;

111

112 default:

113 message->Type = LatencyTestMessage_Unknown;

114 break;

115 }

116

117 return (message->Type < LatencyTestMessage_Unknown) && (message->Type != LatencyTestMessage_None);

118 }

119

120 struct LatencyTestColorDetected

121 {

122 UInt16 CommandID;

123 UInt16 Timestamp;

124 UInt16 Elapsed;

125 UByte TriggerValue[3];

126 UByte TargetValue[3];

127

128 LatencyTestMessageType Decode(const UByte* buffer, int size)

129 {

130 if (size < 13)

131 return LatencyTestMessage_SizeError;

132

133 CommandID = DecodeUInt16(buffer + 1);

134 Timestamp = DecodeUInt16(buffer + 3);

135 Elapsed = DecodeUInt16(buffer + 5);

136 memcpy(TriggerValue, buffer + 7, 3);

137 memcpy(TargetValue, buffer + 10, 3);

138

139 return LatencyTestMessage_ColorDetected;

140 }

141 };

142

143 struct LatencyTestColorDetectedMessage

144 {

145 LatencyTestMessageType Type;

146 LatencyTestColorDetected ColorDetected;

147 };

148

149 bool DecodeLatencyTestColorDetectedMessage(LatencyTestColorDetectedMessage* message, UByte* buffer, int size)

150 {

151 memset(message, 0, sizeof(LatencyTestColorDetectedMessage));

152

153 if (size < 13)

154 {

155 message->Type = LatencyTestMessage_SizeError;

156 return false;

157 }

158

159 switch (buffer[0])

160 {

161 case LatencyTestMessage_ColorDetected:

162 message->Type = message->ColorDetected.Decode(buffer, size);

163 break;

164

165 default:

166 message->Type = LatencyTestMessage_Unknown;

167 break;

168 }

169

170 return (message->Type < LatencyTestMessage_Unknown) && (message->Type != LatencyTestMessage_None);

171 }

172

173 struct LatencyTestStarted

174 {

175 UInt16 CommandID;

176 UInt16 Timestamp;

177 UByte TargetValue[3];

178

179 LatencyTestMessageType Decode(const UByte* buffer, int size)

180 {

181 if (size < 8)

182 return LatencyTestMessage_SizeError;

183

184 CommandID = DecodeUInt16(buffer + 1);

185 Timestamp = DecodeUInt16(buffer + 3);

186 memcpy(TargetValue, buffer + 5, 3);

187

188 return LatencyTestMessage_TestStarted;

189 }

190 };

191

192 struct LatencyTestStartedMessage

193 {

194 LatencyTestMessageType Type;

195 LatencyTestStarted TestStarted;

196 };

197

198 bool DecodeLatencyTestStartedMessage(LatencyTestStartedMessage* message, UByte* buffer, int size)

199 {

200 memset(message, 0, sizeof(LatencyTestStartedMessage));

201

202 if (size < 8)

203 {

204 message->Type = LatencyTestMessage_SizeError;

205 return false;

206 }

207

208 switch (buffer[0])

209 {

210 case LatencyTestMessage_TestStarted:

211 message->Type = message->TestStarted.Decode(buffer, size);

212 break;

213

214 default:

215 message->Type = LatencyTestMessage_Unknown;

216 break;

217 }

218

219 return (message->Type < LatencyTestMessage_Unknown) && (message->Type != LatencyTestMessage_None);

220 }

221

222 struct LatencyTestButton

223 {

224 UInt16 CommandID;

225 UInt16 Timestamp;

226

227 LatencyTestMessageType Decode(const UByte* buffer, int size)

228 {

229 if (size < 5)

230 return LatencyTestMessage_SizeError;

231

232 CommandID = DecodeUInt16(buffer + 1);

233 Timestamp = DecodeUInt16(buffer + 3);

234

235 return LatencyTestMessage_Button;

236 }

237 };

238

239 struct LatencyTestButtonMessage

240 {

241 LatencyTestMessageType Type;

242 LatencyTestButton Button;

243 };

244

245 bool DecodeLatencyTestButtonMessage(LatencyTestButtonMessage* message, UByte* buffer, int size)

246 {

247 memset(message, 0, sizeof(LatencyTestButtonMessage));

248

249 if (size < 5)

250 {

251 message->Type = LatencyTestMessage_SizeError;

252 return false;

253 }

254

255 switch (buffer[0])

256 {

257 case LatencyTestMessage_Button:

258 message->Type = message->Button.Decode(buffer, size);

259 break;

260

261 default:

262 message->Type = LatencyTestMessage_Unknown;

263 break;

264 }

265

266 return (message->Type < LatencyTestMessage_Unknown) && (message->Type != LatencyTestMessage_None);

267 }

268

269 struct LatencyTestConfigurationImpl

270 {

271 enum { PacketSize = 5 };

272 UByte Buffer[PacketSize];

273

274 OVR::LatencyTestConfiguration Configuration;

275

276 LatencyTestConfigurationImpl(const OVR::LatencyTestConfiguration& configuration)

277 : Configuration(configuration)

278 {

279 Pack();

280 }

281

282 void Pack()

283 {

284 Buffer[0] = 5;

285 Buffer[1] = UByte(Configuration.SendSamples);

286 Buffer[2] = Configuration.Threshold.R;

287 Buffer[3] = Configuration.Threshold.G;

288 Buffer[4] = Configuration.Threshold.B;

289 }

290

291 void Unpack()

292 {

293 Configuration.SendSamples = Buffer[1] != 0 ? true : false;

294 Configuration.Threshold.R = Buffer[2];

295 Configuration.Threshold.G = Buffer[3];

296 Configuration.Threshold.B = Buffer[4];

297 }

298 };

299

300 struct LatencyTestCalibrateImpl

301 {

302 enum { PacketSize = 4 };

303 UByte Buffer[PacketSize];

304

305 Color CalibrationColor;

306

307 LatencyTestCalibrateImpl(const Color& calibrationColor)

308 : CalibrationColor(calibrationColor)

309 {

310 Pack();

311 }

312

313 void Pack()

314 {

315 Buffer[0] = 7;

316 Buffer[1] = CalibrationColor.R;

317 Buffer[2] = CalibrationColor.G;

318 Buffer[3] = CalibrationColor.B;

319 }

320

321 void Unpack()

322 {

323 CalibrationColor.R = Buffer[1];

324 CalibrationColor.G = Buffer[2];

325 CalibrationColor.B = Buffer[3];

326 }

327 };

328

329 struct LatencyTestStartTestImpl

330 {

331 enum { PacketSize = 6 };

332 UByte Buffer[PacketSize];

333

334 Color TargetColor;

335

336 LatencyTestStartTestImpl(const Color& targetColor)

337 : TargetColor(targetColor)

338 {

339 Pack();

340 }

341

342 void Pack()

343 {

344 UInt16 commandID = 1;

345

346 Buffer[0] = 8;

347 Buffer[1] = UByte(commandID & 0xFF);

348 Buffer[2] = UByte(commandID >> 8);

349 Buffer[3] = TargetColor.R;

350 Buffer[4] = TargetColor.G;

351 Buffer[5] = TargetColor.B;

352 }

353

354 void Unpack()

355 {

356 // UInt16 commandID = Buffer[1] | (UInt16(Buffer[2]) << 8);

357 TargetColor.R = Buffer[3];

358 TargetColor.G = Buffer[4];

359 TargetColor.B = Buffer[5];

360 }

361 };

362

363 struct LatencyTestDisplayImpl

364 {

365 enum { PacketSize = 6 };

366 UByte Buffer[PacketSize];

367

368 OVR::LatencyTestDisplay Display;

369

370 LatencyTestDisplayImpl(const OVR::LatencyTestDisplay& display)

371 : Display(display)

372 {

373 Pack();

374 }

375

376 void Pack()

377 {

378 Buffer[0] = 9;

379 Buffer[1] = Display.Mode;

380 Buffer[2] = UByte(Display.Value & 0xFF);

381 Buffer[3] = UByte((Display.Value >> 8) & 0xFF);

382 Buffer[4] = UByte((Display.Value >> 16) & 0xFF);

383 Buffer[5] = UByte((Display.Value >> 24) & 0xFF);

384 }

385

386 void Unpack()

387 {

388 Display.Mode = Buffer[1];

389 Display.Value = UInt32(Buffer[2]) |

390 (UInt32(Buffer[3]) << 8) |

391 (UInt32(Buffer[4]) << 16) |

392 (UInt32(Buffer[5]) << 24);

393 }

394 };

395

396 //-------------------------------------------------------------------------------------

397 // ***** LatencyTestDeviceFactory

398

399 LatencyTestDeviceFactory LatencyTestDeviceFactory::Instance;

400

401 void LatencyTestDeviceFactory::EnumerateDevices(EnumerateVisitor& visitor)

402 {

403

404 class LatencyTestEnumerator : public HIDEnumerateVisitor

405 {

406 // Assign not supported; suppress MSVC warning.

407 void operator = (const LatencyTestEnumerator&) { }

408

409 DeviceFactory* pFactory;

410 EnumerateVisitor& ExternalVisitor;

411 public:

412 LatencyTestEnumerator(DeviceFactory* factory, EnumerateVisitor& externalVisitor)

413 : pFactory(factory), ExternalVisitor(externalVisitor) { }

414

415 virtual bool MatchVendorProduct(UInt16 vendorId, UInt16 productId)

416 {

417 return pFactory->MatchVendorProduct(vendorId, productId);

418 }

419

420 virtual void Visit(HIDDevice& device, const HIDDeviceDesc& desc)

421 {

422 OVR_UNUSED(device);

423

424 LatencyTestDeviceCreateDesc createDesc(pFactory, desc);

425 ExternalVisitor.Visit(createDesc);

426 }

427 };

428

429 LatencyTestEnumerator latencyTestEnumerator(this, visitor);

430 GetManagerImpl()->GetHIDDeviceManager()->Enumerate(&latencyTestEnumerator);

431 }

432

433 bool LatencyTestDeviceFactory::MatchVendorProduct(UInt16 vendorId, UInt16 productId) const

434 {

435 return ((vendorId == LatencyTester_VendorId) && (productId == LatencyTester_ProductId));

436 }

437

438 bool LatencyTestDeviceFactory::DetectHIDDevice(DeviceManager* pdevMgr,

439 const HIDDeviceDesc& desc)

440 {

441 if (MatchVendorProduct(desc.VendorId, desc.ProductId))

442 {

443 LatencyTestDeviceCreateDesc createDesc(this, desc);

444 return pdevMgr->AddDevice_NeedsLock(createDesc).GetPtr() != NULL;

445 }

446 return false;

447 }

448

449 //-------------------------------------------------------------------------------------

450 // ***** LatencyTestDeviceCreateDesc

451

452 DeviceBase* LatencyTestDeviceCreateDesc::NewDeviceInstance()

453 {

454 return new LatencyTestDeviceImpl(this);

455 }

456

457 bool LatencyTestDeviceCreateDesc::GetDeviceInfo(DeviceInfo* info) const

458 {

459 if ((info->InfoClassType != Device_LatencyTester) &&

460 (info->InfoClassType != Device_None))

461 return false;

462

463 OVR_strcpy(info->ProductName, DeviceInfo::MaxNameLength, HIDDesc.Product.ToCStr());

464 OVR_strcpy(info->Manufacturer, DeviceInfo::MaxNameLength, HIDDesc.Manufacturer.ToCStr());

465 info->Type = Device_LatencyTester;

466 info->Version = 0;

467

468 if (info->InfoClassType == Device_LatencyTester)

469 {

470 SensorInfo* sinfo = (SensorInfo*)info;

471 sinfo->VendorId = HIDDesc.VendorId;

472 sinfo->ProductId = HIDDesc.ProductId;

473 OVR_strcpy(sinfo->SerialNumber, sizeof(sinfo->SerialNumber),HIDDesc.SerialNumber.ToCStr());

474 }

475 return true;

476 }

477

478 //-------------------------------------------------------------------------------------

479 // ***** LatencyTestDevice

480

481 LatencyTestDeviceImpl::LatencyTestDeviceImpl(LatencyTestDeviceCreateDesc* createDesc)

482 : OVR::HIDDeviceImpl<OVR::LatencyTestDevice>(createDesc, 0)

483 {

484 }

485

486 LatencyTestDeviceImpl::~LatencyTestDeviceImpl()

487 {

488 // Check that Shutdown() was called.

489 OVR_ASSERT(!pCreateDesc->pDevice);

490 }

491

492 // Internal creation APIs.

493 bool LatencyTestDeviceImpl::Initialize(DeviceBase* parent)

494 {

495 if (HIDDeviceImpl<OVR::LatencyTestDevice>::Initialize(parent))

496 {

497 LogText("OVR::LatencyTestDevice initialized.\n");

498 return true;

499 }

500

501 return false;

502 }

503

504 void LatencyTestDeviceImpl::Shutdown()

505 {

506 HIDDeviceImpl<OVR::LatencyTestDevice>::Shutdown();

507

508 LogText("OVR::LatencyTestDevice - Closed '%s'\n", getHIDDesc()->Path.ToCStr());

509 }

510

511 void LatencyTestDeviceImpl::OnInputReport(UByte* pData, UInt32 length)

512 {

513

514 bool processed = false;

515 if (!processed)

516 {

517 LatencyTestSamplesMessage message;

518 if (DecodeLatencyTestSamplesMessage(&message, pData, length))

519 {

520 processed = true;

521 onLatencyTestSamplesMessage(&message);

522 }

523 }

524

525 if (!processed)

526 {

527 LatencyTestColorDetectedMessage message;

528 if (DecodeLatencyTestColorDetectedMessage(&message, pData, length))

529 {

530 processed = true;

531 onLatencyTestColorDetectedMessage(&message);

532 }

533 }

534

535 if (!processed)

536 {

537 LatencyTestStartedMessage message;

538 if (DecodeLatencyTestStartedMessage(&message, pData, length))

539 {

540 processed = true;

541 onLatencyTestStartedMessage(&message);

542 }

543 }

544

545 if (!processed)

546 {

547 LatencyTestButtonMessage message;

548 if (DecodeLatencyTestButtonMessage(&message, pData, length))

549 {

550 processed = true;

551 onLatencyTestButtonMessage(&message);

552 }

553 }

554 }

555

556 bool LatencyTestDeviceImpl::SetConfiguration(const OVR::LatencyTestConfiguration& configuration, bool waitFlag)

557 {

558 bool result = false;

559 ThreadCommandQueue* queue = GetManagerImpl()->GetThreadQueue();

560

561 if (GetManagerImpl()->GetThreadId() != OVR::GetCurrentThreadId())

562 {

563 if (!waitFlag)

564 {

565 return queue->PushCall(this, &LatencyTestDeviceImpl::setConfiguration, configuration);

566 }

567

568 if (!queue->PushCallAndWaitResult( this,

569 &LatencyTestDeviceImpl::setConfiguration,

570 &result,

571 configuration))

572 {

573 return false;

574 }

575 }

576 else

577 return setConfiguration(configuration);

578

579 return result;

580 }

581

582 bool LatencyTestDeviceImpl::setConfiguration(const OVR::LatencyTestConfiguration& configuration)

583 {

584 LatencyTestConfigurationImpl ltc(configuration);

585 return GetInternalDevice()->SetFeatureReport(ltc.Buffer, LatencyTestConfigurationImpl::PacketSize);

586 }

587

588 bool LatencyTestDeviceImpl::GetConfiguration(OVR::LatencyTestConfiguration* configuration)

589 {

590 bool result = false;

591

592 ThreadCommandQueue* pQueue = this->GetManagerImpl()->GetThreadQueue();

593 if (!pQueue->PushCallAndWaitResult(this, &LatencyTestDeviceImpl::getConfiguration, &result, configuration))

594 return false;

595

596 return result;

597 }

598

599 bool LatencyTestDeviceImpl::getConfiguration(OVR::LatencyTestConfiguration* configuration)

600 {

601 LatencyTestConfigurationImpl ltc(*configuration);

602 if (GetInternalDevice()->GetFeatureReport(ltc.Buffer, LatencyTestConfigurationImpl::PacketSize))

603 {

604 ltc.Unpack();

605 *configuration = ltc.Configuration;

606 return true;

607 }

608

609 return false;

610 }

611

612 bool LatencyTestDeviceImpl::SetCalibrate(const Color& calibrationColor, bool waitFlag)

613 {

614 bool result = false;

615 ThreadCommandQueue* queue = GetManagerImpl()->GetThreadQueue();

616

617 if (!waitFlag)

618 {

619 return queue->PushCall(this, &LatencyTestDeviceImpl::setCalibrate, calibrationColor);

620 }

621

622 if (!queue->PushCallAndWaitResult( this,

623 &LatencyTestDeviceImpl::setCalibrate,

624 &result,

625 calibrationColor))

626 {

627 return false;

628 }

629

630 return result;

631 }

632

633 bool LatencyTestDeviceImpl::setCalibrate(const Color& calibrationColor)

634 {

635 LatencyTestCalibrateImpl ltc(calibrationColor);

636 return GetInternalDevice()->SetFeatureReport(ltc.Buffer, LatencyTestCalibrateImpl::PacketSize);

637 }

638

639 bool LatencyTestDeviceImpl::SetStartTest(const Color& targetColor, bool waitFlag)

640 {

641 bool result = false;

642 ThreadCommandQueue* queue = GetManagerImpl()->GetThreadQueue();

643

644 if (!waitFlag)

645 {

646 return queue->PushCall(this, &LatencyTestDeviceImpl::setStartTest, targetColor);

647 }

648

649 if (!queue->PushCallAndWaitResult( this,

650 &LatencyTestDeviceImpl::setStartTest,

651 &result,

652 targetColor))

653 {

654 return false;

655 }

656

657 return result;

658 }

659

660 bool LatencyTestDeviceImpl::setStartTest(const Color& targetColor)

661 {

662 LatencyTestStartTestImpl ltst(targetColor);

663 return GetInternalDevice()->SetFeatureReport(ltst.Buffer, LatencyTestStartTestImpl::PacketSize);

664 }

665

666 bool LatencyTestDeviceImpl::SetDisplay(const OVR::LatencyTestDisplay& display, bool waitFlag)

667 {

668 bool result = false;

669 ThreadCommandQueue * queue = GetManagerImpl()->GetThreadQueue();

670

671 if (!waitFlag)

672 {

673 return queue->PushCall(this, &LatencyTestDeviceImpl::setDisplay, display);

674 }

675

676 if (!queue->PushCallAndWaitResult( this,

677 &LatencyTestDeviceImpl::setDisplay,

678 &result,

679 display))

680 {

681 return false;

682 }

683

684 return result;

685 }

686

687 bool LatencyTestDeviceImpl::setDisplay(const OVR::LatencyTestDisplay& display)

688 {

689 LatencyTestDisplayImpl ltd(display);

690 return GetInternalDevice()->SetFeatureReport(ltd.Buffer, LatencyTestDisplayImpl::PacketSize);

691 }

692

693 void LatencyTestDeviceImpl::onLatencyTestSamplesMessage(LatencyTestSamplesMessage* message)

694 {

695

696 if (message->Type != LatencyTestMessage_Samples)

697 return;

698

699 LatencyTestSamples& s = message->Samples;

700

701 // Call OnMessage() within a lock to avoid conflicts with handlers.

702 Lock::Locker scopeLock(HandlerRef.GetLock());

703

704 if (HandlerRef.GetHandler())

705 {

706 MessageLatencyTestSamples samples(this);

707 for (UByte i = 0; i < s.SampleCount; i++)

708 {

709 samples.Samples.PushBack(Color(s.Samples[i].Value[0], s.Samples[i].Value[1], s.Samples[i].Value[2]));

710 }

711

712 HandlerRef.GetHandler()->OnMessage(samples);

713 }

714 }

715

716 void LatencyTestDeviceImpl::onLatencyTestColorDetectedMessage(LatencyTestColorDetectedMessage* message)

717 {

718 if (message->Type != LatencyTestMessage_ColorDetected)

719 return;

720

721 LatencyTestColorDetected& s = message->ColorDetected;

722

723 // Call OnMessage() within a lock to avoid conflicts with handlers.

724 Lock::Locker scopeLock(HandlerRef.GetLock());

725

726 if (HandlerRef.GetHandler())

727 {

728 MessageLatencyTestColorDetected detected(this);

729 detected.Elapsed = s.Elapsed;

730 detected.DetectedValue = Color(s.TriggerValue[0], s.TriggerValue[1], s.TriggerValue[2]);

731 detected.TargetValue = Color(s.TargetValue[0], s.TargetValue[1], s.TargetValue[2]);

732

733 HandlerRef.GetHandler()->OnMessage(detected);

734 }

735 }

736

737 void LatencyTestDeviceImpl::onLatencyTestStartedMessage(LatencyTestStartedMessage* message)

738 {

739 if (message->Type != LatencyTestMessage_TestStarted)

740 return;

741

742 LatencyTestStarted& ts = message->TestStarted;

743

744 // Call OnMessage() within a lock to avoid conflicts with handlers.

745 Lock::Locker scopeLock(HandlerRef.GetLock());

746

747 if (HandlerRef.GetHandler())

748 {

749 MessageLatencyTestStarted started(this);

750 started.TargetValue = Color(ts.TargetValue[0], ts.TargetValue[1], ts.TargetValue[2]);

751

752 HandlerRef.GetHandler()->OnMessage(started);

753 }

754 }

755

756 void LatencyTestDeviceImpl::onLatencyTestButtonMessage(LatencyTestButtonMessage* message)

757 {

758 if (message->Type != LatencyTestMessage_Button)

759 return;

760

761 // LatencyTestButton& s = message->Button;

762

763 // Call OnMessage() within a lock to avoid conflicts with handlers.

764 Lock::Locker scopeLock(HandlerRef.GetLock());

765

766 if (HandlerRef.GetHandler())

767 {

768 MessageLatencyTestButton button(this);

769

770 HandlerRef.GetHandler()->OnMessage(button);

771 }

772 }

773

774 } // namespace OVR