* A task has completed, decrement all dependencies and submit tasks * that are ready to run. Signal simulation end if ther are no more * pending tasks. */
| 432 | * pending tasks. |
| 433 | */ |
| 434 | bool PxTaskMgr::resolveRow( PxTaskID taskID, bool gpuGroupStart ) |
| 435 | { |
| 436 | int depRow = mTaskTable[ taskID ].mStartDep; |
| 437 | |
| 438 | uint32_t streamIndex = 0; |
| 439 | bool syncRequired = false; |
| 440 | if( mTaskTable[ taskID ].mTask ) |
| 441 | { |
| 442 | streamIndex = mTaskTable[ taskID ].mTask->mStreamIndex; |
| 443 | } |
| 444 | |
| 445 | while( depRow != EOL ) |
| 446 | { |
| 447 | PxTaskDepTableRow& row = mDepTable[ uint32_t(depRow) ]; |
| 448 | PxTaskTableRow& dtt = mTaskTable[ row.mTaskID ]; |
| 449 | |
| 450 | // pass stream index to (up to one) dependent GPU task |
| 451 | if( dtt.mTask && dtt.mType == PxTaskType::TT_GPU && streamIndex ) |
| 452 | { |
| 453 | if( dtt.mTask->mStreamIndex ) |
| 454 | { |
| 455 | PX_ASSERT( dtt.mTask->mStreamIndex != streamIndex ); |
| 456 | dtt.mTask->mPreSyncRequired = true; |
| 457 | } |
| 458 | else if( syncRequired ) |
| 459 | { |
| 460 | dtt.mTask->mPreSyncRequired = true; |
| 461 | } |
| 462 | else |
| 463 | { |
| 464 | dtt.mTask->mStreamIndex = streamIndex; |
| 465 | /* only one forward task gets to use this stream */ |
| 466 | syncRequired = true; |
| 467 | } |
| 468 | } |
| 469 | |
| 470 | if( !shdfnd::atomicDecrement( &dtt.mRefCount ) ) |
| 471 | { |
| 472 | gpuGroupStart |= dispatchTask( row.mTaskID, gpuGroupStart ); |
| 473 | } |
| 474 | |
| 475 | depRow = row.mNextDep; |
| 476 | } |
| 477 | |
| 478 | shdfnd::atomicDecrement( &mPendingTasks ); |
| 479 | return gpuGroupStart; |
| 480 | } |
| 481 | |
| 482 | /* |
| 483 | * Submit a ready task to its appropriate dispatcher. |
nothing calls this directly
no test coverage detected