1/* 2 * Copyright 1999, Be Incorporated. 3 * Copyright 2007, Haiku. 4 * Distributed under the terms of the MIT License. 5 * 6 * Authors: 7 * Be Incorporated 8 * Eric Petit <eric.petit@lapsus.org> 9 */ 10 11#include "GlobalData.h" 12 13static engine_token vmwareEngineToken = {1, B_2D_ACCELERATION, NULL}; 14 15uint32 16ACCELERANT_ENGINE_COUNT() 17{ 18 return 1; 19} 20 21 22status_t 23ACQUIRE_ENGINE(uint32 capabilities, uint32 max_wait, sync_token * st, 24 engine_token ** et) 25{ 26 ACQUIRE_BEN(gSi->engineLock); 27 if (st) 28 SYNC_TO_TOKEN(st); 29 *et = &vmwareEngineToken; 30 return B_OK; 31} 32 33 34status_t 35RELEASE_ENGINE(engine_token * et, sync_token * st) 36{ 37 if (st) 38 GET_SYNC_TOKEN(et, st); 39 RELEASE_BEN(gSi->engineLock); 40 return B_OK; 41} 42 43 44void 45WAIT_ENGINE_IDLE() 46{ 47 FifoSync(); 48} 49 50 51status_t 52GET_SYNC_TOKEN(engine_token * et, sync_token * st) 53{ 54 st->engine_id = et->engine_id; 55 st->counter = 0; 56 return B_OK; 57} 58 59 60status_t 61SYNC_TO_TOKEN(sync_token * st) 62{ 63 WAIT_ENGINE_IDLE(); 64 return B_OK; 65} 66 67