rsdBcc.cpp revision dbe66d6783c1e53cd1572de0ef6ef6fdf6f76f48
1/* 2 * Copyright (C) 2011-2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#include "rsdCore.h" 18 19#include <bcc/BCCContext.h> 20#include <bcc/Renderscript/RSCompilerDriver.h> 21#include <bcc/Renderscript/RSExecutable.h> 22#include <bcc/Renderscript/RSInfo.h> 23 24#include "rsdBcc.h" 25#include "rsdRuntime.h" 26#include "rsdAllocation.h" 27#include "rsdIntrinsics.h" 28 29#include "rsContext.h" 30#include "rsElement.h" 31#include "rsScriptC.h" 32 33#include "utils/Vector.h" 34#include "utils/Timers.h" 35#include "utils/StopWatch.h" 36 37using namespace android; 38using namespace android::renderscript; 39 40 41static Script * setTLS(Script *sc) { 42 ScriptTLSStruct * tls = (ScriptTLSStruct *)pthread_getspecific(rsdgThreadTLSKey); 43 rsAssert(tls); 44 Script *old = tls->mScript; 45 tls->mScript = sc; 46 return old; 47} 48 49 50bool rsdScriptInit(const Context *rsc, 51 ScriptC *script, 52 char const *resName, 53 char const *cacheDir, 54 uint8_t const *bitcode, 55 size_t bitcodeSize, 56 uint32_t flags) { 57 //ALOGE("rsdScriptCreate %p %p %p %p %i %i %p", rsc, resName, cacheDir, bitcode, bitcodeSize, flags, lookupFunc); 58 //ALOGE("rsdScriptInit %p %p", rsc, script); 59 60 pthread_mutex_lock(&rsdgInitMutex); 61 62 bcc::RSExecutable *exec; 63 const bcc::RSInfo *info; 64 DrvScript *drv = (DrvScript *)calloc(1, sizeof(DrvScript)); 65 if (drv == NULL) { 66 goto error; 67 } 68 script->mHal.drv = drv; 69 70 drv->mCompilerContext = NULL; 71 drv->mCompilerDriver = NULL; 72 drv->mExecutable = NULL; 73 74 drv->mCompilerContext = new bcc::BCCContext(); 75 if (drv->mCompilerContext == NULL) { 76 ALOGE("bcc: FAILS to create compiler context (out of memory)"); 77 goto error; 78 } 79 80 drv->mCompilerDriver = new bcc::RSCompilerDriver(); 81 if (drv->mCompilerDriver == NULL) { 82 ALOGE("bcc: FAILS to create compiler driver (out of memory)"); 83 goto error; 84 } 85 86 script->mHal.info.isThreadable = true; 87 88 drv->mCompilerDriver->setRSRuntimeLookupFunction(rsdLookupRuntimeStub); 89 drv->mCompilerDriver->setRSRuntimeLookupContext(script); 90 91 exec = drv->mCompilerDriver->build(*drv->mCompilerContext, 92 cacheDir, resName, 93 (const char *)bitcode, bitcodeSize); 94 95 if (exec == NULL) { 96 ALOGE("bcc: FAILS to prepare executable for '%s'", resName); 97 goto error; 98 } 99 100 drv->mExecutable = exec; 101 102 exec->setThreadable(script->mHal.info.isThreadable); 103 if (!exec->syncInfo()) { 104 ALOGW("bcc: FAILS to synchronize the RS info file to the disk"); 105 } 106 107 drv->mRoot = reinterpret_cast<int (*)()>(exec->getSymbolAddress("root")); 108 drv->mRootExpand = 109 reinterpret_cast<int (*)()>(exec->getSymbolAddress("root.expand")); 110 drv->mInit = reinterpret_cast<void (*)()>(exec->getSymbolAddress("init")); 111 drv->mFreeChildren = 112 reinterpret_cast<void (*)()>(exec->getSymbolAddress(".rs.dtor")); 113 114 info = &drv->mExecutable->getInfo(); 115 // Copy info over to runtime 116 script->mHal.info.exportedFunctionCount = info->getExportFuncNames().size(); 117 script->mHal.info.exportedVariableCount = info->getExportVarNames().size(); 118 script->mHal.info.exportedPragmaCount = info->getPragmas().size(); 119 script->mHal.info.exportedPragmaKeyList = 120 const_cast<const char**>(exec->getPragmaKeys().array()); 121 script->mHal.info.exportedPragmaValueList = 122 const_cast<const char**>(exec->getPragmaValues().array()); 123 124 if (drv->mRootExpand) { 125 script->mHal.info.root = drv->mRootExpand; 126 } else { 127 script->mHal.info.root = drv->mRoot; 128 } 129 130 if (script->mHal.info.exportedVariableCount) { 131 drv->mBoundAllocs = new Allocation *[script->mHal.info.exportedVariableCount]; 132 memset(drv->mBoundAllocs, 0, sizeof(void *) * script->mHal.info.exportedVariableCount); 133 } 134 135 pthread_mutex_unlock(&rsdgInitMutex); 136 return true; 137 138error: 139 140 pthread_mutex_unlock(&rsdgInitMutex); 141 if (drv) { 142 delete drv->mCompilerContext; 143 delete drv->mCompilerDriver; 144 delete drv->mExecutable; 145 delete[] drv->mBoundAllocs; 146 free(drv); 147 } 148 script->mHal.drv = NULL; 149 return false; 150 151} 152 153bool rsdInitIntrinsic(const Context *rsc, Script *s, RsScriptIntrinsicID iid, Element *e) { 154 pthread_mutex_lock(&rsdgInitMutex); 155 156 DrvScript *drv = (DrvScript *)calloc(1, sizeof(DrvScript)); 157 if (drv == NULL) { 158 goto error; 159 } 160 s->mHal.drv = drv; 161 drv->mIntrinsicID = iid; 162 drv->mIntrinsicData = rsdIntrinsic_Init(rsc, s, iid, &drv->mIntrinsicFuncs); 163 164 pthread_mutex_unlock(&rsdgInitMutex); 165 return true; 166 167error: 168 pthread_mutex_unlock(&rsdgInitMutex); 169 return false; 170} 171 172typedef void (*rs_t)(const void *, void *, const void *, uint32_t, uint32_t, uint32_t, uint32_t); 173 174static void wc_xy(void *usr, uint32_t idx) { 175 MTLaunchStruct *mtls = (MTLaunchStruct *)usr; 176 RsForEachStubParamStruct p; 177 memcpy(&p, &mtls->fep, sizeof(p)); 178 RsdHal * dc = (RsdHal *)mtls->rsc->mHal.drv; 179 uint32_t sig = mtls->sig; 180 181 outer_foreach_t fn = (outer_foreach_t) mtls->kernel; 182 while (1) { 183 uint32_t slice = (uint32_t)android_atomic_inc(&mtls->mSliceNum); 184 uint32_t yStart = mtls->yStart + slice * mtls->mSliceSize; 185 uint32_t yEnd = yStart + mtls->mSliceSize; 186 yEnd = rsMin(yEnd, mtls->yEnd); 187 if (yEnd <= yStart) { 188 return; 189 } 190 191 //ALOGE("usr idx %i, x %i,%i y %i,%i", idx, mtls->xStart, mtls->xEnd, yStart, yEnd); 192 //ALOGE("usr ptr in %p, out %p", mtls->ptrIn, mtls->ptrOut); 193 for (p.y = yStart; p.y < yEnd; p.y++) { 194 p.out = mtls->fep.ptrOut + (mtls->fep.yStrideOut * p.y); 195 p.in = mtls->fep.ptrIn + (mtls->fep.yStrideIn * p.y); 196 fn(&p, mtls->xStart, mtls->xEnd, mtls->fep.eStrideIn, mtls->fep.eStrideOut); 197 } 198 } 199} 200 201static void wc_x(void *usr, uint32_t idx) { 202 MTLaunchStruct *mtls = (MTLaunchStruct *)usr; 203 RsForEachStubParamStruct p; 204 memcpy(&p, &mtls->fep, sizeof(p)); 205 RsdHal * dc = (RsdHal *)mtls->rsc->mHal.drv; 206 uint32_t sig = mtls->sig; 207 208 outer_foreach_t fn = (outer_foreach_t) mtls->kernel; 209 while (1) { 210 uint32_t slice = (uint32_t)android_atomic_inc(&mtls->mSliceNum); 211 uint32_t xStart = mtls->xStart + slice * mtls->mSliceSize; 212 uint32_t xEnd = xStart + mtls->mSliceSize; 213 xEnd = rsMin(xEnd, mtls->xEnd); 214 if (xEnd <= xStart) { 215 return; 216 } 217 218 //ALOGE("usr slice %i idx %i, x %i,%i", slice, idx, xStart, xEnd); 219 //ALOGE("usr ptr in %p, out %p", mtls->ptrIn, mtls->ptrOut); 220 221 p.out = mtls->fep.ptrOut + (mtls->fep.eStrideOut * xStart); 222 p.in = mtls->fep.ptrIn + (mtls->fep.eStrideIn * xStart); 223 fn(&p, xStart, xEnd, mtls->fep.eStrideIn, mtls->fep.eStrideOut); 224 } 225} 226 227void rsdScriptInvokeForEachMtlsSetup(const Context *rsc, 228 const Allocation * ain, 229 Allocation * aout, 230 const void * usr, 231 uint32_t usrLen, 232 const RsScriptCall *sc, 233 MTLaunchStruct *mtls) { 234 235 memset(mtls, 0, sizeof(MTLaunchStruct)); 236 237 if (ain) { 238 mtls->fep.dimX = ain->getType()->getDimX(); 239 mtls->fep.dimY = ain->getType()->getDimY(); 240 mtls->fep.dimZ = ain->getType()->getDimZ(); 241 //mtls->dimArray = ain->getType()->getDimArray(); 242 } else if (aout) { 243 mtls->fep.dimX = aout->getType()->getDimX(); 244 mtls->fep.dimY = aout->getType()->getDimY(); 245 mtls->fep.dimZ = aout->getType()->getDimZ(); 246 //mtls->dimArray = aout->getType()->getDimArray(); 247 } else { 248 rsc->setError(RS_ERROR_BAD_SCRIPT, "rsForEach called with null allocations"); 249 return; 250 } 251 252 if (!sc || (sc->xEnd == 0)) { 253 mtls->xEnd = mtls->fep.dimX; 254 } else { 255 rsAssert(sc->xStart < mtls->fep.dimX); 256 rsAssert(sc->xEnd <= mtls->fep.dimX); 257 rsAssert(sc->xStart < sc->xEnd); 258 mtls->xStart = rsMin(mtls->fep.dimX, sc->xStart); 259 mtls->xEnd = rsMin(mtls->fep.dimX, sc->xEnd); 260 if (mtls->xStart >= mtls->xEnd) return; 261 } 262 263 if (!sc || (sc->yEnd == 0)) { 264 mtls->yEnd = mtls->fep.dimY; 265 } else { 266 rsAssert(sc->yStart < mtls->fep.dimY); 267 rsAssert(sc->yEnd <= mtls->fep.dimY); 268 rsAssert(sc->yStart < sc->yEnd); 269 mtls->yStart = rsMin(mtls->fep.dimY, sc->yStart); 270 mtls->yEnd = rsMin(mtls->fep.dimY, sc->yEnd); 271 if (mtls->yStart >= mtls->yEnd) return; 272 } 273 274 mtls->xEnd = rsMax((uint32_t)1, mtls->xEnd); 275 mtls->yEnd = rsMax((uint32_t)1, mtls->yEnd); 276 mtls->zEnd = rsMax((uint32_t)1, mtls->zEnd); 277 mtls->arrayEnd = rsMax((uint32_t)1, mtls->arrayEnd); 278 279 rsAssert(!ain || (ain->getType()->getDimZ() == 0)); 280 281 Context *mrsc = (Context *)rsc; 282 mtls->rsc = mrsc; 283 mtls->ain = ain; 284 mtls->aout = aout; 285 mtls->fep.usr = usr; 286 mtls->fep.usrLen = usrLen; 287 mtls->mSliceSize = 10; 288 mtls->mSliceNum = 0; 289 290 mtls->fep.ptrIn = NULL; 291 mtls->fep.eStrideIn = 0; 292 if (ain) { 293 DrvAllocation *aindrv = (DrvAllocation *)ain->mHal.drv; 294 mtls->fep.ptrIn = (const uint8_t *)aindrv->lod[0].mallocPtr; 295 mtls->fep.eStrideIn = ain->getType()->getElementSizeBytes(); 296 mtls->fep.yStrideIn = aindrv->lod[0].stride; 297 } 298 299 mtls->fep.ptrOut = NULL; 300 mtls->fep.eStrideOut = 0; 301 if (aout) { 302 DrvAllocation *aoutdrv = (DrvAllocation *)aout->mHal.drv; 303 mtls->fep.ptrOut = (uint8_t *)aoutdrv->lod[0].mallocPtr; 304 mtls->fep.eStrideOut = aout->getType()->getElementSizeBytes(); 305 mtls->fep.yStrideOut = aoutdrv->lod[0].stride; 306 } 307} 308 309void rsdScriptLaunchThreads(const Context *rsc, 310 Script *s, 311 uint32_t slot, 312 const Allocation * ain, 313 Allocation * aout, 314 const void * usr, 315 uint32_t usrLen, 316 const RsScriptCall *sc, 317 MTLaunchStruct *mtls) { 318 319 Script * oldTLS = setTLS(s); 320 Context *mrsc = (Context *)rsc; 321 RsdHal * dc = (RsdHal *)mtls->rsc->mHal.drv; 322 323 if ((dc->mWorkers.mCount > 1) && s->mHal.info.isThreadable && !dc->mInForEach) { 324 dc->mInForEach = true; 325 if (mtls->fep.dimY > 1) { 326 mtls->mSliceSize = mtls->fep.dimY / (dc->mWorkers.mCount * 4); 327 if(mtls->mSliceSize < 1) { 328 mtls->mSliceSize = 1; 329 } 330 331 rsdLaunchThreads(mrsc, wc_xy, mtls); 332 } else { 333 mtls->mSliceSize = mtls->fep.dimX / (dc->mWorkers.mCount * 4); 334 if(mtls->mSliceSize < 1) { 335 mtls->mSliceSize = 1; 336 } 337 338 rsdLaunchThreads(mrsc, wc_x, mtls); 339 } 340 dc->mInForEach = false; 341 342 //ALOGE("launch 1"); 343 } else { 344 RsForEachStubParamStruct p; 345 memcpy(&p, &mtls->fep, sizeof(p)); 346 uint32_t sig = mtls->sig; 347 348 //ALOGE("launch 3"); 349 outer_foreach_t fn = (outer_foreach_t) mtls->kernel; 350 for (p.ar[0] = mtls->arrayStart; p.ar[0] < mtls->arrayEnd; p.ar[0]++) { 351 for (p.z = mtls->zStart; p.z < mtls->zEnd; p.z++) { 352 for (p.y = mtls->yStart; p.y < mtls->yEnd; p.y++) { 353 uint32_t offset = mtls->fep.dimY * mtls->fep.dimZ * p.ar[0] + 354 mtls->fep.dimY * p.z + p.y; 355 p.out = mtls->fep.ptrOut + (mtls->fep.yStrideOut * offset); 356 p.in = mtls->fep.ptrIn + (mtls->fep.yStrideIn * offset); 357 fn(&p, mtls->xStart, mtls->xEnd, mtls->fep.eStrideIn, mtls->fep.eStrideOut); 358 } 359 } 360 } 361 } 362 363 setTLS(oldTLS); 364} 365 366void rsdScriptInvokeForEach(const Context *rsc, 367 Script *s, 368 uint32_t slot, 369 const Allocation * ain, 370 Allocation * aout, 371 const void * usr, 372 uint32_t usrLen, 373 const RsScriptCall *sc) { 374 375 RsdHal * dc = (RsdHal *)rsc->mHal.drv; 376 377 MTLaunchStruct mtls; 378 rsdScriptInvokeForEachMtlsSetup(rsc, ain, aout, usr, usrLen, sc, &mtls); 379 mtls.script = s; 380 381 DrvScript *drv = (DrvScript *)s->mHal.drv; 382 if (drv->mIntrinsicID) { 383 mtls.kernel = (void (*)())drv->mIntrinsicFuncs.root; 384 mtls.fep.usr = drv->mIntrinsicData; 385 } else { 386 rsAssert(slot < drv->mExecutable->getExportForeachFuncAddrs().size()); 387 mtls.kernel = reinterpret_cast<ForEachFunc_t>( 388 drv->mExecutable->getExportForeachFuncAddrs()[slot]); 389 rsAssert(mtls.kernel != NULL); 390 mtls.sig = drv->mExecutable->getInfo().getExportForeachFuncs()[slot].second; 391 } 392 393 394 rsdScriptLaunchThreads(rsc, s, slot, ain, aout, usr, usrLen, sc, &mtls); 395} 396 397 398int rsdScriptInvokeRoot(const Context *dc, Script *script) { 399 DrvScript *drv = (DrvScript *)script->mHal.drv; 400 401 Script * oldTLS = setTLS(script); 402 int ret = drv->mRoot(); 403 setTLS(oldTLS); 404 405 return ret; 406} 407 408void rsdScriptInvokeInit(const Context *dc, Script *script) { 409 DrvScript *drv = (DrvScript *)script->mHal.drv; 410 411 if (drv->mInit) { 412 drv->mInit(); 413 } 414} 415 416void rsdScriptInvokeFreeChildren(const Context *dc, Script *script) { 417 DrvScript *drv = (DrvScript *)script->mHal.drv; 418 419 if (drv->mFreeChildren) { 420 drv->mFreeChildren(); 421 } 422} 423 424void rsdScriptInvokeFunction(const Context *dc, Script *script, 425 uint32_t slot, 426 const void *params, 427 size_t paramLength) { 428 DrvScript *drv = (DrvScript *)script->mHal.drv; 429 //ALOGE("invoke %p %p %i %p %i", dc, script, slot, params, paramLength); 430 431 Script * oldTLS = setTLS(script); 432 reinterpret_cast<void (*)(const void *, uint32_t)>( 433 drv->mExecutable->getExportFuncAddrs()[slot])(params, paramLength); 434 setTLS(oldTLS); 435} 436 437void rsdScriptSetGlobalVar(const Context *dc, const Script *script, 438 uint32_t slot, void *data, size_t dataLength) { 439 DrvScript *drv = (DrvScript *)script->mHal.drv; 440 //rsAssert(!script->mFieldIsObject[slot]); 441 //ALOGE("setGlobalVar %p %p %i %p %i", dc, script, slot, data, dataLength); 442 443 if (drv->mIntrinsicID) { 444 drv->mIntrinsicFuncs.setVar(dc, script, drv->mIntrinsicData, slot, data, dataLength); 445 return; 446 } 447 448 int32_t *destPtr = reinterpret_cast<int32_t *>( 449 drv->mExecutable->getExportVarAddrs()[slot]); 450 if (!destPtr) { 451 //ALOGV("Calling setVar on slot = %i which is null", slot); 452 return; 453 } 454 455 memcpy(destPtr, data, dataLength); 456} 457 458void rsdScriptSetGlobalVarWithElemDims( 459 const android::renderscript::Context *dc, 460 const android::renderscript::Script *script, 461 uint32_t slot, void *data, size_t dataLength, 462 const android::renderscript::Element *elem, 463 const size_t *dims, size_t dimLength) { 464 DrvScript *drv = (DrvScript *)script->mHal.drv; 465 466 int32_t *destPtr = reinterpret_cast<int32_t *>( 467 drv->mExecutable->getExportVarAddrs()[slot]); 468 if (!destPtr) { 469 //ALOGV("Calling setVar on slot = %i which is null", slot); 470 return; 471 } 472 473 // We want to look at dimension in terms of integer components, 474 // but dimLength is given in terms of bytes. 475 dimLength /= sizeof(int); 476 477 // Only a single dimension is currently supported. 478 rsAssert(dimLength == 1); 479 if (dimLength == 1) { 480 // First do the increment loop. 481 size_t stride = elem->getSizeBytes(); 482 char *cVal = reinterpret_cast<char *>(data); 483 for (size_t i = 0; i < dims[0]; i++) { 484 elem->incRefs(cVal); 485 cVal += stride; 486 } 487 488 // Decrement loop comes after (to prevent race conditions). 489 char *oldVal = reinterpret_cast<char *>(destPtr); 490 for (size_t i = 0; i < dims[0]; i++) { 491 elem->decRefs(oldVal); 492 oldVal += stride; 493 } 494 } 495 496 memcpy(destPtr, data, dataLength); 497} 498 499void rsdScriptSetGlobalBind(const Context *dc, const Script *script, uint32_t slot, Allocation *data) { 500 DrvScript *drv = (DrvScript *)script->mHal.drv; 501 502 //rsAssert(!script->mFieldIsObject[slot]); 503 //ALOGE("setGlobalBind %p %p %i %p", dc, script, slot, data); 504 505 if (drv->mIntrinsicID) { 506 drv->mIntrinsicFuncs.bind(dc, script, drv->mIntrinsicData, slot, data); 507 return; 508 } 509 510 int32_t *destPtr = reinterpret_cast<int32_t *>( 511 drv->mExecutable->getExportVarAddrs()[slot]); 512 if (!destPtr) { 513 //ALOGV("Calling setVar on slot = %i which is null", slot); 514 return; 515 } 516 517 void *ptr = NULL; 518 drv->mBoundAllocs[slot] = data; 519 if(data) { 520 DrvAllocation *allocDrv = (DrvAllocation *)data->mHal.drv; 521 ptr = allocDrv->lod[0].mallocPtr; 522 } 523 memcpy(destPtr, &ptr, sizeof(void *)); 524} 525 526void rsdScriptSetGlobalObj(const Context *dc, const Script *script, uint32_t slot, ObjectBase *data) { 527 DrvScript *drv = (DrvScript *)script->mHal.drv; 528 //rsAssert(script->mFieldIsObject[slot]); 529 //ALOGE("setGlobalObj %p %p %i %p", dc, script, slot, data); 530 531 int32_t *destPtr = reinterpret_cast<int32_t *>( 532 drv->mExecutable->getExportVarAddrs()[slot]); 533 if (!destPtr) { 534 //ALOGV("Calling setVar on slot = %i which is null", slot); 535 return; 536 } 537 538 rsrSetObject(dc, script, (ObjectBase **)destPtr, data); 539} 540 541void rsdScriptDestroy(const Context *dc, Script *script) { 542 DrvScript *drv = (DrvScript *)script->mHal.drv; 543 544 if (drv == NULL) { 545 return; 546 } 547 548 if (drv->mExecutable) { 549 Vector<void *>::const_iterator var_addr_iter = 550 drv->mExecutable->getExportVarAddrs().begin(); 551 Vector<void *>::const_iterator var_addr_end = 552 drv->mExecutable->getExportVarAddrs().end(); 553 554 bcc::RSInfo::ObjectSlotListTy::const_iterator is_object_iter = 555 drv->mExecutable->getInfo().getObjectSlots().begin(); 556 bcc::RSInfo::ObjectSlotListTy::const_iterator is_object_end = 557 drv->mExecutable->getInfo().getObjectSlots().end(); 558 559 while ((var_addr_iter != var_addr_end) && 560 (is_object_iter != is_object_end)) { 561 // The field address can be NULL if the script-side has optimized 562 // the corresponding global variable away. 563 ObjectBase **obj_addr = 564 reinterpret_cast<ObjectBase **>(*var_addr_iter); 565 if (*is_object_iter) { 566 if (*var_addr_iter != NULL) { 567 rsrClearObject(dc, script, obj_addr); 568 } 569 } 570 var_addr_iter++; 571 is_object_iter++; 572 } 573 } 574 575 delete drv->mCompilerContext; 576 delete drv->mCompilerDriver; 577 delete drv->mExecutable; 578 delete[] drv->mBoundAllocs; 579 free(drv); 580 script->mHal.drv = NULL; 581} 582 583Allocation * rsdScriptGetAllocationForPointer(const android::renderscript::Context *dc, 584 const android::renderscript::Script *sc, 585 const void *ptr) { 586 DrvScript *drv = (DrvScript *)sc->mHal.drv; 587 if (!ptr) { 588 return NULL; 589 } 590 591 for (uint32_t ct=0; ct < sc->mHal.info.exportedVariableCount; ct++) { 592 Allocation *a = drv->mBoundAllocs[ct]; 593 if (!a) continue; 594 DrvAllocation *adrv = (DrvAllocation *)a->mHal.drv; 595 if (adrv->lod[0].mallocPtr == ptr) { 596 return a; 597 } 598 } 599 ALOGE("rsGetAllocation, failed to find %p", ptr); 600 return NULL; 601} 602 603