| /* |
| * Copyright (C) 2013 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <malloc.h> |
| #include <string.h> |
| #include <pthread.h> |
| |
| #include "RenderScript.h" |
| #include "rsCppStructs.h" |
| #include "rsCppInternal.h" |
| |
| #include <dlfcn.h> |
| |
| #if !defined(RS_SERVER) && defined(HAVE_ANDROID_OS) |
| #include <cutils/properties.h> |
| #endif |
| |
| using namespace android; |
| using namespace RSC; |
| |
| bool RS::gInitialized = false; |
| bool RS::usingNative = false; |
| pthread_mutex_t RS::gInitMutex = PTHREAD_MUTEX_INITIALIZER; |
| dispatchTable* RS::dispatch = NULL; |
| static int gInitError = 0; |
| |
| RS::RS() { |
| mDev = NULL; |
| mContext = NULL; |
| mErrorFunc = NULL; |
| mMessageFunc = NULL; |
| mMessageRun = false; |
| mInit = false; |
| mCurrentError = RS_SUCCESS; |
| |
| memset(&mElements, 0, sizeof(mElements)); |
| memset(&mSamplers, 0, sizeof(mSamplers)); |
| } |
| |
| RS::~RS() { |
| if (mInit == true) { |
| mMessageRun = false; |
| |
| RS::dispatch->ContextDeinitToClient(mContext); |
| |
| void *res = NULL; |
| int status = pthread_join(mMessageThreadId, &res); |
| |
| RS::dispatch->ContextDestroy(mContext); |
| mContext = NULL; |
| RS::dispatch->DeviceDestroy(mDev); |
| mDev = NULL; |
| } |
| } |
| |
| bool RS::init(uint32_t flags) { |
| return RS::init(RS_VERSION, flags); |
| } |
| |
| static bool loadSymbols(void* handle) { |
| |
| RS::dispatch->AllocationGetType = (AllocationGetTypeFnPtr)dlsym(handle, "rsaAllocationGetType"); |
| if (RS::dispatch->AllocationGetType == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->AllocationGetType"); |
| return false; |
| } |
| RS::dispatch->TypeGetNativeData = (TypeGetNativeDataFnPtr)dlsym(handle, "rsaTypeGetNativeData"); |
| if (RS::dispatch->TypeGetNativeData == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->TypeGetNativeData"); |
| return false; |
| } |
| RS::dispatch->ElementGetNativeData = (ElementGetNativeDataFnPtr)dlsym(handle, "rsaElementGetNativeData"); |
| if (RS::dispatch->ElementGetNativeData == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->ElementGetNativeData"); |
| return false; |
| } |
| RS::dispatch->ElementGetSubElements = (ElementGetSubElementsFnPtr)dlsym(handle, "rsaElementGetSubElements"); |
| if (RS::dispatch->ElementGetSubElements == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->ElementGetSubElements"); |
| return false; |
| } |
| RS::dispatch->DeviceCreate = (DeviceCreateFnPtr)dlsym(handle, "rsDeviceCreate"); |
| if (RS::dispatch->DeviceCreate == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->DeviceCreate"); |
| return false; |
| } |
| RS::dispatch->DeviceDestroy = (DeviceDestroyFnPtr)dlsym(handle, "rsDeviceDestroy"); |
| if (RS::dispatch->DeviceDestroy == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->DeviceDestroy"); |
| return false; |
| } |
| RS::dispatch->DeviceSetConfig = (DeviceSetConfigFnPtr)dlsym(handle, "rsDeviceSetConfig"); |
| if (RS::dispatch->DeviceSetConfig == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->DeviceSetConfig"); |
| return false; |
| } |
| RS::dispatch->ContextCreate = (ContextCreateFnPtr)dlsym(handle, "rsContextCreate");; |
| if (RS::dispatch->ContextCreate == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->ContextCreate"); |
| return false; |
| } |
| RS::dispatch->GetName = (GetNameFnPtr)dlsym(handle, "rsaGetName");; |
| if (RS::dispatch->GetName == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->GetName"); |
| return false; |
| } |
| RS::dispatch->ContextDestroy = (ContextDestroyFnPtr)dlsym(handle, "rsContextDestroy"); |
| if (RS::dispatch->ContextDestroy == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->ContextDestroy"); |
| return false; |
| } |
| RS::dispatch->ContextGetMessage = (ContextGetMessageFnPtr)dlsym(handle, "rsContextGetMessage"); |
| if (RS::dispatch->ContextGetMessage == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->ContextGetMessage"); |
| return false; |
| } |
| RS::dispatch->ContextPeekMessage = (ContextPeekMessageFnPtr)dlsym(handle, "rsContextPeekMessage"); |
| if (RS::dispatch->ContextPeekMessage == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->ContextPeekMessage"); |
| return false; |
| } |
| RS::dispatch->ContextSendMessage = (ContextSendMessageFnPtr)dlsym(handle, "rsContextSendMessage"); |
| if (RS::dispatch->ContextSendMessage == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->ContextSendMessage"); |
| return false; |
| } |
| RS::dispatch->ContextInitToClient = (ContextInitToClientFnPtr)dlsym(handle, "rsContextInitToClient"); |
| if (RS::dispatch->ContextInitToClient == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->ContextInitToClient"); |
| return false; |
| } |
| RS::dispatch->ContextDeinitToClient = (ContextDeinitToClientFnPtr)dlsym(handle, "rsContextDeinitToClient"); |
| if (RS::dispatch->ContextDeinitToClient == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->ContextDeinitToClient"); |
| return false; |
| } |
| RS::dispatch->TypeCreate = (TypeCreateFnPtr)dlsym(handle, "rsTypeCreate"); |
| if (RS::dispatch->TypeCreate == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->TypeCreate"); |
| return false; |
| } |
| RS::dispatch->AllocationCreateTyped = (AllocationCreateTypedFnPtr)dlsym(handle, "rsAllocationCreateTyped"); |
| if (RS::dispatch->AllocationCreateTyped == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->AllocationCreateTyped"); |
| return false; |
| } |
| RS::dispatch->AllocationCreateFromBitmap = (AllocationCreateFromBitmapFnPtr)dlsym(handle, "rsAllocationCreateFromBitmap"); |
| if (RS::dispatch->AllocationCreateFromBitmap == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->AllocationCreateFromBitmap"); |
| return false; |
| } |
| RS::dispatch->AllocationCubeCreateFromBitmap = (AllocationCubeCreateFromBitmapFnPtr)dlsym(handle, "rsAllocationCubeCreateFromBitmap"); |
| if (RS::dispatch->AllocationCubeCreateFromBitmap == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->AllocationCubeCreateFromBitmap"); |
| return false; |
| } |
| RS::dispatch->AllocationGetSurface = (AllocationGetSurfaceFnPtr)dlsym(handle, "rsAllocationGetSurface"); |
| if (RS::dispatch->AllocationGetSurface == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->AllocationGetSurface"); |
| return false; |
| } |
| RS::dispatch->AllocationSetSurface = (AllocationSetSurfaceFnPtr)dlsym(handle, "rsAllocationSetSurface"); |
| if (RS::dispatch->AllocationSetSurface == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->AllocationSetSurface"); |
| return false; |
| } |
| RS::dispatch->ContextFinish = (ContextFinishFnPtr)dlsym(handle, "rsContextFinish"); |
| if (RS::dispatch->ContextFinish == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->ContextFinish"); |
| return false; |
| } |
| RS::dispatch->ContextDump = (ContextDumpFnPtr)dlsym(handle, "rsContextDump"); |
| if (RS::dispatch->ContextDump == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->ContextDump"); |
| return false; |
| } |
| RS::dispatch->ContextSetPriority = (ContextSetPriorityFnPtr)dlsym(handle, "rsContextSetPriority"); |
| if (RS::dispatch->ContextSetPriority == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->ContextSetPriority"); |
| return false; |
| } |
| RS::dispatch->AssignName = (AssignNameFnPtr)dlsym(handle, "rsAssignName"); |
| if (RS::dispatch->AssignName == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->AssignName"); |
| return false; |
| } |
| RS::dispatch->ObjDestroy = (ObjDestroyFnPtr)dlsym(handle, "rsObjDestroy"); |
| if (RS::dispatch->ObjDestroy == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->ObjDestroy"); |
| return false; |
| } |
| RS::dispatch->ElementCreate = (ElementCreateFnPtr)dlsym(handle, "rsElementCreate"); |
| if (RS::dispatch->ElementCreate == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->ElementCreate"); |
| return false; |
| } |
| RS::dispatch->ElementCreate2 = (ElementCreate2FnPtr)dlsym(handle, "rsElementCreate2"); |
| if (RS::dispatch->ElementCreate2 == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->ElementCreate2"); |
| return false; |
| } |
| RS::dispatch->AllocationCopyToBitmap = (AllocationCopyToBitmapFnPtr)dlsym(handle, "rsAllocationCopyToBitmap"); |
| if (RS::dispatch->AllocationCopyToBitmap == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->AllocationCopyToBitmap"); |
| return false; |
| } |
| RS::dispatch->Allocation1DData = (Allocation1DDataFnPtr)dlsym(handle, "rsAllocation1DData"); |
| if (RS::dispatch->Allocation1DData == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->Allocation1DData"); |
| return false; |
| } |
| RS::dispatch->Allocation1DElementData = (Allocation1DElementDataFnPtr)dlsym(handle, "rsAllocation1DElementData"); |
| if (RS::dispatch->Allocation1DElementData == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->Allocation1DElementData"); |
| return false; |
| } |
| RS::dispatch->Allocation2DData = (Allocation2DDataFnPtr)dlsym(handle, "rsAllocation2DData"); |
| if (RS::dispatch->Allocation2DData == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->Allocation2DData"); |
| return false; |
| } |
| RS::dispatch->Allocation3DData = (Allocation3DDataFnPtr)dlsym(handle, "rsAllocation3DData"); |
| if (RS::dispatch->Allocation3DData == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->Allocation3DData"); |
| return false; |
| } |
| RS::dispatch->AllocationGenerateMipmaps = (AllocationGenerateMipmapsFnPtr)dlsym(handle, "rsAllocationGenerateMipmaps"); |
| if (RS::dispatch->AllocationGenerateMipmaps == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->AllocationGenerateMipmaps"); |
| return false; |
| } |
| RS::dispatch->AllocationRead = (AllocationReadFnPtr)dlsym(handle, "rsAllocationRead"); |
| if (RS::dispatch->AllocationRead == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->AllocationRead"); |
| return false; |
| } |
| RS::dispatch->Allocation1DRead = (Allocation1DReadFnPtr)dlsym(handle, "rsAllocation1DRead"); |
| if (RS::dispatch->Allocation1DRead == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->Allocation1DRead"); |
| return false; |
| } |
| RS::dispatch->Allocation2DRead = (Allocation2DReadFnPtr)dlsym(handle, "rsAllocation2DRead"); |
| if (RS::dispatch->Allocation2DRead == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->Allocation2DRead"); |
| return false; |
| } |
| RS::dispatch->AllocationSyncAll = (AllocationSyncAllFnPtr)dlsym(handle, "rsAllocationSyncAll"); |
| if (RS::dispatch->AllocationSyncAll == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->AllocationSyncAll"); |
| return false; |
| } |
| RS::dispatch->AllocationResize1D = (AllocationResize1DFnPtr)dlsym(handle, "rsAllocationResize1D"); |
| if (RS::dispatch->AllocationResize1D == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->AllocationResize1D"); |
| return false; |
| } |
| RS::dispatch->AllocationCopy2DRange = (AllocationCopy2DRangeFnPtr)dlsym(handle, "rsAllocationCopy2DRange"); |
| if (RS::dispatch->AllocationCopy2DRange == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->AllocationCopy2DRange"); |
| return false; |
| } |
| RS::dispatch->AllocationCopy3DRange = (AllocationCopy3DRangeFnPtr)dlsym(handle, "rsAllocationCopy3DRange"); |
| if (RS::dispatch->AllocationCopy3DRange == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->AllocationCopy3DRange"); |
| return false; |
| } |
| RS::dispatch->SamplerCreate = (SamplerCreateFnPtr)dlsym(handle, "rsSamplerCreate"); |
| if (RS::dispatch->SamplerCreate == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->SamplerCreate"); |
| return false; |
| } |
| RS::dispatch->ScriptBindAllocation = (ScriptBindAllocationFnPtr)dlsym(handle, "rsScriptBindAllocation"); |
| if (RS::dispatch->ScriptBindAllocation == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->ScriptBindAllocation"); |
| return false; |
| } |
| RS::dispatch->ScriptSetTimeZone = (ScriptSetTimeZoneFnPtr)dlsym(handle, "rsScriptSetTimeZone"); |
| if (RS::dispatch->ScriptSetTimeZone == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->ScriptSetTimeZone"); |
| return false; |
| } |
| RS::dispatch->ScriptInvoke = (ScriptInvokeFnPtr)dlsym(handle, "rsScriptInvoke"); |
| if (RS::dispatch->ScriptInvoke == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->ScriptInvoke"); |
| return false; |
| } |
| RS::dispatch->ScriptInvokeV = (ScriptInvokeVFnPtr)dlsym(handle, "rsScriptInvokeV"); |
| if (RS::dispatch->ScriptInvokeV == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->ScriptInvokeV"); |
| return false; |
| } |
| RS::dispatch->ScriptForEach = (ScriptForEachFnPtr)dlsym(handle, "rsScriptForEach"); |
| if (RS::dispatch->ScriptForEach == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->ScriptForEach"); |
| return false; |
| } |
| RS::dispatch->ScriptSetVarI = (ScriptSetVarIFnPtr)dlsym(handle, "rsScriptSetVarI"); |
| if (RS::dispatch->ScriptSetVarI == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->ScriptSetVarI"); |
| return false; |
| } |
| RS::dispatch->ScriptSetVarObj = (ScriptSetVarObjFnPtr)dlsym(handle, "rsScriptSetVarObj"); |
| if (RS::dispatch->ScriptSetVarObj == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->ScriptSetVarObj"); |
| return false; |
| } |
| RS::dispatch->ScriptSetVarJ = (ScriptSetVarJFnPtr)dlsym(handle, "rsScriptSetVarJ"); |
| if (RS::dispatch->ScriptSetVarJ == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->ScriptSetVarJ"); |
| return false; |
| } |
| RS::dispatch->ScriptSetVarF = (ScriptSetVarFFnPtr)dlsym(handle, "rsScriptSetVarF"); |
| if (RS::dispatch->ScriptSetVarF == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->ScriptSetVarF"); |
| return false; |
| } |
| RS::dispatch->ScriptSetVarD = (ScriptSetVarDFnPtr)dlsym(handle, "rsScriptSetVarD"); |
| if (RS::dispatch->ScriptSetVarD == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->ScriptSetVarD"); |
| return false; |
| } |
| RS::dispatch->ScriptSetVarV = (ScriptSetVarVFnPtr)dlsym(handle, "rsScriptSetVarV"); |
| if (RS::dispatch->ScriptSetVarV == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->ScriptSetVarV"); |
| return false; |
| } |
| RS::dispatch->ScriptGetVarV = (ScriptGetVarVFnPtr)dlsym(handle, "rsScriptGetVarV"); |
| if (RS::dispatch->ScriptGetVarV == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->ScriptGetVarV"); |
| return false; |
| } |
| RS::dispatch->ScriptSetVarVE = (ScriptSetVarVEFnPtr)dlsym(handle, "rsScriptSetVarVE"); |
| if (RS::dispatch->ScriptSetVarVE == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->ScriptSetVarVE"); |
| return false; |
| } |
| RS::dispatch->ScriptCCreate = (ScriptCCreateFnPtr)dlsym(handle, "rsScriptCCreate"); |
| if (RS::dispatch->ScriptCCreate == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->ScriptCCreate"); |
| return false; |
| } |
| RS::dispatch->ScriptIntrinsicCreate = (ScriptIntrinsicCreateFnPtr)dlsym(handle, "rsScriptIntrinsicCreate"); |
| if (RS::dispatch->ScriptIntrinsicCreate == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->ScriptIntrinsicCreate"); |
| return false; |
| } |
| RS::dispatch->ScriptKernelIDCreate = (ScriptKernelIDCreateFnPtr)dlsym(handle, "rsScriptKernelIDCreate"); |
| if (RS::dispatch->ScriptKernelIDCreate == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->ScriptKernelIDCreate"); |
| return false; |
| } |
| RS::dispatch->ScriptFieldIDCreate = (ScriptFieldIDCreateFnPtr)dlsym(handle, "rsScriptFieldIDCreate"); |
| if (RS::dispatch->ScriptFieldIDCreate == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->ScriptFieldIDCreate"); |
| return false; |
| } |
| RS::dispatch->ScriptGroupCreate = (ScriptGroupCreateFnPtr)dlsym(handle, "rsScriptGroupCreate"); |
| if (RS::dispatch->ScriptGroupCreate == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->ScriptGroupCreate"); |
| return false; |
| } |
| RS::dispatch->ScriptGroupSetOutput = (ScriptGroupSetOutputFnPtr)dlsym(handle, "rsScriptGroupSetOutput"); |
| if (RS::dispatch->ScriptGroupSetOutput == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->ScriptGroupSetOutput"); |
| return false; |
| } |
| RS::dispatch->ScriptGroupSetInput = (ScriptGroupSetInputFnPtr)dlsym(handle, "rsScriptGroupSetInput"); |
| if (RS::dispatch->ScriptGroupSetInput == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->ScriptGroupSetInput"); |
| return false; |
| } |
| RS::dispatch->ScriptGroupExecute = (ScriptGroupExecuteFnPtr)dlsym(handle, "rsScriptGroupExecute"); |
| if (RS::dispatch->ScriptGroupExecute == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->ScriptGroupExecute"); |
| return false; |
| } |
| RS::dispatch->AllocationIoSend = (AllocationIoSendFnPtr)dlsym(handle, "rsAllocationIoSend"); |
| if (RS::dispatch->AllocationIoSend == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->AllocationIoSend"); |
| return false; |
| } |
| RS::dispatch->AllocationIoReceive = (AllocationIoReceiveFnPtr)dlsym(handle, "rsAllocationIoReceive"); |
| if (RS::dispatch->AllocationIoReceive == NULL) { |
| ALOGE("Couldn't initialize RS::dispatch->AllocationIoReceive"); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| // this will only open API 19+ libRS |
| // because that's when we changed libRS to extern "C" entry points |
| static bool loadSO(const char* filename) { |
| void* handle = dlopen(filename, RTLD_LAZY | RTLD_LOCAL); |
| if (handle == NULL) { |
| ALOGE("couldn't dlopen %s, %s", filename, dlerror()); |
| return false; |
| } |
| |
| if (loadSymbols(handle) == false) { |
| ALOGE("%s init failed!", filename); |
| return false; |
| } |
| //ALOGE("Successfully loaded %s", filename); |
| return true; |
| } |
| |
| static uint32_t getProp(const char *str) { |
| #if !defined(RS_SERVER) && defined(HAVE_ANDROID_OS) |
| char buf[256]; |
| property_get(str, buf, "0"); |
| return atoi(buf); |
| #else |
| return 0; |
| #endif |
| } |
| |
| bool RS::initDispatch(int targetApi) { |
| pthread_mutex_lock(&gInitMutex); |
| if (gInitError) { |
| goto error; |
| } else if (gInitialized) { |
| pthread_mutex_unlock(&gInitMutex); |
| return true; |
| } |
| |
| RS::dispatch = new dispatchTable; |
| |
| // attempt to load libRS, load libRSSupport on failure |
| // if property is set, proceed directly to libRSSupport |
| if (getProp("debug.rs.forcecompat") == 0) { |
| usingNative = loadSO("libRS.so"); |
| } |
| if (usingNative == false) { |
| if (loadSO("libRSSupport.so") == false) { |
| ALOGE("Failed to load libRS.so and libRSSupport.so"); |
| goto error; |
| } |
| } |
| |
| gInitialized = true; |
| |
| pthread_mutex_unlock(&gInitMutex); |
| return true; |
| |
| error: |
| gInitError = 1; |
| pthread_mutex_unlock(&gInitMutex); |
| return false; |
| } |
| |
| bool RS::init(int targetApi, uint32_t flags) { |
| if (initDispatch(targetApi) == false) { |
| ALOGE("Couldn't initialize dispatch table"); |
| return false; |
| } |
| |
| mDev = RS::dispatch->DeviceCreate(); |
| if (mDev == 0) { |
| ALOGE("Device creation failed"); |
| return false; |
| } |
| |
| if (flags >= RS_CONTEXT_MAX) { |
| ALOGE("Invalid flags passed"); |
| return false; |
| } |
| |
| mContext = RS::dispatch->ContextCreate(mDev, 0, targetApi, RS_CONTEXT_TYPE_NORMAL, flags); |
| if (mContext == 0) { |
| ALOGE("Context creation failed"); |
| return false; |
| } |
| |
| pid_t mNativeMessageThreadId; |
| |
| int status = pthread_create(&mMessageThreadId, NULL, threadProc, this); |
| if (status) { |
| ALOGE("Failed to start RS message thread."); |
| return false; |
| } |
| // Wait for the message thread to be active. |
| while (!mMessageRun) { |
| usleep(1000); |
| } |
| |
| mInit = true; |
| |
| return true; |
| } |
| |
| void RS::throwError(RSError error, const char *errMsg) { |
| if (mCurrentError == RS_SUCCESS) { |
| mCurrentError = error; |
| ALOGE("RS CPP error: %s", errMsg); |
| } else { |
| ALOGE("RS CPP error (masked by previous error): %s", errMsg); |
| } |
| } |
| |
| RSError RS::getError() { |
| return mCurrentError; |
| } |
| |
| |
| void * RS::threadProc(void *vrsc) { |
| RS *rs = static_cast<RS *>(vrsc); |
| size_t rbuf_size = 256; |
| void * rbuf = malloc(rbuf_size); |
| |
| RS::dispatch->ContextInitToClient(rs->mContext); |
| rs->mMessageRun = true; |
| |
| while (rs->mMessageRun) { |
| size_t receiveLen = 0; |
| uint32_t usrID = 0; |
| uint32_t subID = 0; |
| RsMessageToClientType r = RS::dispatch->ContextPeekMessage(rs->mContext, |
| &receiveLen, sizeof(receiveLen), |
| &usrID, sizeof(usrID)); |
| |
| if (receiveLen >= rbuf_size) { |
| rbuf_size = receiveLen + 32; |
| rbuf = realloc(rbuf, rbuf_size); |
| } |
| if (!rbuf) { |
| ALOGE("RS::message handler realloc error %zu", rbuf_size); |
| // No clean way to recover now? |
| } |
| RS::dispatch->ContextGetMessage(rs->mContext, rbuf, rbuf_size, &receiveLen, sizeof(receiveLen), |
| &subID, sizeof(subID)); |
| |
| switch(r) { |
| case RS_MESSAGE_TO_CLIENT_ERROR: |
| ALOGE("RS Error %s", (const char *)rbuf); |
| rs->throwError(RS_ERROR_RUNTIME_ERROR, "Error returned from runtime"); |
| if(rs->mMessageFunc != NULL) { |
| rs->mErrorFunc(usrID, (const char *)rbuf); |
| } |
| break; |
| case RS_MESSAGE_TO_CLIENT_NONE: |
| case RS_MESSAGE_TO_CLIENT_EXCEPTION: |
| case RS_MESSAGE_TO_CLIENT_RESIZE: |
| // teardown. But we want to avoid starving other threads during |
| // teardown by yielding until the next line in the destructor can |
| // execute to set mRun = false. Note that the FIFO sends an |
| // empty NONE message when it reaches its destructor. |
| usleep(1000); |
| break; |
| case RS_MESSAGE_TO_CLIENT_USER: |
| if(rs->mMessageFunc != NULL) { |
| rs->mMessageFunc(usrID, rbuf, receiveLen); |
| } else { |
| ALOGE("Received a message from the script with no message handler installed."); |
| } |
| break; |
| |
| default: |
| ALOGE("RS unknown message type %i", r); |
| } |
| } |
| |
| if (rbuf) { |
| free(rbuf); |
| } |
| ALOGE("RS Message thread exiting."); |
| return NULL; |
| } |
| |
| void RS::setErrorHandler(ErrorHandlerFunc_t func) { |
| mErrorFunc = func; |
| } |
| |
| void RS::setMessageHandler(MessageHandlerFunc_t func) { |
| mMessageFunc = func; |
| } |
| |
| void RS::finish() { |
| RS::dispatch->ContextFinish(mContext); |
| } |
