NVIDIA DriveWorks API: Core Methods
Description: This file defines the core methods of the SDK.
Definition in file Context.h.
Go to the source code of this file.
Data Structures | |
| struct | dwContextParameters |
| A set of parameters that is passed to the SDK to create the context. More... | |
| struct | dwCustomizedFileFunctions |
| Data structure representing a customized FileStream that can be passed in. More... | |
Typedefs | |
| typedef enum cudaDeviceAttr | cudaDeviceAttr |
| typedef void * | EGLDisplay |
| typedef struct dwContextObject * | dwContextHandle_t |
| Context handle. More... | |
| typedef struct dwContextObject const * | dwConstContextHandle_t |
| The Driveworks context handle. More... | |
| typedef struct dwModuleObject * | dwModuleHandle_t |
| The Generic Module Object Handle. More... | |
| typedef struct dwModuleObject const * | dwConstModuleHandle_t |
| typedef struct dwContextParameters | dwContextParameters |
| A set of parameters that is passed to the SDK to create the context. More... | |
| typedef void * | dwCustomizedFileHandle |
| FileStream function pointers handle. More... | |
| typedef void * | dwDLAHandleArray |
| cuDLA Device handle array pointer More... | |
| typedef struct dwCustomizedFileFunctions | dwCustomizedFileFunctions |
| Data structure representing a customized FileStream that can be passed in. More... | |
Enumerations | |
| enum | dwPTPStatus { DW_PTP_STATUS_NO_INIT_SYNC = 0, DW_PTP_STATUS_NO_ERROR, DW_PTP_STATUS_LOST_SYNC, DW_PTP_STATUS_INTERNAL_ERROR } |
| Defines PTP synchronization status. More... | |
Functions | |
| DW_API_PUBLIC dwStatus | dwContext_setCustomFileFunctions (dwContextHandle_t const context, dwCustomizedFileFunctions *const fileFunctionPtr) |
| Set the customized fileStream function pointers in context. More... | |
| DW_API_PUBLIC dwStatus | dwGetLastError (char8_t const **const errorMsg) |
| Retrieves the last error encountered. More... | |
| DW_API_PUBLIC dwStatus | dwGetLastCudaError (cudaError_t *const cudaError, char8_t const **const errorMsg) |
| Retrieves the last CUDA error encountered. More... | |
| DW_API_PUBLIC dwStatus | dwInitialize (dwContextHandle_t *const context, dwVersion const headerVersion, dwContextParameters const *const params) |
| Creates and initializes an SDK context. More... | |
| DW_API_PUBLIC dwStatus | dwRelease (dwContextHandle_t const context) |
| Releases the context. More... | |
| DW_API_PUBLIC dwStatus | dwContext_getCurrentTime (dwTime_t *const time, dwContextHandle_t const context) |
| Returns the current PTP timestamp. More... | |
| DW_API_PUBLIC dwStatus | dwContext_getCurrentTimeMono (dwTime_t *const time, dwContextHandle_t const context) |
| Returns the current monotonic timestamp. More... | |
| DW_API_PUBLIC dwStatus | dwContext_getCurrentTimeUTC (dwTime_t *const time, dwContextHandle_t const context) |
| Returns the current UTC timestamp. More... | |
| DW_API_PUBLIC dwStatus | dwContext_getTimeSource (dwTimeSourceHandle_t *const source, dwContextHandle_t const context) |
| Retrieve time source used in the context. More... | |
| DW_API_PUBLIC dwStatus | dwContext_isTimePTPSynchronized (bool *const flag, dwContextHandle_t const context) |
| Check if the used time source inside the context is synchronized over PTP. More... | |
| DW_API_PUBLIC dwStatus | dwContext_getTimePTPSynchronizationStatus (dwPTPStatus *const status, dwContextHandle_t const context) |
| Get the PTP synchronization status of time source inside the context. More... | |
| DW_API_PUBLIC dwStatus | dwContext_sleepMonotonic (dwTime_t const sleepTimeUs) |
| Sleep for a given time using a monotonic clock. More... | |
| DW_API_PUBLIC dwStatus | dwContext_selectGPUDevice (int32_t const deviceNumber, dwContextHandle_t const context) |
| Selects a GPU device, if available. More... | |
| DW_API_PUBLIC dwStatus | dwContext_getGPUDeviceCurrent (int32_t *const deviceNumber, dwContextHandle_t const context) |
| Returns the currently selected GPU device. More... | |
| DW_API_PUBLIC dwStatus | dwContext_getGPUCount (int32_t *const count, dwContextHandle_t const context) |
| Get the available GPU devices count. More... | |
| DW_API_PUBLIC dwStatus | dwContext_getGPUProperties (dwGPUDeviceProperties *const properties, int32_t const deviceNum, dwContextHandle_t const context) |
| Returns the properties for the specific CUDA device. More... | |
| DW_API_PUBLIC dwStatus | dwContext_getGPUAttribute (int32_t *const value, cudaDeviceAttr const attribute, int32_t const deviceNum, dwContextHandle_t const context) |
| Returns the value of the selected CUDA attribute for the specific CUDA device. More... | |
| DW_API_PUBLIC dwStatus | dwContext_getGPUArchitecture (char8_t const **const architecture, dwContextHandle_t const context) |
| Returns the architecture for the currently selected CUDA device. More... | |
| DW_API_PUBLIC dwStatus | dwContext_getCUDAProperties (int32_t *const driverVersion, int32_t *const apiVersion, dwContextHandle_t const context) |
| Returns Driver and Runtime API version of CUDA on the current machine. More... | |
| DW_API_PUBLIC dwStatus | dwContext_getCUDAStream (cudaStream_t *stream, uint32_t streamIndex, dwContextHandle_t const context) |
| Returns a preallocated CUDA stream. More... | |
| DW_API_PUBLIC dwStatus | dwContext_getGPUDeviceType (dwGPUDeviceType *const deviceType, int32_t const deviceNum, dwContextHandle_t const context) |
| Returns the device type of the input GPU number. More... | |
| DW_API_PUBLIC dwStatus | dwContext_getDLAEngineCount (int32_t *const count, dwContextHandle_t const context) |
| Get the available DLA engines count. More... | |
| DW_API_PUBLIC dwStatus | dwContext_setupCUDLA (uint16_t const *handleCountArray, uint16_t const handleCountArraySize, dwContextHandle_t const context) |
| Setup CUDLA, create CUDLA Engine handles per request. More... | |
| DW_API_PUBLIC dwStatus | dwContext_getCUDLADeviceHandleArray (dwDLAHandleArray *const cudlaDeviceHandleArray, uint16_t *const cudlaDeviceHandleCount, uint16_t const engineId, dwContextHandle_t const context) |
| Get the CUDLA Engine handles. More... | |
| DW_API_PUBLIC dwStatus | dwContext_getDataPath (char8_t const **const dataPath, dwContextHandle_t const context) |
| Gets the initial data path of the library that contains the driveworks context. More... | |
| DW_API_PUBLIC dwStatus | dwContext_getUseVirtualTime (bool *const useVirtualTime, dwContextHandle_t const ctx) |
| Check if in virtual time mode. More... | |
| DW_API_PUBLIC dwStatus | dwContext_getNvSciSyncModule (NvSciSyncModule *mod, dwContextHandle_t const context) |
| Get the NvSciSync module. More... | |
| DW_API_PUBLIC dwStatus | dwContext_getNvSciBufModule (NvSciBufModule *mod, dwContextHandle_t const context) |
| Get the nvscibuf module. More... | |
| DW_API_PUBLIC dwStatus | dwContext_getErrorSignal (dwErrorSignal *errorSignal, dwModuleHandle_t handle) |
| Get the module error signal. More... | |
| typedef enum cudaDeviceAttr cudaDeviceAttr |
| typedef void* EGLDisplay |