VXLIB_add.cpp

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/**********************************************************************************************************************/
/*                                                                                                                    */
/* INCLUDES                                                                                                           */
/*                                                                                                                    */
/**********************************************************************************************************************/
 
#include "VXLIB_add_priv.h"
 
/**********************************************************************************************************************/
/*                                                                                                                    */
/* VXLIB_add_getHandleSize                                                                                            */
/*                                                                                                                    */
/**********************************************************************************************************************/
 
// this method calculates and returns the size of the handle for the VXLIB_add kernel
int32_t VXLIB_add_getHandleSize(VXLIB_add_InitArgs *pKerInitArgs)
{
   int32_t privBufSize = sizeof(VXLIB_add_PrivArgs);
   return privBufSize;
}
 
/**********************************************************************************************************************/
/*                                                                                                                    */
/* VXLIB_add_init_checkParams                                                                                         */
/*                                                                                                                    */
/**********************************************************************************************************************/
 
// this method checks the initialization parameters for the VXLIB_add kernel
VXLIB_STATUS
VXLIB_add_init_checkParams(VXLIB_kernelHandle         handle,
                           const VXLIB_bufParams2D_t *bufParamsIn0,
                           const VXLIB_bufParams2D_t *bufParamsIn1,
                           const VXLIB_bufParams2D_t *bufParamsOut,
                           const VXLIB_add_InitArgs  *pKerInitArgs)
{
   VXLIB_STATUS status = VXLIB_SUCCESS;
 
   // obtain input0 buffer parameters
   uint32_t dTypeIn0  = bufParamsIn0->data_type;
   uint32_t widthIn0  = bufParamsIn0->dim_x;
   uint32_t heightIn0 = bufParamsIn0->dim_y;
 
   // obtain input1 buffer parameters
   uint32_t dTypeIn1  = bufParamsIn1->data_type;
   uint32_t widthIn1  = bufParamsIn1->dim_x;
   uint32_t heightIn1 = bufParamsIn1->dim_y;
 
   // obtain output buffer parameters
   uint32_t dTypeOut  = bufParamsOut->data_type;
   uint32_t widthOut  = bufParamsOut->dim_x;
   uint32_t heightOut = bufParamsOut->dim_y;
 
   uint32_t strideIn0Elements = bufParamsIn0->stride_y / VXLIB_sizeof(bufParamsIn0->data_type);
   uint32_t strideIn1Elements = bufParamsIn1->stride_y / VXLIB_sizeof(bufParamsIn1->data_type);
   uint32_t strideOutElements = bufParamsOut->stride_y / VXLIB_sizeof(bufParamsOut->data_type);
 
   // check for dimensions and datatype combinations
   if (handle == NULL) {
      status = VXLIB_ERR_NULL_POINTER;
   }
   else if ((widthIn0 != widthIn1) || (widthIn0 != widthOut) || (heightIn0 != heightIn1) || (heightIn0 != heightOut)) {
      status = VXLIB_ERR_INVALID_DIMENSION;
   }
   else if (strideIn0Elements < widthIn0 || strideIn1Elements < widthIn1 || strideOutElements < widthOut) {
      status = VXLIB_ERR_NOT_EQUAL_WIDTH_STRIDE;
   }
   else if (!(VXLIB_ADD_I8U_I8U_O8U) && !(VXLIB_ADD_I8U_I8U_O16S) && !(VXLIB_ADD_I8U_I16S_O16S) &&
            !(VXLIB_ADD_I16S_I16S_O16S)) {
      status = VXLIB_ERR_INVALID_TYPE;
   }
   else {
      status = VXLIB_SUCCESS;
   }
 
   return status;
}
 
/**********************************************************************************************************************/
/*                                                                                                                    */
/* VXLIB_add_exec_checkParams                                                                                         */
/*                                                                                                                    */
/**********************************************************************************************************************/
 
// this method checks the execution parameters for the VXLIB_add kernel
VXLIB_STATUS VXLIB_add_exec_checkParams(VXLIB_kernelHandle handle,
                                        const void *restrict pIn0,
                                        const void *restrict pIn1,
                                        const void *restrict pOut)
{
   VXLIB_STATUS status;
 
#if VXLIB_DEBUGPRINT
   printf("Enter VXLIB_add_exec_checkParams\n");
#endif
   if ((handle == NULL) || (pIn0 == NULL) || (pIn1 == NULL) || (pOut == NULL)) {
      status = VXLIB_ERR_NULL_POINTER;
   }
   else {
      status = VXLIB_SUCCESS;
   }
 
   return status;
}
 
/**********************************************************************************************************************/
/*                                                                                                                    */
/* VXLIB_add_init                                                                                                     */
/*                                                                                                                    */
/**********************************************************************************************************************/
 
// this method is the user-level initialization function for the VXLIB_add kernel
VXLIB_STATUS VXLIB_add_init(VXLIB_kernelHandle        handle,
                            VXLIB_bufParams2D_t      *bufParamsIn0,
                            VXLIB_bufParams2D_t      *bufParamsIn1,
                            VXLIB_bufParams2D_t      *bufParamsOut,
                            const VXLIB_add_InitArgs *pKerInitArgs)
{
   VXLIB_STATUS        status       = VXLIB_SUCCESS;
   VXLIB_add_PrivArgs *pKerPrivArgs = (VXLIB_add_PrivArgs *) handle;
 
   // copy pKerinitArgs into pKerPrivargs
   pKerPrivArgs->pKerInitArgs = *pKerInitArgs;
 
   // set width and height of image
   pKerPrivArgs->width  = bufParamsIn0->dim_x;
   pKerPrivArgs->height = bufParamsIn0->dim_y;
 
   // compute stride in elements as SE/SA params are set to work with given element type
   pKerPrivArgs->strideIn0Elements = bufParamsIn0->stride_y / VXLIB_sizeof(bufParamsIn0->data_type);
   pKerPrivArgs->strideIn1Elements = bufParamsIn1->stride_y / VXLIB_sizeof(bufParamsIn1->data_type);
   pKerPrivArgs->strideOutElements = bufParamsOut->stride_y / VXLIB_sizeof(bufParamsOut->data_type);
 
#if VXLIB_DEBUGPRINT
   printf("VXLIB_DEBUGPRINT Enter VXLIB_add_init\n");
#endif
 
   // obtain buffer datatypes
   uint32_t dTypeIn0 = bufParamsIn0->data_type;
   uint32_t dTypeIn1 = bufParamsIn1->data_type;
   uint32_t dTypeOut = bufParamsOut->data_type;
 
   // determine natural C  vs optimized function call
   if (pKerInitArgs->funcStyle == VXLIB_FUNCTION_NATC) {
 
      // set function pointer for natural C function with appropriate template parameters based on datatypes
      if (VXLIB_ADD_I8U_I8U_O8U) {
         pKerPrivArgs->execute = VXLIB_add_exec_cn<VXLIB_ADD_TYPENAME_I8U_I8U_O8U>;
      }
      else if (VXLIB_ADD_I8U_I8U_O16S) {
         pKerPrivArgs->execute = VXLIB_add_exec_cn<VXLIB_ADD_TYPENAME_I8U_I8U_O16S>;
      }
      else if (VXLIB_ADD_I8U_I16S_O16S) {
         pKerPrivArgs->execute = VXLIB_add_exec_cn<VXLIB_ADD_TYPENAME_I8U_I16S_O16S>;
      }
      else if (VXLIB_ADD_I16S_I16S_O16S) {
         pKerPrivArgs->execute = VXLIB_add_exec_cn<VXLIB_ADD_TYPENAME_I16S_I16S_O16S>;
      }
      else {
         status = VXLIB_ERR_INVALID_TYPE;
      }
   }
   else { // Optimized function
 
      // set function pointer for natural C function with appropriate template parameters based on datatypes
      if (VXLIB_ADD_I8U_I8U_O8U) {
         pKerPrivArgs->execute = VXLIB_add_exec_ci<VXLIB_ADD_TYPENAME_I8U_I8U_O8U>;
         status = VXLIB_add_init_ci<VXLIB_ADD_DTYPE_I8U_I8U_O8U>(handle, bufParamsIn0, bufParamsIn1, bufParamsOut,
                                                                 pKerInitArgs);
      }
      else if (VXLIB_ADD_I8U_I8U_O16S) {
         pKerPrivArgs->execute = VXLIB_add_exec_ci<VXLIB_ADD_TYPENAME_I8U_I8U_O16S>;
         status = VXLIB_add_init_ci<VXLIB_ADD_DTYPE_I8U_I8U_O16S>(handle, bufParamsIn0, bufParamsIn1, bufParamsOut,
                                                                  pKerInitArgs);
      }
      else if (VXLIB_ADD_I8U_I16S_O16S) {
         pKerPrivArgs->execute = VXLIB_add_exec_ci<VXLIB_ADD_TYPENAME_I8U_I16S_O16S>;
         status = VXLIB_add_init_ci<VXLIB_ADD_DTYPE_I8U_I16S_O16S>(handle, bufParamsIn0, bufParamsIn1, bufParamsOut,
                                                                   pKerInitArgs);
      }
      else if (VXLIB_ADD_I16S_I16S_O16S) {
         pKerPrivArgs->execute = VXLIB_add_exec_ci<VXLIB_ADD_TYPENAME_I16S_I16S_O16S>;
         status = VXLIB_add_init_ci<VXLIB_ADD_DTYPE_I16S_I16S_O16S>(handle, bufParamsIn0, bufParamsIn1, bufParamsOut,
                                                                    pKerInitArgs);
      }
      else {
         status = VXLIB_ERR_INVALID_TYPE;
      }
   }
 
   return status;
}
 
/**********************************************************************************************************************/
/*                                                                                                                    */
/* VXLIB_add_exec                                                                                                     */
/*                                                                                                                    */
/**********************************************************************************************************************/
 
// this method is the user-level execution function for the VXLIB_add kernel
VXLIB_STATUS VXLIB_add_exec(VXLIB_kernelHandle handle, void *restrict pIn0, void *restrict pIn1, void *restrict pOut)
{
   VXLIB_STATUS status;
 
#if VXLIB_DEBUGPRINT
   printf("VXLIB_DEBUGPRINT Enter VXLIB_add_exec\n");
#endif
 
   VXLIB_add_PrivArgs *pKerPrivArgs = (VXLIB_add_PrivArgs *) handle;
 
   status = pKerPrivArgs->execute(handle, pIn0, pIn1, pOut);
 
   return status;
}