DVP_Error_e ocl_Scharr8(ocl_t *ocl, DVP_Image_t *pInput, DVP_Image_t *pOutput)
{
DVP_PRINT(DVP_ZONE_API, "OCL: %p (env=%p) SCHARR in %p out %p\n", ocl, ocl->env, pInput, pOutput);
if (ocl && ocl->env)
{
cl_char operator[2][3][3] = { { {3,10,3}, {0,0,0}, {-3,-10,-3} }, { {3,0,-3}, {10,0,-10}, {3,0,-3} } };
cl_uint limit = 255;
cl_uint range = range_of_operator((cl_char *)operator, 3, limit);
cl_int err = imgfilter1d_opt(ocl->env,
pInput->width,
pInput->height,
pInput->pData[0],
pInput->y_stride,
pOutput->pData[0],
pOutput->y_stride,
(cl_char *)operator,
3,
range,limit);
return DVP_SUCCESS;
}
return DVP_ERROR_INVALID_PARAMETER;
}
int main(int argc, char *argv[])
{
if (argc >= 5)
{
FILE *fi = NULL;
FILE *fo = NULL;
cl_uint width = atoi(argv[2]);
cl_uint height = atoi(argv[3]);
cl_int err = CL_SUCCESS;
#ifdef CL_BUILD_RUNTIME
cl_environment_t *pEnv = clCreateEnvironment(KDIR"kernel_imgfilter.cl", CL_DEVICE_TYPE_GPU, 2, notify, CL_ARGS);
#else
cl_environment_t *pEnv = clCreateEnvironmentFromBins(&gKernelBins, notify, CL_ARGS);
#endif
if (!pEnv)
{
clDeleteEnvironment(pEnv);
return -1;
}
clPrintAllKernelInfo(pEnv->kernels[0]);
fi = fopen(argv[1], "rb");
fo = fopen(argv[4], "wb+");
if (fi && fo)
{
cl_char sobel[2][3][3] = { { {1,2,1}, {0,0,0}, {-1,-2,-1} }, { {-1,0,1}, {-2,0,2}, {-1,0,1} } };
size_t numBytes = width * height * sizeof(unsigned char);
cl_uchar *input_image = (cl_uchar *)malloc(numBytes);
cl_uchar *output_image = (cl_uchar *)malloc(numBytes);
clock_t c_start, c_diff;
cl_uint limit = 255;
cl_uint range = range_of_operator((cl_char *)sobel, 3, limit);
printf("Range of Sobel = %u, Limit = %u\n",range,limit);
do {
numBytes = fread(input_image, 1, numBytes, fi);
if (numBytes == 0)
break;
c_start = clock();
err = imgfilter1d_opt(pEnv, width, height,
input_image, width,
output_image, width,
(cl_char *)sobel, 3,
range, limit);
c_diff = clock() - c_start;
printf("Sobel took %lu ticks\n", c_diff);
numBytes = fwrite(output_image, 1, numBytes, fo);
} while (err == CL_SUCCESS);
free(input_image);
free(output_image);
fclose(fi);
fclose(fo);
}
clDeleteEnvironment(pEnv);
}
else
{
printf("%s <filename> <width> <height> <outfile>\n",argv[0]);
}
return 0;
}