char* load_source_file(const char* file_name){
char* source = NULL;
FILE* f;
struct stat statbuf;
f = fopen(file_name, "rb");
if (!f){
printf("OpenCL kernel file \"%s\" not found!", file_name);
ocl_clean_up();
exit(1);
}
stat(file_name, &statbuf);
source = (char*)malloc(statbuf.st_size + 1);
fread(source, statbuf.st_size + 1, 1, f);
source[statbuf.st_size] = '\0';
return source;
}
// Main function
// *********************************************************************
int main(int argc, char **argv)
{
if (!device_comm_queue)
ocl_initialize();
const char* program_source;
program_source = load_source_file(argv[1]);
cl_program ocl_program = clCreateProgramWithSource(device_context, 1,
(const char**)&program_source, NULL, NULL);
printf("********** program created.\n");
// Build the program (OpenCL JIT compilation)
char options[100];
const char* flags = "-g -w -I\"";
const char* OMHOME = getenv("OPENMODELICAHOME");
const char* OMINCL = "/include/omc\"";
const char* OMBIN = "/bin\"";
if ( OMHOME != NULL )
{
strcpy(options, flags);
strcat(options, OMHOME);
strcat(options, OMINCL);
strcat(options, " -I\"");
strcat(options, OMHOME);
strcat(options, OMBIN);
printf("Building OpenCL code with flags %s\n",options);
cl_int err;
err = clBuildProgram(ocl_program, 0, NULL, options, NULL, NULL);
ocl_error_check(OCL_BUILD_PROGRAM, err);
size_t size;
clGetProgramBuildInfo(ocl_program, ocl_device, CL_PROGRAM_BUILD_LOG, // Get build log size
0, NULL, &size);
char * log = (char*)malloc(size);
clGetProgramBuildInfo(ocl_program,ocl_device,CL_PROGRAM_BUILD_LOG,size,log, NULL);
printf("\t\tCL_PROGRAM_BUILD_LOG: \t%s\n", log);
free(log);
if(err){
printf("Errors detected in compilation of OpenCL code:\n");
exit(1);
}
else
printf("Program built successfuly.\n");
//if no error create the binary
clGetProgramInfo(ocl_program, CL_PROGRAM_BINARY_SIZES,
sizeof(size_t), &size, NULL);
unsigned char * binary = (unsigned char*)malloc(size);
printf("Size of program binary :\t%d\n",size);
clGetProgramInfo(ocl_program, CL_PROGRAM_BINARIES, sizeof(size_t), &binary, NULL);
printf("Program binary retrived.\n");
const char* binary_ext = ".bin";
char* binary_name = strcat(argv[1],binary_ext);
printf("binary file name %s\n", binary_name);
FILE * cache;
cache = fopen(binary_name, "wb");
fwrite(binary, sizeof(char), size, cache);
fclose(cache);
//free(binary);
err = 0;
cl_program newprogram = clCreateProgramWithBinary(device_context, 1, &ocl_device, &size, (const unsigned char **)&binary, NULL, &err);
if(!err)
printf("Program created from binary\n");
else{
switch (err){
case CL_INVALID_CONTEXT:
printf("Error building program:\n");
printf("CL_INVALID_CONTEXT \n");
break;
case CL_INVALID_VALUE:
printf("Error building program:\n");
printf("CL_INVALID_VALUE \n");
break;
case CL_INVALID_DEVICE:
printf("Error building program:\n");
printf("CL_INVALID_DEVICE \n");
break;
case CL_INVALID_BINARY:
printf("Error building program:\n");
printf("CL_INVALID_BINARY \n");
break;
case CL_OUT_OF_HOST_MEMORY:
printf("Error building program:\n");
printf("CL_OUT_OF_HOST_MEMORY \n");
break;
}
}
return 0;
}
else
{
printf("Couldn't find OPENMODELICAHOME!\n");
exit(1);
}
ocl_clean_up();
return 0;
}