// returns
// - 0 if success
// - ERR_FOPEN if init_data.xml missing
// - ERR_XML_PARSE if can't parse init_data.xml
// - ERR_NOT_FOUND if missing <gpu_type> or <gpu_device_num> fields
// - an OpenCL error number if OpenCL error
//
int boinc_get_opencl_ids(cl_device_id* device, cl_platform_id* platform) {
int retval;
APP_INIT_DATA aid;
int opencl_device_index;
retval = boinc_parse_init_data_file();
if (retval) return retval;
boinc_get_init_data(aid);
if (!strlen(aid.gpu_type)) {
fprintf(stderr, "GPU type not found in %s\n", INIT_DATA_FILE);
return ERR_NOT_FOUND;
}
opencl_device_index = aid.gpu_opencl_dev_index;
if (opencl_device_index < 0) {
// Older versions of init_data.xml don't have gpu_opencl_dev_index field
opencl_device_index = aid.gpu_device_num;
}
if (opencl_device_index < 0) {
fprintf(stderr, "GPU device # not found in %s\n", INIT_DATA_FILE);
return ERR_NOT_FOUND;
}
retval = boinc_get_opencl_ids_aux(
aid.gpu_type, opencl_device_index, device, platform
);
return retval;
}
// Deprecated: use the version above instead
//
// returns
// - 0 if success
// - ERR_FOPEN if init_data.xml missing
// - ERR_XML_PARSE if can't parse init_data.xml
// - ERR_NOT_FOUND if missing <gpu_type> or <gpu_device_num> fields
// - an OpenCL error number if OpenCL error
//
int boinc_get_opencl_ids(cl_device_id* device, cl_platform_id* platform) {
int retval;
APP_INIT_DATA aid;
retval = boinc_parse_init_data_file();
if (retval) return retval;
boinc_get_init_data(aid);
if (!strlen(aid.gpu_type)) {
fprintf(stderr, "GPU type not found in %s\n", INIT_DATA_FILE);
return ERR_NOT_FOUND;
}
if ((aid.gpu_opencl_dev_index < 0) && (aid.gpu_device_num < 0)) {
fprintf(stderr, "GPU device # not found in %s\n", INIT_DATA_FILE);
return ERR_NOT_FOUND;
}
retval = boinc_get_opencl_ids_aux(
aid.gpu_type, aid.gpu_opencl_dev_index, aid.gpu_device_num, device, platform
);
return retval;
}
// This version is compatible with older clients.
// Usage:
// Pass the argc and argv received from the BOINC client
// type: may be PROC_TYPE_NVIDIA_GPU, PROC_TYPE_AMD_GPU or PROC_TYPE_INTEL_GPU
// (it may also be 0, but then it will fail on older clients.)
//
// The argc, argv and type arguments are ignored for 7.0.12 or later clients.
//
// returns
// - 0 if success
// - ERR_FOPEN if init_data.xml missing
// - ERR_XML_PARSE if can't parse init_data.xml
// - CL_INVALID_DEVICE_TYPE if unable to get gpu_type information
// - ERR_NOT_FOUND if unable to get opencl_device_index or gpu device_num
// - an OpenCL error number if OpenCL error
//
int boinc_get_opencl_ids(
int argc, char** argv, int type,
cl_device_id* device, cl_platform_id* platform
){
int retval;
APP_INIT_DATA aid;
char *gpu_type = NULL;
int gpu_device_num = -1;
int i;
retval = boinc_parse_init_data_file();
if (retval) return retval;
boinc_get_init_data(aid);
if (strlen(aid.gpu_type)) {
gpu_type = aid.gpu_type;
} else {
switch (type) {
case PROC_TYPE_NVIDIA_GPU:
gpu_type = (char *)GPU_TYPE_NVIDIA;
break;
case PROC_TYPE_AMD_GPU:
gpu_type = (char *)GPU_TYPE_ATI;
break;
case PROC_TYPE_INTEL_GPU:
gpu_type = (char *)GPU_TYPE_INTEL;
break;
}
}
if ((!gpu_type) || !strlen(gpu_type)) {
fprintf(stderr, "GPU type not found in %s\n", INIT_DATA_FILE);
return CL_INVALID_DEVICE_TYPE;
}
if (aid.gpu_opencl_dev_index < 0) {
// Older versions of init_data.xml don't have gpu_opencl_dev_index field
//
gpu_device_num = aid.gpu_device_num;
if (gpu_device_num < 0) {
// Even older versions of init_data.xml don't have gpu_device_num field
for (i=0; i<argc-1; i++) {
if ((!strcmp(argv[i], "--device")) || (!strcmp(argv[i], "-device"))) {
gpu_device_num = atoi(argv[i+1]);
break;
}
}
}
}
if ((aid.gpu_opencl_dev_index < 0) && (gpu_device_num < 0)) {
fprintf(stderr, "GPU device # not found in %s\n", INIT_DATA_FILE);
return ERR_NOT_FOUND;
}
retval = boinc_get_opencl_ids_aux(
gpu_type, aid.gpu_opencl_dev_index, gpu_device_num, device, platform
);
return retval;
}
