// get total number of OpenCL platforms
unsigned int
HGPU_GPU_platforms_get_total_number(void){
HGPU_GPU_platforms* platforms = HGPU_GPU_platforms_get();
unsigned int result = HGPU_GPU_platforms_get_number(platforms);
HGPU_GPU_platforms_delete(&platforms);
return result;
}
// get all OpenCL devices
HGPU_GPU_devices*
HGPU_GPU_devices_get(void){
HGPU_GPU_platforms* platforms = HGPU_GPU_platforms_get();
HGPU_GPU_devices* result = HGPU_GPU_devices_get_on_platforms(platforms);
HGPU_GPU_platforms_delete(&platforms);
return result;
}
// get OpenCL devices by vendor
HGPU_GPU_devices*
HGPU_GPU_devices_get_by_vendor(HGPU_GPU_vendor vendor){
HGPU_GPU_platforms* platforms = HGPU_GPU_platforms_get();
HGPU_GPU_devices* result = HGPU_GPU_devices_get_on_platforms(platforms);
HGPU_GPU_devices_select_by_vendor(&result,vendor);
return result;
}
// get total number of OpenCL devices
unsigned int
HGPU_GPU_devices_get_total_number(void){
HGPU_GPU_platforms* platforms = HGPU_GPU_platforms_get();
unsigned int result = 0;
for (unsigned int i=0;i<HGPU_GPU_platforms_get_number(platforms);i++)
result += HGPU_GPU_devices_get_number_on_platform(platforms->platforms[i]);
HGPU_GPU_platforms_delete(&platforms);
return result;
}
// get OpenCL platforms by index
cl_platform_id
HGPU_GPU_platform_get_by_index(unsigned int platform_index){
cl_platform_id result;
HGPU_GPU_platforms* platforms = HGPU_GPU_platforms_get();
if (HGPU_GPU_platforms_get_number(platforms)<=platform_index) {
HGPU_GPU_platforms_delete(&platforms);
HGPU_GPU_error_message(HGPU_ERROR_NO_PLATFORM,"there is no any desired OpenCL platform");
}
result = platforms->platforms[platform_index];
HGPU_GPU_platforms_delete(&platforms);
return result;
}
// automatically select OpenCL devices according to (HGPU_parameter) parameters
HGPU_GPU_devices*
HGPU_GPU_devices_select_auto(HGPU_parameter** parameters){
HGPU_GPU_platforms* platforms = NULL;
HGPU_GPU_devices* devices = NULL;
HGPU_parameter* parameter_device = HGPU_parameters_get_by_name(parameters,(char*) HGPU_PARAMETER_DEVICE);
HGPU_parameter* parameter_device_type = HGPU_parameters_get_by_name(parameters,(char*) HGPU_PARAMETER_DEVICE_TYPE);
HGPU_parameter* parameter_platform = HGPU_parameters_get_by_name(parameters,(char*) HGPU_PARAMETER_PLATFORM);
if (parameter_platform) {
unsigned int platform_id = parameter_platform->value_integer;
if ((!platform_id) && (strlen(parameter_platform->value_text)>1)){
// get platforms by vendor
platforms = HGPU_GPU_platforms_get();
HGPU_GPU_vendor platform_vendor = HGPU_convert_vendor_from_str(parameter_platform->value_text);
HGPU_GPU_platforms_select_by_vendor(&platforms,platform_vendor);
} else {
platforms = HGPU_GPU_platforms_new(1);
platforms[0].platforms[0] = HGPU_GPU_platform_get_by_index(platform_id);
}
devices = HGPU_GPU_devices_get_on_platforms(platforms);
}
if (parameter_device) {
unsigned int device_id = parameter_device->value_integer;
if ((!device_id) && (strlen(parameter_device->value_text)>1)){
HGPU_GPU_vendor device_vendor = HGPU_convert_vendor_from_str(parameter_device->value_text);
// get devices by vendor
if (parameter_platform)
HGPU_GPU_devices_select_by_vendor(&devices,device_vendor);
else
devices = HGPU_GPU_devices_get_by_vendor(device_vendor);
} else {
devices = HGPU_GPU_devices_new(1);
if (parameter_platform)
devices[0].devices[0] = HGPU_GPU_device_get_by_index_on_platform(platforms[0].platforms[0],device_id);
else
devices[0].devices[0] = HGPU_GPU_device_get_by_index(device_id);
}
}
if ((!parameter_platform) && (!parameter_device))
devices = HGPU_GPU_devices_get();
if (parameter_device_type) {
if (!strcmp(parameter_device_type->value_text,"GPU")) HGPU_GPU_devices_select_by_type(&devices,CL_DEVICE_TYPE_GPU);
if (!strcmp(parameter_device_type->value_text,"CPU")) HGPU_GPU_devices_select_by_type(&devices,CL_DEVICE_TYPE_CPU);
if (!strcmp(parameter_device_type->value_text,"ACCELERATOR")) HGPU_GPU_devices_select_by_type(&devices,CL_DEVICE_TYPE_ACCELERATOR);
}
HGPU_GPU_devices_sort(&devices);
return devices;
}
// get index of OpenCL platform by platform
unsigned int
HGPU_GPU_platform_get_index_of(cl_platform_id platform){
unsigned int result = 0;
HGPU_GPU_platforms* platforms = HGPU_GPU_platforms_get();
bool flag = true;
while ((result<HGPU_GPU_platforms_get_number(platforms))&&(flag)){
if (platforms->platforms[result]==platform) flag = false;
else result++;
}
HGPU_GPU_platforms_delete(&platforms);
if (flag) HGPU_GPU_error_message(HGPU_ERROR_NO_PLATFORM,"there is no any desired OpenCL platform");
return result;
}
// get OpenCL platforms by vendor
HGPU_GPU_platforms*
HGPU_GPU_platforms_get_by_vendor(HGPU_GPU_vendor vendor){
HGPU_GPU_platforms* result = HGPU_GPU_platforms_get();
HGPU_GPU_platforms_select_by_vendor(&result,vendor);
return result;
}