cl_context OCLContexts::GetContextByPlatformName(
const std::string &platName, OCLContextProperties ctx_props) {
OCLErrorExp clerr;
cl_context found_ctx = m_contextMap[platName];
if ( found_ctx != NULL ) {
return found_ctx;
}
cl_platform_id platform = NULL;
for (size_t i=0; i<get_num_platforms(); i++) {
if (get_platform_name(i) == platName ) {
platform = m_platforms[i];
break;
}
}
ctx_props.AddProperty(CL_CONTEXT_PLATFORM, (cl_context_properties) platform);
found_ctx = clCreateContextFromType(ctx_props, CL_DEVICE_TYPE_ALL,
NULL, NULL, clerr);
clerr.CheckError();
if ( platform != NULL ) {
m_contextMap[platName] = found_ctx;
}
return found_ctx;
}
void test_platforms()
{
int i, j;
char desc[256];
struct cl_exec exec = { 0, 0, 1 };
//Initialize the runtime
cl_runtime rt = new_cl_runtime(false);
printf("Testing %d platforms\n\n", get_num_platforms());
for(i = 0; i < get_num_platforms(); i++)
{
exec.platform = i;
clGetPlatformInfo(get_platform(rt, i), CL_PLATFORM_NAME, sizeof(desc), desc, NULL);
printf("Testing devices for %s platform\n", desc);
for(j = 0; j < get_num_devices(i); j++)
{
exec.device = j;
test_device(rt, exec, get_device(rt, i, j));
}
printf("\n");
}
delete_cl_runtime(rt);
}
int main(int argc, char** argv)
{
cl_device_id dev;
int i, j;
unsigned long res;
cl_runtime rt = new_cl_runtime(false);
for(i = 0; i < get_num_platforms(); i++)
{
for(j = 0; j < get_num_devices(i); j++)
{
dev = get_device(rt, i, j);
print_device_info(dev, false);
clGetDeviceInfo(dev, CL_DEVICE_PROFILING_TIMER_RESOLUTION, sizeof(cl_ulong), &res, NULL);
printf("---\nTimer resolution: %lu\n---\n", res);
}
}
delete_cl_runtime(rt);
return 0;
}
