Print debug info 2

Author: raub

src/cpp/device.cpp

@@ -15,9 +15,13 @@ JS_METHOD(getDeviceIDs) { NAPI_ENV;
 	USE_OFFS_ARG(1, type, CL_DEVICE_TYPE_ALL);
 
 	cl_uint n = 0;
+	cl_platform_id platform2;
+	CHECK_ERR(clGetPlatformIDs(1, &platform2, nullptr));
 	printf("getDeviceIDs 0\n"); fflush(nullptr);
-	CHECK_ERR(clGetDeviceIDs(platform, type, 0, nullptr, &n));
+	CHECK_ERR(clGetDeviceIDs(platform2, CL_DEVICE_TYPE_ALL, 0, nullptr, &n));
 	printf("getDeviceIDs 1: %u\n", n);
+	CHECK_ERR(clGetDeviceIDs(platform, type, 0, nullptr, &n));
+	printf("getDeviceIDs 11: %u\n", n);
 	Napi::Array deviceArray = Napi::Array::New(env);
 	if (!n) {
 		printf("getDeviceIDs 2\n"); fflush(nullptr);

src/cpp/platform.cpp

@@ -12,10 +12,14 @@ JS_METHOD(getPlatformIDs) { NAPI_ENV;
 	cl_uint num_entries = 0;
 	CHECK_ERR(clGetPlatformIDs(0, nullptr, &num_entries));
 
+	Napi::Array platformArray = Napi::Array::New(env);
+	if (!num_entries) {
+		RET_VALUE(platformArray);
+	}
+	
 	std::unique_ptr<cl_platform_id[]> platforms(new cl_platform_id[num_entries]);
 	CHECK_ERR(clGetPlatformIDs(num_entries, platforms.get(), nullptr));
 
-	Napi::Array platformArray = Napi::Array::New(env);
 	for (size_t i = 0; i < num_entries; i++) {
 		platformArray.Set(i, Wrapper::fromRaw(env, platforms[i]));
 	}