Tests the OpenCL part again

src/main.cpp

@@ -110,24 +110,8 @@ struct App {
 	}
 };
 
-
-int main(){
-	App a;
-
-	NSAppWrapper app;
-
-	app.create_window({
-		[&](ContextParameters){
-			a.initialize();
-		},
-		[&](ContextParameters){
-			a.draw();
-		},
-		nullptr
-	});
-
-	app.run();
-
+struct CLApp {
+	void initialize(){
 		auto context = cl::Context::getDefault();
 		cout << context << endl;
 
@@ -146,8 +130,8 @@ int main(){
 		cl::CommandQueue queue(context, context.getInfo<CL_CONTEXT_DEVICES>().front());
 
 		// make a lot of data
-	constexpr size_t W = 1280 * 4;
-	constexpr size_t H = 800  * 4;
+		constexpr size_t W = 1280 * 1;
+		constexpr size_t H = 800  * 1;
 		std::vector<cl_float> input_vector(W*H);
 
 		for(int y = 0; y < H; ++y){
@@ -159,7 +143,7 @@ int main(){
 		// transfer data into buffers
 		cl::Buffer input(context, input_vector.begin(), input_vector.end(), false, true);
 
-	int r = 80, g = 40, b = 20;
+		int r = 20, g = 20, b = 20;
 
 		// DO IT (in place)
 		for(int i = 0; i < r; ++i){
@@ -198,6 +182,28 @@ int main(){
 			image << png::ostream<>::pixel(blue[i], red[i], green[i]);
 		}
 		cout << "png is saved" << endl;
+	}
+};
+
+
+int main() {
+	App a;
+	CLApp b;
+
+	NSAppWrapper app;
+
+	app.create_window({
+		[&](ContextParameters){
+			a.initialize();
+			b.initialize();
+		},
+		[&](ContextParameters){
+			a.draw();
+		},
+		nullptr
+	});
+
+	app.run();
 }