Init

Conway_OpenCL/HelloWorld_Kernel.cl

@@ -0,0 +1,51 @@
+__kernel void helloworld(__global char* in, __global int num_workers, __global int grid_width, __global int grid_height)
+{
+	// Caclulate the start and end range that this worker will be calculating
+
+	int data_length = grid_width * grid_height;
+
+	int start_range = (data_length / num_workers) * get_global_id(0) * 2; // * 2 = padding
+	int end_range = (data_length / num_workers) * (get_global_id(0) + 1) * 2;
+	
+	// x, y + 1
+
+	int neighbors = 0;
+
+	for (int i = start_range; i < end_range; i += 2){
+		
+		// add all 8 blocks to neghbors
+
+		// Top
+		neighbors += in[i - grid_width * 2];
+
+		// Top right
+		neightbors += in[i - grid_width * 2 + 2];
+
+		// Right
+		neighbors += in[i + 2];
+
+		// Bottom Right
+		neighbors += in[i + grid_width * 2 + 2];
+
+		// Bottom
+		neighbors += in[i + grid_width * 2];
+
+		// Bottom Left
+		neighbors += in[i + grid_width * 2 - 2];
+
+		// Left
+		neighbors += in[i - 2];
+
+		// Top left
+		neighbors += in[i - grid_width * 2 - 2];
+
+		// push living status to the padded second char
+
+		if (neighbors == 3 || (neighbors == 2 && in[i])){
+			in[i + 1] = 1;
+		}
+	
+		else
+			in[i + 1] = 0;
+	}
+}