Add cglm

.gitmodules

@@ -0,0 +1,4 @@
+[submodule "cglm/cglm"]
+	path = cglm/cglm
+	url = https://github.com/recp/cglm
+	branch = master

cglm/cglm

@@ -0,0 +1 @@
+Subproject commit 7cdeada70129c08f40ca89b523e71b4428b55029

src/main.c

@@ -345,13 +345,13 @@ int main(int argc, char **argv)
 	g_signal_connect(window, "delete-event", G_CALLBACK(on_main_window_close), NULL);
 
 
-	mandelbrot_buff.x_span = 0.075;//2.8;
-	mandelbrot_buff.y_span = 0.075;//2.25;
+	mandelbrot_buff.x_span = 0.05;//2.8;
+	mandelbrot_buff.y_span = 0.05;//2.25;
 	mandelbrot_buff.center_x = -0.6;
-	mandelbrot_buff.center_y = 0.45;
-	mandelbrot_buff.width = 2000;
-	mandelbrot_buff.height = 2000;
-	mandelbrot_buff.iterations = 400;
+	mandelbrot_buff.center_y = 0.44;
+	mandelbrot_buff.width = 5000;
+	mandelbrot_buff.height = 5000;
+	mandelbrot_buff.iterations = 600;
 	mandelbrot_buff.mandelbrot_buffer = NULL;
 
 	printf("Compile and run Mandelbrot on OpenCL HW\n");