Pool blue clear screen

src/main.zig

@@ -8,9 +8,29 @@ const state = struct {
     var pip: sg.Pipeline = .{};
 };
 
-export fn frame() void {}
+var pass_action: sg.PassAction = .{};
 
-export fn init() void {}
+export fn init() void {
+    sg.setup(.{
+        .logger = .{ .func = sokol.log.func },
+        .environment = sokol.glue.environment(),
+    });
+
+    pass_action.colors[0] = .{
+        .load_action = .CLEAR,
+        .clear_value = .{ .r = 0.2, .g = 1, .b = 1, .a = 1 },
+    };
+
+    std.debug.print("Backend: {}\n", .{sg.queryBackend()});
+}
+
+export fn frame() void {
+    //const g = pass_action.colors[0].clear_value.g + 0.01;
+
+    sg.beginPass(.{ .action = pass_action, .swapchain = sokol.glue.swapchain() });
+    sg.endPass();
+    sg.commit();
+}
 
 export fn cleanup() void {}