Added camera, use MVP.

pass.odin

@@ -8,6 +8,9 @@ Pass :: struct {
     name: string,
     clear_color: RGB_Color,
 
+    should_test_depth: bool,
+    should_clear_depth: bool,
+
     draw_commands: [MAX_DRAW_COMMANDS_PER_PASS]Draw_Command,
     draw_command_count: u32,
 }