skeleton for setting uniforms with variants

src/visual/src/shader.cpp

@@ -1,5 +1,6 @@
 #include "pw/visual/shader.hpp"
 #include "pw/core/debug.hpp"
+#include "pw/core/serialize.hpp"
 
 #include "glad/glad.h"
 
@@ -203,11 +204,21 @@ void shader::use()
 void shader::set_uniforms(shader::uniform_set s)
 {
 	for (auto& u : s) {
-		std::visit(
-					[u](auto&& arg){
-						std::cout << u.first << " " << typeid(arg).name() << std::endl;
-					},
-			u.second);
+//		std::visit(
+//					[u](auto&& arg){
+//						std::cout << u.first << " " << typeid(arg).name() << std::endl;
+//					},
+//			u.second);
+
+
+		std::visit([u](auto&& arg) {
+			using T = std::decay_t<decltype(arg)>;
+			if constexpr (std::is_same_v<T, vector4f>)
+				std::cout << "vec4f with type " << typeid(arg).name() << " " << serialize::matrix(arg) << '\n';
+			else
+				std::cout << "can't" << std::endl;
+		}, u.second);
+
 	}
 }