[Feat] (MG_Impl/GLX): Implement glXGetProcAddress.

MobileGL/MG_Impl/GLXImpl/LookUp/LookUp.cpp

@@ -0,0 +1,19 @@
+#include "../../../Includes.h"
+
+namespace MG_Impl::GLXImpl {
+    void* GetProcAddress(const char* name) {
+        MGLOG_D("glXGetProcAddress(\"%s\")", name);
+        void* proc = dlsym(RTLD_DEFAULT, (const char*)name);
+
+        if (!proc) {
+            MGLOG_W("Failed to get function: %s", (const char*)name);
+            return nullptr;
+        }
+
+        return proc;
+    }
+
+    void* GetProcAddressARB(const char* name) {
+        return GetProcAddress(name);
+    }
+}