Add missing LIBGL env vars

Natives/JavaLauncher.m

@@ -28,9 +28,15 @@ void init_loadCustomEnv() {
     // Silent Caciocavallo NPE error in locating Android-only lib
     setenv("LD_LIBRARY_PATH", "", 1);
 
+    // Ignore mipmap for performance(?)
+    setenv("LIBGL_MIPMAP", "3", 1);
+
     // Disable overloaded functions hack for Minecraft 1.17+
     setenv("LIBGL_NOINTOVLHACK", "1", 1);
 
+    // Fix white color on banner and sheep, since GL4ES 1.1.5
+    setenv("LIBGL_NORMALIZE", "1", 1);
+
     // Override OpenGL version to 4.1 for Zink
     setenv("MESA_GL_VERSION_OVERRIDE", "4.1", 1);