diff --git a/internal/graphicsdriver/opengl/gl/procaddr_nintendosdk.go b/internal/graphicsdriver/opengl/gl/procaddr_nintendosdk.go
new file mode 100644
index 000000000..84babbded
--- /dev/null
+++ b/internal/graphicsdriver/opengl/gl/procaddr_nintendosdk.go
@@ -0,0 +1,35 @@
+// Copyright 2022 The Ebitengine Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//go:build nintendosdk
+
+package gl
+
+// #cgo LDFLAGS: -Wl,-unresolved-symbols=ignore-all
+//
+// #include <stdlib.h>
+// #include <EGL/egl.h>
+//
+// static void* getProcAddress(const char* name) {
+//   return eglGetProcAddress(name);
+// }
+import "C"
+
+import "unsafe"
+
+func getProcAddress(namea string) unsafe.Pointer {
+	cname := C.CString(namea)
+	defer C.free(unsafe.Pointer(cname))
+	return C.getProcAddress(cname)
+}
diff --git a/internal/graphicsdriver/opengl/gl/procaddr_others.go b/internal/graphicsdriver/opengl/gl/procaddr_others.go
index 714477422..876c06632 100644
--- a/internal/graphicsdriver/opengl/gl/procaddr_others.go
+++ b/internal/graphicsdriver/opengl/gl/procaddr_others.go
@@ -1,29 +1,18 @@
 // SPDX-License-Identifier: MIT
 // SPDX-FileCopyrightText: 2014 Eric Woroshow
 
-//go:build !android && !darwin && !js && !windows && !opengles
+//go:build !android && !darwin && !js && !nintendosdk && !windows && !opengles
 
 package gl
 
-/*
-#cgo !nintendosdk pkg-config: gl
-#cgo nintendosdk  CFLAGS: -DTAG_NINTENDOSDK
-#cgo nintendosdk  LDFLAGS: -Wl,-unresolved-symbols=ignore-all
-
-#if defined(TAG_NINTENDOSDK)
-	#include <stdlib.h>
-	#include <EGL/egl.h>
-	static void* getProcAddress(const char* name) {
-		return eglGetProcAddress(name);
-	}
-#else
-	#include <stdlib.h>
-	#include <GL/glx.h>
-	static void* getProcAddress(const char* name) {
-		return glXGetProcAddress((const GLubyte *) name);
-	}
-#endif
-*/
+// #cgo pkg-config: gl
+//
+// #include <stdlib.h>
+// #include <GL/glx.h>
+//
+// static void* getProcAddress(const char* name) {
+//   return glXGetProcAddress((const GLubyte *) name);
+// }
 import "C"
 
 import "unsafe"