diff --git a/opengl/include/EGL/eglext.h b/opengl/include/EGL/eglext.h
index b2abdb1..267f8af 100644
--- a/opengl/include/EGL/eglext.h
+++ b/opengl/include/EGL/eglext.h
@@ -598,6 +598,19 @@
 #endif
 #endif
 
+#ifndef EGL_ANDROID_create_native_client_buffer
+#define EGL_ANDROID_create_native_client_buffer 1
+#define EGL_NATIVE_BUFFER_USAGE_ANDROID   0x3143
+#define EGL_NATIVE_BUFFER_USAGE_PROTECTED_BIT_ANDROID   0x00000001
+#define EGL_NATIVE_BUFFER_USAGE_RENDERBUFFER_ANDROID   0x00000002
+#define EGL_NATIVE_BUFFER_USAGE_TEXTURE_ANDROID   0x00000004
+#ifdef EGL_EGLEXT_PROTOTYPES
+EGLAPI EGLClientBuffer eglCreateNativeClientBufferANDROID (const EGLint *attrib_list);
+#else
+typedef EGLAPI EGLClientBuffer (EGLAPIENTRYP PFNEGLCREATENATIVECLIENTBUFFERANDROID) (const EGLint *attrib_list);
+#endif
+#endif
+
 #ifdef __cplusplus
 }
 #endif