diff --git a/opengl/include/EGL/eglext.h b/opengl/include/EGL/eglext.h
index a08932a..8e8e26c 100644
--- a/opengl/include/EGL/eglext.h
+++ b/opengl/include/EGL/eglext.h
@@ -256,6 +256,21 @@
 typedef EGLuint64NV (EGLAPIENTRYP PFNEGLGETSYSTEMTIMENVPROC)(void);
 #endif
 
+
+/* EGL_ANDROID_blob_cache
+ */
+#ifndef EGL_ANDROID_blob_cache
+#define EGL_ANDROID_blob_cache 1
+typedef khronos_ssize_t EGLsizei;
+typedef void (*EGLSetBlobFunc) (const void* key, EGLsizei keySize, const void* value, EGLsizei valueSize);
+typedef EGLsizei (*EGLGetBlobFunc) (const void* key, EGLsizei keySize, void* value, EGLsizei valueSize);
+#ifdef EGL_EGLEXT_PROTOTYPES
+EGLAPI void EGLAPIENTRY eglSetBlobCacheFuncs(EGLDisplay dpy, EGLSetBlobFunc set, EGLGetBlobFunc get);
+#endif /* EGL_EGLEXT_PROTOTYPES */
+typedef void (EGLAPIENTRYP PFNEGLSETBLOBCACHEFUNCSPROC) (EGLDisplay dpy,
+        EGLSetBlobFunc set, EGLGetBlobFunc get);
+#endif
+
 #ifdef __cplusplus
 }
 #endif