Added EGL_KHR_image_base and GL_OES_EGL_image_external entry points to esUtil.

samples/gles2_book/Common/esUtil.c

@@ -31,8 +31,13 @@
 //  Extensions
 //
 
+PFNEGLCREATEIMAGEKHRPROC eglCreateImageKHR;
+PFNEGLDESTROYIMAGEKHRPROC eglDestroyImageKHR;
+
 PFNEGLPOSTSUBBUFFERNVPROC eglPostSubBufferNV;
 
+PFNGLEGLIMAGETARGETTEXTURE2DOESPROC glEGLImageTargetTexture2DOES;
+
 PFNGLDELETEFENCESNVPROC glDeleteFencesNV;
 PFNGLGENFENCESNVPROC glGenFencesNV;
 PFNGLGETFENCEIVNVPROC glGetFenceivNV;
@@ -73,8 +78,13 @@ EGLBoolean CreateEGLContext ( EGLNativeWindowType hWnd, EGLDisplay* eglDisplay,
    }
 
    // Bind to extensions
+   eglCreateImageKHR = (PFNEGLCREATEIMAGEKHRPROC) eglGetProcAddress("eglCreateImageKHR");
+   eglDestroyImageKHR = (PFNEGLDESTROYIMAGEKHRPROC) eglGetProcAddress("eglDestroyImageKHR");
+   
    eglPostSubBufferNV = (PFNEGLPOSTSUBBUFFERNVPROC) eglGetProcAddress("eglPostSubBufferNV");
 
+   glEGLImageTargetTexture2DOES = (PFNGLEGLIMAGETARGETTEXTURE2DOESPROC) eglGetProcAddress("glEGLImageTargetTexture2DOES");
+   
    glDeleteFencesNV = (PFNGLDELETEFENCESNVPROC) eglGetProcAddress("glDeleteFencesNV");
    glGenFencesNV = (PFNGLGENFENCESNVPROC) eglGetProcAddress("glGenFencesNV");
    glGetFenceivNV = (PFNGLGETFENCEIVNVPROC) eglGetProcAddress("glGetFenceivNV");

samples/gles2_book/Common/esUtil.h

@@ -94,8 +94,13 @@ typedef struct
 //  Extensions
 //
 
+extern PFNEGLCREATEIMAGEKHRPROC eglCreateImageKHR;
+extern PFNEGLDESTROYIMAGEKHRPROC eglDestroyImageKHR;
+
 extern PFNEGLPOSTSUBBUFFERNVPROC eglPostSubBufferNV;
 
+extern PFNGLEGLIMAGETARGETTEXTURE2DOESPROC glEGLImageTargetTexture2DOES;
+
 extern PFNGLDELETEFENCESNVPROC glDeleteFencesNV;
 extern PFNGLGENFENCESNVPROC glGenFencesNV;
 extern PFNGLGETFENCEIVNVPROC glGetFenceivNV;