}
+#if 0 /* prototype code */
+
+#include <dlfcn.h>
+
+static EGLint
+_eglFindAPIs_by_sym(void)
+{
+ EGLint mask = 0x0;
+
+ if (dlsym(NULL, "glBegin"))
+ mask |= EGL_OPENGL_BIT;
+ if (dlsym(NULL, "glGetFixedv"))
+ mask |= EGL_OPENGL_ES_BIT;
+ if (dlsym(NULL, "vgSetf"))
+ mask |= EGL_OPENVG_BIT;
+
+ return mask;
+}
+
+static EGLint
+_eglFindAPIs_by_lib(void)
+{
+ EGLint mask = 0x0;
+ int flag = RTLD_NOW;
+ void *h;
+
+ if ((h = dlopen("libGLESv1_CM.so", flag))) {
+ dlclose(h);
+ mask |= EGL_OPENGL_ES_BIT;
+ }
+
+ if ((h = dlopen("libGLESv2.so", flag))) {
+ dlclose(h);
+ mask |= EGL_OPENGL_ES2_BIT;
+ }
+
+ if ((h = dlopen("libGL.so", flag))) {
+ dlclose(h);
+ mask |= EGL_OPENGL_BIT;
+ }
+
+ if ((h = dlopen("libOpenVG.so", flag))) {
+ dlclose(h);
+ mask |= EGL_OPENVG_BIT;
+ }
+
+ return mask;
+}
+
+#endif
+
+
static void
_eglUpdateAPIsString(_EGLDriver *drv)
{