wip sync

src/egl.c

@@ -333,6 +333,10 @@ static bool gsr_egl_load_gl(gsr_egl *self, void *library) {
         { (void**)&self->glUnmapBuffer, "glUnmapBuffer" },
         { (void**)&self->glGetIntegerv, "glGetIntegerv" },
 
+        { (void**)&self->glFenceSync, "glFenceSync" },
+        { (void**)&self->glDeleteSync, "glDeleteSync" },
+        { (void**)&self->glClientWaitSync, "glClientWaitSync" },
+
         { NULL, NULL }
     };