EGL_NV_sync https://www.khronos.org/registry/egl/specs/eglspec.1.5.pdf EGL_NV_sync EGL_NO_SYNC_NV ((EGLSyncNV)0) EGL_SYNC_FLUSH_COMMANDS_BIT_NV 0x0001 EGL_SYNC_PRIOR_COMMANDS_COMPLETE_NV 0x30E6 EGL_SYNC_STATUS_NV 0x30E7 EGL_SIGNALED_NV 0x30E8 EGL_UNSIGNALED_NV 0x30E9 EGL_ALREADY_SIGNALED_NV 0x30EA EGL_TIMEOUT_EXPIRED_NV 0x30EB EGL_CONDITION_SATISFIED_NV 0x30EC EGL_SYNC_TYPE_NV 0x30ED EGL_SYNC_CONDITION_NV 0x30EE EGL_SYNC_FENCE_NV 0x30EF EGL_FOREVER_NV 0xFFFFFFFFFFFFFFFF EGLint eglClientWaitSyncNV (EGLSyncNV sync, EGLint flags, EGLTimeNV timeout) EGLSyncNV eglCreateFenceSyncNV (EGLDisplay dpy, EGLenum condition, const EGLint * attrib_list) EGLBoolean eglDestroySyncNV (EGLSyncNV sync) EGLBoolean eglFenceNV (EGLSyncNV sync) EGLBoolean eglGetSyncAttribNV (EGLSyncNV sync, EGLint attribute, EGLint * value) EGLBoolean eglSignalSyncNV (EGLSyncNV sync, EGLenum mode)