v1.0.0-rc

Set the y-invert flag when creating an EGLSurface.

Set the EGL_SURFACE_Y_INVERTED_NVX attribute when calling
eglPlatformCreateSurfaceNVX.

Wayland's default coordinate system for linux-dmabuf-v1 puts (0, 0) at
the top left, not the bottom left like OpenGL uses.