#define FO_NEW_CLEAR_COLOR 0x20000
#define FO_NEW_VERTEX_BUFFER 0x40000
#define FO_NEW_VERTEX_ELEMENT 0x80000
+#define FO_NEW_SAMPLE_MASK 0x100000
struct pipe_blend_color blend_color;
struct pipe_stencil_ref stencil_ref;
struct pipe_clip_state clip;
+ unsigned sample_mask;
struct pipe_framebuffer_state framebuffer;
struct pipe_poly_stipple poly_stipple;
struct pipe_scissor_state scissor;