#include "pipe/p_format.h"
+struct pipe_context;
+struct st_surface;
+
void
st_sample_pixel_block(enum pipe_format format,
unsigned w, unsigned h);
void
-st_sample_surface(struct st_surface *surface, float *rgba);
+st_sample_surface(struct pipe_context *pipe,
+ struct st_surface *surface,
+ float *rgba);
#endif /* ST_SAMPLE_H_ */