enum glsl_sampler_dim glsl_get_sampler_dim(const struct glsl_type *type);
enum glsl_base_type glsl_get_sampler_result_type(const struct glsl_type *type);
unsigned glsl_get_sampler_target(const struct glsl_type *type);
+int glsl_get_sampler_coordinate_components(const struct glsl_type *type);
unsigned glsl_get_record_location_offset(const struct glsl_type *type,
unsigned length);