+#define LP_FS_MAX_VARIANT_KEY_SIZE \
+ (sizeof(struct lp_fragment_shader_variant_key) + \
+ PIPE_MAX_SHADER_SAMPLER_VIEWS * sizeof(struct lp_sampler_static_state) +\
+ PIPE_MAX_SHADER_IMAGES * sizeof(struct lp_image_static_state))
+
+static inline size_t
+lp_fs_variant_key_size(unsigned nr_samplers, unsigned nr_images)
+{
+ unsigned samplers = nr_samplers > 1 ? (nr_samplers - 1) : 0;
+ return (sizeof(struct lp_fragment_shader_variant_key) +
+ samplers * sizeof(struct lp_sampler_static_state) +
+ nr_images * sizeof(struct lp_image_static_state));
+}
+
+static inline struct lp_image_static_state *
+lp_fs_variant_key_images(struct lp_fragment_shader_variant_key *key)
+{
+ return (struct lp_image_static_state *)
+ &key->samplers[key->nr_samplers];
+}
+
+/** doubly-linked list item */