*/
struct st_gp_variant
{
- /* Parameters which generated this translated version of a vertex */
+ /* Parameters which generated this variant. */
struct st_gp_variant_key key;
void *driver_shader;
+/** Tessellation control program variant key */
+struct st_tcp_variant_key
+{
+ struct st_context *st; /**< variants are per-context */
+ /* no other fields yet */
+};
+
+
+/**
+ * Tessellation control program variant.
+ */
+struct st_tcp_variant
+{
+ /* Parameters which generated this variant. */
+ struct st_tcp_variant_key key;
+
+ void *driver_shader;
+
+ struct st_tcp_variant *next;
+};
+
+
+/**
+ * Derived from Mesa gl_tess_ctrl_program:
+ */
+struct st_tessctrl_program
+{
+ struct gl_tess_ctrl_program Base; /**< The Mesa tess ctrl program */
+ struct glsl_to_tgsi_visitor* glsl_to_tgsi;
+
+ struct st_tcp_variant *variants;
+};
+
+
+
+/** Tessellation evaluation program variant key */
+struct st_tep_variant_key
+{
+ struct st_context *st; /**< variants are per-context */
+ /* no other fields yet */
+};
+
+
+/**
+ * Tessellation evaluation program variant.
+ */
+struct st_tep_variant
+{
+ /* Parameters which generated this variant. */
+ struct st_tep_variant_key key;
+
+ void *driver_shader;
+
+ struct st_tep_variant *next;
+};
+
+
+/**
+ * Derived from Mesa gl_tess_eval_program:
+ */
+struct st_tesseval_program
+{
+ struct gl_tess_eval_program Base; /**< The Mesa tess eval program */
+ struct glsl_to_tgsi_visitor* glsl_to_tgsi;
+
+ struct st_tep_variant *variants;
+};
+
+
+
static inline struct st_fragment_program *
st_fragment_program( struct gl_fragment_program *fp )
{
return (struct st_geometry_program *)gp;
}
+static inline struct st_tessctrl_program *
+st_tessctrl_program( struct gl_tess_ctrl_program *tcp )
+{
+ return (struct st_tessctrl_program *)tcp;
+}
+
+static inline struct st_tesseval_program *
+st_tesseval_program( struct gl_tess_eval_program *tep )
+{
+ return (struct st_tesseval_program *)tep;
+}
+
static inline void
st_reference_vertprog(struct st_context *st,
struct st_vertex_program **ptr,
(struct gl_program *) prog);
}
+static inline void
+st_reference_tesscprog(struct st_context *st,
+ struct st_tessctrl_program **ptr,
+ struct st_tessctrl_program *prog)
+{
+ _mesa_reference_program(st->ctx,
+ (struct gl_program **) ptr,
+ (struct gl_program *) prog);
+}
+
+static inline void
+st_reference_tesseprog(struct st_context *st,
+ struct st_tesseval_program **ptr,
+ struct st_tesseval_program *prog)
+{
+ _mesa_reference_program(st->ctx,
+ (struct gl_program **) ptr,
+ (struct gl_program *) prog);
+}
+
/**
* This defines mapping from Mesa VARYING_SLOTs to TGSI GENERIC slots.
*/
struct st_geometry_program *stgp,
const struct st_gp_variant_key *key);
+extern struct st_tcp_variant *
+st_get_tcp_variant(struct st_context *st,
+ struct st_tessctrl_program *stgp,
+ const struct st_tcp_variant_key *key);
+
+extern struct st_tep_variant *
+st_get_tep_variant(struct st_context *st,
+ struct st_tesseval_program *stgp,
+ const struct st_tep_variant_key *key);
+
extern void
st_prepare_vertex_program(struct gl_context *ctx,
st_release_gp_variants(struct st_context *st,
struct st_geometry_program *stgp);
+extern void
+st_release_tcp_variants(struct st_context *st,
+ struct st_tessctrl_program *stgp);
+
+extern void
+st_release_tep_variants(struct st_context *st,
+ struct st_tesseval_program *stgp);
+
extern void
st_destroy_program_variants(struct st_context *st);