Merge remote-tracking branch 'mesa-public/master' into vulkan

[mesa.git] / src / glsl / glsl_types.h

diff --git a/src/glsl/glsl_types.h b/src/glsl/glsl_types.h
index f54a9393e7335f1240c876a0ebf3679f8b8aae95..836259a506cb1724b45c4f449c33c65149c09558 100644 (file)
--- a/src/glsl/glsl_types.h
+++ b/src/glsl/glsl_types.h
@@ -56,6 +56,7 @@ enum glsl_base_type {
    GLSL_TYPE_IMAGE,
    GLSL_TYPE_ATOMIC_UINT,
    GLSL_TYPE_STRUCT,
+   GLSL_TYPE_FUNCTION,
    GLSL_TYPE_INTERFACE,
    GLSL_TYPE_ARRAY,
    GLSL_TYPE_VOID,
@@ -178,7 +179,7 @@ struct glsl_type {
     */
    union {
       const struct glsl_type *array;            /**< Type of array elements. */
-      const struct glsl_type *parameters;       /**< Parameters to function. */
+      struct glsl_function_param *parameters;   /**< Parameters to function. */
       struct glsl_struct_field *structure;      /**< List of struct fields. */
    } fields;
 
@@ -263,6 +264,13 @@ struct glsl_type {
                                                  enum glsl_interface_packing packing,
                                                  const char *block_name);
 
+   /**
+    * Get the instance of a function type
+    */
+   static const glsl_type *get_function_instance(const struct glsl_type *return_type,
+                                                 const glsl_function_param *parameters,
+                                                 unsigned num_params);
+
    /**
     * Get the type resulting from a multiplication of \p type_a * \p type_b
     */
@@ -676,6 +684,10 @@ private:
    glsl_type(const glsl_struct_field *fields, unsigned num_fields,
             enum glsl_interface_packing packing, const char *name);
 
+   /** Constructor for interface types */
+   glsl_type(const glsl_type *return_type,
+             const glsl_function_param *params, unsigned num_params);
+
    /** Constructor for array types */
    glsl_type(const glsl_type *array, unsigned length);
 
@@ -688,6 +700,9 @@ private:
    /** Hash table containing the known interface types. */
    static struct hash_table *interface_types;
 
+   /** Hash table containing the known function types. */
+   static struct hash_table *function_types;
+
    static int record_key_compare(const void *a, const void *b);
    static unsigned record_key_hash(const void *key);
 
@@ -715,6 +730,10 @@ private:
    /*@}*/
 };
 
+#undef DECL_TYPE
+#undef STRUCT_TYPE
+#endif /* __cplusplus */
+
 struct glsl_struct_field {
    const struct glsl_type *type;
    const char *name;
@@ -758,14 +777,17 @@ struct glsl_struct_field {
    int stream;
 };
 
+struct glsl_function_param {
+   const struct glsl_type *type;
+
+   bool in;
+   bool out;
+};
+
 static inline unsigned int
 glsl_align(unsigned int a, unsigned int align)
 {
    return (a + align - 1) / align * align;
 }
 
-#undef DECL_TYPE
-#undef STRUCT_TYPE
-#endif /* __cplusplus */
-
 #endif /* GLSL_TYPES_H */