Merge branch 'master' of ../mesa into vulkan

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

diff --git a/src/glsl/glsl_types.h b/src/glsl/glsl_types.h
index 3ec764219de9fdb4ac7bb597a3b484aa216a2c40..b83e1ca3d2cbca3c2f65a41443171a27e700e7e7 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,
@@ -180,7 +181,7 @@ 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;
 
@@ -270,6 +271,13 @@ struct glsl_type {
     */
    static const glsl_type *get_subroutine_instance(const char *subroutine_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
     */
@@ -736,6 +744,10 @@ 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);
 
@@ -754,6 +766,9 @@ private:
    /** Hash table containing the known subroutine types. */
    static struct hash_table *subroutine_types;
 
+   /** Hash table containing the known function types. */
+   static struct hash_table *function_types;
+
    static bool record_key_compare(const void *a, const void *b);
    static unsigned record_key_hash(const void *key);
 
@@ -781,6 +796,10 @@ private:
    /*@}*/
 };
 
+#undef DECL_TYPE
+#undef STRUCT_TYPE
+#endif /* __cplusplus */
+
 struct glsl_struct_field {
    const struct glsl_type *type;
    const char *name;
@@ -829,7 +848,6 @@ struct glsl_struct_field {
     */
    int stream;
 
-
    /**
     * Image qualifiers, applicable to buffer variables defined in shader
     * storage buffer objects (SSBOs)
@@ -840,6 +858,7 @@ struct glsl_struct_field {
    unsigned image_volatile:1;
    unsigned image_restrict:1;
 
+#ifdef __cplusplus
    glsl_struct_field(const struct glsl_type *_type, const char *_name)
       : type(_type), name(_name), location(-1), interpolation(0), centroid(0),
         sample(0), matrix_layout(GLSL_MATRIX_LAYOUT_INHERITED), patch(0),
@@ -852,6 +871,14 @@ struct glsl_struct_field {
    {
       /* empty */
    }
+#endif
+};
+
+struct glsl_function_param {
+   const struct glsl_type *type;
+
+   bool in;
+   bool out;
 };
 
 static inline unsigned int
@@ -860,8 +887,4 @@ 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 */