Revert "i965/fs: Change fs_visitor::emit_lrp to use MAC for gen<6"

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

diff --git a/src/glsl/ir.h b/src/glsl/ir.h
index 5da61d5cfe540942f217241628f31aabcee657a7..ef4a12d60ef1220cb46b010af2d80fde2104316b 100644 (file)
--- a/src/glsl/ir.h
+++ b/src/glsl/ir.h
@@ -265,6 +265,13 @@ public:
     */
    virtual bool is_basis() const;
 
+   /**
+    * Determine if an r-value is an unsigned integer constant which can be
+    * stored in 16 bits.
+    *
+    * \sa ir_constant::is_uint16_constant.
+    */
+   virtual bool is_uint16_constant() const { return false; }
 
    /**
     * Return a generic value of error_type.
@@ -1458,6 +1465,18 @@ public:
         ? this->type->vector_elements : get_num_operands(operation);
    }
 
+   /**
+    * Return whether the expression operates on vectors horizontally.
+    */
+   bool is_horizontal() const
+   {
+      return operation == ir_binop_all_equal ||
+             operation == ir_binop_any_nequal ||
+             operation == ir_unop_any ||
+             operation == ir_binop_dot ||
+             operation == ir_quadop_vector;
+   }
+
    /**
     * Return a string representing this expression's operator.
     */
@@ -1902,15 +1921,6 @@ public:
     * Get the variable that is ultimately referenced by an r-value
     */
    virtual ir_variable *variable_referenced() const = 0;
-
-   /**
-    * Get the constant that is ultimately referenced by an r-value,
-    * in a constant expression evaluation context.
-    *
-    * The offset is used when the reference is to a specific column of
-    * a matrix.
-    */
-  virtual void constant_referenced(struct hash_table *variable_context, ir_constant *&store, int &offset) const = 0;
 };
 
 
@@ -1938,15 +1948,6 @@ public:
       return this->var;
    }
 
-   /**
-    * Get the constant that is ultimately referenced by an r-value,
-    * in a constant expression evaluation context.
-    *
-    * The offset is used when the reference is to a specific column of
-    * a matrix.
-    */
-   virtual void constant_referenced(struct hash_table *variable_context, ir_constant *&store, int &offset) const;
-
    virtual ir_variable *whole_variable_referenced()
    {
       /* ir_dereference_variable objects always dereference the entire
@@ -1998,15 +1999,6 @@ public:
       return this->array->variable_referenced();
    }
 
-   /**
-    * Get the constant that is ultimately referenced by an r-value,
-    * in a constant expression evaluation context.
-    *
-    * The offset is used when the reference is to a specific column of
-    * a matrix.
-    */
-   virtual void constant_referenced(struct hash_table *variable_context, ir_constant *&store, int &offset) const;
-
    virtual void accept(ir_visitor *v)
    {
       v->visit(this);
@@ -2046,15 +2038,6 @@ public:
       return this->record->variable_referenced();
    }
 
-   /**
-    * Get the constant that is ultimately referenced by an r-value,
-    * in a constant expression evaluation context.
-    *
-    * The offset is used when the reference is to a specific column of
-    * a matrix.
-    */
-   virtual void constant_referenced(struct hash_table *variable_context, ir_constant *&store, int &offset) const;
-
    virtual void accept(ir_visitor *v)
    {
       v->visit(this);
@@ -2188,6 +2171,14 @@ public:
    virtual bool is_negative_one() const;
    virtual bool is_basis() const;
 
+   /**
+    * Return true for constants that could be stored as 16-bit unsigned values.
+    *
+    * Note that this will return true even for signed integer ir_constants, as
+    * long as the value is non-negative and fits in 16-bits.
+    */
+   virtual bool is_uint16_constant() const;
+
    /**
     * Value of the constant.
     *
@@ -2210,8 +2201,6 @@ private:
    ir_constant(void);
 };
 
-/*@}*/
-
 /**
  * IR instruction to emit a vertex in a geometry shader.
  */
@@ -2259,6 +2248,8 @@ public:
    virtual ir_visitor_status accept(ir_hierarchical_visitor *);
 };
 
+/*@}*/
+
 /**
  * Apply a visitor to each IR node in a list
  */
@@ -2357,6 +2348,9 @@ extern "C" {
 extern void _mesa_print_ir(FILE *f, struct exec_list *instructions,
                            struct _mesa_glsl_parse_state *state);
 
+extern void
+fprint_ir(FILE *f, const void *instruction);
+
 #ifdef __cplusplus
 } /* extern "C" */
 #endif