From 7a2af605c2c2b0d2e9bbb0b161eba8842acefbcb Mon Sep 17 00:00:00 2001
From: marha <marha@users.sourceforge.net>
Date: Fri, 15 Jun 2012 08:28:24 +0200
Subject: fontconfig mesa pixman xserver git update 15 juni 2012

---
 mesalib/src/glsl/ir.h | 26 ++++++++++++++++++++++----
 1 file changed, 22 insertions(+), 4 deletions(-)

(limited to 'mesalib/src/glsl/ir.h')

diff --git a/mesalib/src/glsl/ir.h b/mesalib/src/glsl/ir.h
index a3f9f0588..55535b2f5 100644
--- a/mesalib/src/glsl/ir.h
+++ b/mesalib/src/glsl/ir.h
@@ -201,7 +201,8 @@ public:
     * for vector and scalar types that have all elements set to the value
     * zero (or \c false for booleans).
     *
-    * \sa ir_constant::has_value, ir_rvalue::is_one, ir_rvalue::is_negative_one
+    * \sa ir_constant::has_value, ir_rvalue::is_one, ir_rvalue::is_negative_one,
+    *     ir_constant::is_basis
     */
    virtual bool is_zero() const;
 
@@ -213,7 +214,8 @@ public:
     * for vector and scalar types that have all elements set to the value
     * one (or \c true for booleans).
     *
-    * \sa ir_constant::has_value, ir_rvalue::is_zero, ir_rvalue::is_negative_one
+    * \sa ir_constant::has_value, ir_rvalue::is_zero, ir_rvalue::is_negative_one,
+    *     ir_constant::is_basis
     */
    virtual bool is_one() const;
 
@@ -223,12 +225,27 @@ public:
     * The base implementation of this function always returns \c false.  The
     * \c ir_constant class over-rides this function to return \c true \b only
     * for vector and scalar types that have all elements set to the value
-    * negative one.  For boolean times, the result is always \c false.
+    * negative one.  For boolean types, the result is always \c false.
     *
     * \sa ir_constant::has_value, ir_rvalue::is_zero, ir_rvalue::is_one
+    *     ir_constant::is_basis
     */
    virtual bool is_negative_one() const;
 
+   /**
+    * Determine if an r-value is a basis vector
+    *
+    * The base implementation of this function always returns \c false.  The
+    * \c ir_constant class over-rides this function to return \c true \b only
+    * for vector and scalar types that have one element set to the value one,
+    * and the other elements set to the value zero.  For boolean types, the
+    * result is always \c false.
+    *
+    * \sa ir_constant::has_value, ir_rvalue::is_zero, ir_rvalue::is_one,
+    *     is_constant::is_negative_one
+    */
+   virtual bool is_basis() const;
+
 
    /**
     * Return a generic value of error_type.
@@ -1743,13 +1760,14 @@ public:
     * Determine whether a constant has the same value as another constant
     *
     * \sa ir_constant::is_zero, ir_constant::is_one,
-    * ir_constant::is_negative_one
+    * ir_constant::is_negative_one, ir_constant::is_basis
     */
    bool has_value(const ir_constant *) const;
 
    virtual bool is_zero() const;
    virtual bool is_one() const;
    virtual bool is_negative_one() const;
+   virtual bool is_basis() const;
 
    /**
     * Value of the constant.
-- 
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