From: Matt Turner <mattst88@gmail.com>
Date: Thu, 4 Dec 2014 21:35:25 +0000 (-0800)
Subject: i965/fs: Add a negate() function.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=66cc8de042134525483444274c0161b2feaf46fa;p=mesa.git

i965/fs: Add a negate() function.

Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
---

diff --git a/src/mesa/drivers/dri/i965/brw_fs.h b/src/mesa/drivers/dri/i965/brw_fs.h
index b29b6b09bbe..c7bc55cb929 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.h
+++ b/src/mesa/drivers/dri/i965/brw_fs.h
@@ -118,6 +118,14 @@ public:
    uint8_t stride;
 };
 
+static inline fs_reg
+negate(fs_reg reg)
+{
+   assert(reg.file != HW_REG && reg.file != IMM);
+   reg.negate = !reg.negate;
+   return reg;
+}
+
 static inline fs_reg
 retype(fs_reg reg, enum brw_reg_type type)
 {