From: Jose Maria Casanova Crespo <jmcasanova@igalia.com>
Date: Sat, 1 Jul 2017 05:56:51 +0000 (+0200)
Subject: nir: Add rounding modes enum
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=d7114454305a64f9624d7b1fcc726d97d7f1835a;p=mesa.git

nir: Add rounding modes enum

v2: Added comments describing each of the rounding modes. (Jason
    Ekstrand)

Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
---

diff --git a/src/compiler/nir/nir.h b/src/compiler/nir/nir.h
index 2abf2ddd843..1e0dee91192 100644
--- a/src/compiler/nir/nir.h
+++ b/src/compiler/nir/nir.h
@@ -106,6 +106,16 @@ typedef enum {
    nir_var_all             = ~0,
 } nir_variable_mode;
 
+/**
+ * Rounding modes.
+ */
+typedef enum {
+   nir_rounding_mode_undef = 0,
+   nir_rounding_mode_rtne  = 1, /* round to nearest even */
+   nir_rounding_mode_ru    = 2, /* round up */
+   nir_rounding_mode_rd    = 3, /* round down */
+   nir_rounding_mode_rtz   = 4, /* round towards zero */
+} nir_rounding_mode;
 
 typedef union {
    float f32[4];