v2: Added comments describing each of the rounding modes. (Jason
Ekstrand)
Reviewed-by: Jason Ekstrand <[email protected]>
---
src/compiler/nir/nir.h | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/src/compiler/nir/nir.h b/src/compiler/nir/nir.h
index d50e81b46d..883f371d1f 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];
--
2.14.3
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