From: Kenneth Graunke <kenneth@whitecape.org>
Date: Tue, 29 Dec 2015 23:18:05 +0000 (-0800)
Subject: nir/spirv/glsl450: Add a helper for doing fclamp().
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=227e2500050de49cfae838bfd99318c3731e253c;p=mesa.git

nir/spirv/glsl450: Add a helper for doing fclamp().
---

diff --git a/src/glsl/nir/spirv/vtn_glsl450.c b/src/glsl/nir/spirv/vtn_glsl450.c
index d4cb1bb9f3c..f4550baaf93 100644
--- a/src/glsl/nir/spirv/vtn_glsl450.c
+++ b/src/glsl/nir/spirv/vtn_glsl450.c
@@ -41,6 +41,13 @@ build_length(nir_builder *b, nir_ssa_def *vec)
    }
 }
 
+static inline nir_ssa_def *
+build_fclamp(nir_builder *b,
+             nir_ssa_def *x, nir_ssa_def *min_val, nir_ssa_def *max_val)
+{
+   return nir_fmin(b, nir_fmax(b, x, min_val), max_val);
+}
+
 /**
  * Return e^x.
  */