Mesa (master): glsl: add min() and max() functions to builder.cpp

[Kenneth Graunke]

Module: Mesa
Branch: master
Commit: 61c450fc81900131621e57fdd78a40e82239daf3
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=61c450fc81900131621e57fdd78a40e82239daf3

Author: Maxence Le Doré <maxence.ledore at gmail.com>
Date:   Fri Jan  3 00:09:50 2014 +0100

glsl: add min() and max() functions to builder.cpp

Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>

---

 src/glsl/ir_builder.cpp |   10 ++++++++++
 src/glsl/ir_builder.h   |    3 +++
 2 files changed, 13 insertions(+)

diff --git a/src/glsl/ir_builder.cpp b/src/glsl/ir_builder.cpp
index 6c49734..31ed191 100644
--- a/src/glsl/ir_builder.cpp
+++ b/src/glsl/ir_builder.cpp
@@ -211,6 +211,16 @@ ir_expression *sub(operand a, operand b)
    return expr(ir_binop_sub, a, b);
 }
 
+ir_expression *min(operand a, operand b)
+{
+   return expr(ir_binop_min, a, b);
+}
+
+ir_expression *max(operand a, operand b)
+{
+   return expr(ir_binop_max, a, b);
+}
+
 ir_expression *mul(operand a, operand b)
 {
    return expr(ir_binop_mul, a, b);
diff --git a/src/glsl/ir_builder.h b/src/glsl/ir_builder.h
index 1f07788..4b85ea1 100644
--- a/src/glsl/ir_builder.h
+++ b/src/glsl/ir_builder.h
@@ -184,6 +184,9 @@ ir_expression *i2b(operand a);
 ir_expression *f2b(operand a);
 ir_expression *b2f(operand a);
 
+ir_expression *min(operand a, operand b);
+ir_expression *max(operand a, operand b);
+
 ir_expression *fma(operand a, operand b, operand c);
 ir_expression *lrp(operand x, operand y, operand a);
 ir_expression *csel(operand a, operand b, operand c);