Mesa (master): program: Use exp2(x) instead of pow(2.0, x).
Matt Turner
mattst88 at kemper.freedesktop.org
Wed Jul 29 16:32:06 UTC 2015
Module: Mesa
Branch: master
Commit: b73782bf184b7053026e8dda54800d48e64e20da
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=b73782bf184b7053026e8dda54800d48e64e20da
Author: Matt Turner <mattst88 at gmail.com>
Date: Mon Jul 13 15:19:33 2015 -0700
program: Use exp2(x) instead of pow(2.0, x).
---
src/mesa/program/prog_execute.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/mesa/program/prog_execute.c b/src/mesa/program/prog_execute.c
index 46260b5..77274e2 100644
--- a/src/mesa/program/prog_execute.c
+++ b/src/mesa/program/prog_execute.c
@@ -723,7 +723,7 @@ _mesa_execute_program(struct gl_context * ctx,
* result.z = result.x * APPX(result.y)
* We do what the ARB extension says.
*/
- q[2] = (GLfloat) pow(2.0, t[0]);
+ q[2] = exp2f(t[0]);
}
q[1] = t[0] - floor_t0;
q[3] = 1.0F;
@@ -734,7 +734,7 @@ _mesa_execute_program(struct gl_context * ctx,
{
GLfloat a[4], result[4], val;
fetch_vector1(&inst->SrcReg[0], machine, a);
- val = (GLfloat) pow(2.0, a[0]);
+ val = exp2f(a[0]);
/*
if (IS_INF_OR_NAN(val))
val = 1.0e10;
More information about the mesa-commit
mailing list