From 22459e7a9ca01cc5af8d9baeb6354d2e825cdbc9 Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Fri, 7 Nov 2008 12:59:36 -0700 Subject: mesa: forgot sqrt in NRM3/4 instructions --- src/mesa/shader/prog_execute.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/mesa/shader/prog_execute.c b/src/mesa/shader/prog_execute.c index ef17ed128..96a083527 100644 --- a/src/mesa/shader/prog_execute.c +++ b/src/mesa/shader/prog_execute.c @@ -1190,7 +1190,7 @@ _mesa_execute_program(GLcontext * ctx, fetch_vector4(&inst->SrcReg[0], machine, a); tmp = a[0] * a[0] + a[1] * a[1] + a[2] * a[2]; if (tmp != 0.0F) - tmp = 1.0F / tmp; + tmp = INV_SQRTF(tmp); result[0] = tmp * a[0]; result[1] = tmp * a[1]; result[2] = tmp * a[2]; @@ -1205,7 +1205,7 @@ _mesa_execute_program(GLcontext * ctx, fetch_vector4(&inst->SrcReg[0], machine, a); tmp = a[0] * a[0] + a[1] * a[1] + a[2] * a[2] + a[3] * a[3]; if (tmp != 0.0F) - tmp = 1.0F / tmp; + tmp = INV_SQRTF(tmp); result[0] = tmp * a[0]; result[1] = tmp * a[1]; result[2] = tmp * a[2]; -- cgit v1.2.3