From f8d824e09a54871df899f368ebaadc9a4e5b62ff Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Wed, 3 Feb 2010 08:50:32 -0700 Subject: tgsi: added debugging code to catch divide by zero --- src/gallium/auxiliary/tgsi/tgsi_exec.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.c b/src/gallium/auxiliary/tgsi/tgsi_exec.c index c0d1b01183a..f7a1bb74a9d 100644 --- a/src/gallium/auxiliary/tgsi/tgsi_exec.c +++ b/src/gallium/auxiliary/tgsi/tgsi_exec.c @@ -264,6 +264,12 @@ static void micro_rcp(union tgsi_exec_channel *dst, const union tgsi_exec_channel *src) { +#if 0 /* for debugging */ + assert(src->f[0] != 0.0f); + assert(src->f[1] != 0.0f); + assert(src->f[2] != 0.0f); + assert(src->f[3] != 0.0f); +#endif dst->f[0] = 1.0f / src->f[0]; dst->f[1] = 1.0f / src->f[1]; dst->f[2] = 1.0f / src->f[2]; @@ -284,6 +290,12 @@ static void micro_rsq(union tgsi_exec_channel *dst, const union tgsi_exec_channel *src) { +#if 0 /* for debugging */ + assert(src->f[0] != 0.0f); + assert(src->f[1] != 0.0f); + assert(src->f[2] != 0.0f); + assert(src->f[3] != 0.0f); +#endif dst->f[0] = 1.0f / sqrtf(fabsf(src->f[0])); dst->f[1] = 1.0f / sqrtf(fabsf(src->f[1])); dst->f[2] = 1.0f / sqrtf(fabsf(src->f[2])); -- cgit v1.2.3