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tgsi: added debugging code to catch divide by zero

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This commit is contained in:
Brian Paul 2010-02-03 08:50:32 -07:00
parent 9ca6cf0f54
commit f8d824e09a
1 changed files with 12 additions and 0 deletions
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12
src/gallium/auxiliary/tgsi/tgsi_exec.c
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@ -264,6 +264,12 @@ static void
micro_rcp(union tgsi_exec_channel *dst, micro_rcp(union tgsi_exec_channel *dst,
const union tgsi_exec_channel *src) 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[0] = 1.0f / src->f[0];
dst->f[1] = 1.0f / src->f[1]; dst->f[1] = 1.0f / src->f[1];
dst->f[2] = 1.0f / src->f[2]; dst->f[2] = 1.0f / src->f[2];
@ -284,6 +290,12 @@ static void
micro_rsq(union tgsi_exec_channel *dst, micro_rsq(union tgsi_exec_channel *dst,
const union tgsi_exec_channel *src) 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[0] = 1.0f / sqrtf(fabsf(src->f[0]));
dst->f[1] = 1.0f / sqrtf(fabsf(src->f[1])); dst->f[1] = 1.0f / sqrtf(fabsf(src->f[1]));
dst->f[2] = 1.0f / sqrtf(fabsf(src->f[2])); dst->f[2] = 1.0f / sqrtf(fabsf(src->f[2]));