diff options
Diffstat (limited to 'src/gallium/auxiliary/tgsi/tgsi_exec.c')
| -rw-r--r-- | src/gallium/auxiliary/tgsi/tgsi_exec.c | 39 |
1 files changed, 30 insertions, 9 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.c b/src/gallium/auxiliary/tgsi/tgsi_exec.c index fbb9aa0e63..f7a1bb74a9 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])); @@ -450,12 +462,20 @@ static const union tgsi_exec_channel ZeroVec = { { 0.0, 0.0, 0.0, 0.0 } }; -#define CHECK_INF_OR_NAN(chan) do {\ - assert(!util_is_inf_or_nan((chan)->f[0]));\ - assert(!util_is_inf_or_nan((chan)->f[1]));\ - assert(!util_is_inf_or_nan((chan)->f[2]));\ - assert(!util_is_inf_or_nan((chan)->f[3]));\ - } while (0) +/** + * Assert that none of the float values in 'chan' are infinite or NaN. + * NaN and Inf may occur normally during program execution and should + * not lead to crashes, etc. But when debugging, it's helpful to catch + * them. + */ +static INLINE void +check_inf_or_nan(const union tgsi_exec_channel *chan) +{ + assert(!util_is_inf_or_nan((chan)->f[0])); + assert(!util_is_inf_or_nan((chan)->f[1])); + assert(!util_is_inf_or_nan((chan)->f[2])); + assert(!util_is_inf_or_nan((chan)->f[3])); +} #ifdef DEBUG @@ -1219,8 +1239,9 @@ store_dest(struct tgsi_exec_machine *mach, int offset = 0; /* indirection offset */ int index; - if (dst_datatype == TGSI_EXEC_DATA_FLOAT) { - CHECK_INF_OR_NAN(chan); + /* for debugging */ + if (0 && dst_datatype == TGSI_EXEC_DATA_FLOAT) { + check_inf_or_nan(chan); } /* There is an extra source register that indirectly subscripts @@ -1478,7 +1499,7 @@ emit_primitive(struct tgsi_exec_machine *mach) } /* - * Fetch a four texture samples using STR texture coordinates. + * Fetch four texture samples using STR texture coordinates. */ static void fetch_texel( struct tgsi_sampler *sampler, |