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tgsi: added some helpful debug functions in the tgsi interpreter

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Check for NaN/Inf, print exec vectors, print temp registers.
This commit is contained in:
Brian Paul 2009-03-31 16:17:23 -06:00
parent 919f57078b
commit a44f54912e
1 changed files with 53 additions and 0 deletions
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53
src/gallium/auxiliary/tgsi/tgsi_exec.c
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@ -127,6 +127,49 @@
static const union tgsi_exec_channel ZeroVec =
{ { 0.0, 0.0, 0.0, 0.0 } };
#ifdef DEBUG
static 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]));
}
#endif
#ifdef DEBUG
static void
print_chan(const char *msg, const union tgsi_exec_channel *chan)
{
debug_printf("%s = {%f, %f, %f, %f}\n",
msg, chan->f[0], chan->f[1], chan->f[2], chan->f[3]);
}
#endif
#ifdef DEBUG
static void
print_temp(const struct tgsi_exec_machine *mach, uint index)
{
const struct tgsi_exec_vector *tmp = &mach->Temps[index];
int i;
debug_printf("Temp[%u] =\n", index);
for (i = 0; i < 4; i++) {
debug_printf(" %c: { %f, %f, %f, %f }\n",
"XYZW"[i],
tmp->xyzw[i].f[0],
tmp->xyzw[i].f[1],
tmp->xyzw[i].f[2],
tmp->xyzw[i].f[3]);
}
}
#endif
/**
* Initialize machine state by expanding tokens to full instructions,
* allocating temporary storage, setting up constants, etc.
@ -282,6 +325,12 @@ tgsi_exec_machine_init(
mach->Temps[TEMP_3_I].xyzw[TEMP_3_C].f[i] = 3.0f;
mach->Temps[TEMP_HALF_I].xyzw[TEMP_HALF_C].f[i] = 0.5f;
}
#ifdef DEBUG
/* silence warnings */
(void) print_chan;
(void) print_temp;
#endif
}
@ -1285,6 +1334,10 @@ store_dest(
union tgsi_exec_channel *dst;
uint execmask = mach->ExecMask;
#ifdef DEBUG
check_inf_or_nan(chan);
#endif
switch (reg->DstRegister.File) {
case TGSI_FILE_NULL:
dst = &null;