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simplify: Slightly improve tracing for pruning

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Since we rarely have no-op pruning now, it should be fine to always
print pruning stats; this also makes it easier for us to print single
line traces for the cleanup passes.
This commit is contained in:
Arseny Kapoulkine
2024-09-25 13:24:51 -07:00
parent 122e6e9d16
commit d6b24c50a3
1 changed files with 11 additions and 6 deletions
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src/simplifier.cpp
+11 -6
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@@ -1463,16 +1463,20 @@ static size_t pruneComponents(unsigned int* indices, size_t index_count, const u
}
}
#if TRACE
size_t pruned_components = 0;
for (size_t i = 0; i < component_count; ++i)
pruned_components += (component_errors[i] >= nexterror && component_errors[i] <= error_cutoff);
printf("pruned %d triangles in %d components (goal %e)\n", int((index_count - write) / 3), int(pruned_components), sqrtf(error_cutoff));
#endif
// update next error with the smallest error of the remaining components for future pruning
nexterror = FLT_MAX;
for (size_t i = 0; i < component_count; ++i)
if (component_errors[i] > error_cutoff)
nexterror = nexterror > component_errors[i] ? component_errors[i] : nexterror;
#if TRACE
if (write < index_count)
printf("pruned %d / %d triangles (error <= %e)\n", int((index_count - write) / 3), int(index_count / 3), sqrtf(error_cutoff));
#endif
return write;
}
@@ -1982,11 +1986,12 @@ size_t meshopt_simplifyEdge(unsigned int* destination, const unsigned int* indic
while ((options & meshopt_SimplifyPrune) && result_count > target_index_count && component_nexterror <= error_limit)
{
#if TRACE
printf("pass %d: pruning remaining components\n", int(pass_count++));
printf("pass %d: cleanup; ", int(pass_count++));
#endif
float component_cutoff = component_nexterror * 1.5f < error_limit ? component_nexterror * 1.5f : error_limit;
// track maximum error in eligible components as we are increasing resulting error
float component_maxerror = 0;
for (size_t i = 0; i < component_count; ++i)
if (component_errors[i] > component_maxerror && component_errors[i] <= component_cutoff)