diff options
Diffstat (limited to 'indra/newview/llmodelpreview.cpp')
| -rw-r--r-- | indra/newview/llmodelpreview.cpp | 41 |
1 files changed, 37 insertions, 4 deletions
diff --git a/indra/newview/llmodelpreview.cpp b/indra/newview/llmodelpreview.cpp index 9e5a31d71e..6bbe27d101 100644 --- a/indra/newview/llmodelpreview.cpp +++ b/indra/newview/llmodelpreview.cpp @@ -1757,7 +1757,11 @@ void LLModelPreview::genMeshOptimizerLODs(S32 which_lod, S32 meshopt_mode, U32 d // Run meshoptimizer for each face for (U32 face_idx = 0; face_idx < base->getNumVolumeFaces(); ++face_idx) { - genMeshOptimizerPerFace(base, target_model, face_idx, indices_decimator, lod_error_threshold, true); + if (genMeshOptimizerPerFace(base, target_model, face_idx, indices_decimator, lod_error_threshold, true) < 0) + { + // Sloppy failed and returned an invalid model + genMeshOptimizerPerFace(base, target_model, face_idx, indices_decimator, lod_error_threshold, false); + } } } @@ -1818,9 +1822,38 @@ void LLModelPreview::genMeshOptimizerLODs(S32 which_lod, S32 meshopt_mode, U32 d if (sloppy_ratio < 0) { - // sloppy method didn't work, final attempt with lower decimation - F32 sloppy_decimator = indices_decimator / decimation; - sloppy_ratio = genMeshOptimizerPerModel(base, target_model, sloppy_decimator, lod_error_threshold, true); + // Sloppy method didn't work, try with smaller decimation values + S32 size_vertices = 0; + + for (U32 face_idx = 0; face_idx < base->getNumVolumeFaces(); ++face_idx) + { + const LLVolumeFace &face = base->getVolumeFace(face_idx); + size_vertices += face.mNumVertices; + } + + // Complex models aren't supposed to get here, they are supposed + // to work on a first try of sloppy due to having more viggle room. + // If they didn't, something is likely wrong, no point locking the + // thread in a long calculation that will fail. + const U32 too_many_vertices = 27000; + if (size_vertices > too_many_vertices) + { + LL_WARNS() << "Sloppy optimization method failed for a complex model " << target_model->getName() << LL_ENDL; + } + else + { + // Find a decimator that does work + F32 sloppy_decimation_step = sqrt((F32)decimation); // example: 27->15->9->5->3 + F32 sloppy_decimator = indices_decimator / sloppy_decimation_step; + + while (sloppy_ratio < 0 + && sloppy_decimator > precise_ratio + && sloppy_decimator > 1)// precise_ratio isn't supposed to be below 1, but check just in case + { + sloppy_ratio = genMeshOptimizerPerModel(base, target_model, sloppy_decimator, lod_error_threshold, true); + sloppy_decimator = sloppy_decimator / sloppy_decimation_step; + } + } } if (sloppy_ratio < 0 || sloppy_ratio < precise_ratio) |