diff options
Diffstat (limited to 'indra/newview/llmeshrepository.cpp')
| -rw-r--r-- | indra/newview/llmeshrepository.cpp | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/indra/newview/llmeshrepository.cpp b/indra/newview/llmeshrepository.cpp index df708013fc..7c48d9b233 100644 --- a/indra/newview/llmeshrepository.cpp +++ b/indra/newview/llmeshrepository.cpp @@ -4021,6 +4021,38 @@ void LLMeshRepository::uploadError(LLSD& args) mUploadErrorQ.push(args); } +F32 LLMeshRepository::getEstTrianglesMax(LLUUID mesh_id) +{ + F32 triangles_max = 0.f; + if (mThread && mesh_id.notNull()) + { + LLMutexLock lock(mThread->mHeaderMutex); + LLMeshRepoThread::mesh_header_map::iterator iter = mThread->mMeshHeader.find(mesh_id); + if (iter != mThread->mMeshHeader.end() && mThread->mMeshHeaderSize[mesh_id] > 0) + { + LLSD& header = iter->second; + if (header.has("404") + || !header.has("lowest_lod") + || (header.has("version") && header["version"].asInteger() > MAX_MESH_VERSION)) + { + return 0.f; + } + + S32 bytes_high = header["high_lod"]["size"].asInteger(); + S32 bytes_med = header["medium_lod"]["size"].asInteger(); + S32 bytes_low = header["low_lod"]["size"].asInteger(); + S32 bytes_lowest = header["lowest_lod"]["size"].asInteger(); + S32 bytes_max = llmax(bytes_high, bytes_med, bytes_low, bytes_lowest); + + F32 METADATA_DISCOUNT = (F32) gSavedSettings.getU32("MeshMetaDataDiscount"); //discount 128 bytes to cover the cost of LLSD tags and compression domain overhead + F32 MINIMUM_SIZE = (F32) gSavedSettings.getU32("MeshMinimumByteSize"); //make sure nothing is "free" + F32 bytes_per_triangle = (F32) gSavedSettings.getU32("MeshBytesPerTriangle"); + triangles_max = llmax((F32) bytes_max-METADATA_DISCOUNT, MINIMUM_SIZE)/bytes_per_triangle; + } + } + return triangles_max; +} + F32 LLMeshRepository::getStreamingCost(LLUUID mesh_id, F32 radius, S32* bytes, S32* bytes_visible, S32 lod, F32 *unscaled_value) { if (mThread && mesh_id.notNull()) |