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SH-680 Apply a 128-byte discount per LoD block to cover the cost of metadata.

meow-7.2.2
Dave Parks 2011-06-27 10:39:41 -05:00
parent e7c5913c05
commit d5c784be4e
1 changed files with 7 additions and 4 deletions
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11
indra/newview/llmeshrepository.cpp
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@ -3164,10 +3164,13 @@ F32 LLMeshRepository::getStreamingCost(LLSD& header, F32 radius, S32* bytes, S32
F32 dlow = llmin(radius/0.06f, 256.f);
F32 dmid = llmin(radius/0.24f, 256.f);
F32 bytes_lowest = header["lowest_lod"]["size"].asReal()/1024.f;
F32 bytes_low = header["low_lod"]["size"].asReal()/1024.f;
F32 bytes_mid = header["medium_lod"]["size"].asReal()/1024.f;
F32 bytes_high = header["high_lod"]["size"].asReal()/1024.f;
F32 METADATA_DISCOUNT = 128.f; //discount 128 bytes to cover the cost of LLSD tags and compression domain overhead
F32 MINIMUM_SIZE = 32.f; //make sure nothing is "free"
F32 bytes_lowest = llmax((F32) header["lowest_lod"]["size"].asReal()-METADATA_DISCOUNT, MINIMUM_SIZE)/1024.f;
F32 bytes_low = llmax((F32) header["low_lod"]["size"].asReal()/-METADATA_DISCOUNT, MINIMUM_SIZE)/1024.f;
F32 bytes_mid = llmax((F32) header["medium_lod"]["size"].asReal()-METADATA_DISCOUNT, MINIMUM_SIZE)/1024.f;
F32 bytes_high = llmax((F32) header["high_lod"]["size"].asReal()-METADATA_DISCOUNT, MINIMUM_SIZE)/1024.f;
if (bytes)
{