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keys (#70)
LLUUID and LLMaterialID already have an excellent entropy and value dispersion; there is therefore strictly no need to further (slowly) hash their value for use with std and boost libraries containers.
This commit adds a trivial getDigest64() method to both LLUUID and LLMaterialID (which simply returns the XOR of the two 64 bits long words their value is made of), and uses it in std::hash and hash_value() specializations for use with containers.
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speed matters. (#64)
This commit adds the HBXX64 and HBXX128 classes for use as a drop-in
replacement for the slow LLMD5 hashing class, where speed matters and
backward compatibility (with standard hashing algorithms) and/or
cryptographic hashing qualities are not required.
It also replaces LLMD5 with HBXX* in a few existing hot (well, ok, just
"warm" for some) paths meeting the above requirements, while paving the way for
future use cases, such as in the DRTVWR-559 and sibling branches where the slow
LLMD5 is used (e.g. to hash materials and vertex buffer cache entries), and
could be use such a (way) faster algorithm with very significant benefits and
no negative impact.
Here is the comment I added in indra/llcommon/hbxx.h:
// HBXXH* classes are to be used where speed matters and cryptographic quality
// is not required (no "one-way" guarantee, though they are likely not worst in
// this respect than MD5 which got busted and is now considered too weak). The
// xxHash code they are built upon is vectorized and about 50 times faster than
// MD5. A 64 bits hash class is also provided for when 128 bits of entropy are
// not needed. The hashes collision rate is similar to MD5's.
// See https://github.com/Cyan4973/xxHash#readme for details.
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Should be fixed by SL-18996, but just in case user decides to select a model while viewer closes
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# Conflicts:
# indra/newview/llmodelpreview.h
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# Conflicts:
# indra/newview/llpanelface.cpp
# indra/newview/llpanelface.h
# indra/newview/llpanelobject.cpp
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# Conflicts:
# indra/newview/llfloaterworldmap.cpp
# indra/newview/llvovolume.cpp
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1. Fixed cursor position calculations
2. Fixed selection rect calculation
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# Conflicts:
# doc/contributions.txt
# indra/newview/llviewercontrol.cpp
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# Conflicts:
# indra/llprimitive/llmodel.cpp
# indra/llprimitive/llmodel.h
# indra/newview/llappviewer.cpp
# indra/newview/llappviewer.h
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# Conflicts:
# autobuild.xml
# indra/cmake/LLCommon.cmake
# indra/llcommon/CMakeLists.txt
# indra/llrender/llgl.cpp
# indra/newview/llappviewer.cpp
# indra/newview/llface.cpp
# indra/newview/llflexibleobject.cpp
# indra/newview/llvovolume.cpp
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# Conflicts:
# autobuild.xml
# doc/contributions.txt
# indra/cmake/GLOD.cmake
# indra/llcommon/tests/llprocess_test.cpp
# indra/newview/VIEWER_VERSION.txt
# indra/newview/lldrawpoolavatar.cpp
# indra/newview/llfloatermodelpreview.cpp
# indra/newview/llmodelpreview.cpp
# indra/newview/llviewertexturelist.cpp
# indra/newview/llvovolume.cpp
# indra/newview/viewer_manifest.py
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# Conflicts:
# indra/llaudio/llstreamingaudio_fmodstudio.cpp
# indra/newview/llviewerregion.cpp
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Were not displaying and uploading correctly.
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# Conflicts:
# indra/newview/app_settings/key_bindings.xml
# indra/newview/llappviewer.cpp
# indra/newview/llkeyconflict.cpp
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# Conflicts:
# indra/newview/llagentwearables.cpp
# indra/newview/llvoicevivox.cpp
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# Conflicts:
# doc/contributions.txt
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# Conflicts:
# autobuild.xml
# indra/newview/installers/windows/lang_pl.nsi
# indra/newview/llfloaterpreference.cpp
# indra/newview/llinventorymodel.cpp
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mHasGeneratedFaces is always true for some types of models and glod was treating faces as one mesh by default, so meshoptimizer should do the same regardles of mHasGeneratedFaces
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# Conflicts:
# indra/newview/llappviewer.cpp
# indra/newview/llappviewerwin32.cpp
# indra/newview/llmachineid.cpp
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Normally simplification methods apply for whole upload, but this one selects methods per model or per face.
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# Conflicts:
# doc/contributions.txt
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masks.
Revert "SL-12069 Issues with bakes-on-mesh and alpha modes"
This reverts commit 5691d302ef876a7e6fb6861441f14e5e7f0c7735.
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# Conflicts:
# doc/contributions.txt
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