Merge branch 'blender-v2.92-release'
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commit
7e32bb8492
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@ -15,7 +15,20 @@
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*/
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#ifdef WITH_NANOVDB
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/* Data type to replace `double` used in the NanoVDB headers. Cycles don't need doubles, and is
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* safer and more portable to never use double datatype on GPU.
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* Use a special structure, so that the following is true:
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* - No unnoticed implicit cast or mathermatical operations used on scalar 64bit type
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* (which rules out trick like using `uint64_t` as a drop-in replacement for double).
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* - Padding rules are matching exactly `double`
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* (which rules out array of `uint8_t`). */
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typedef struct ccl_vdb_double_t {
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uint64_t i;
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} ccl_vdb_double_t;
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# define double ccl_vdb_double_t
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# include "nanovdb/CNanoVDB.h"
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# undef double
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#endif
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/* For OpenCL we do manual lookup and interpolation. */
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