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author | Brad Kittenbrink <brad@lindenlab.com> | 2022-04-27 10:27:48 -0700 |
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committer | Brad Kittenbrink <brad@lindenlab.com> | 2022-04-27 10:27:48 -0700 |
commit | a3ffa9f006b008b5faad248f700c8c2fbc6b74fd (patch) | |
tree | f674d4d4e3ab2d4ef4a7419594ea507506238232 /indra/llmeshoptimizer/llmeshoptimizer.cpp | |
parent | 030d61ac58be38f9f8aafeb68b383d88d670080b (diff) | |
parent | bafa869c21cb8b329f94be6fa930a43d11699082 (diff) |
Merge remote-tracking branch 'origin/DRTVWR-546' into DRTVWR-559
Diffstat (limited to 'indra/llmeshoptimizer/llmeshoptimizer.cpp')
-rw-r--r-- | indra/llmeshoptimizer/llmeshoptimizer.cpp | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/indra/llmeshoptimizer/llmeshoptimizer.cpp b/indra/llmeshoptimizer/llmeshoptimizer.cpp new file mode 100644 index 0000000000..a879389c5a --- /dev/null +++ b/indra/llmeshoptimizer/llmeshoptimizer.cpp @@ -0,0 +1,142 @@ + /** +* @file llmeshoptimizer.cpp +* @brief Wrapper around meshoptimizer +* +* $LicenseInfo:firstyear=2021&license=viewerlgpl$ +* Second Life Viewer Source Code +* Copyright (C) 2021, Linden Research, Inc. +* +* This library is free software; you can redistribute it and/or +* modify it under the terms of the GNU Lesser General Public +* License as published by the Free Software Foundation; +* version 2.1 of the License only. +* +* This library is distributed in the hope that it will be useful, +* but WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +* Lesser General Public License for more details. +* +* You should have received a copy of the GNU Lesser General Public +* License along with this library; if not, write to the Free Software +* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA +* +* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA +* $/LicenseInfo$ +*/ + +#include "llmeshoptimizer.h" + +#include "meshoptimizer.h" + +LLMeshOptimizer::LLMeshOptimizer() +{ + // Todo: Looks like for memory management, we can add allocator and deallocator callbacks + // Should be one time + // meshopt_setAllocator(allocate, deallocate); +} + +LLMeshOptimizer::~LLMeshOptimizer() +{ +} + +//static +void LLMeshOptimizer::generateShadowIndexBuffer(U16 *destination, + const U16 *indices, + U64 index_count, + const LLVector4a *vertex_positions, + U64 vertex_count, + U64 vertex_positions_stride +) +{ + meshopt_generateShadowIndexBuffer<unsigned short>(destination, + indices, + index_count, + (const float*)vertex_positions, // verify that it is correct to convert to float + vertex_count, + sizeof(LLVector4a), + vertex_positions_stride + ); +} + +//static +U64 LLMeshOptimizer::simplifyU32(U32 *destination, + const U32 *indices, + U64 index_count, + const LLVector4a *vertex_positions, + U64 vertex_count, + U64 vertex_positions_stride, + U64 target_index_count, + F32 target_error, + bool sloppy, + F32* result_error +) +{ + if (sloppy) + { + return meshopt_simplifySloppy<unsigned int>(destination, + indices, + index_count, + (const float*)vertex_positions, + vertex_count, + vertex_positions_stride, + target_index_count, + target_error, + result_error + ); + } + else + { + return meshopt_simplify<unsigned int>(destination, + indices, + index_count, + (const float*)vertex_positions, + vertex_count, + vertex_positions_stride, + target_index_count, + target_error, + result_error + ); + } +} + +//static +U64 LLMeshOptimizer::simplify(U16 *destination, + const U16 *indices, + U64 index_count, + const LLVector4a *vertex_positions, + U64 vertex_count, + U64 vertex_positions_stride, + U64 target_index_count, + F32 target_error, + bool sloppy, + F32* result_error + ) +{ + if (sloppy) + { + return meshopt_simplifySloppy<unsigned short>(destination, + indices, + index_count, + (const float*)vertex_positions, + vertex_count, + vertex_positions_stride, + target_index_count, + target_error, + result_error + ); + } + else + { + return meshopt_simplify<unsigned short>(destination, + indices, + index_count, + (const float*)vertex_positions, + vertex_count, + vertex_positions_stride, + target_index_count, + target_error, + result_error + ); + } +} + |