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Updated meshoptimizer.

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This commit is contained in:
Бранимир Караџић 2021-05-28 20:16:57 -07:00
parent 923418d740
commit 4ada836d3d
1 changed files with 11 additions and 5 deletions
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16
3rdparty/meshoptimizer/src/simplifier.cpp vendored
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@ -118,8 +118,13 @@ struct PositionHasher
{
const unsigned int* key = reinterpret_cast<const unsigned int*>(vertex_positions + index * vertex_stride_float);
// scramble bits to make sure that integer coordinates have entropy in lower bits
unsigned int x = key[0] ^ (key[0] >> 17);
unsigned int y = key[1] ^ (key[1] >> 17);
unsigned int z = key[2] ^ (key[2] >> 17);
// Optimized Spatial Hashing for Collision Detection of Deformable Objects
return (key[0] * 73856093) ^ (key[1] * 19349663) ^ (key[2] * 83492791);
return (x * 73856093) ^ (y * 19349663) ^ (z * 83492791);
}
bool equal(unsigned int lhs, unsigned int rhs) const
@ -1038,7 +1043,7 @@ struct IdHasher
struct TriangleHasher
{
unsigned int* indices;
const unsigned int* indices;
size_t hash(unsigned int i) const
{
@ -1253,9 +1258,10 @@ static float interpolate(float y, float x0, float y0, float x1, float y1, float
} // namespace meshopt
#ifndef NDEBUG
unsigned char* meshopt_simplifyDebugKind = 0;
unsigned int* meshopt_simplifyDebugLoop = 0;
unsigned int* meshopt_simplifyDebugLoopBack = 0;
// Note: this is only exposed for debug visualization purposes; do *not* use these in debug builds
MESHOPTIMIZER_API unsigned char* meshopt_simplifyDebugKind = 0;
MESHOPTIMIZER_API unsigned int* meshopt_simplifyDebugLoop = 0;
MESHOPTIMIZER_API unsigned int* meshopt_simplifyDebugLoopBack = 0;
#endif
size_t meshopt_simplify(unsigned int* destination, const unsigned int* indices, size_t index_count, const float* vertex_positions_data, size_t vertex_count, size_t vertex_positions_stride, size_t target_index_count, float target_error, float* out_result_error)