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Update meshoptimizer to v0.23

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Also remove the reference to a patch that was removed in a prior commit.

This includes improvements to simplification wrt attribute metric for certain
edge cases.
This commit is contained in:
Arseny Kapoulkine
2025-05-23 06:08:25 +01:00
parent 7a0ab9d561
commit 4c530cb6a9
8 changed files with 1821 additions and 417 deletions
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24
thirdparty/meshoptimizer/indexcodec.cpp vendored
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@@ -14,6 +14,7 @@ const unsigned char kIndexHeader = 0xe0;
const unsigned char kSequenceHeader = 0xd0;
static int gEncodeIndexVersion = 1;
const int kDecodeIndexVersion = 1;
typedef unsigned int VertexFifo[16];
typedef unsigned int EdgeFifo[16][2];
@@ -354,11 +355,28 @@ size_t meshopt_encodeIndexBufferBound(size_t index_count, size_t vertex_count)
void meshopt_encodeIndexVersion(int version)
{
assert(unsigned(version) <= 1);
assert(unsigned(version) <= unsigned(meshopt::kDecodeIndexVersion));
meshopt::gEncodeIndexVersion = version;
}
int meshopt_decodeIndexVersion(const unsigned char* buffer, size_t buffer_size)
{
if (buffer_size < 1)
return -1;
unsigned char header = buffer[0];
if ((header & 0xf0) != meshopt::kIndexHeader && (header & 0xf0) != meshopt::kSequenceHeader)
return -1;
int version = header & 0x0f;
if (version > meshopt::kDecodeIndexVersion)
return -1;
return version;
}
int meshopt_decodeIndexBuffer(void* destination, size_t index_count, size_t index_size, const unsigned char* buffer, size_t buffer_size)
{
using namespace meshopt;
@@ -374,7 +392,7 @@ int meshopt_decodeIndexBuffer(void* destination, size_t index_count, size_t inde
return -1;
int version = buffer[0] & 0x0f;
if (version > 1)
if (version > kDecodeIndexVersion)
return -1;
EdgeFifo edgefifo;
@@ -627,7 +645,7 @@ int meshopt_decodeIndexSequence(void* destination, size_t index_count, size_t in
return -1;
int version = buffer[0] & 0x0f;
if (version > 1)
if (version > kDecodeIndexVersion)
return -1;
const unsigned char* data = buffer + 1;