Merge pull request #70446 from akien-mga/meshoptimizer-4a287848f

meshoptimizer: Sync with upstream commit 4a287848f

1 files changed, 3 insertions, 3 deletions

diff --git a/thirdparty/meshoptimizer/indexgenerator.cpp b/thirdparty/meshoptimizer/indexgenerator.cpp
index f60db0dc4f..cad808a2b1 100644
--- a/thirdparty/meshoptimizer/indexgenerator.cpp
+++ b/thirdparty/meshoptimizer/indexgenerator.cpp
@@ -187,7 +187,7 @@ size_t meshopt_generateVertexRemap(unsigned int* destination, const unsigned int
 	using namespace meshopt;
 
 	assert(indices || index_count == vertex_count);
-	assert(index_count % 3 == 0);
+	assert(!indices || index_count % 3 == 0);
 	assert(vertex_size > 0 && vertex_size <= 256);
 
 	meshopt_Allocator allocator;
@@ -412,7 +412,7 @@ void meshopt_generateAdjacencyIndexBuffer(unsigned int* destination, const unsig
 	using namespace meshopt;
 
 	assert(index_count % 3 == 0);
-	assert(vertex_positions_stride > 0 && vertex_positions_stride <= 256);
+	assert(vertex_positions_stride >= 12 && vertex_positions_stride <= 256);
 	assert(vertex_positions_stride % sizeof(float) == 0);
 
 	meshopt_Allocator allocator;
@@ -483,7 +483,7 @@ void meshopt_generateTessellationIndexBuffer(unsigned int* destination, const un
 	using namespace meshopt;
 
 	assert(index_count % 3 == 0);
-	assert(vertex_positions_stride > 0 && vertex_positions_stride <= 256);
+	assert(vertex_positions_stride >= 12 && vertex_positions_stride <= 256);
 	assert(vertex_positions_stride % sizeof(float) == 0);
 
 	meshopt_Allocator allocator;