From cf9df3b5d49a80e8adad87dc362e479cc1d7d436 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9mi=20Verschelde?= <rverschelde@gmail.com>
Date: Thu, 22 Dec 2022 16:22:33 +0100
Subject: meshoptimizer: Sync with upstream commit 4a287848f

https://github.com/zeux/meshoptimizer/commit/4a287848fd664ae1c3fc8e5e008560534ceeb526
---
 thirdparty/meshoptimizer/indexgenerator.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'thirdparty/meshoptimizer/indexgenerator.cpp')

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;
-- 
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