From 1a17e19a610b598650624fb0ae3e67352f00e499 Mon Sep 17 00:00:00 2001
From: Andrey Kleshchev <andreykproductengine@lindenlab.com>
Date: Thu, 8 Jul 2021 20:29:28 +0300
Subject: DRTVWR-542 WIP #2

---
 indra/llmeshoptimizer/llmeshoptimizer.cpp | 24 +++++++++++++++++++-----
 1 file changed, 19 insertions(+), 5 deletions(-)

(limited to 'indra/llmeshoptimizer/llmeshoptimizer.cpp')

diff --git a/indra/llmeshoptimizer/llmeshoptimizer.cpp b/indra/llmeshoptimizer/llmeshoptimizer.cpp
index c46fa8dcf3..02e97ef984 100644
--- a/indra/llmeshoptimizer/llmeshoptimizer.cpp
+++ b/indra/llmeshoptimizer/llmeshoptimizer.cpp
@@ -28,7 +28,6 @@
 
 #include "meshoptimizer.h"
 
-
 LLMeshOptimizer::LLMeshOptimizer()
 {
     // Todo: Looks like for memory management, we can add allocator and deallocator callbacks
@@ -38,12 +37,27 @@ LLMeshOptimizer::LLMeshOptimizer()
 
 LLMeshOptimizer::~LLMeshOptimizer()
 {
-
 }
 
 //static
-U32 LLMeshOptimizer::simplifyModel()
+U64 LLMeshOptimizer::simplify(U16 *destination,
+                              const U16 *indices,
+                              U64 index_count,
+                              const LLVector4a *vertex_positions,
+                              U64 vertex_count,
+                              U64 target_index_count,
+                              F32 target_error,
+                              F32* result_error
+    )
 {
-    LL_WARNS() << "NOT IMPLEMENTED" << LL_ENDL;
-    return 0;
+    return meshopt_simplify<unsigned short>(destination,
+                                 indices,
+                                 index_count,
+                                 (const float*)vertex_positions, // verify that it is correct to convert to float
+                                 vertex_count,
+                                 sizeof(LLVector4a), // should be either 0 or 4
+                                 target_index_count,
+                                 target_error,
+                                 result_error
+                                 );
 }
-- 
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