From 8240af03b9c64572ce0594052e18d374d6e8941c Mon Sep 17 00:00:00 2001 From: Maxim Nikolenko Date: Thu, 31 Jul 2025 19:55:28 +0300 Subject: #4465 modify vertex limit threshold for starting splitting --- indra/newview/gltf/llgltfloader.cpp | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'indra') diff --git a/indra/newview/gltf/llgltfloader.cpp b/indra/newview/gltf/llgltfloader.cpp index 950e98c96d..dd1d327683 100644 --- a/indra/newview/gltf/llgltfloader.cpp +++ b/indra/newview/gltf/llgltfloader.cpp @@ -87,7 +87,8 @@ static const glm::mat4 coord_system_rotationxy( 0.f, 0.f, 0.f, 1.f ); -static const S32 VERTICIES_LIMIT = USHRT_MAX - 2; +static const S32 VERTEX_SPLIT_SAFETY_MARGIN = 3 * 3 + 1; // 10 vertices: 3 complete triangles plus remapping overhead +static const S32 VERTEX_LIMIT = USHRT_MAX - VERTEX_SPLIT_SAFETY_MARGIN; LLGLTFLoader::LLGLTFLoader(std::string filename, S32 lod, @@ -951,7 +952,7 @@ bool LLGLTFLoader::populateModelFromMesh(LLModel* pModel, const std::string& bas } // Indices handling - if (faceVertices.size() >= VERTICIES_LIMIT) + if (faceVertices.size() >= VERTEX_LIMIT) { // Will have to remap 32 bit indices into 16 bit indices // For the sake of simplicity build vector of 32 bit indices first @@ -1036,7 +1037,7 @@ bool LLGLTFLoader::populateModelFromMesh(LLModel* pModel, const std::string& bas } indices_16.push_back((U16)vert_index); - if (indices_16.size() % 3 == 0 && face_verts.size() >= VERTICIES_LIMIT - 1) + if (indices_16.size() % 3 == 0 && face_verts.size() >= VERTEX_LIMIT) { LLVolumeFace face; face.fillFromLegacyData(face_verts, indices_16); -- cgit v1.2.3