private AasRenderSubmeshData GetSubmeshData(AasRenderData renderData,
int submeshId,
ISubmesh submesh)
{
if (renderData.submeshes[submeshId] == null)
{
renderData.submeshes[submeshId] = new AasRenderSubmeshData(mDevice);
}
var submeshData = renderData.submeshes[submeshId];
if (!submeshData.created)
{
submeshData.posBuffer = mDevice.CreateVertexBuffer(submesh.Positions, false, "AasSubmeshPositions");
submeshData.normalsBuffer = mDevice.CreateVertexBuffer <Vector4>(submesh.Normals, false, "AasSubmeshNormals");
submeshData.uvBuffer = mDevice.CreateVertexBuffer(submesh.UV, debugName: "AasSubmeshUV");
submeshData.idxBuffer = mDevice.CreateIndexBuffer(submesh.Indices);
var binding = submeshData.binding.Resource;
binding.AddBuffer <Vector4>(submeshData.posBuffer, 0)
.AddElement(VertexElementType.Float4, VertexElementSemantic.Position);
binding.AddBuffer <Vector4>(submeshData.normalsBuffer, 0)
.AddElement(VertexElementType.Float4, VertexElementSemantic.Normal);
binding.AddBuffer <Vector2>(submeshData.uvBuffer, 0)
.AddElement(VertexElementType.Float2, VertexElementSemantic.TexCoord);
submeshData.created = true;
}
else
{
submeshData.posBuffer.Resource.Update(submesh.Positions);
submeshData.normalsBuffer.Resource.Update <Vector4>(submesh.Normals);
}
return(submeshData);
}