//---------------------------------------------------------------
#endregion
//---------------------------------------------------------------
//---------------------------------------------------------------
#region Methods
//---------------------------------------------------------------
private void Bind()
{
BinormalStream.Bind();
BoneIndicesStream.Bind();
BoneWeightsStream.Bind();
SoftwareBoneIndicesStream.Bind();
SoftwareBoneWeightsStream.Bind();
ColorStream.Bind();
CompressedNormalStream.Bind();
FloatStream.Bind();
IndexStream16.Bind();
IndexStream32.Bind();
IntStream.Bind();
NormalStream.Bind();
PositionStream.Bind();
PositionStream2.Bind();
PositionStream4.Bind();
TangentStream.Bind();
TextureStream.Bind();
}
/// <summary>
/// Prepares a mesh for being used as a shadow Volume.
/// </summary>
/// <remarks>In fact the geometry is doubled and an FloatStream is added that contains 1.0f for
/// vertices that are used for the near cap and 0.0f for the far cap.</remarks>
/// <param name="mesh">The mesh to prepare.</param>
public static void PrepareMesh(Mesh mesh)
{
SubSets subSets = mesh.SubSets;
for (int iSubSet = 0; iSubSet < subSets.Count; iSubSet++)
{
VertexUnit vu = subSets[iSubSet].VertexUnit;
IGraphicsStream[] streams = new IGraphicsStream[vu.StreamCount + 1];
for (int iStream = 0; iStream < vu.StreamCount; iStream++)
{
IGraphicsStream fromStream = vu[iStream];
IGraphicsStream toStream = null;
using (Purple.Profiling.Profiler.Instance.Sample("Clone")) {
toStream = fromStream.Clone();
}
using (Purple.Profiling.Profiler.Instance.Sample("Resize")) {
toStream.Resize(fromStream.Size * 2);
}
using (Purple.Profiling.Profiler.Instance.Sample("CopyTo")) {
fromStream.Data.CopyTo(toStream.Data, fromStream.Size);
}
streams[iStream] = toStream;
}
using (Purple.Profiling.Profiler.Instance.Sample("FloatStream")) {
FloatStream floatStream = new FloatStream(vu.Size * 2);
for (int i = 0; i < vu.Size; i++)
{
floatStream[i] = 1.0f;
floatStream[i + vu.Size] = 0.0f;
}
streams[vu.StreamCount] = floatStream;
}
vu = new VertexUnit(streams);
subSets[iSubSet].VertexUnit = vu;
}
}
