private IDxGeometry PrepareGeometry(IDxGeometry geometry)
{
if (geometry is DX11VertexGeometry)
{
DX11VertexGeometry vd = (DX11VertexGeometry)geometry.ShallowCopy();
vd.VertexBuffer = this.rawbuffer.Buffer;
vd.VertexSize = this.outputvertexsize;
vd.VerticesCount = this.outputvertexcount;
vd.InputLayout = this.outputlayout;
vd.Topology = geometry.Topology;
if (this.AsAuto)
{
DX11VertexAutoDrawer auto = new DX11VertexAutoDrawer();
vd.AssignDrawer(auto);
}
return(vd);
}
if (geometry is DX11IndexedGeometry)
{
if (this.AsAuto)
{
DX11VertexGeometry vd = new DX11VertexGeometry(this.Device);
vd.VertexBuffer = this.rawbuffer.Buffer;
vd.VertexSize = this.outputvertexsize;
vd.VerticesCount = this.outputvertexcount;
vd.InputLayout = this.outputlayout;
vd.Topology = geometry.Topology;
DX11VertexAutoDrawer auto = new DX11VertexAutoDrawer();
vd.AssignDrawer(auto);
return(vd);
}
else
{
//Replace the vertexbuffer
DX11IndexedGeometry id = (DX11IndexedGeometry)geometry.ShallowCopy();
id.InputLayout = this.outputlayout;
id.VertexBuffer = DX11VertexBuffer.CreateFromRawBuffer(this.Device, this.outputvertexcount, this.outputvertexsize, this.rawbuffer);
return(id);
}
}
if (geometry is DX11NullGeometry)
{
DX11VertexGeometry vd = new DX11VertexGeometry(this.Device);
vd.VertexBuffer = this.rawbuffer.Buffer;
vd.VertexSize = this.outputvertexsize;
vd.VerticesCount = this.outputvertexcount;
vd.InputLayout = this.outputlayout;
vd.Topology = geometry.Topology;
if (this.AsAuto)
{
DX11VertexAutoDrawer auto = new DX11VertexAutoDrawer();
vd.AssignDrawer(auto);
}
return(vd);
}
throw new NotSupportedException("Can't prepare geometry from provided geometry");
}
public static Action <LayerSettings> DetachGeometry(LayerSettings settings)
{
IDxGeometry geom = settings.Geometry;
settings.Geometry = null;
Action <LayerSettings> restore = (rs) => { rs.Geometry = geom; };
return(restore);
}
public void AssignGeometry(IDxGeometry geometry)
{
this.outputvertexcount = this.GetVertexCount(geometry);
int buffersize = this.outputvertexcount * this.outputvertexsize;
if (rawbuffer != null)
{
if (buffersize != this.rawbuffer.Size)
{
rawbuffer.Dispose(); rawbuffer = null;
}
}
if (rawbuffer == null)
{
rawbuffer = DX11RawBuffer.CreateWriteable(this.Device, buffersize, new RawBufferBindings()
{
AllowVertexBuffer = true, WriteMode = eRawBufferWriteMode.StreamOut
});
}
this.binding = new StreamOutputBufferBinding[] { new StreamOutputBufferBinding(this.rawbuffer.Buffer, 0) };
this.outputgeometry = this.PrepareGeometry(geometry);
}
private int GetVertexCount(IDxGeometry geometry)
{
if (this.UseMaxElements)
{
return(this.MaxElements);
}
if (geometry is DX11VertexGeometry)
{
DX11VertexGeometry vd = (DX11VertexGeometry)geometry;
return(vd.VerticesCount);
}
if (geometry is DX11IndexedGeometry)
{
DX11IndexedGeometry id = (DX11IndexedGeometry)geometry;
return(id.VertexBuffer.VerticesCount);
}
if (geometry is DX11NullGeometry)
{
return(this.MaxElements);
}
throw new NotSupportedException("Can't set Vertices count from provided geometry");
}