/// <summary>
/// Adds a VertexFormat change to the device.
/// </summary>
/// <param name="vertexFormat">VertexFormat</param>
/// <returns>Device Option Instance</returns>
public DeviceOption AddVertexFormat(VertexFormat vertexFormat)
{
Use.Add(DeviceOptionIdentity.VertexFormat, true);
var oldFormat = Device.VertexFormat;
VertexFormat = new[] { vertexFormat, oldFormat };
return(this);
}
/// <summary>
/// Adds a PixelShader change to the device.
/// </summary>
/// <param name="pixelShader">PixelShader</param>
/// <returns>Device Option Instance</returns>
public DeviceOption AddPixelShader(PixelShader pixelShader)
{
Use.Add(DeviceOptionIdentity.PixelShader, true);
var oldShader = Device.PixelShader;
PixelShader = new[] { pixelShader, oldShader };
return(this);
}
/// <summary>
/// Adds a Texture change to the device based on texture stage.
/// </summary>
/// <param name="stage">Stage</param>
/// <param name="texture">Texture</param>
/// <returns>Device Option Instance</returns>
public DeviceOption AddTexture(int stage, BaseTexture texture)
{
Use.Add(DeviceOptionIdentity.Texture, true);
var oldTexture = Device.GetTexture(stage);
TextureStage = stage;
Texture = new[] { texture, oldTexture };
return(this);
}
/// <summary>
/// Adds a Stream Source change to the device.
/// </summary>
/// <param name="streamNumber">Stream Number</param>
/// <param name="buffer">VertexBuffer</param>
/// <param name="offsetInBytes">Offset In Bytes</param>
/// <param name="stride">Stride</param>
/// <returns>Device Option Instance</returns>
public DeviceOption AddStreamSource(int streamNumber, VertexBuffer buffer, int offsetInBytes, int stride)
{
Use.Add(DeviceOptionIdentity.StreamSource, true);
VertexBuffer oldBuffer;
int oldOffsetInBytes;
int oldStride;
Device.GetStreamSource(streamNumber, out oldBuffer, out oldOffsetInBytes, out oldStride);
StreamNumber = streamNumber;
Buffer = new[] { buffer, oldBuffer };
BufferOffsetInBytes = new[] { offsetInBytes, oldOffsetInBytes };
BufferStride = new[] { stride, oldStride };
return(this);
}
