/// <summary>
/// Initializes a new instance of the StateFactory
/// </summary>
/// <param name="device"></param>
/// <param name="ubershader"></param>
private StateFactory(Ubershader ubershader, Type enumType, Primitive primitive, VertexInputElement[] vertexInputElements, BlendState blendState, RasterizerState rasterizerState, DepthStencilState depthStencilState)
: base(ubershader.GraphicsDevice)
{
this.ubershader = ubershader;
Enumerate(enumType, ubershader, (ps, i) => {
ps.Primitive = primitive;
ps.VertexInputElements = vertexInputElements;
ps.BlendState = blendState;
ps.RasterizerState = rasterizerState;
ps.DepthStencilState = depthStencilState;
});
}
/// <summary>
///
/// </summary>
/// <param name="ps"></param>
/// <param name="flag"></param>
void EnumAction ( PipelineState ps, Flags flag )
{
ps.BlendState = BlendState.AlphaBlendPremul;
ps.DepthStencilState = DepthStencilState.Readonly;
ps.Primitive = Primitive.PointList;
if (flag==Flags.DRAW_SHADOW) {
var bs = new BlendState();
bs.DstAlpha = Blend.One;
bs.SrcAlpha = Blend.One;
bs.SrcColor = Blend.DstColor;
bs.DstColor = Blend.Zero;
bs.AlphaOp = BlendOp.Add;
ps.BlendState = bs;
ps.DepthStencilState = DepthStencilState.Readonly;
}
}
/// <summary>
/// Creates pipeline state factory
/// </summary>
public StateFactory CreateFactory(Type type, Primitive primitive, VertexInputElement[] vertexInputElements, BlendState blendState, RasterizerState rasterizerState, DepthStencilState depthStencilState)
{
return(CreateFactory(type, (ps, i) => {
ps.Primitive = primitive;
ps.VertexInputElements = vertexInputElements;
ps.BlendState = blendState;
ps.RasterizerState = rasterizerState;
ps.DepthStencilState = depthStencilState;
}));
}