public unsafe void DAGUsageCase2()
{
// We first initialize our shader.
ShaderCode code = new ShaderCode(BindingStage.VertexShader);
{
// We write a simple Tranform code:
code.InputOperation.AddInput(PinComponent.Position, PinFormat.Floatx3);
Pin positon = code.InputOperation.PinAsOutput(PinComponent.Position);
// We create 3 interations.
LoopOperation loop = new LoopOperation();
loop.InputOperation.BindInputs(code.CreateFixed((uint)3).Outputs[0], positon);
AddOperation add = new AddOperation();
add.BindInputs(loop.InputOperation.Outputs[1], code.CreateFixed(new Vector3f(1, 0, 0)).Outputs[0]);
loop.OutputOperation.BindInputs(add.Outputs[0]);
ExpandOperation expand = new ExpandOperation(PinFormat.Floatx4, ExpandType.AddOnesAtW);
expand.BindInputs(loop.OutputOperation.Outputs[0]);
// We just bind transformed position to output.
code.OutputOperation.AddComponentAndLink(PinComponent.Position, expand.Outputs[0]);
}
// Immutate it.
code.Immutable = true;
// We now compile it.
FixedShaderParameters p = code.FixedParameters;
using (GraphicsDevice device = InitializeDevice())
{
code.Compile(device, p).Dispose();
}
}
/// <summary>
/// Creates a fixed float.
/// </summary>
/// <param name="v"></param>
/// <returns></returns>
public Floatx2 Fixed(Vector2f v)
{
ConstantOperation c = dag.CreateFixed(v);
return(new Floatx2(c.Outputs[0], this));
}