/// <summary>
/// Creates a NonPremultiplied blend state.
/// </summary>
/// <param name="uv">The Ultraviolet context.</param>
/// <returns>The blend state that was created.</returns>
public static OpenGLBlendState CreateNonPremultiplied(UltravioletContext uv)
{
var state = new OpenGLBlendState(uv);
state.AlphaSourceBlend = Blend.SourceAlpha;
state.AlphaDestinationBlend = Blend.InverseSourceAlpha;
state.ColorSourceBlend = Blend.SourceAlpha;
state.ColorDestinationBlend = Blend.InverseSourceAlpha;
state.MakeImmutable();
return state;
}
/// <summary>
/// Creates an Additive blend state.
/// </summary>
/// <param name="uv">The Ultraviolet context.</param>
/// <returns>The blend state that was created.</returns>
public static OpenGLBlendState CreateAdditive(UltravioletContext uv)
{
var state = new OpenGLBlendState(uv);
state.AlphaSourceBlend = Blend.SourceAlpha;
state.AlphaDestinationBlend = Blend.One;
state.ColorSourceBlend = Blend.SourceAlpha;
state.ColorDestinationBlend = Blend.One;
state.MakeImmutable();
return state;
}
/// <summary>
/// Creates a NonPremultiplied blend state.
/// </summary>
/// <param name="uv">The Ultraviolet context.</param>
/// <returns>The blend state that was created.</returns>
public static OpenGLBlendState CreateNonPremultiplied(UltravioletContext uv)
{
var state = new OpenGLBlendState(uv);
state.AlphaSourceBlend = Blend.SourceAlpha;
state.AlphaDestinationBlend = Blend.InverseSourceAlpha;
state.ColorSourceBlend = Blend.SourceAlpha;
state.ColorDestinationBlend = Blend.InverseSourceAlpha;
state.MakeImmutable();
return(state);
}
/// <summary>
/// Creates an Additive blend state.
/// </summary>
/// <param name="uv">The Ultraviolet context.</param>
/// <returns>The blend state that was created.</returns>
public static OpenGLBlendState CreateAdditive(UltravioletContext uv)
{
var state = new OpenGLBlendState(uv);
state.AlphaSourceBlend = Blend.SourceAlpha;
state.AlphaDestinationBlend = Blend.One;
state.ColorSourceBlend = Blend.SourceAlpha;
state.ColorDestinationBlend = Blend.One;
state.MakeImmutable();
return(state);
}
