private void SetAllBlendState(BlendState New)
{
Enable(EnableCap.Blend, New.Enabled);
if (New.Enabled)
{
if (New.SeparateAlpha)
{
GL.BlendEquationSeparate(
OglEnumConverter.GetBlendEquation(New.EquationRgb),
OglEnumConverter.GetBlendEquation(New.EquationAlpha));
GL.BlendFuncSeparate(
(BlendingFactorSrc)OglEnumConverter.GetBlendFactor(New.FuncSrcRgb),
(BlendingFactorDest)OglEnumConverter.GetBlendFactor(New.FuncDstRgb),
(BlendingFactorSrc)OglEnumConverter.GetBlendFactor(New.FuncSrcAlpha),
(BlendingFactorDest)OglEnumConverter.GetBlendFactor(New.FuncDstAlpha));
}
else
{
GL.BlendEquation(OglEnumConverter.GetBlendEquation(New.EquationRgb));
GL.BlendFunc(
OglEnumConverter.GetBlendFactor(New.FuncSrcRgb),
OglEnumConverter.GetBlendFactor(New.FuncDstRgb));
}
}
}
private void SetBlendState(int index, BlendState New, BlendState old)
{
if (New.Enabled != old.Enabled)
{
Enable(IndexedEnableCap.Blend, index, New.Enabled);
}
if (New.Enabled)
{
if (New.SeparateAlpha)
{
if (New.EquationRgb != old.EquationRgb ||
New.EquationAlpha != old.EquationAlpha)
{
GL.BlendEquationSeparate(
index,
OglEnumConverter.GetBlendEquation(New.EquationRgb),
OglEnumConverter.GetBlendEquation(New.EquationAlpha));
}
if (New.FuncSrcRgb != old.FuncSrcRgb ||
New.FuncDstRgb != old.FuncDstRgb ||
New.FuncSrcAlpha != old.FuncSrcAlpha ||
New.FuncDstAlpha != old.FuncDstAlpha)
{
GL.BlendFuncSeparate(
index,
(BlendingFactorSrc)OglEnumConverter.GetBlendFactor(New.FuncSrcRgb),
(BlendingFactorDest)OglEnumConverter.GetBlendFactor(New.FuncDstRgb),
(BlendingFactorSrc)OglEnumConverter.GetBlendFactor(New.FuncSrcAlpha),
(BlendingFactorDest)OglEnumConverter.GetBlendFactor(New.FuncDstAlpha));
}
}
else
{
if (New.EquationRgb != old.EquationRgb)
{
GL.BlendEquation(index, OglEnumConverter.GetBlendEquation(New.EquationRgb));
}
if (New.FuncSrcRgb != old.FuncSrcRgb ||
New.FuncDstRgb != old.FuncDstRgb)
{
GL.BlendFunc(
index,
(BlendingFactorSrc)OglEnumConverter.GetBlendFactor(New.FuncSrcRgb),
(BlendingFactorDest)OglEnumConverter.GetBlendFactor(New.FuncDstRgb));
}
}
}
}