public GraphicsPipelineBuilder AttachmentBlendOn(uint attachment,
VkBlendFactor srcColorFactor, VkBlendFactor dstColorFactor, VkBlendOp colorOp,
VkBlendFactor?srcAlphaFactor = null, VkBlendFactor?dstAlphaFactor = null,
VkBlendOp?alphaOp = null, VkColorComponentFlag writeMask =
VkColorComponentFlag.R | VkColorComponentFlag.G | VkColorComponentFlag.B | VkColorComponentFlag.A)
{
if (!srcAlphaFactor.HasValue)
{
srcAlphaFactor = srcColorFactor;
}
if (!dstAlphaFactor.HasValue)
{
dstAlphaFactor = dstColorFactor;
}
if (!alphaOp.HasValue)
{
alphaOp = colorOp;
}
_blendAttachmentStates.Add(attachment, new VkPipelineColorBlendAttachmentState()
{
BlendEnable = true,
SrcColorBlendFactor = srcColorFactor,
DstColorBlendFactor = dstColorFactor,
ColorBlendOp = colorOp,
SrcAlphaBlendFactor = srcAlphaFactor.Value,
DstAlphaBlendFactor = dstAlphaFactor.Value,
AlphaBlendOp = alphaOp.Value,
ColorWriteMask = writeMask
});
return(this);
}
public VkPipelineColorBlendAttachmentState(VkBool32 blendEnable,
VkBlendFactor srcColorBlendFactor = VkBlendFactor.SrcAlpha,
VkBlendFactor dstColorBlendFactor = VkBlendFactor.OneMinusSrcAlpha,
VkBlendOp colorBlendOp = VkBlendOp.Add,
VkBlendFactor srcAlphaBlendFactor = VkBlendFactor.OneMinusSrcAlpha,
VkBlendFactor dstAlphaBlendFactor = VkBlendFactor.Zero,
VkBlendOp alphaBlendOp = VkBlendOp.Add,
VkColorComponentFlags colorWriteMask = VkColorComponentFlags.R | VkColorComponentFlags.G | VkColorComponentFlags.B | VkColorComponentFlags.A)
{
this.blendEnable = blendEnable;
this._srcColorBlendFactor = (int)srcColorBlendFactor;
this._dstColorBlendFactor = (int)dstColorBlendFactor;
this._colorBlendOp = (int)colorBlendOp;
this._srcAlphaBlendFactor = (int)srcAlphaBlendFactor;
this._dstAlphaBlendFactor = (int)dstAlphaBlendFactor;
this._alphaBlendOp = (int)alphaBlendOp;
this._colorWriteMask = (uint)colorWriteMask;
}
public VkPipelineColorBlendAttachmentState(
bool blendEnable = false,
VkBlendFactor srcColorBlendFactor = VkBlendFactor.One,
VkBlendFactor dstColorBlendFactor = VkBlendFactor.Zero,
VkBlendOp colorBlendOp = VkBlendOp.Add,
VkBlendFactor srcAlphaBlendFactor = VkBlendFactor.One,
VkBlendFactor dstAlphaBlendFactor = VkBlendFactor.Zero,
VkBlendOp alphaBlendOp = VkBlendOp.Add,
VkColorComponentFlags colorWriteMask = VkColorComponentFlags.All)
{
this.blendEnable = blendEnable;
this.srcColorBlendFactor = srcColorBlendFactor;
this.dstColorBlendFactor = dstColorBlendFactor;
this.colorBlendOp = colorBlendOp;
this.srcAlphaBlendFactor = srcAlphaBlendFactor;
this.dstAlphaBlendFactor = dstAlphaBlendFactor;
this.alphaBlendOp = alphaBlendOp;
this.colorWriteMask = colorWriteMask;
}