public GraphicsPipelineBuilder AttachmentBlendOff(uint attachment,
VkColorComponentFlag writeMask =
VkColorComponentFlag.R | VkColorComponentFlag.G | VkColorComponentFlag.B | VkColorComponentFlag.A)
{
_blendAttachmentStates.Add(attachment, new VkPipelineColorBlendAttachmentState()
{
BlendEnable = false,
ColorWriteMask = writeMask
});
return(this);
}
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);
}