private (VkAttachmentDescription, VkAttachmentReference) CreateAttachment(
VkFormat format,
VkSampleCountFlags samples,
uint index,
VkAttachmentLoadOp loadOp,
VkAttachmentStoreOp storeOp,
VkAttachmentStoreOp stencilStoreOp,
VkImageLayout initialLayout,
VkImageLayout finalLayout)
{
return(new VkAttachmentDescription()
{
format = format,
samples = samples,
loadOp = loadOp,
storeOp = storeOp,
stencilLoadOp = VkAttachmentLoadOp.Load,
stencilStoreOp = stencilStoreOp,
initialLayout = initialLayout,
finalLayout = finalLayout
}, new VkAttachmentReference()
{
attachment = index,
layout = finalLayout
});
}
/// <summary>
/// Specifies the load operation of this attachment.
/// </summary>
/// <param name="op">Load operation</param>
/// <param name="stencilOp">Stencil load operation, or null if use <c>op</c></param>
/// <returns>this</returns>
public TBuilder LoadOp(VkAttachmentLoadOp op, VkAttachmentLoadOp?stencilOp = null)
{
if (!stencilOp.HasValue)
{
stencilOp = op;
}
_desc.LoadOp = op;
_desc.StencilLoadOp = stencilOp.Value;
return((TBuilder)this);
}
/// <summary>
/// VkAttachmentDescription - Structure specifying an attachment description.
/// </summary>
/// <param name="format">format is a VkFormat value specifying the format of the
/// image view that will be used for the attachment</param>
/// <param name="samples">samples is the number of samples of the image as defined in
/// VkSampleCountFlagBits</param>
/// <param name="loadOp">loadOp is a VkAttachmentLoadOp value specifying how the
/// contents of color and depth components of the attachment are treated at
/// the beginning of the subpass where it is first used</param>
/// <param name="storeOp">storeOp is a VkAttachmentStoreOp value specifying how the
/// contents of color and depth components of the attachment are treated at
/// the end of the subpass where it is last used</param>
/// <param name="stencilLoadOp">stencilLoadOp is a VkAttachmentLoadOp value specifying how
/// the contents of stencil components of the attachment are treated at the
/// beginning of the subpass where it is first used</param>
/// <param name="stencilStoreOp">stencilStoreOp is a VkAttachmentStoreOp value specifying how
/// the contents of stencil components of the attachment are treated at the
/// end of the last subpass where it is used</param>
/// <param name="initialLayout">initialLayout is the layout the attachment image subresource will
/// be in when a render pass instance begins</param>
/// <param name="finalLayout">finalLayout is the layout the attachment image subresource will be
/// transitioned to when a render pass instance ends</param>
/// <param name="flags">flags is a bitmask of VkAttachmentDescriptionFlagBits
/// specifying additional properties of the attachment</param>
public VkAttachmentDescription(VkFormat format, VkSampleCountFlagBits samples,
VkAttachmentLoadOp loadOp, VkAttachmentStoreOp storeOp,
VkAttachmentLoadOp stencilLoadOp, VkAttachmentStoreOp stencilStoreOp,
VkImageLayout initialLayout, VkImageLayout finalLayout,
VkAttachmentDescriptionFlagBits flags = 0)
{
this.format = format; this.samples = samples;
this.loadOp = loadOp; this.storeOp = storeOp;
this.stencilLoadOp = stencilLoadOp; this.stencilStoreOp = stencilStoreOp;
this.initialLayout = initialLayout; this.finalLayout = finalLayout;
this.flags = flags;
}
public void AddAttachment(VkFormat format,
VkImageLayout finalLayout, VkSampleCountFlags samples = VkSampleCountFlags.SampleCount1,
VkAttachmentLoadOp loadOp = VkAttachmentLoadOp.Clear,
VkAttachmentStoreOp storeOp = VkAttachmentStoreOp.Store,
VkImageLayout initialLayout = VkImageLayout.Undefined)
{
attachments.Add(new VkAttachmentDescription {
format = format,
samples = samples,
loadOp = loadOp,
storeOp = storeOp,
stencilLoadOp = VkAttachmentLoadOp.DontCare,
stencilStoreOp = VkAttachmentStoreOp.DontCare,
initialLayout = initialLayout,
finalLayout = finalLayout,
});
}
public VkAttachmentDescription(
VkFormat format,
VkSampleCountFlags samples = VkSampleCountFlags.Count1,
VkAttachmentLoadOp loadOp = VkAttachmentLoadOp.Clear,
VkAttachmentStoreOp storeOp = VkAttachmentStoreOp.Store,
VkAttachmentLoadOp stencilLoadOp = VkAttachmentLoadOp.DontCare,
VkAttachmentStoreOp stencilStoreOp = VkAttachmentStoreOp.DontCare,
VkImageLayout initialLayout = VkImageLayout.Undefined,
VkImageLayout finalLayout = VkImageLayout.PresentSrcKHR,
VkAttachmentDescriptionFlags flags = VkAttachmentDescriptionFlags.None)
{
this.flags = flags;
this.format = format;
this.samples = samples;
this.loadOp = loadOp;
this.storeOp = storeOp;
this.stencilLoadOp = stencilLoadOp;
this.stencilStoreOp = stencilStoreOp;
this.initialLayout = initialLayout;
this.finalLayout = finalLayout;
}
/// <summary>
/// Create renderpass with a single color attachment and a resolve one if needed
/// </summary>
public RenderPass(Device device, VkFormat colorFormat, VkSampleCountFlags samples = VkSampleCountFlags.SampleCount1, VkAttachmentLoadOp loadOp = VkAttachmentLoadOp.Clear)
: this(device) {
Samples = samples;
AddAttachment(colorFormat, (samples == VkSampleCountFlags.SampleCount1) ? VkImageLayout.PresentSrcKHR : VkImageLayout.ColorAttachmentOptimal, samples,
loadOp, VkAttachmentStoreOp.Store);
ClearValues.Add(new VkClearValue {
color = new VkClearColorValue(0.0f, 0.0f, 0.0f)
});
SubPass subpass0 = new SubPass();
subpass0.AddColorReference(0, VkImageLayout.ColorAttachmentOptimal);
if (samples != VkSampleCountFlags.SampleCount1)
{
AddAttachment(colorFormat, VkImageLayout.PresentSrcKHR, VkSampleCountFlags.SampleCount1);
ClearValues.Add(new VkClearValue {
color = new VkClearColorValue(0.0f, 0.0f, 0.0f)
});
subpass0.AddResolveReference(1, VkImageLayout.ColorAttachmentOptimal);
}
AddSubpass(subpass0);
AddDependency(Vk.SubpassExternal, 0,
VkPipelineStageFlags.BottomOfPipe, VkPipelineStageFlags.ColorAttachmentOutput,
VkAccessFlags.MemoryRead, VkAccessFlags.ColorAttachmentWrite);
AddDependency(0, Vk.SubpassExternal,
VkPipelineStageFlags.ColorAttachmentOutput, VkPipelineStageFlags.BottomOfPipe,
VkAccessFlags.ColorAttachmentWrite, VkAccessFlags.MemoryRead);
}
