static MgRenderPassProfileSubpassInfo[] InitializeSubpasses(MgRenderPassCreateInfo createInfo)
{
if (createInfo == null || createInfo.Subpasses == null)
{
return new MgRenderPassProfileSubpassInfo[] { }
}
;
var subpasses = new List <MgRenderPassProfileSubpassInfo>();
foreach (var sp in createInfo.Subpasses)
{
var item = new MgRenderPassProfileSubpassInfo
{
Color = ExtractAttachmentIndices(sp.ColorAttachments),
Input = ExtractAttachmentIndices(sp.InputAttachments),
Resolve = ExtractAttachmentIndices(sp.ResolveAttachments),
DepthStencil = sp.DepthStencilAttachment != null
? sp.DepthStencilAttachment.Attachment : ~VK_ATTACHMENT_UNUSED,
};
subpasses.Add(item);
}
return(subpasses.ToArray());
}
static MgRenderPassProfileAttachmentInfo[] InitializeAttachments(MgRenderPassCreateInfo createInfo)
{
if (createInfo == null || createInfo.Attachments == null)
{
return new MgRenderPassProfileAttachmentInfo[] { }
}
;
var attachments = new List <MgRenderPassProfileAttachmentInfo>();
foreach (var attach in createInfo.Attachments)
{
attachments.Add(new MgRenderPassProfileAttachmentInfo
{
Format = attach.Format,
Samples = attach.Samples,
});
}
return(attachments.ToArray());
}
}
void CreateRenderpass(MgGraphicsDeviceCreateInfo createInfo)
{
var attachments = new []
{
// Color attachment[0]
new MgAttachmentDescription {
Format = createInfo.Color,
// TODO : multisampling
Samples = MgSampleCountFlagBits.COUNT_1_BIT,
LoadOp = MgAttachmentLoadOp.CLEAR,
StoreOp = MgAttachmentStoreOp.STORE,
StencilLoadOp = MgAttachmentLoadOp.DONT_CARE,
StencilStoreOp = MgAttachmentStoreOp.DONT_CARE,
InitialLayout = MgImageLayout.COLOR_ATTACHMENT_OPTIMAL,
FinalLayout = MgImageLayout.COLOR_ATTACHMENT_OPTIMAL,
},
// Depth attachment[1]
new MgAttachmentDescription {
Format = createInfo.DepthStencil,
// TODO : multisampling
Samples = MgSampleCountFlagBits.COUNT_1_BIT,
LoadOp = MgAttachmentLoadOp.CLEAR,
StoreOp = MgAttachmentStoreOp.STORE,
// TODO : activate stencil if needed
StencilLoadOp = MgAttachmentLoadOp.DONT_CARE,
StencilStoreOp = MgAttachmentStoreOp.DONT_CARE,
InitialLayout = MgImageLayout.DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
FinalLayout = MgImageLayout.DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
}
};
var colorReference = new MgAttachmentReference
{
Attachment = 0,
Layout = MgImageLayout.COLOR_ATTACHMENT_OPTIMAL,
};
var depthReference = new MgAttachmentReference {
Attachment = 1,
Layout = MgImageLayout.DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
};
var subpass = new MgSubpassDescription
{
PipelineBindPoint = MgPipelineBindPoint.GRAPHICS,
Flags = 0,
InputAttachments = null,
ColorAttachments = new [] { colorReference },
ResolveAttachments = null,
DepthStencilAttachment = depthReference,
PreserveAttachments = null,
};
var renderPassInfo = new MgRenderPassCreateInfo {
Attachments = attachments,
Subpasses = new [] { subpass },
Dependencies = null,
};
Result err;
IMgRenderPass renderPass;
err = mGraphicsConfiguration.Partition.Device.CreateRenderPass(renderPassInfo, null, out renderPass);
Debug.Assert(err == Result.SUCCESS, err + " != Result.SUCCESS");
mRenderpass = renderPass;
}
public MgRenderPassProfile(MgRenderPassCreateInfo createInfo)
{
mAttachments = InitializeAttachments(createInfo);
mSubpasses = InitializeSubpasses(createInfo);
}