void CreateRenderPass()
{
var colorAttachment = new VkAttachmentDescription();
colorAttachment.format = swapchainImageFormat;
colorAttachment.samples = CSGL.Vulkan.VkSampleCountFlags._1_Bit;
colorAttachment.loadOp = CSGL.Vulkan.VkAttachmentLoadOp.Clear;
colorAttachment.storeOp = CSGL.Vulkan.VkAttachmentStoreOp.Store;
colorAttachment.stencilLoadOp = CSGL.Vulkan.VkAttachmentLoadOp.DontCare;
colorAttachment.stencilStoreOp = CSGL.Vulkan.VkAttachmentStoreOp.DontCare;
colorAttachment.initialLayout = CSGL.Vulkan.VkImageLayout.Undefined;
colorAttachment.finalLayout = CSGL.Vulkan.VkImageLayout.PresentSrcKhr;
var colorAttachmentNative = new Native <VkAttachmentDescription>(colorAttachment);
var colorAttachmentRef = new VkAttachmentReference();
colorAttachmentRef.attachment = 0;
colorAttachmentRef.layout = CSGL.Vulkan.VkImageLayout.ColorAttachmentOptimal;
var colorAttachmentRefNative = new Native <VkAttachmentReference>(colorAttachmentRef);
var subpass = new VkSubpassDescription();
subpass.pipelineBindPoint = CSGL.Vulkan.VkPipelineBindPoint.Graphics;
subpass.colorAttachmentCount = 1;
subpass.pColorAttachments = colorAttachmentRefNative.Address;
var subpassNative = new Native <VkSubpassDescription>(subpass);
var dependency = new VkSubpassDependency();
dependency.srcSubpass = uint.MaxValue; //VK_SUBPASS_EXTERNAL
dependency.dstSubpass = 0;
dependency.srcStageMask = CSGL.Vulkan.VkPipelineStageFlags.BottomOfPipeBit;
dependency.srcAccessMask = CSGL.Vulkan.VkAccessFlags.MemoryReadBit;
dependency.dstStageMask = CSGL.Vulkan.VkPipelineStageFlags.ColorAttachmentOutputBit;
dependency.dstAccessMask = CSGL.Vulkan.VkAccessFlags.ColorAttachmentReadBit
| CSGL.Vulkan.VkAccessFlags.ColorAttachmentWriteBit;
var dependencyNative = new Native <VkSubpassDependency>(dependency);
var info = new VkRenderPassCreateInfo();
info.sType = CSGL.Vulkan.VkStructureType.RenderPassCreateInfo;
info.attachmentCount = 1;
info.pAttachments = colorAttachmentNative.Address;
info.subpassCount = 1;
info.pSubpasses = subpassNative.Address;
info.dependencyCount = 1;
info.pDependencies = dependencyNative.Address;
if (renderPass != VkRenderPass.Null)
{
VK.DestroyRenderPass(device, renderPass, alloc);
}
var result = VK.CreateRenderPass(device, ref info, alloc, out renderPass);
colorAttachmentNative.Dispose();
colorAttachmentRefNative.Dispose();
subpassNative.Dispose();
dependencyNative.Dispose();
}
