private RenderPass CreateRenderPass(SurfaceFormatKhr surfaceFormat)
{
var attDesc = new AttachmentDescription
{
Format = surfaceFormat.Format,
Samples = SampleCountFlags.Count1,
LoadOp = AttachmentLoadOp.Clear,
StoreOp = AttachmentStoreOp.Store,
StencilLoadOp = AttachmentLoadOp.DontCare,
StencilStoreOp = AttachmentStoreOp.DontCare,
InitialLayout = ImageLayout.ColorAttachmentOptimal,
FinalLayout = ImageLayout.ColorAttachmentOptimal
};
var attRef = new AttachmentReference {
Layout = ImageLayout.ColorAttachmentOptimal
};
var subpassDesc = new SubpassDescription
{
PipelineBindPoint = PipelineBindPoint.Graphics,
ColorAttachments = new [] { attRef }
};
var renderPassCreateInfo = new RenderPassCreateInfo
{
Attachments = new [] { attDesc },
Subpasses = new [] { subpassDesc }
};
return(_device.CreateRenderPass(renderPassCreateInfo));
}
private void CreateSwapChain()
{
var swapChainSupport = new SwapChainSupportDetails(vkPhysicalDevice, vkSurface);
SurfaceFormatKhr surfaceFormat = ChooseSwapSurfaceFormat(swapChainSupport.formats);
PresentModeKhr presentMode = ChooseSwapPresentMode(swapChainSupport.presentModes);
Extent2D extent = ChooseSwapExtent(swapChainSupport.capabilities);
uint imageCount = swapChainSupport.capabilities.MinImageCount + 1;
if (swapChainSupport.capabilities.MaxImageCount > 0)
{
imageCount = Math.Min(imageCount, swapChainSupport.capabilities.MaxImageCount);
}
var createInfo = new SwapchainCreateInfoKhr()
{
MinImageCount = imageCount,
ImageFormat = surfaceFormat.Format,
ImageColorSpace = surfaceFormat.ColorSpace,
ImageExtent = extent,
ImageArrayLayers = 1,
ImageUsage = ImageUsageFlags.ColorAttachment,
PreTransform = swapChainSupport.capabilities.CurrentTransform,
CompositeAlpha = CompositeAlphaFlagsKhr.Opaque,
PresentMode = presentMode,
Surface = vkSurface,
};
var indices = new QueueFamilyIndices(vkPhysicalDevice, vkSurface);
if (indices.GraphicsFamily != indices.PresentFamily)
{
createInfo.ImageSharingMode = SharingMode.Concurrent;
createInfo.QueueFamilyIndices = new[]
{
(uint)indices.GraphicsFamily,
(uint)indices.PresentFamily,
};
}
else
{
createInfo.ImageSharingMode = SharingMode.Exclusive;
}
vkSwapChain = vkDevice.CreateSwapchainKHR(createInfo);
vkSwapChainImages = vkDevice.GetSwapchainImagesKHR(vkSwapChain);
vkSwapChainImageFormat = surfaceFormat.Format;
vkSwapChainExtent = extent;
}
protected void CreateSwapChain()
{
format = ChooseFormat(data.formats);
var presentMode = ChoosePresentMode(data.presentModes);
extent = ChooseSwapExtent();
var imageCount = data.surfaceCapabilities.MinImageCount + 1;
if (data.surfaceCapabilities.MaxImageCount > 0 && imageCount > data.surfaceCapabilities.MaxImageCount)
{
imageCount = data.surfaceCapabilities.MaxImageCount;
}
var swapChainInfo = new SwapchainCreateInfoKhr
{
Surface = data.surface,
MinImageCount = imageCount,
ImageFormat = format.Format,
ImageColorSpace = format.ColorSpace,
ImageExtent = extent,
ImageArrayLayers = 1,
ImageUsage = ImageUsageFlags.ColorAttachment,
PreTransform = data.surfaceCapabilities.CurrentTransform,
CompositeAlpha = CompositeAlphaFlagsKhr.Opaque,
PresentMode = presentMode,
Clipped = true
};
var indices = data.queueFamilyIndices;
var queueFamilyIndices = new uint[] { (uint)indices.GraphicsFamily, (uint)indices.PresentFamily };
if (indices.PresentFamily != indices.GraphicsFamily)
{
swapChainInfo.ImageSharingMode = SharingMode.Concurrent;
swapChainInfo.QueueFamilyIndexCount = (uint)queueFamilyIndices.Length;
swapChainInfo.QueueFamilyIndices = queueFamilyIndices;
}
else
{
swapChainInfo.ImageSharingMode = SharingMode.Exclusive;
}
swapchain = device.CreateSwapchainKHR(swapChainInfo);
images = device.GetSwapchainImagesKHR(swapchain);
bufferSize = imageCount;
}
private Framebuffer[] CreateFramebuffers(Image[] images, SurfaceFormatKhr surfaceFormat)
{
var displayViews = new ImageView[images.Length];
for (var i = 0; i < images.Length; i++)
{
var viewCreateInfo = new ImageViewCreateInfo
{
Image = images[i],
ViewType = ImageViewType.View2D,
Format = surfaceFormat.Format,
Components = new ComponentMapping
{
R = ComponentSwizzle.R,
G = ComponentSwizzle.G,
B = ComponentSwizzle.B,
A = ComponentSwizzle.A
},
SubresourceRange = new ImageSubresourceRange
{
AspectMask = ImageAspectFlags.Color,
LevelCount = 1,
LayerCount = 1
}
};
displayViews[i] = _device.CreateImageView(viewCreateInfo);
}
var framebuffers = new Framebuffer [images.Length];
for (var i = 0; i < images.Length; i++)
{
var frameBufferCreateInfo = new FramebufferCreateInfo
{
Layers = 1,
RenderPass = _renderPass,
Attachments = new[] { displayViews[i] },
Width = _surfaceCapabilities.CurrentExtent.Width,
Height = _surfaceCapabilities.CurrentExtent.Height
};
framebuffers[i] = _device.CreateFramebuffer(frameBufferCreateInfo);
}
return(framebuffers);
}
SwapchainKhr CreateSwapchain(SurfaceKhr surface, SurfaceFormatKhr surfaceFormat)
{
var swapchainInfo = new SwapchainCreateInfoKhr {
Surface = surface,
MinImageCount = surfaceCapabilities.MinImageCount,
ImageFormat = surfaceFormat.Format,
ImageColorSpace = surfaceFormat.ColorSpace,
ImageExtent = surfaceCapabilities.CurrentExtent,
ImageUsage = ImageUsageFlags.ColorAttachment,
PreTransform = SurfaceTransformFlagsKhr.Identity,
ImageArrayLayers = 1,
ImageSharingMode = SharingMode.Exclusive,
QueueFamilyIndices = new uint [] { 0 },
PresentMode = PresentModeKhr.Fifo,
CompositeAlpha = CompositeAlphaFlagsKhr.Inherit
};
return(device.CreateSwapchainKHR(swapchainInfo));
}
