protected override void OnResize()
{
base.OnResize();
dev.WaitIdle();
vkvgSurf?.Dispose();
vkvgSurf = new vkvg.Surface(vkvgDev, (int)Width, (int)Height);
vkvgSurf.Clear();
VkImage srcImg = new VkImage((ulong)vkvgSurf.VkImage.ToInt64());
for (int i = 0; i < swapChain.ImageCount; ++i)
{
cmds[i] = cmdPool.AllocateCommandBuffer();
cmds[i].Start();
Utils.setImageLayout(cmds[i].Handle, swapChain.images[i].Handle, VkImageAspectFlags.Color,
VkImageLayout.Undefined, VkImageLayout.TransferDstOptimal,
VkPipelineStageFlags.BottomOfPipe, VkPipelineStageFlags.Transfer);
Utils.setImageLayout(cmds[i].Handle, srcImg, VkImageAspectFlags.Color,
VkImageLayout.ColorAttachmentOptimal, VkImageLayout.TransferSrcOptimal,
VkPipelineStageFlags.ColorAttachmentOutput, VkPipelineStageFlags.Transfer);
VkImageSubresourceLayers imgSubResLayer = new VkImageSubresourceLayers
{
aspectMask = VkImageAspectFlags.Color,
mipLevel = 0,
baseArrayLayer = 0,
layerCount = 1
};
VkImageCopy cregion = new VkImageCopy
{
srcSubresource = imgSubResLayer,
srcOffset = default,
void recreateSurface()
{
vkvgImage?.Dispose();
vkvgSurf?.Dispose();
vkvgSurf = new vkvg.Surface(vkvgDev, (int)swapChain.Width, (int)swapChain.Height);
vkvgSurf.Clear();
vkvgImage = new Image(dev, new VkImage((ulong)vkvgSurf.VkImage.ToInt64()), VkFormat.B8g8r8a8Unorm,
VkImageUsageFlags.ColorAttachment, (uint)vkvgSurf.Width, (uint)vkvgSurf.Height);
vkvgImage.CreateView(VkImageViewType.ImageView2D, VkImageAspectFlags.Color);
vkvgImage.CreateSampler(VkFilter.Nearest, VkFilter.Nearest, VkSamplerMipmapMode.Nearest, VkSamplerAddressMode.ClampToBorder);
recreateSurfaceStatus = false;
}