internal static VulkanDisplay CreateDisplay(VulkanInstance instance, VulkanDevice device,
VulkanPhysicalDevice physicalDevice, VulkanSurface surface)
{
var swapchain = CreateSwapchain(instance, device, physicalDevice, surface, out var extent, null, true);
return(new VulkanDisplay(instance, device, physicalDevice, surface, swapchain, extent));
}
public VulkanSurfaceRenderingSession(VulkanDisplay display, VulkanDevice device,
VulkanSurfaceRenderTarget renderTarget, float scaling)
{
Display = display;
_device = device;
_renderTarget = renderTarget;
Scaling = scaling;
Begin();
}
public unsafe VulkanSemaphorePair(VulkanDevice device)
{
_device = device;
var semaphoreCreateInfo = new SemaphoreCreateInfo {
SType = StructureType.SemaphoreCreateInfo
};
_device.Api.CreateSemaphore(_device.InternalHandle, semaphoreCreateInfo, null, out var semaphore).ThrowOnError();
ImageAvailableSemaphore = semaphore;
_device.Api.CreateSemaphore(_device.InternalHandle, semaphoreCreateInfo, null, out semaphore).ThrowOnError();
RenderFinishedSemaphore = semaphore;
}
private VulkanDisplay(VulkanInstance instance, VulkanDevice device,
VulkanPhysicalDevice physicalDevice, VulkanSurface surface, SwapchainKHR swapchain,
Extent2D swapchainExtent)
{
_instance = instance;
_device = device;
_physicalDevice = physicalDevice;
_swapchain = swapchain;
_swapchainExtent = swapchainExtent;
_surface = surface;
CreateSwapchainImages();
_semaphorePair = new VulkanSemaphorePair(_device);
CommandBufferPool = new VulkanCommandBufferPool(device, physicalDevice);
}
public VulkanImage(
VulkanDevice device,
VulkanPhysicalDevice physicalDevice,
VulkanCommandBufferPool commandBufferPool,
uint format,
PixelSize size,
uint mipLevels = 0)
{
_device = device;
_physicalDevice = physicalDevice;
_commandBufferPool = commandBufferPool;
Format = (Format)format;
Size = size;
MipLevels = mipLevels;
_imageUsageFlags =
ImageUsageFlags.ImageUsageColorAttachmentBit | ImageUsageFlags.ImageUsageTransferDstBit |
ImageUsageFlags.ImageUsageTransferSrcBit | ImageUsageFlags.ImageUsageSampledBit;
Initialize();
}
internal static unsafe void TransitionLayout(VulkanDevice device,
CommandBuffer commandBuffer,
Image image,
ImageLayout sourceLayout,
AccessFlags sourceAccessMask,
ImageLayout destinationLayout,
AccessFlags destinationAccessMask,
uint mipLevels)
{
var subresourceRange = new ImageSubresourceRange(ImageAspectFlags.ImageAspectColorBit, 0, mipLevels, 0, 1);
var barrier = new ImageMemoryBarrier
{
SType = StructureType.ImageMemoryBarrier,
SrcAccessMask = sourceAccessMask,
DstAccessMask = destinationAccessMask,
OldLayout = sourceLayout,
NewLayout = destinationLayout,
SrcQueueFamilyIndex = Vk.QueueFamilyIgnored,
DstQueueFamilyIndex = Vk.QueueFamilyIgnored,
Image = image,
SubresourceRange = subresourceRange
};
device.Api.CmdPipelineBarrier(
commandBuffer,
PipelineStageFlags.PipelineStageAllCommandsBit,
PipelineStageFlags.PipelineStageAllCommandsBit,
0,
0,
null,
0,
null,
1,
barrier);
}
public VulkanQueue(VulkanDevice device, Queue apiHandle)
{
Device = device;
InternalHandle = apiHandle;
}
private static unsafe SwapchainKHR CreateSwapchain(VulkanInstance instance, VulkanDevice device,
VulkanPhysicalDevice physicalDevice, VulkanSurface surface, out Extent2D swapchainExtent,
SwapchainKHR?oldswapchain = null, bool vsyncEnabled = true)
{
if (_swapchainExtension == null)
{
instance.Api.TryGetDeviceExtension(instance.InternalHandle, device.InternalHandle, out _swapchainExtension);
}
while (!surface.CanSurfacePresent(physicalDevice))
{
Thread.Sleep(16);
}
VulkanSurface.SurfaceExtension.GetPhysicalDeviceSurfaceCapabilities(physicalDevice.InternalHandle,
surface.ApiHandle, out var capabilities);
var imageCount = capabilities.MinImageCount + 1;
if (capabilities.MaxImageCount > 0 && imageCount > capabilities.MaxImageCount)
{
imageCount = capabilities.MaxImageCount;
}
var surfaceFormat = surface.GetSurfaceFormat(physicalDevice);
bool supportsIdentityTransform = capabilities.SupportedTransforms.HasFlag(SurfaceTransformFlagsKHR.SurfaceTransformIdentityBitKhr);
bool isRotated = capabilities.CurrentTransform.HasFlag(SurfaceTransformFlagsKHR.SurfaceTransformRotate90BitKhr) ||
capabilities.CurrentTransform.HasFlag(SurfaceTransformFlagsKHR.SurfaceTransformRotate270BitKhr);
swapchainExtent = GetSwapchainExtent(surface, capabilities);
CompositeAlphaFlagsKHR compositeAlphaFlags = GetSuitableCompositeAlphaFlags(capabilities);
PresentModeKHR presentMode = GetSuitablePresentMode(physicalDevice, surface, vsyncEnabled);
var swapchainCreateInfo = new SwapchainCreateInfoKHR
{
SType = StructureType.SwapchainCreateInfoKhr,
Surface = surface.ApiHandle,
MinImageCount = imageCount,
ImageFormat = surfaceFormat.Format,
ImageColorSpace = surfaceFormat.ColorSpace,
ImageExtent = swapchainExtent,
ImageUsage =
ImageUsageFlags.ImageUsageColorAttachmentBit | ImageUsageFlags.ImageUsageTransferDstBit,
ImageSharingMode = SharingMode.Exclusive,
ImageArrayLayers = 1,
PreTransform = supportsIdentityTransform && isRotated ?
SurfaceTransformFlagsKHR.SurfaceTransformIdentityBitKhr :
capabilities.CurrentTransform,
CompositeAlpha = compositeAlphaFlags,
PresentMode = presentMode,
Clipped = true,
OldSwapchain = oldswapchain ?? new SwapchainKHR()
};
_swapchainExtension.CreateSwapchain(device.InternalHandle, swapchainCreateInfo, null, out var swapchain)
.ThrowOnError();
if (oldswapchain != null)
{
_swapchainExtension.DestroySwapchain(device.InternalHandle, oldswapchain.Value, null);
}
return(swapchain);
}
