public VulkanRenderTarget(VulkanPlatformInterface vulkanPlatformInterface, IVulkanPlatformSurface vulkanPlatformSurface)
{
_surface = vulkanPlatformInterface.CreateRenderTarget(vulkanPlatformSurface);
_vulkanPlatformInterface = vulkanPlatformInterface;
_vulkanPlatformSurface = vulkanPlatformSurface;
Initialize();
}
public VulkanSurfaceRenderingSession(VulkanDisplay display, VulkanDevice device,
VulkanSurfaceRenderTarget renderTarget, float scaling)
{
Display = display;
_device = device;
_renderTarget = renderTarget;
Scaling = scaling;
Begin();
}
internal void BlitImageToCurrentImage(VulkanSurfaceRenderTarget renderTarget, CommandBuffer commandBuffer)
{
var image = renderTarget.GetImage();
VulkanMemoryHelper.TransitionLayout(_device, commandBuffer,
image.InternalHandle.Value, (ImageLayout)image.CurrentLayout,
AccessFlags.AccessNoneKhr,
ImageLayout.TransferSrcOptimal,
AccessFlags.AccessTransferReadBit,
renderTarget.MipLevels);
var srcBlitRegion = new ImageBlit
{
SrcOffsets = new ImageBlit.SrcOffsetsBuffer
{
Element0 = new Offset3D(0, 0, 0),
Element1 = new Offset3D(renderTarget.Size.Width, renderTarget.Size.Height, 1),
},
DstOffsets = new ImageBlit.DstOffsetsBuffer
{
Element0 = new Offset3D(0, 0, 0),
Element1 = new Offset3D(Size.Width, Size.Height, 1),
},
SrcSubresource = new ImageSubresourceLayers
{
AspectMask = ImageAspectFlags.ImageAspectColorBit,
BaseArrayLayer = 0,
LayerCount = 1,
MipLevel = 0
},
DstSubresource = new ImageSubresourceLayers
{
AspectMask = ImageAspectFlags.ImageAspectColorBit,
BaseArrayLayer = 0,
LayerCount = 1,
MipLevel = 0
}
};
_device.Api.CmdBlitImage(commandBuffer, image.InternalHandle.Value,
ImageLayout.TransferSrcOptimal,
_swapchainImages[_nextImage],
ImageLayout.TransferDstOptimal,
1,
srcBlitRegion,
Filter.Linear);
VulkanMemoryHelper.TransitionLayout(_device, commandBuffer,
image.InternalHandle.Value, ImageLayout.TransferSrcOptimal,
AccessFlags.AccessTransferReadBit,
(ImageLayout)image.CurrentLayout,
AccessFlags.AccessNoneKhr,
renderTarget.MipLevels);
}
public VulkanSurfaceRenderTarget CreateRenderTarget(IVulkanPlatformSurface platformSurface)
{
var surface = VulkanSurface.CreateSurface(Instance, platformSurface);
if (PhysicalDevice == null)
{
PhysicalDevice = VulkanPhysicalDevice.FindSuitablePhysicalDevice(Instance, surface, _options.PreferDiscreteGpu, _options.PreferredDevice);
}
var renderTarget = new VulkanSurfaceRenderTarget(this, surface);
if (MainSurface == null && surface != null)
{
MainSurface = renderTarget;
}
return(renderTarget);
}
