internal Framebuffer(Device parent, RenderPass renderPass, ref FramebufferCreateInfo createInfo,
ref AllocationCallbacks?allocator)
{
Parent = parent;
RenderPass = renderPass;
Allocator = allocator;
fixed(long *attachmentsPtr = createInfo.Attachments)
{
createInfo.ToNative(out FramebufferCreateInfo.Native nativeCreateInfo, attachmentsPtr, renderPass);
long handle;
Result result = vkCreateFramebuffer(Parent, &nativeCreateInfo, NativeAllocator, &handle);
VulkanException.ThrowForInvalidResult(result);
Handle = handle;
}
}
// Helper function to create a framebuffer from a renderpass and set of render targets
private static Vk.Framebuffer CreateFramebuffer(Vk.RenderPass rp, List <RenderTarget> rts, Point size)
{
// Increment the ref count of the render targets as they are now part of a new framebuffer
foreach (var rt in rts)
{
rt.IncRefCount();
}
// Create the framebuffer
var fbci = new Vk.FramebufferCreateInfo(
rts.Select(rt => rt.VkView).ToArray(),
size.X, size.Y,
layers: 1
);
return(rp.CreateFramebuffer(fbci));
}
/// <summary>
/// Create a new framebuffer object.
/// </summary>
/// <param name="createInfo">
/// The structure which describes additional information about framebuffer creation.
/// </param>
/// <param name="allocator">Controls host memory allocation.</param>
/// <returns>The resulting framebuffer object.</returns>
/// <exception cref="VulkanException">Vulkan returns an error code.</exception>
public Framebuffer CreateFramebuffer(FramebufferCreateInfo createInfo, AllocationCallbacks?allocator = null)
{
return(new Framebuffer(Parent, this, ref createInfo, ref allocator));
}