public Result QueuePresentKHR(MgPresentInfoKHR pPresentInfo)
{
if (pPresentInfo == null)
{
throw new ArgumentNullException(nameof(pPresentInfo));
}
var attachedItems = new List <IntPtr>();
try
{
uint waitSemaphoreCount;
var pWaitSemaphores = ExtractSemaphores(attachedItems, pPresentInfo.WaitSemaphores, out waitSemaphoreCount);
IntPtr pSwapchains;
IntPtr pImageIndices;
uint swapchainCount = ExtractSwapchains(attachedItems, pPresentInfo.Images, out pSwapchains, out pImageIndices);
var pResults = ExtractResults(attachedItems, pPresentInfo.Results);
var presentInfo = new VkPresentInfoKHR
{
sType = VkStructureType.StructureTypePresentInfoKhr,
pNext = IntPtr.Zero,
waitSemaphoreCount = waitSemaphoreCount,
pWaitSemaphores = pWaitSemaphores,
swapchainCount = swapchainCount,
pSwapchains = pSwapchains,
pImageIndices = pImageIndices,
pResults = pResults,
};
var result = Interops.vkQueuePresentKHR(Handle, ref presentInfo);
// MUST ABLE TO RETURN
if (pResults != IntPtr.Zero)
{
var stride = Marshal.SizeOf(typeof(Result));
var swapChains = new Result[swapchainCount];
var offset = 0;
for (var i = 0; i < swapchainCount; ++i)
{
var src = IntPtr.Add(pResults, offset);
swapChains[i] = (Magnesium.Result)Marshal.PtrToStructure(src, typeof(Magnesium.Result));
offset += stride;
}
pPresentInfo.Results = swapChains;
}
return(result);
}
finally
{
foreach (var item in attachedItems)
{
Marshal.FreeHGlobal(item);
}
}
}
internal extern static Result vkQueuePresentKHR(IntPtr queue, ref VkPresentInfoKHR pPresentInfo);
