/// <summary>
/// Submit an executable command buffer with optional wait and signal semaphores, and an optional fence to be signaled when the commands have been completed.
/// </summary>
/// <param name="queue">Queue.</param>
/// <param name="wait">Wait.</param>
/// <param name="signal">Signal.</param>
/// <param name="fence">Fence.</param>
public void Submit(VkQueue queue, VkSemaphore wait = default, VkSemaphore signal = default, Fence fence = null)
{
VkSubmitInfo submit_info = VkSubmitInfo.New();
IntPtr dstStageMask = Marshal.AllocHGlobal(sizeof(uint));
Marshal.WriteInt32(dstStageMask, (int)VkPipelineStageFlags.ColorAttachmentOutput);
using (PinnedObjects pctx = new PinnedObjects()) {
submit_info.pWaitDstStageMask = dstStageMask;
if (signal != VkSemaphore.Null)
{
submit_info.signalSemaphoreCount = 1;
submit_info.pSignalSemaphores = signal.Pin(pctx);
}
if (wait != VkSemaphore.Null)
{
submit_info.waitSemaphoreCount = 1;
submit_info.pWaitSemaphores = wait.Pin(pctx);
}
submit_info.commandBufferCount = 1;
submit_info.pCommandBuffers = handle.Pin(pctx);
Utils.CheckResult(vkQueueSubmit(queue, 1, ref submit_info, fence));
}
Marshal.FreeHGlobal(dstStageMask);
}
public void Present(SwapChain swapChain, VkSemaphore wait)
{
VkPresentInfoKHR present = VkPresentInfoKHR.New();
uint idx = swapChain.currentImageIndex;
VkSwapchainKHR sc = swapChain.handle;
present.swapchainCount = 1;
present.pSwapchains = sc.Pin();
present.waitSemaphoreCount = 1;
present.pWaitSemaphores = wait.Pin();
present.pImageIndices = idx.Pin();
Utils.CheckResult(vkQueuePresentKHR(handle, ref present));
sc.Unpin();
wait.Unpin();
idx.Unpin();
}