internal VulkanCommandBufferPool.VulkanCommandBuffer StartPresentation()
{
_nextImage = 0;
while (true)
{
var acquireResult = _swapchainExtension.AcquireNextImage(
_device.InternalHandle,
_swapchain,
ulong.MaxValue,
_semaphorePair.ImageAvailableSemaphore,
new Fence(),
ref _nextImage);
if (acquireResult == Result.ErrorOutOfDateKhr ||
acquireResult == Result.SuboptimalKhr)
{
Recreate();
}
else
{
acquireResult.ThrowOnError();
break;
}
}
var commandBuffer = CommandBufferPool.CreateCommandBuffer();
commandBuffer.BeginRecording();
VulkanMemoryHelper.TransitionLayout(_device, commandBuffer.InternalHandle,
_swapchainImages[_nextImage], ImageLayout.Undefined,
AccessFlags.AccessNoneKhr,
ImageLayout.TransferDstOptimal,
AccessFlags.AccessTransferWriteBit,
1);
return(commandBuffer);
}
