// Flush existing commands to the GPU but keep the context alive
public long Flush(bool waitForCompletion = false)
{
FlushResourceBarriers();
Debug.Assert(_CurrentAllocator != null);
var fenceValue = Globals.CommandManager.Queue(_Type).ExecuteCommandList(_CommandList);
if (waitForCompletion)
{
CommandListManager.WaitForFence(fenceValue);
}
// Reset the command list and restore previous state
_CommandList.Reset(_CurrentAllocator, null);
if (_CurrentGraphicsRootSignature != null)
{
_CommandList.SetGraphicsRootSignature(_CurrentGraphicsRootSignature);
_CommandList.PipelineState = _CurrentGraphicsPipelineState;
}
if (_CurrentComputeRootSignature != null)
{
_CommandList.SetComputeRootSignature(_CurrentComputeRootSignature);
_CommandList.PipelineState = _CurrentComputePipelineState;
}
BindDescriptorHeaps();
return(fenceValue);
}
// Flush existing commands and release the current context
public long Finish(bool waitForCompletion = false)
{
Debug.Assert(_Type == CommandListType.Direct || _Type == CommandListType.Compute);
FlushResourceBarriers();
//TODO : EngineProfiling
Debug.Assert(_CurrentAllocator != null);
var queue = Globals.CommandManager.Queue(_Type);
var fenceValue = queue.ExecuteCommandList(_CommandList);
queue.DiscardAllocator(fenceValue, _CurrentAllocator);
_CurrentAllocator = null;
_CpuLinearAllocator.CleanUpPages(fenceValue);
_GpuLinearAllocator.CleanUpPages(fenceValue);
_DynamicViewDescriptorHeap.CleanupUsedHeaps(fenceValue);
_DynamicSamplerDescriptorHeap.CleanupUsedHeaps(fenceValue);
if (waitForCompletion)
{
CommandListManager.WaitForFence(fenceValue);
}
Globals.ContextManager.FreeContext(this);
return(fenceValue);
}
void InitializePlatformDependent(ref Boolean bSuccess)
{
// platform-specific assignment
DynamicDescriptorHeap = new H1DynamicDescriptorHeap();
bSuccess = CommandListManager.CreateCommandList(CommandListType, this);
}
