private static void OnCommandBufferCompleted_Static(IntPtr block, MTLCommandBuffer cb)
{
lock (s_aotRegisteredBlocks)
{
if (s_aotRegisteredBlocks.TryGetValue(block, out MTLGraphicsDevice gd))
{
gd.OnCommandBufferCompleted(block, cb);
}
}
}
private protected override void WaitForIdleCore()
{
MTLCommandBuffer lastCB = default(MTLCommandBuffer);
lock (_submittedCommandsLock)
{
lastCB = _latestSubmittedCB;
}
if (lastCB.NativePtr != IntPtr.Zero && lastCB.status != MTLCommandBufferStatus.Completed)
{
lastCB.waitUntilCompleted();
}
}
private protected override void SubmitCommandsCore(CommandList commandList, Fence fence)
{
MTLCommandList mtlCL = Util.AssertSubtype <CommandList, MTLCommandList>(commandList);
mtlCL.CommandBuffer.addCompletedHandler(_completionBlockLiteral);
lock (_submittedCommandsLock)
{
if (fence != null)
{
MTLFence mtlFence = Util.AssertSubtype <Fence, MTLFence>(fence);
_submittedCBs.Add(mtlCL.CommandBuffer, mtlFence);
}
_latestSubmittedCB = mtlCL.Commit();
}
}
private protected override void SwapBuffersCore(Swapchain swapchain)
{
MTLSwapchain mtlSC = Util.AssertSubtype <Swapchain, MTLSwapchain>(swapchain);
IntPtr currentDrawablePtr = mtlSC.CurrentDrawable.NativePtr;
if (currentDrawablePtr != IntPtr.Zero)
{
using (NSAutoreleasePool.Begin())
{
MTLCommandBuffer submitCB = _commandQueue.commandBuffer();
submitCB.presentDrawable(currentDrawablePtr);
submitCB.commit();
}
}
mtlSC.GetNextDrawable();
}
private void OnCommandBufferCompleted(IntPtr block, MTLCommandBuffer cb)
{
lock (_submittedCommandsLock)
{
if (_submittedCBs.TryGetValue(cb, out MTLFence fence))
{
fence.Set();
_submittedCBs.Remove(cb);
}
if (_latestSubmittedCB.NativePtr == cb.NativePtr)
{
_latestSubmittedCB = default(MTLCommandBuffer);
}
}
ObjectiveCRuntime.release(cb.NativePtr);
}
