/// <summary>
/// Registers a sync action to happen for this handle, and an interim flush action on the tracking handle.
/// </summary>
/// <param name="context">The GPU context to register a sync action on</param>
private void RegisterSync(GpuContext context)
{
if (!_syncActionRegistered)
{
_modifiedSync = context.SyncNumber;
context.RegisterSyncAction(SyncAction, true);
_syncActionRegistered = true;
}
if (Interlocked.Exchange(ref _actionRegistered, 1) == 0)
{
_group.RegisterAction(this);
}
}
/// <summary>
/// Registers a sync action to happen for this handle, and an interim flush action on the tracking handle.
/// </summary>
/// <param name="context">The GPU context to register a sync action on</param>
private void RegisterSync(GpuContext context)
{
if (!_syncActionRegistered)
{
_modifiedSync = context.SyncNumber;
context.RegisterSyncAction(SyncAction, true);
_syncActionRegistered = true;
}
if (!_actionRegistered)
{
_group.RegisterAction(this);
_actionRegistered = true;
}
}
/// <summary>
/// Perform a copy from the provided handle to this one, or perform a deferred copy if none is provided.
/// </summary>
/// <param name="fromHandle">The handle to copy from. If not provided, this method will copy from and clear the deferred copy instead</param>
/// <returns>True if the copy was performed, false otherwise</returns>
public bool Copy(TextureGroupHandle fromHandle = null)
{
bool result = false;
if (fromHandle == null)
{
fromHandle = DeferredCopy;
if (fromHandle != null && fromHandle._bindCount == 0)
{
// Repeat the copy in future if the bind count is greater than 0.
DeferredCopy = null;
}
}
if (fromHandle != null)
{
// If the copy texture is dirty, do not copy. Its data no longer matters, and this handle should also be dirty.
if (!fromHandle.CheckDirty())
{
Texture from = fromHandle._group.Storage;
Texture to = _group.Storage;
if (from.ScaleFactor != to.ScaleFactor)
{
to.PropagateScale(from);
}
from.HostTexture.CopyTo(
to.HostTexture,
fromHandle._firstLayer,
_firstLayer,
fromHandle._firstLevel,
_firstLevel);
Modified = true;
_group.RegisterAction(this);
result = true;
}
}
return(result);
}
