Ejemplo n.º 1
0
        /// <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);
            }
        }
Ejemplo n.º 2
0
        /// <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;
            }
        }
Ejemplo n.º 3
0
        /// <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);
        }