public unsafe static void ClosePaintElement(VisualElement ve, UIRStylePainter.ClosingInfo closingInfo, RenderChain renderChain, ref ChainBuilderStats stats)
{
if (closingInfo.clipperRegisterIndices.Length > 0)
{
NativeSlice <Vertex> verts = new NativeSlice <Vertex>();
NativeSlice <UInt16> indices = new NativeSlice <UInt16>();
UInt16 indexOffset = 0;
// Due to device Update limitations, we cannot share the vertices of the registration mesh. It would be great
// if we can just point winding-flipped indices towards the same vertices as the registration mesh.
// For now, we duplicate the registration mesh entirely, wasting a bit of vertex memory
UpdateOrAllocate(ref ve.renderChainData.closingData, closingInfo.clipperRegisterVertices.Length, closingInfo.clipperRegisterIndices.Length, renderChain.device, out verts, out indices, out indexOffset, ref stats);
var job = new CopyClosingMeshJobData
{
vertSrc = (IntPtr)closingInfo.clipperRegisterVertices.GetUnsafePtr(),
vertDst = (IntPtr)verts.GetUnsafePtr(),
vertCount = verts.Length,
indexSrc = (IntPtr)closingInfo.clipperRegisterIndices.GetUnsafePtr(),
indexDst = (IntPtr)indices.GetUnsafePtr(),
indexCount = indices.Length,
indexOffset = indexOffset - closingInfo.clipperRegisterIndexOffset
};
renderChain.jobManager.Add(ref job);
closingInfo.clipUnregisterDrawCommand.mesh = ve.renderChainData.closingData;
closingInfo.clipUnregisterDrawCommand.indexCount = indices.Length;
}
}
static void DepthFirstOnVisualsChanged(RenderChain renderChain, VisualElement ve, uint dirtyID, bool parentHierarchyHidden, bool hierarchical, ref ChainBuilderStats stats)
{
if (dirtyID == ve.renderChainData.dirtyID)
{
return;
}
ve.renderChainData.dirtyID = dirtyID; // Prevent reprocessing of the same element in the same pass
if (hierarchical)
{
stats.recursiveVisualUpdatesExpanded++;
}
bool wasHierarchyHidden = ve.renderChainData.isHierarchyHidden;
ve.renderChainData.isHierarchyHidden = parentHierarchyHidden || IsElementHierarchyHidden(ve);
if (wasHierarchyHidden != ve.renderChainData.isHierarchyHidden)
{
hierarchical = true;
}
if (!hierarchical && (ve.renderChainData.dirtiedValues & RenderDataDirtyTypes.AllVisuals) == RenderDataDirtyTypes.VisualsOpacityId)
{
stats.opacityIdUpdates++;
CommandGenerator.UpdateOpacityId(ve, renderChain);
return;
}
UpdateWorldFlipsWinding(ve);
Debug.Assert(ve.renderChainData.clipMethod != ClipMethod.Undetermined);
Debug.Assert(RenderChainVEData.AllocatesID(ve.renderChainData.transformID) || ve.hierarchy.parent == null || ve.renderChainData.transformID.Equals(ve.hierarchy.parent.renderChainData.transformID) || (ve.renderHints & RenderHints.GroupTransform) != 0);
if (ve is TextElement)
{
RenderEvents.UpdateTextCoreSettings(renderChain, ve);
}
UIRStylePainter.ClosingInfo closingInfo = CommandGenerator.PaintElement(renderChain, ve, ref stats);
if (hierarchical)
{
// Recurse on children
int childrenCount = ve.hierarchy.childCount;
for (int i = 0; i < childrenCount; i++)
{
DepthFirstOnVisualsChanged(renderChain, ve.hierarchy[i], dirtyID, ve.renderChainData.isHierarchyHidden, true, ref stats);
}
}
// By closing the element after its children, we can ensure closing data is allocated
// at a time that would maintain continuity in the index buffer
if (closingInfo.needsClosing)
{
CommandGenerator.ClosePaintElement(ve, closingInfo, renderChain, ref stats);
}
}
internal void Reset()
{
bool disposed = this.disposed;
if (disposed)
{
DisposeHelper.NotifyDisposedUsed(this);
}
else
{
this.ValidateMeshWriteData();
this.m_Entries.Clear();
this.m_VertsPool.SessionDone();
this.m_IndicesPool.SessionDone();
this.m_ClosingInfo = default(UIRStylePainter.ClosingInfo);
this.m_NextMeshWriteDataPoolItem = 0;
this.currentElement = null;
this.totalVertices = (this.totalIndices = 0);
}
}