internal void OnClippingChanged(VisualElement ve, bool hierarchical)
{
RenderDataDirtyTypes current = ve.renderChainData.dirtiedValues;
bool isInList = (current & (RenderDataDirtyTypes.Clipping | RenderDataDirtyTypes.ClippingHierarchy)) != 0;
current |= RenderDataDirtyTypes.Clipping;
if (hierarchical)
{
current |= RenderDataDirtyTypes.ClippingHierarchy;
}
ve.renderChainData.dirtiedValues = current;
if (!isInList)
{
if (m_LastDirtyClipping != null)
{
m_LastDirtyClipping.renderChainData.nextDirtyClipping = ve;
m_LastDirtyClipping = ve;
}
else
{
m_FirstDirtyClipping = m_LastDirtyClipping = ve;
}
}
}
public void ClearDirty(VisualElement ve, RenderDataDirtyTypes dirtyTypesInverse)
{
Debug.Assert(ve.renderChainData.dirtiedValues != 0);
ve.renderChainData.dirtiedValues &= dirtyTypesInverse;
if (ve.renderChainData.dirtiedValues == 0)
{
// Mend the chain
if (ve.renderChainData.prevDirty != null)
{
ve.renderChainData.prevDirty.renderChainData.nextDirty = ve.renderChainData.nextDirty;
}
if (ve.renderChainData.nextDirty != null)
{
ve.renderChainData.nextDirty.renderChainData.prevDirty = ve.renderChainData.prevDirty;
}
if (tails[ve.renderChainData.hierarchyDepth] == ve)
{
Debug.Assert(ve.renderChainData.nextDirty == null);
tails[ve.renderChainData.hierarchyDepth] = ve.renderChainData.prevDirty;
}
if (heads[ve.renderChainData.hierarchyDepth] == ve)
{
Debug.Assert(ve.renderChainData.prevDirty == null);
heads[ve.renderChainData.hierarchyDepth] = ve.renderChainData.nextDirty;
}
ve.renderChainData.prevDirty = ve.renderChainData.nextDirty = null;
}
}
public void RegisterDirty(VisualElement ve, RenderDataDirtyTypes dirtyTypes, int dirtyTypeClassIndex)
{
Debug.Assert(dirtyTypes != 0);
int depth = ve.renderChainData.hierarchyDepth;
minDepths[dirtyTypeClassIndex] = depth < minDepths[dirtyTypeClassIndex] ? depth : minDepths[dirtyTypeClassIndex];
maxDepths[dirtyTypeClassIndex] = depth > maxDepths[dirtyTypeClassIndex] ? depth : maxDepths[dirtyTypeClassIndex];
if (ve.renderChainData.dirtiedValues != 0)
{
ve.renderChainData.dirtiedValues |= dirtyTypes;
return;
}
ve.renderChainData.dirtiedValues = dirtyTypes;
if (tails[depth] != null)
{
tails[depth].renderChainData.nextDirty = ve;
ve.renderChainData.prevDirty = tails[depth];
tails[depth] = ve;
}
else
{
heads[depth] = tails[depth] = ve;
}
}
public void UIEOnTransformOrSizeChanged(VisualElement ve, bool transformChanged, bool sizeChanged)
{
if (ve.renderChainData.isInChain)
{
if (m_BlockDirtyRegistration)
{
throw new InvalidOperationException("VisualElements cannot change size or transform under an active visual tree during generateVisualContent callback execution");
}
RenderDataDirtyTypes flags =
(transformChanged ? RenderDataDirtyTypes.Transform : RenderDataDirtyTypes.None) |
(sizeChanged ? RenderDataDirtyTypes.Size : RenderDataDirtyTypes.None);
m_DirtyTracker.RegisterDirty(ve, flags, (int)RenderDataDirtyTypeClasses.TransformSize);
}
}
internal void OnTransformOrSizeChanged(VisualElement ve, bool transformChanged, bool sizeChanged)
{
RenderDataDirtyTypes current = ve.renderChainData.dirtiedValues;
bool isInList = (current & (RenderDataDirtyTypes.Transform | RenderDataDirtyTypes.Size)) != 0;
ve.renderChainData.dirtiedValues = current |
(transformChanged ? RenderDataDirtyTypes.Transform : RenderDataDirtyTypes.None) |
(sizeChanged ? RenderDataDirtyTypes.Size : RenderDataDirtyTypes.None);
if (!isInList)
{
if (m_LastDirtyTransformOrSize != null)
{
m_LastDirtyTransformOrSize.renderChainData.nextDirtyTransformOrSize = ve;
m_LastDirtyTransformOrSize = ve;
}
else
{
m_FirstDirtyTransformOrSize = m_LastDirtyTransformOrSize = ve;
}
}
}
