static bool UpdateTextCoreSettings(RenderChain renderChain, VisualElement ve)
{
if (ve == null || !TextUtilities.IsFontAssigned(ve))
{
return(false);
}
bool allocatesID = RenderChainVEData.AllocatesID(ve.renderChainData.textCoreSettingsID);
var settings = TextUtilities.GetTextCoreSettingsForElement(ve);
// If we aren't using a color ID (the DynamicColor flag), the text color will be stored in the vertex data,
// so there's no need for a color match with the default TextCore settings.
bool useDefaultColor = !NeedsColorID(ve) || settings.faceColor == Color.white;
if (useDefaultColor && !NeedsTextCoreSettings(ve) && !allocatesID)
{
// Use default TextCore settings
ve.renderChainData.textCoreSettingsID = UIRVEShaderInfoAllocator.defaultTextCoreSettings;
return(true);
}
if (!allocatesID)
{
ve.renderChainData.textCoreSettingsID = renderChain.shaderInfoAllocator.AllocTextCoreSettings(settings);
}
if (RenderChainVEData.AllocatesID(ve.renderChainData.textCoreSettingsID))
{
renderChain.shaderInfoAllocator.SetTextCoreSettingValue(ve.renderChainData.textCoreSettingsID, settings);
}
return(true);
}
static Vector4 GetClipRectIDClipInfo(VisualElement ve)
{
Rect rect;
Debug.Assert(RenderChainVEData.AllocatesID(ve.renderChainData.clipRectID));
if (ve.renderChainData.groupTransformAncestor == null)
{
rect = ve.worldClip;
}
else
{
rect = ve.worldClipMinusGroup;
// Subtract the transform of the group transform ancestor
VisualElement.TransformAlignedRect(ref ve.renderChainData.groupTransformAncestor.worldTransformInverse, ref rect);
}
// See ComputeRelativeClipRectCoords in the shader for details on this computation
Vector2 min = rect.min;
Vector2 max = rect.max;
Vector2 diff = max - min;
Vector2 mul = new Vector2(1 / (diff.x + 0.0001f), 1 / (diff.y + 0.0001f));
Vector2 a = 2 * mul;
Vector2 b = -(min + max) * mul;
return(new Vector4(a.x, a.y, b.x, b.y));
}
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);
}
}
static Vector4 GetClipRectIDClipInfo(VisualElement ve)
{
Debug.Assert(RenderChainVEData.AllocatesID(ve.renderChainData.clipRectID));
if (ve.renderChainData.groupTransformAncestor == null)
{
return(UIRUtility.ToVector4(ve.worldClip));
}
Rect rect = ve.worldClipMinusGroup;
// Subtract the transform of the group transform ancestor
VisualElement.TransformAlignedRect(ref ve.renderChainData.groupTransformAncestor.worldTransformInverse, ref rect);
return(UIRUtility.ToVector4(rect));
}
static Matrix4x4 GetTransformIDTransformInfo(VisualElement ve)
{
Debug.Assert(RenderChainVEData.AllocatesID(ve.renderChainData.transformID) || (ve.renderHints & (RenderHints.GroupTransform)) != 0);
Matrix4x4 transform;
if (ve.renderChainData.groupTransformAncestor != null)
{
VisualElement.MultiplyMatrix34(ref ve.renderChainData.groupTransformAncestor.worldTransformInverse, ref ve.worldTransformRef, out transform);
}
else
{
transform = ve.worldTransform;
}
transform.m22 = 1.0f; // Once world-space mode is introduced, this should become conditional
return(transform);
}
static void GetVerticesTransformInfo(VisualElement ve, out Matrix4x4 transform)
{
if (RenderChainVEData.AllocatesID(ve.renderChainData.transformID) || (ve.renderHints & (RenderHints.GroupTransform)) != 0)
{
transform = Matrix4x4.identity;
}
else if (ve.renderChainData.boneTransformAncestor != null)
{
VisualElement.MultiplyMatrix34(ref ve.renderChainData.boneTransformAncestor.worldTransformInverse, ref ve.worldTransformRef, out transform);
}
else if (ve.renderChainData.groupTransformAncestor != null)
{
VisualElement.MultiplyMatrix34(ref ve.renderChainData.groupTransformAncestor.worldTransformInverse, ref ve.worldTransformRef, out transform);
}
else
{
transform = ve.worldTransform;
}
transform.m22 = 1.0f; // Once world-space mode is introduced, this should become conditional
}
static void DepthFirstOnTransformOrSizeChanged(RenderChain renderChain, VisualElement parent, VisualElement ve, uint dirtyID, UIRenderDevice device, bool isAncestorOfChangeSkinned, bool transformChanged, ref ChainBuilderStats stats)
{
if (dirtyID == ve.renderChainData.dirtyID)
{
return;
}
stats.recursiveTransformUpdatesExpanded++;
transformChanged |= (ve.renderChainData.dirtiedValues & RenderDataDirtyTypes.Transform) != 0;
if (RenderChainVEData.AllocatesID(ve.renderChainData.clipRectID))
{
renderChain.shaderInfoAllocator.SetClipRectValue(ve.renderChainData.clipRectID, GetClipRectIDClipInfo(ve));
}
if (transformChanged && UpdateLocalFlipsWinding(ve))
{
renderChain.UIEOnVisualsChanged(ve, true);
}
bool dirtyHasBeenResolved = true;
if (RenderChainVEData.AllocatesID(ve.renderChainData.transformID))
{
renderChain.shaderInfoAllocator.SetTransformValue(ve.renderChainData.transformID, GetTransformIDTransformInfo(ve));
isAncestorOfChangeSkinned = true;
stats.boneTransformed++;
}
else if (!transformChanged)
{
// Only the clip info had to be updated, we can skip the other cases which are for transform changes only.
}
else if ((ve.renderHints & RenderHints.GroupTransform) != 0)
{
stats.groupTransformElementsChanged++;
}
else if (isAncestorOfChangeSkinned)
{
// Children of a bone element inherit the transform data change automatically when the root updates that data, no need to do anything for children
Debug.Assert(RenderChainVEData.InheritsID(ve.renderChainData.transformID)); // The element MUST have a transformID that has been inherited from an ancestor
dirtyHasBeenResolved = false; // We just skipped processing, if another later transform change is queued on this element this pass then we should still process it
stats.skipTransformed++;
}
else if ((ve.renderChainData.dirtiedValues & (RenderDataDirtyTypes.Visuals | RenderDataDirtyTypes.VisualsHierarchy)) == 0 && (ve.renderChainData.data != null))
{
// If a visual update will happen, then skip work here as the visual update will incorporate the transformed vertices
if (!ve.renderChainData.disableNudging && CommandGenerator.NudgeVerticesToNewSpace(ve, renderChain, device))
{
stats.nudgeTransformed++;
}
else
{
renderChain.UIEOnVisualsChanged(ve, false); // Nudging not allowed, so do a full visual repaint
stats.visualUpdateTransformed++;
}
}
if (dirtyHasBeenResolved)
{
ve.renderChainData.dirtyID = dirtyID; // Prevent reprocessing of the same element in the same pass
}
// Make sure to pre-evaluate world transform and clip now so we don't do it at render time
if (renderChain.drawInCameras)
{
ve.EnsureWorldTransformAndClipUpToDate();
}
if ((ve.renderHints & RenderHints.GroupTransform) == 0)
{
// Recurse on children
int childrenCount = ve.hierarchy.childCount;
for (int i = 0; i < childrenCount; i++)
{
DepthFirstOnTransformOrSizeChanged(renderChain, ve, ve.hierarchy[i], dirtyID, device, isAncestorOfChangeSkinned, transformChanged, ref stats);
}
}
}
static void DepthFirstOnClippingChanged(RenderChain renderChain,
VisualElement parent,
VisualElement ve,
uint dirtyID,
bool hierarchical,
bool isRootOfChange, // MUST be true on the root call.
bool isPendingHierarchicalRepaint, // MUST be false on the root call.
bool inheritedClipRectIDChanged, // MUST be false on the root call.
bool inheritedMaskingChanged, // MUST be false on the root call.
UIRenderDevice device,
ref ChainBuilderStats stats)
{
bool upToDate = dirtyID == ve.renderChainData.dirtyID;
if (upToDate && !inheritedClipRectIDChanged && !inheritedMaskingChanged)
{
return;
}
ve.renderChainData.dirtyID = dirtyID; // Prevent reprocessing of the same element in the same pass
if (!isRootOfChange)
{
stats.recursiveClipUpdatesExpanded++;
}
isPendingHierarchicalRepaint |= (ve.renderChainData.dirtiedValues & RenderDataDirtyTypes.VisualsHierarchy) != 0;
// Internal operations (done in this call) to do:
bool mustUpdateClipRectID = hierarchical || isRootOfChange || inheritedClipRectIDChanged;
bool mustUpdateClippingMethod = hierarchical || isRootOfChange;
bool mustUpdateChildrenMasking = hierarchical || isRootOfChange || inheritedMaskingChanged;
// External operations (done by recursion or postponed) to do:
bool mustRepaintThis = false;
bool mustRepaintHierarchy = false;
bool mustProcessSizeChange = false;
// mustRecurse implies recursing on all children, but doesn't force anything beyond them.
// hierarchical implies recursing on all descendants
// As a result, hierarchical implies mustRecurse
bool mustRecurse = hierarchical;
ClipMethod oldClippingMethod = ve.renderChainData.clipMethod;
ClipMethod newClippingMethod = mustUpdateClippingMethod ? DetermineSelfClipMethod(renderChain, ve) : oldClippingMethod;
// Shader discard support
bool clipRectIDChanged = false;
if (mustUpdateClipRectID)
{
BMPAlloc newClipRectID = ve.renderChainData.clipRectID;
if (newClippingMethod == ClipMethod.ShaderDiscard)
{
if (!RenderChainVEData.AllocatesID(ve.renderChainData.clipRectID))
{
newClipRectID = renderChain.shaderInfoAllocator.AllocClipRect();
if (!newClipRectID.IsValid())
{
newClippingMethod = ClipMethod.Scissor; // Fallback to scissor since we couldn't allocate a clipRectID
// Both shader discard and scisorring work with world-clip rectangles, so no need
// to inherit any clipRectIDs for such elements, our own scissor rect clips up correctly
newClipRectID = UIRVEShaderInfoAllocator.infiniteClipRect;
}
}
}
else
{
if (RenderChainVEData.AllocatesID(ve.renderChainData.clipRectID))
{
renderChain.shaderInfoAllocator.FreeClipRect(ve.renderChainData.clipRectID);
}
// Inherit parent's clipRectID if possible.
// Group transforms shouldn't inherit the clipRectID since they have a new frame of reference,
// they provide a new baseline with the _PixelClipRect instead.
if ((ve.renderHints & RenderHints.GroupTransform) == 0)
{
newClipRectID = ((newClippingMethod != ClipMethod.Scissor) && (parent != null)) ? parent.renderChainData.clipRectID : UIRVEShaderInfoAllocator.infiniteClipRect;
newClipRectID.ownedState = OwnedState.Inherited;
}
}
clipRectIDChanged = !ve.renderChainData.clipRectID.Equals(newClipRectID);
Debug.Assert((ve.renderHints & RenderHints.GroupTransform) == 0 || !clipRectIDChanged);
ve.renderChainData.clipRectID = newClipRectID;
}
bool maskingChanged = false;
if (oldClippingMethod != newClippingMethod)
{
ve.renderChainData.clipMethod = newClippingMethod;
if (oldClippingMethod == ClipMethod.Stencil || newClippingMethod == ClipMethod.Stencil)
{
maskingChanged = true;
mustUpdateChildrenMasking = true;
}
if (oldClippingMethod == ClipMethod.Scissor || newClippingMethod == ClipMethod.Scissor)
{
// We need to add/remove scissor push/pop commands
mustRepaintThis = true;
}
if (newClippingMethod == ClipMethod.ShaderDiscard || oldClippingMethod == ClipMethod.ShaderDiscard && RenderChainVEData.AllocatesID(ve.renderChainData.clipRectID))
{
// We must update the clipping rects.
mustProcessSizeChange = true;
}
}
if (clipRectIDChanged)
{
// Our children MUST update their render data clipRectIDs
mustRecurse = true;
// Our children MUST update their vertex clipRectIDs
mustRepaintHierarchy = true;
}
if (mustUpdateChildrenMasking)
{
int newChildrenMaskDepth = 0;
int newChildrenStencilRef = 0;
if (parent != null)
{
newChildrenMaskDepth = parent.renderChainData.childrenMaskDepth;
newChildrenStencilRef = parent.renderChainData.childrenStencilRef;
if (newClippingMethod == ClipMethod.Stencil)
{
if (newChildrenMaskDepth > newChildrenStencilRef)
{
++newChildrenStencilRef;
}
++newChildrenMaskDepth;
}
// When applying the MaskContainer hint, we skip because the last depth level because even though we
// could technically increase the reference value, it would be useless since there won't be more
// deeply nested masks that could benefit from it.
if ((ve.renderHints & RenderHints.MaskContainer) == RenderHints.MaskContainer && newChildrenMaskDepth < UIRUtility.k_MaxMaskDepth)
{
newChildrenStencilRef = newChildrenMaskDepth;
}
}
if (ve.renderChainData.childrenMaskDepth != newChildrenMaskDepth || ve.renderChainData.childrenStencilRef != newChildrenStencilRef)
{
maskingChanged = true;
}
ve.renderChainData.childrenMaskDepth = newChildrenMaskDepth;
ve.renderChainData.childrenStencilRef = newChildrenStencilRef;
}
if (maskingChanged)
{
mustRecurse = true; // Our children must update their inherited state.
// These optimizations would allow to skip repainting the hierarchy:
// a) We could update the stencilRef in the commands without repainting
// b) The winding order could be reversed without repainting (when required)
// In the meantime, we have no other choice but to request a hierarchical repaint.
mustRepaintHierarchy = true;
}
if ((mustRepaintThis || mustRepaintHierarchy) && !isPendingHierarchicalRepaint)
{
renderChain.UIEOnVisualsChanged(ve, mustRepaintHierarchy);
isPendingHierarchicalRepaint = true;
}
if (mustProcessSizeChange)
{
renderChain.UIEOnTransformOrSizeChanged(ve, false, true);
}
if (mustRecurse)
{
int childrenCount = ve.hierarchy.childCount;
for (int i = 0; i < childrenCount; i++)
{
DepthFirstOnClippingChanged(
renderChain,
ve,
ve.hierarchy[i],
dirtyID,
// Having to recurse doesn't mean that we need to process ALL descendants. For example, the
// propagation of the transformId may stop if a group or a bone is encountered.
hierarchical,
false,
isPendingHierarchicalRepaint,
clipRectIDChanged,
maskingChanged,
device,
ref stats);
}
}
}
internal static uint DepthFirstOnChildRemoving(RenderChain renderChain, VisualElement ve)
{
// Recurse on children
int childrenCount = ve.hierarchy.childCount - 1;
uint deepCount = 0;
while (childrenCount >= 0)
{
deepCount += DepthFirstOnChildRemoving(renderChain, ve.hierarchy[childrenCount--]);
}
if (ve.renderChainData.isInChain)
{
renderChain.ChildWillBeRemoved(ve);
CommandGenerator.ResetCommands(renderChain, ve);
renderChain.ResetTextures(ve);
ve.renderChainData.isInChain = false;
ve.renderChainData.clipMethod = ClipMethod.Undetermined;
if (ve.renderChainData.next != null)
{
ve.renderChainData.next.renderChainData.prev = ve.renderChainData.prev;
}
if (ve.renderChainData.prev != null)
{
ve.renderChainData.prev.renderChainData.next = ve.renderChainData.next;
}
if (RenderChainVEData.AllocatesID(ve.renderChainData.textCoreSettingsID))
{
renderChain.shaderInfoAllocator.FreeTextCoreSettings(ve.renderChainData.textCoreSettingsID);
ve.renderChainData.textCoreSettingsID = UIRVEShaderInfoAllocator.defaultTextCoreSettings;
}
if (RenderChainVEData.AllocatesID(ve.renderChainData.opacityID))
{
renderChain.shaderInfoAllocator.FreeOpacity(ve.renderChainData.opacityID);
ve.renderChainData.opacityID = UIRVEShaderInfoAllocator.fullOpacity;
}
if (RenderChainVEData.AllocatesID(ve.renderChainData.colorID))
{
renderChain.shaderInfoAllocator.FreeColor(ve.renderChainData.colorID);
ve.renderChainData.colorID = BMPAlloc.Invalid;
}
if (RenderChainVEData.AllocatesID(ve.renderChainData.backgroundColorID))
{
renderChain.shaderInfoAllocator.FreeColor(ve.renderChainData.backgroundColorID);
ve.renderChainData.backgroundColorID = BMPAlloc.Invalid;
}
if (RenderChainVEData.AllocatesID(ve.renderChainData.borderLeftColorID))
{
renderChain.shaderInfoAllocator.FreeColor(ve.renderChainData.borderLeftColorID);
ve.renderChainData.borderLeftColorID = BMPAlloc.Invalid;
}
if (RenderChainVEData.AllocatesID(ve.renderChainData.borderTopColorID))
{
renderChain.shaderInfoAllocator.FreeColor(ve.renderChainData.borderTopColorID);
ve.renderChainData.borderTopColorID = BMPAlloc.Invalid;
}
if (RenderChainVEData.AllocatesID(ve.renderChainData.borderRightColorID))
{
renderChain.shaderInfoAllocator.FreeColor(ve.renderChainData.borderRightColorID);
ve.renderChainData.borderRightColorID = BMPAlloc.Invalid;
}
if (RenderChainVEData.AllocatesID(ve.renderChainData.borderBottomColorID))
{
renderChain.shaderInfoAllocator.FreeColor(ve.renderChainData.borderBottomColorID);
ve.renderChainData.borderBottomColorID = BMPAlloc.Invalid;
}
if (RenderChainVEData.AllocatesID(ve.renderChainData.tintColorID))
{
renderChain.shaderInfoAllocator.FreeColor(ve.renderChainData.tintColorID);
ve.renderChainData.tintColorID = BMPAlloc.Invalid;
}
if (RenderChainVEData.AllocatesID(ve.renderChainData.clipRectID))
{
renderChain.shaderInfoAllocator.FreeClipRect(ve.renderChainData.clipRectID);
ve.renderChainData.clipRectID = UIRVEShaderInfoAllocator.infiniteClipRect;
}
if (RenderChainVEData.AllocatesID(ve.renderChainData.transformID))
{
renderChain.shaderInfoAllocator.FreeTransform(ve.renderChainData.transformID);
ve.renderChainData.transformID = UIRVEShaderInfoAllocator.identityTransform;
}
ve.renderChainData.boneTransformAncestor = ve.renderChainData.groupTransformAncestor = null;
if (ve.renderChainData.closingData != null)
{
renderChain.device.Free(ve.renderChainData.closingData);
ve.renderChainData.closingData = null;
}
if (ve.renderChainData.data != null)
{
renderChain.device.Free(ve.renderChainData.data);
ve.renderChainData.data = null;
}
}
return(deepCount + 1);
}
internal static uint DepthFirstOnChildAdded(RenderChain renderChain, VisualElement parent, VisualElement ve, int index, bool resetState)
{
Debug.Assert(ve.panel != null);
if (ve.renderChainData.isInChain)
{
return(0); // Already added, redundant call
}
if (resetState)
{
ve.renderChainData = new RenderChainVEData();
}
ve.renderChainData.isInChain = true;
ve.renderChainData.verticesSpace = Matrix4x4.identity;
ve.renderChainData.transformID = UIRVEShaderInfoAllocator.identityTransform;
ve.renderChainData.clipRectID = UIRVEShaderInfoAllocator.infiniteClipRect;
ve.renderChainData.opacityID = UIRVEShaderInfoAllocator.fullOpacity;
ve.renderChainData.colorID = BMPAlloc.Invalid; // Rely on vertex tint color by default
ve.renderChainData.backgroundColorID = BMPAlloc.Invalid;
ve.renderChainData.borderLeftColorID = BMPAlloc.Invalid;
ve.renderChainData.borderTopColorID = BMPAlloc.Invalid;
ve.renderChainData.borderRightColorID = BMPAlloc.Invalid;
ve.renderChainData.borderBottomColorID = BMPAlloc.Invalid;
ve.renderChainData.tintColorID = BMPAlloc.Invalid;
ve.renderChainData.textCoreSettingsID = UIRVEShaderInfoAllocator.defaultTextCoreSettings;
ve.renderChainData.compositeOpacity = float.MaxValue; // Any unreasonable value will do to trip the opacity composer to work
UpdateLocalFlipsWinding(ve);
if (parent != null)
{
if ((parent.renderHints & (RenderHints.GroupTransform)) != 0)
{
ve.renderChainData.groupTransformAncestor = parent;
}
else
{
ve.renderChainData.groupTransformAncestor = parent.renderChainData.groupTransformAncestor;
}
ve.renderChainData.hierarchyDepth = parent.renderChainData.hierarchyDepth + 1;
}
else
{
ve.renderChainData.groupTransformAncestor = null;
ve.renderChainData.hierarchyDepth = 0;
}
renderChain.EnsureFitsDepth(ve.renderChainData.hierarchyDepth);
if (index > 0)
{
Debug.Assert(parent != null);
ve.renderChainData.prev = GetLastDeepestChild(parent.hierarchy[index - 1]);
}
else
{
ve.renderChainData.prev = parent;
}
ve.renderChainData.next = ve.renderChainData.prev != null ? ve.renderChainData.prev.renderChainData.next : null;
if (ve.renderChainData.prev != null)
{
ve.renderChainData.prev.renderChainData.next = ve;
}
if (ve.renderChainData.next != null)
{
ve.renderChainData.next.renderChainData.prev = ve;
}
// TransformID
// Since transform type is controlled by render hints which are locked on the VE by now, we can
// go ahead and prep transform data now and never check on it again under regular circumstances
Debug.Assert(!RenderChainVEData.AllocatesID(ve.renderChainData.transformID));
if (NeedsTransformID(ve))
{
ve.renderChainData.transformID = renderChain.shaderInfoAllocator.AllocTransform(); // May fail, that's ok
}
else
{
ve.renderChainData.transformID = BMPAlloc.Invalid;
}
ve.renderChainData.boneTransformAncestor = null;
if (NeedsColorID(ve))
{
InitColorIDs(renderChain, ve);
SetColorValues(renderChain, ve);
}
if (!RenderChainVEData.AllocatesID(ve.renderChainData.transformID))
{
if (parent != null && (ve.renderHints & RenderHints.GroupTransform) == 0)
{
if (RenderChainVEData.AllocatesID(parent.renderChainData.transformID))
{
ve.renderChainData.boneTransformAncestor = parent;
}
else
{
ve.renderChainData.boneTransformAncestor = parent.renderChainData.boneTransformAncestor;
}
ve.renderChainData.transformID = parent.renderChainData.transformID;
ve.renderChainData.transformID.ownedState = OwnedState.Inherited; // Mark this allocation as not owned by us (inherited)
}
else
{
ve.renderChainData.transformID = UIRVEShaderInfoAllocator.identityTransform;
}
}
else
{
renderChain.shaderInfoAllocator.SetTransformValue(ve.renderChainData.transformID, GetTransformIDTransformInfo(ve));
}
// Recurse on children
int childrenCount = ve.hierarchy.childCount;
uint deepCount = 0;
for (int i = 0; i < childrenCount; i++)
{
deepCount += DepthFirstOnChildAdded(renderChain, ve, ve.hierarchy[i], i, resetState);
}
return(1 + deepCount);
}