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);
}