public virtual void PerformClipping()
{
if (!object.ReferenceEquals(this.Canvas, null))
{
if (this.m_ShouldRecalculateClipRects)
{
MaskUtilities.GetRectMasksForClip(this, this.m_Clippers);
this.m_ShouldRecalculateClipRects = false;
}
bool flag = true;
Rect rect = Clipping.FindCullAndClipWorldRect(this.m_Clippers, out flag);
RenderMode renderMode = this.Canvas.rootCanvas.renderMode;
bool flag2 = (renderMode == RenderMode.ScreenSpaceCamera || renderMode == RenderMode.ScreenSpaceOverlay) && !rect.Overlaps(this.rootCanvasRect, true);
bool flag3 = rect != this.m_LastClipRectCanvasSpace;
bool forceClip = this.m_ForceClip;
foreach (IClippable clippable in this.m_ClipTargets)
{
if (flag3 || forceClip)
{
clippable.SetClipRect(rect, flag);
}
MaskableGraphic maskableGraphic = clippable as MaskableGraphic;
if (!(maskableGraphic != null) || maskableGraphic.canvasRenderer.hasMoved || flag3)
{
clippable.Cull((!flag2) ? rect : Rect.zero, !flag2 && flag);
}
}
this.m_LastClipRectCanvasSpace = rect;
this.m_ForceClip = false;
}
}
public virtual void PerformClipping()
{
if (m_ShouldRecalculateClipRects)
{
MaskUtilities.GetRectMasksForClip(this, m_Clippers);
m_ShouldRecalculateClipRects = false;
}
bool validRect = true;
Rect rect = Clipping.FindCullAndClipWorldRect(m_Clippers, out validRect);
bool flag = rect != m_LastClipRectCanvasSpace;
if (flag || m_ForceClip)
{
foreach (IClippable clipTarget in m_ClipTargets)
{
clipTarget.SetClipRect(rect, validRect);
}
m_LastClipRectCanvasSpace = rect;
m_LastValidClipRect = validRect;
}
foreach (IClippable clipTarget2 in m_ClipTargets)
{
MaskableGraphic maskableGraphic = clipTarget2 as MaskableGraphic;
if (!(maskableGraphic != null) || maskableGraphic.canvasRenderer.hasMoved || flag)
{
clipTarget2.Cull(m_LastClipRectCanvasSpace, m_LastValidClipRect);
}
}
}
static public int constructor(IntPtr l)
{
try {
#if DEBUG
var method = System.Reflection.MethodBase.GetCurrentMethod();
string methodName = GetMethodName(method);
#if UNITY_5_5_OR_NEWER
UnityEngine.Profiling.Profiler.BeginSample(methodName);
#else
Profiler.BeginSample(methodName);
#endif
#endif
UnityEngine.UI.MaskUtilities o;
o = new UnityEngine.UI.MaskUtilities();
pushValue(l, true);
pushValue(l, o);
return(2);
}
catch (Exception e) {
return(error(l, e));
}
#if DEBUG
finally {
#if UNITY_5_5_OR_NEWER
UnityEngine.Profiling.Profiler.EndSample();
#else
Profiler.EndSample();
#endif
}
#endif
}
public void PerformClipping()
{
if (m_ShouldRecalculateClipRects)
{
MaskUtilities.GetRectMaskForClip(this, m_Clippers);
m_ShouldRecalculateClipRects = false;
}
bool validRect = true;
Rect clipRect = Clipping.FindCullAndClipWorldRect(m_Clippers, out validRect);
bool clipRectChanged = clipRect != m_LastClipRectCanvasSpace;
if (clipRectChanged || m_ForceClip)
{
foreach (var clipTarget in m_ClipTargets)
{
clipTarget.SetClipRect(clipRect, validRect);
}
m_LastClipRectCanvasSpace = clipRect;
m_LastValidClipRect = validRect;
}
foreach (var clipTarget in m_ClipTargets)
{
var maskable = clipTarget as MaskableGraphic;
if (maskable != null && !maskable.canvasRenderer.hasMoved && !clipRectChanged)
{
continue;
}
clipTarget.Cull(m_LastClipRectCanvasSpace, m_LastValidClipRect);
}
}
protected override void OnDisable()
{
// we call base OnDisable first here
// as we need to have the IsActive return the
// correct value when we notify the children
// that the mask state has changed.
base.OnDisable();
if (graphic != null)
{
graphic.SetMaterialDirty();
graphic.canvasRenderer.hasPopInstruction = false;
graphic.canvasRenderer.popMaterialCount = 0;
if (graphic is MaskableGraphic)
{
(graphic as MaskableGraphic).isMaskingGraphic = false;
}
}
StencilMaterial.Remove(m_MaskMaterial);
m_MaskMaterial = null;
StencilMaterial.Remove(m_UnmaskMaterial);
m_UnmaskMaterial = null;
MaskUtilities.NotifyStencilStateChanged(this);
}
public static void GetRectMasksForClip(RectMask2D clipper, List <RectMask2D> masks)
{
masks.Clear();
List <Canvas> list = ListPool <Canvas> .Get();
List <RectMask2D> list2 = ListPool <RectMask2D> .Get();
clipper.transform.GetComponentsInParent <RectMask2D>(false, list2);
if (list2.Count > 0)
{
clipper.transform.GetComponentsInParent <Canvas>(false, list);
for (int i = list2.Count - 1; i >= 0; i--)
{
if (list2[i].IsActive())
{
bool flag = true;
for (int j = list.Count - 1; j >= 0; j--)
{
if (!MaskUtilities.IsDescendantOrSelf(list[j].transform, list2[i].transform) && list[j].overrideSorting)
{
flag = false;
break;
}
}
if (flag)
{
masks.Add(list2[i]);
}
}
}
}
ListPool <RectMask2D> .Release(list2);
ListPool <Canvas> .Release(list);
}
public virtual void PerformClipping()
{
//TODO See if an IsActive() test would work well here or whether it might cause unexpected side effects (re case 776771)
// if the parents are changed
// or something similar we
// do a recalculate here
if (m_ShouldRecalculateClipRects)
{
MaskUtilities.GetRectMasksForClip(this, m_Clippers);
m_ShouldRecalculateClipRects = false;
}
// get the compound rects from
// the clippers that are valid
bool validRect = true;
Rect clipRect = Clipping.FindCullAndClipWorldRect(m_Clippers, out validRect);
if (clipRect != m_LastClipRectCanvasSpace || m_ForceClip)
{
foreach (IClippable clipTarget in m_ClipTargets)
{
clipTarget.SetClipRect(clipRect, validRect);
}
m_LastClipRectCanvasSpace = clipRect;
m_LastValidClipRect = validRect;
}
foreach (IClippable clipTarget in m_ClipTargets)
{
clipTarget.Cull(m_LastClipRectCanvasSpace, m_LastValidClipRect);
}
}
/// <summary>
/// See IMaterialModifier.GetModifiedMaterial
/// </summary>
public virtual Material GetModifiedMaterial(Material baseMaterial)
{
var toUse = baseMaterial;
if (m_ShouldRecalculateStencil)
{
var rootCanvas = MaskUtilities.FindRootSortOverrideCanvas(transform);
m_StencilValue = maskable ? MaskUtilities.GetStencilDepth(transform, rootCanvas) : 0;
m_ShouldRecalculateStencil = false;
}
// if we have a enabled Mask component then it will
// generate the mask material. This is an optimisation
// it adds some coupling between components though :(
Mask maskComponent = GetComponent <Mask>();
if (m_StencilValue > 0 && (maskComponent == null || !maskComponent.IsActive()))
{
var maskMat = StencilMaterial.Add(toUse, (1 << m_StencilValue) - 1, StencilOp.Keep,
CompareFunction.Equal, ColorWriteMask.All, (1 << m_StencilValue) - 1, 0);
StencilMaterial.Remove(m_MaskMaterial);
m_MaskMaterial = maskMat;
toUse = m_MaskMaterial;
}
return(toUse);
}
/// <summary>
/// 进行裁剪
/// </summary>
public virtual void PerformClipping()
{
// if the parents are changed
// or something similar we
// do a recalculate here
//重新计算物体的裁剪组件
if (m_ShouldRecalculateClipRects)
{
MaskUtilities.GetRectMasksForClip(this, m_Clippers);
m_ShouldRecalculateClipRects = false;
}
// get the compound rects from
// the clippers that are valid
bool validRect = true;
Rect clipRect = Clipping.FindCullAndClipWorldRect(m_Clippers, out validRect);
if (clipRect != m_LastClipRectCanvasSpace)
{
for (int i = 0; i < m_ClipTargets.Count; ++i)
{
m_ClipTargets[i].SetClipRect(clipRect, validRect);
}
m_LastClipRectCanvasSpace = clipRect;
m_LastClipRectValid = validRect;
}
for (int i = 0; i < m_ClipTargets.Count; ++i)
{
m_ClipTargets[i].Cull(m_LastClipRectCanvasSpace, m_LastClipRectValid);
}
}
protected override void OnEnable()
{
base.OnEnable();
m_ShouldRecalculateClipRects = true;
ClipperRegistry.Register(this);
MaskUtilities.Notify2DMaskStateChanged(this);
}
public virtual void PerformClipping()
{
if (ReferenceEquals(Canvas, null))
{
return;
}
//TODO See if an IsActive() test would work well here or whether it might cause unexpected side effects (re case 776771)
// if the parents are changed
// or something similar we
// do a recalculate here
if (m_ShouldRecalculateClipRects)
{
MaskUtilities.GetRectMasksForClip(this, m_Clippers);
m_ShouldRecalculateClipRects = false;
}
// get the compound rects from
// the clippers that are valid
bool validRect = true;
Rect clipRect = Clipping.FindCullAndClipWorldRect(m_Clippers, out validRect);
// If the mask is in ScreenSpaceOverlay/Camera render mode, its content is only rendered when its rect
// overlaps that of the root canvas.
RenderMode renderMode = Canvas.rootCanvas.renderMode;
bool maskIsCulled =
(renderMode == RenderMode.ScreenSpaceCamera || renderMode == RenderMode.ScreenSpaceOverlay) &&
!clipRect.Overlaps(rootCanvasRect, true);
// 和上次裁剪的矩形比较是否改变
bool clipRectChanged = clipRect != m_LastClipRectCanvasSpace;
bool forceClip = m_ForceClip;
// Avoid looping multiple times.
foreach (IClippable clipTarget in m_ClipTargets)
{
if (clipRectChanged || forceClip)
{
//设置矩形裁剪框,若无效则禁用
clipTarget.SetClipRect(clipRect, validRect);
}
var maskable = clipTarget as MaskableGraphic;
if (maskable != null && !maskable.canvasRenderer.hasMoved && !clipRectChanged)
{
continue;
}
// Children are only displayed when inside the mask. If the mask is culled, then the children
// inside the mask are also culled. In that situation, we pass an invalid rect to allow callees
// to avoid some processing.
clipTarget.Cull(
maskIsCulled ? Rect.zero : clipRect,
maskIsCulled ? false : validRect);
}
m_LastClipRectCanvasSpace = clipRect;
m_ForceClip = false;
}
public virtual void PerformClipping()
{
if (this.m_ShouldRecalculateClipRects)
{
MaskUtilities.GetRectMasksForClip(this, this.m_Clippers);
this.m_ShouldRecalculateClipRects = false;
}
bool flag = true;
Rect rect = Clipping.FindCullAndClipWorldRect(this.m_Clippers, out flag);
bool flag2 = rect != this.m_LastClipRectCanvasSpace;
if (flag2 || this.m_ForceClip)
{
foreach (IClippable current in this.m_ClipTargets)
{
current.SetClipRect(rect, flag);
}
this.m_LastClipRectCanvasSpace = rect;
this.m_LastValidClipRect = flag;
}
foreach (IClippable current2 in this.m_ClipTargets)
{
MaskableGraphic maskableGraphic = current2 as MaskableGraphic;
if (!(maskableGraphic != null) || maskableGraphic.canvasRenderer.hasMoved || flag2)
{
current2.Cull(this.m_LastClipRectCanvasSpace, this.m_LastValidClipRect);
}
}
}
protected override void OnDisable()
{
base.OnDisable();
this.m_ClipTargets.Clear();
this.m_Clippers.Clear();
ClipperRegistry.Unregister(this);
MaskUtilities.Notify2DMaskStateChanged(this);
}
protected override void OnValidate()
{
base.OnValidate();
this.m_ShouldRecalculateClipRects = true;
if (this.IsActive())
{
MaskUtilities.Notify2DMaskStateChanged(this);
}
}
protected override void OnEnable()
{
base.OnEnable();
if (graphic != null)
{
graphic.SetMaterialDirty();
}
MaskUtilities.NotifyStencilStateChanged(this);
}
protected override void OnEnable()
{
base.OnEnable();
if ((UnityEngine.Object) this.graphic != (UnityEngine.Object)null)
{
this.graphic.canvasRenderer.hasPopInstruction = true;
this.graphic.SetMaterialDirty();
}
MaskUtilities.NotifyStencilStateChanged((Component)this);
}
protected override void OnEnable()
{
base.OnEnable();
if (this.graphic != null)
{
this.graphic.canvasRenderer.hasPopInstruction = true;
this.graphic.SetMaterialDirty();
}
MaskUtilities.NotifyStencilStateChanged(this);
}
protected override void OnValidate()
{
base.OnValidate();
this.m_ShouldRecalculateClipRects = true;
if (!this.IsActive())
{
return;
}
MaskUtilities.Notify2DMaskStateChanged((Component)this);
}
/// Stencil calculation time!
public virtual Material GetModifiedMaterial(Material baseMaterial)
{
if (!MaskEnabled())
{
return(baseMaterial);
}
var rootSortCanvas = MaskUtilities.FindRootSortOverrideCanvas(transform);
var stencilDepth = MaskUtilities.GetStencilDepth(transform, rootSortCanvas);
if (stencilDepth >= 8)
{
Debug.LogWarning("Attempting to use a stencil mask with depth > 8", gameObject);
return(baseMaterial);
}
int desiredStencilBit = 1 << stencilDepth;
// if we are at the first level...
// we want to destroy what is there
if (desiredStencilBit == 1)
{
var maskMaterial = StencilMaterial.Add(baseMaterial, 1, StencilOp.Replace, CompareFunction.Always, m_ShowMaskGraphic ? ColorWriteMask.All : 0);
StencilMaterial.Remove(m_MaskMaterial);
m_MaskMaterial = maskMaterial;
var unmaskMaterial = StencilMaterial.Add(baseMaterial, 1, StencilOp.Zero, CompareFunction.Always, 0);
StencilMaterial.Remove(m_UnmaskMaterial);
m_UnmaskMaterial = unmaskMaterial;
graphic.canvasRenderer.popMaterialCount = 1;
graphic.canvasRenderer.SetPopMaterial(m_UnmaskMaterial, 0);
return(m_MaskMaterial);
}
// 会产生两种材质，Mask自身使用maskMaterial，而非遮罩的材质会交给canvasRenderer。
//otherwise we need to be a bit smarter and set some read / write masks
// Mask用于遮罩的材质的模板值计算方法为desiredStencilBit | (desiredStencilBit - 1)，
// 这意味着模板深度为x的MaskableGraphic，与模板深度为x-1的Mask，有相同的模板值。
// 绘制Mask时会将模板值以replace的操作形式写入模板缓冲区，从而实现被遮罩图像的绘制。
var maskMaterial2 = StencilMaterial.Add(baseMaterial, desiredStencilBit | (desiredStencilBit - 1), StencilOp.Replace, CompareFunction.Equal, m_ShowMaskGraphic ? ColorWriteMask.All : 0, desiredStencilBit - 1, desiredStencilBit | (desiredStencilBit - 1));
StencilMaterial.Remove(m_MaskMaterial);
m_MaskMaterial = maskMaterial2;
graphic.canvasRenderer.hasPopInstruction = true;
var unmaskMaterial2 = StencilMaterial.Add(baseMaterial, desiredStencilBit - 1, StencilOp.Replace, CompareFunction.Equal, 0, desiredStencilBit - 1, desiredStencilBit | (desiredStencilBit - 1));
StencilMaterial.Remove(m_UnmaskMaterial);
m_UnmaskMaterial = unmaskMaterial2;
graphic.canvasRenderer.popMaterialCount = 1;
graphic.canvasRenderer.SetPopMaterial(m_UnmaskMaterial, 0);
return(m_MaskMaterial);
}
/// Stencil calculation time!
public virtual Material GetModifiedMaterial(Material baseMaterial)
{
if (!MaskEnabled())
{
return(baseMaterial);
}
var rootSortCanvas = MaskUtilities.FindRootSortOverrideCanvas(transform);
var stencilDepth = MaskUtilities.GetStencilDepth(transform, rootSortCanvas);
if (stencilDepth >= 8)
{
Debug.LogError("Attempting to use a stencil mask with depth > 8", gameObject);
return(baseMaterial);
}
int desiredStencilBit = 1 << stencilDepth;
// if we are at the first level...
// we want to destroy what is there
if (desiredStencilBit == 1)
{
var maskMaterial = StencilMaterial.Add(baseMaterial, 1, StencilOp.Replace, CompareFunction.Always,
m_ShowMaskGraphic ? ColorWriteMask.All : 0);
StencilMaterial.Remove(m_MaskMaterial);
m_MaskMaterial = maskMaterial;
var unmaskMaterial = StencilMaterial.Add(baseMaterial, 1, StencilOp.Zero, CompareFunction.Always, 0);
StencilMaterial.Remove(m_UnmaskMaterial);
m_UnmaskMaterial = unmaskMaterial;
graphic.canvasRenderer.popMaterialCount = 1;
graphic.canvasRenderer.SetPopMaterial(m_UnmaskMaterial, 0);
return(m_MaskMaterial);
}
//otherwise we need to be a bit smarter and set some read / write masks
var maskMaterial2 = StencilMaterial.Add(baseMaterial, desiredStencilBit | (desiredStencilBit - 1),
StencilOp.Replace, CompareFunction.Equal, m_ShowMaskGraphic ? ColorWriteMask.All : 0,
desiredStencilBit - 1, desiredStencilBit | (desiredStencilBit - 1));
StencilMaterial.Remove(m_MaskMaterial);
m_MaskMaterial = maskMaterial2;
graphic.canvasRenderer.hasPopInstruction = true;
var unmaskMaterial2 = StencilMaterial.Add(baseMaterial, desiredStencilBit - 1, StencilOp.Replace,
CompareFunction.Equal, 0, desiredStencilBit - 1, desiredStencilBit | (desiredStencilBit - 1));
StencilMaterial.Remove(m_UnmaskMaterial);
m_UnmaskMaterial = unmaskMaterial2;
graphic.canvasRenderer.popMaterialCount = 1;
graphic.canvasRenderer.SetPopMaterial(m_UnmaskMaterial, 0);
return(m_MaskMaterial);
}
public Material GetModifiedMaterial(Material baseMaterial)
{
if (!MaskEnabled())
{
return(baseMaterial);
}
var rootSortCanvas = MaskUtilities.FindRootSortOverrideCanvas(transform);
var stencilDepth = MaskUtilities.GetStencilDepth(transform, rootSortCanvas);
if (stencilDepth >= 8)
{
Debug.LogError("Attempting to use a stencil mask with depth > 8", gameObject);
return(baseMaterial);
}
int desiredStencilBit = 1 << stencilDepth;
if (desiredStencilBit == 1)
{
var maskMaterial = StencilMaterial.Add(baseMaterial, 1, StencilOp.Replace, CompareFunction.Always,
m_ShowMaskGraphic ? ColorWriteMask.All : 0);
StencilMaterial.Remove(m_MaskMaterial);
m_MaskMaterial = maskMaterial;
var unmaskMaterial = StencilMaterial.Add(baseMaterial, 1, StencilOp.Zero, CompareFunction.Always, 0);
StencilMaterial.Remove(m_UnmaskMaterial);
m_UnmaskMaterial = unmaskMaterial;
graphic.canvasRenderer.popMaterialCount = 1;
//todo 这里怎么理解？
graphic.canvasRenderer.SetPopMaterial(m_UnmaskMaterial, 0);
return(m_MaskMaterial);
}
//todo stencilID, write/read mask liuhao
var maskMaterial2 = StencilMaterial.Add(baseMaterial, desiredStencilBit | (desiredStencilBit - 1),
StencilOp.Replace,
CompareFunction.Equal, m_ShowMaskGraphic ? ColorWriteMask.All : 0, desiredStencilBit - 1,
desiredStencilBit | (desiredStencilBit - 1));
StencilMaterial.Remove(m_MaskMaterial);
m_MaskMaterial = maskMaterial2;
graphic.canvasRenderer.hasPopInstruction = true;
var unmaskMaterial2 = StencilMaterial.Add(baseMaterial, desiredStencilBit - 1, StencilOp.Replace,
CompareFunction.Equal,
0, desiredStencilBit - 1, desiredStencilBit | (desiredStencilBit - 1));
StencilMaterial.Remove(m_UnmaskMaterial);
m_UnmaskMaterial = unmaskMaterial2;
graphic.canvasRenderer.popMaterialCount = 1;
graphic.canvasRenderer.SetPopMaterial(m_UnmaskMaterial, 0);
return(m_MaskMaterial);
}
/// <summary>
/// See IMaterialModifier.GetModifiedMaterial
/// </summary>
public virtual Material GetModifiedMaterial(Material baseMaterial)
{
var toUse = baseMaterial;
if (m_ShouldRecalculateStencil)
{
var rootCanvas = MaskUtilities.FindRootSortOverrideCanvas(transform);
m_StencilValue = maskable ? MaskUtilities.GetStencilDepth(transform, rootCanvas) : 0;
m_ShouldRecalculateStencil = false;
}
// if we have a enabled Mask component then it will
// generate the mask material. This is an optimisation
// it adds some coupling between components though :(
// StencilMaterial.Add(...)方法向传入的材质添加了一些模板信息（即后边的一长串参数），
// 返回设置好了模板参数的新的材质（StencilMaterial内部做了一些优化，
// 对于相同的模板参数会共用同一个材质对象）这个m_StencilValue通过一个简单的变换1 << m_StencilValue) - 1得到一个新的整数值，
// 这个值在后续的使用中称为stencilID，在StencilMaterial.Add(...)中我们看到有以下代码：
/*newEnt.customMat.SetInt("_Stencil", stencilID);
* newEnt.customMat.SetInt("_StencilOp", (int)operation);
* newEnt.customMat.SetInt("_StencilComp", (int)compareFunction);
* newEnt.customMat.SetInt("_StencilReadMask", readMask);
* newEnt.customMat.SetInt("_StencilWriteMask", writeMask);
* newEnt.customMat.SetInt("_ColorMask", (int)colorWriteMask);
* 对应的，在UI默认的shader中有：
* Stencil
* {
* Ref [_Stencil]
* Comp [_StencilComp]
* Pass [_StencilOp]
* ReadMask [_StencilReadMask]
* WriteMask [_StencilWriteMask]
* }
*
* ColorMask [_ColorMask]*/
Mask maskComponent = GetComponent <Mask>();
if (m_StencilValue > 0 && (maskComponent == null || !maskComponent.IsActive()))
{
var maskMat = StencilMaterial.Add(toUse,
(1 << m_StencilValue) - 1,
StencilOp.Keep,
CompareFunction.Equal,
ColorWriteMask.All,
(1 << m_StencilValue) - 1,
0);
StencilMaterial.Remove(m_MaskMaterial);
m_MaskMaterial = maskMat;
toUse = m_MaskMaterial;
}
return(toUse);
}
protected override void OnEnable()
{
base.OnEnable();
this.m_ShouldRecalculateStencil = true;
this.UpdateClipParent();
this.SetMaterialDirty();
if (base.GetComponent <Mask>() != null)
{
MaskUtilities.NotifyStencilStateChanged(this);
}
}
protected override void OnValidate()
{
base.OnValidate();
if (this.IsActive())
{
if (this.graphic != null)
{
this.graphic.SetMaterialDirty();
}
MaskUtilities.NotifyStencilStateChanged(this);
}
}
protected override void OnDisable()
{
// we call base OnDisable first here
// as we need to have the IsActive return the
// correct value when we notify the children
// that the mask state has changed.
base.OnDisable();
m_ClipTargets.Clear();
m_Clippers.Clear();
ClipperRegistry.Unregister(this);
MaskUtilities.Notify2DMaskStateChanged(this);
}
protected override void OnEnable()
{
base.OnEnable();
m_ShouldRecalculateStencil = true;
UpdateClipParent();
SetMaterialDirty();
if (isMaskingGraphic)
{
MaskUtilities.NotifyStencilStateChanged(this);
}
}
static public int constructor(IntPtr l)
{
try {
UnityEngine.UI.MaskUtilities o;
o = new UnityEngine.UI.MaskUtilities();
pushValue(l, o);
return(1);
}
catch (Exception e) {
return(error(l, e));
}
}
protected override void OnEnable()
{
base.OnEnable();
this.m_ShouldRecalculateStencil = true;
this.UpdateClipParent();
this.SetMaterialDirty();
if (!((UnityEngine.Object) this.GetComponent <Mask>() != (UnityEngine.Object)null))
{
return;
}
MaskUtilities.NotifyStencilStateChanged((Component)this);
}
protected override void OnValidate()
{
base.OnValidate();
if (!this.IsActive())
{
return;
}
if ((UnityEngine.Object) this.graphic != (UnityEngine.Object)null)
{
this.graphic.SetMaterialDirty();
}
MaskUtilities.NotifyStencilStateChanged((Component)this);
}
public static int constructor(IntPtr l)
{
try {
UnityEngine.UI.MaskUtilities o;
o=new UnityEngine.UI.MaskUtilities();
pushValue(l,true);
pushValue(l,o);
return 2;
}
catch(Exception e) {
return error(l,e);
}
}
protected override void OnDisable()
{
base.OnDisable();
m_ShouldRecalculateStencil = true;
SetMaterialDirty();
UpdateClipParent();
StencilMaterial.Remove(m_MaskMaterial);
m_MaskMaterial = null;
if (GetComponent <Mask>() != null)
{
MaskUtilities.NotifyStencilStateChanged(this);
}
}
