RenderLayer _createMaskLayer(RenderLayer parentLayer, Rect maskBounds, Action <Paint> drawCallback, Paint paint)
{
var textureWidth = Mathf.CeilToInt((float)maskBounds.width * this._devicePixelRatio);
textureWidth = Mathf.Max(1, textureWidth);
var textureHeight = Mathf.CeilToInt((float)maskBounds.height * this._devicePixelRatio);
textureHeight = Mathf.Max(1, textureHeight);
var maskLayer = new RenderLayer {
rtID = Shader.PropertyToID("_rtID_" + this._layers.Count + "_" + parentLayer.layers.Count),
width = textureWidth,
height = textureHeight,
layerBounds = maskBounds,
};
parentLayer.layers.Add(maskLayer);
this._layers.Add(maskLayer);
var parentState = parentLayer.states.Last();
var maskState = maskLayer.states.Last();
maskState.matrix = parentState.matrix;
drawCallback(Paint.shapeOnly(paint));
var removed = this._layers.removeLast();
D.assert(removed == maskLayer);
return(maskLayer);
}
RenderLayer _createMaskLayer(RenderLayer parentLayer, Rect maskBounds, Action <Paint> drawCallback, Paint paint)
{
var textureWidth = Mathf.CeilToInt(maskBounds.width * this._devicePixelRatio);
if (textureWidth < 1)
{
textureWidth = 1;
}
var textureHeight = Mathf.CeilToInt(maskBounds.height * this._devicePixelRatio);
if (textureHeight < 1)
{
textureHeight = 1;
}
var maskLayer = new RenderLayer {
rtID = Shader.PropertyToID("_rtID_" + this._layers.Count + "_" + parentLayer.layers.Count),
width = textureWidth,
height = textureHeight,
layerBounds = maskBounds,
filterMode = FilterMode.Bilinear,
};
parentLayer.layers.Add(maskLayer);
this._layers.Add(maskLayer);
this._currentLayer = maskLayer;
var parentState = parentLayer.states[parentLayer.states.Count - 1];
var maskState = maskLayer.states[maskLayer.states.Count - 1];
maskState.matrix = parentState.matrix;
drawCallback(Paint.shapeOnly(paint));
var removed = this._layers.removeLast();
D.assert(removed == maskLayer);
this._currentLayer = this._layers[this._layers.Count - 1];
return(maskLayer);
}