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https://github.com/tiennm99/fbird.git
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72 lines
3.2 KiB
JavaScript
Vendored
72 lines
3.2 KiB
JavaScript
Vendored
/****************************************************************************
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Copyright (c) 2013-2014 Chukong Technologies Inc.
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http://www.cocos2d-x.org
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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(function () {
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cc.ScrollView.WebGLRenderCmd = function (renderable) {
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this._layerCmdCtor(renderable);
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this._needDraw = false;
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this.startCmd = new cc.CustomRenderCmd(this, this._startCmd);
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this.endCmd = new cc.CustomRenderCmd(this, this._endCmd);
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};
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var proto = cc.ScrollView.WebGLRenderCmd.prototype = Object.create(cc.Layer.WebGLRenderCmd.prototype);
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proto.constructor = cc.ScrollView.WebGLRenderCmd;
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proto._startCmd = function () {
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var node = this._node;
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var EGLViewer = cc.view;
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var frame = node._getViewRect();
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if (EGLViewer.isScissorEnabled()) {
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node._scissorRestored = true;
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node._parentScissorRect = EGLViewer.getScissorRect();
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//set the intersection of m_tParentScissorRect and frame as the new scissor rect
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if (cc.rectIntersection(frame, node._parentScissorRect)) {
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var locPSRect = node._parentScissorRect;
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var x = Math.max(frame.x, locPSRect.x);
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var y = Math.max(frame.y, locPSRect.y);
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var xx = Math.min(frame.x + frame.width, locPSRect.x + locPSRect.width);
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var yy = Math.min(frame.y + frame.height, locPSRect.y + locPSRect.height);
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EGLViewer.setScissorInPoints(x, y, xx - x, yy - y);
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}
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} else {
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var ctx = cc._renderContext;
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ctx.enable(ctx.SCISSOR_TEST);
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//clip
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EGLViewer.setScissorInPoints(frame.x, frame.y, frame.width, frame.height);
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}
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};
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proto._endCmd = function () {
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var node = this._node;
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if (node._scissorRestored) { //restore the parent's scissor rect
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var rect = node._parentScissorRect;
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cc.view.setScissorInPoints(rect.x, rect.y, rect.width, rect.height);
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} else {
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var ctx = cc._renderContext;
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ctx.disable(ctx.SCISSOR_TEST);
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}
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};
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})();
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