mirror of https://github.com/axmolengine/axmol.git
91 lines
3.2 KiB
C
91 lines
3.2 KiB
C
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/****************************************************************************
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Copyright (c) 2010-2012 cocos2d-x.org
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Copyright (c) 2013-2016 Chukong Technologies Inc.
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Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
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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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#pragma once
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#include "base/ccConfig.h"
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#include "platform/CCPlatformMacros.h"
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#include "renderer/CCCustomCommand.h"
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#include "renderer/CCCallbackCommand.h"
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/**
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* @addtogroup base
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* @{
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*/
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NS_CC_BEGIN
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class CC_DLL StencilStateManager
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{
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public:
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StencilStateManager();
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~StencilStateManager();
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void onBeforeVisit(float globalZOrder);
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void onAfterDrawStencil();
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void onAfterVisit();
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void setAlphaThreshold(float alphaThreshold);
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void setInverted(bool inverted);
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bool isInverted()const;
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float getAlphaThreshold()const;
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private:
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CC_DISALLOW_COPY_AND_ASSIGN(StencilStateManager);
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static int s_layer;
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/**draw fullscreen quad to clear stencil bits
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*/
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void drawFullScreenQuadClearStencil(float globalZOrder);
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void updateLayerMask();
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void onBeforeDrawQuadCmd();
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void onAfterDrawQuadCmd();
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float _alphaThreshold = 1.f;
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bool _inverted = false;
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bool _currentStencilEnabled = false;
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unsigned int _currentStencilWriteMask = ~0;
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backend::CompareFunction _currentStencilFunc = backend::CompareFunction::ALWAYS;
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unsigned int _currentStencilRef = 0;
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unsigned int _currentStencilReadMask = ~0;
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backend::StencilOperation _currentStencilFail = backend::StencilOperation::KEEP;
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backend::StencilOperation _currentStencilPassDepthFail = backend::StencilOperation::KEEP;
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backend::StencilOperation _currentStencilPassDepthPass = backend::StencilOperation::KEEP;
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bool _currentDepthWriteMask = true;
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unsigned int _mask_layer_le = 0;
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int _currentLayerMask = 0;
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CustomCommand _customCommand;
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CallbackCommand _afterDrawStencilCmd;
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CallbackCommand _afterVisitCmd;
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backend::UniformLocation _mvpMatrixLocaiton;
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backend::UniformLocation _colorUniformLocation;
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backend::ProgramState* _programState = nullptr;
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};
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NS_CC_END
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// end of base group
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/** @} */
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