/****************************************************************************
Copyright (c) 2010-2012 cocos2d-x.org
Copyright (c) 2013-2016 Chukong Technologies Inc.
Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
http://www.cocos2d-x.org
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
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furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
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****************************************************************************/
#pragma once
#include "base/ccConfig.h"
#include "platform/CCPlatformMacros.h"
#include "renderer/CCCustomCommand.h"
#include "renderer/CCCallbackCommand.h"
/**
* @addtogroup base
* @{
*/
NS_CC_BEGIN
class CC_DLL StencilStateManager
{
public:
StencilStateManager();
~StencilStateManager();
void onBeforeVisit(float globalZOrder);
void onAfterDrawStencil();
void onAfterVisit();
void setAlphaThreshold(GLfloat alphaThreshold);
void setInverted(bool inverted);
bool isInverted()const;
float getAlphaThreshold()const;
private:
CC_DISALLOW_COPY_AND_ASSIGN(StencilStateManager);
static int s_layer;
/**draw fullscreen quad to clear stencil bits
void drawFullScreenQuadClearStencil(float globalZOrder);
void onBeforeDrawQuadCmd(int maskLayer);
void onAfterDrawQuadCmd(int maskLayer);
float _alphaThreshold = 1.f;
bool _inverted = false;
bool _currentStencilEnabled = false;
unsigned int _currentStencilWriteMask = ~0;
backend::CompareFunction _currentStencilFunc = backend::CompareFunction::ALWAYS;
unsigned int _currentStencilRef = 0;
unsigned int _currentStencilReadMask = ~0;
backend::StencilOperation _currentStencilFail = backend::StencilOperation::KEEP;
backend::StencilOperation _currentStencilPassDepthFail = backend::StencilOperation::KEEP;
backend::StencilOperation _currentStencilPassDepthPass = backend::StencilOperation::KEEP;
bool _currentDepthWriteMask = true;
bool _currentAlphaTestEnabled = false;
// GLenum _currentAlphaTestFunc;
// GLclampf _currentAlphaTestRef;
unsigned int _mask_layer_le = 0;
CustomCommand _customCommand;
CallbackCommand _afterDrawStencilCmd;
CallbackCommand _afterVisitCmd;
backend::UniformLocation _mvpMatrixLocaiton;
backend::UniformLocation _colorUniformLocation;
backend::ProgramState* _programState = nullptr;
};
NS_CC_END
// end of base group
/** @} */