axmol/cocos/platform/ios/CCGLViewImpl-ios.h

/****************************************************************************
 Copyright (c) 2010-2012 cocos2d-x.org
 Copyright (c) 2013-2016 Chukong Technologies Inc.
 Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.

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 of this software and associated documentation files (the "Software"), to deal
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 all copies or substantial portions of the Software.

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#pragma once

#include "base/CCRef.h"
#include "platform/CCCommon.h"
#include "platform/CCGLView.h"

NS_CC_BEGIN

/** Class that represent the OpenGL View
 */
class CC_DLL GLViewImpl : public GLView
{
public:
    /** creates a GLViewImpl with a objective-c CCEAGLViewImpl instance */
    static GLViewImpl* createWithEAGLView(void* eaGLView);

    /** creates a GLViewImpl with a title name in fullscreen mode */
    static GLViewImpl* create(std::string_view viewName);

    /** creates a GLViewImpl with a title name, a rect and the zoom factor */
    static GLViewImpl* createWithRect(std::string_view viewName, const Rect& rect, float frameZoomFactor = 1.0f);

    /** creates a GLViewImpl with a name in fullscreen mode */
    static GLViewImpl* createWithFullScreen(std::string_view viewName);

    static void convertAttrs();
    static void* _pixelFormat;
    static int _depthFormat;
    static int _multisamplingCount;

    /** sets the content scale factor */
    virtual bool setContentScaleFactor(float contentScaleFactor) override;

    /** returns the content scale factor */
    virtual float getContentScaleFactor() const override;

    /** returns whether or not the view is in Retina Display mode */
    virtual bool isRetinaDisplay() const override { return getContentScaleFactor() == 2.0; }

    /** returns the objective-c CCEAGLView instance */
    virtual void* getEAGLView() const override { return _eaglview; }

    // overrides
    virtual bool isOpenGLReady() override;
    virtual void end() override;
    virtual void swapBuffers() override;
    virtual void setIMEKeyboardState(bool bOpen) override;

    virtual Rect getSafeAreaRect() const override;

protected:
    GLViewImpl();
    virtual ~GLViewImpl();

    bool initWithEAGLView(void* eaGLView);
    bool initWithRect(std::string_view viewName, const Rect& rect, float frameZoomFactor);
    bool initWithFullScreen(std::string_view viewName);

    // the objective-c CCEAGLView instance
    void* _eaglview;
};

NS_CC_END