axmol/tests/cpp-tests/Classes/RenderTextureTest/RenderTextureTest.cpp

/****************************************************************************
 Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.

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#include "RenderTextureTest.h"

USING_NS_CC;
using namespace cocos2d::ui;

RenderTextureTests::RenderTextureTests()
{
    ADD_TEST_CASE(RenderTextureSave);
    ADD_TEST_CASE(RenderTextureIssue937);
    ADD_TEST_CASE(RenderTextureZbuffer);
    ADD_TEST_CASE(RenderTextureTestDepthStencil);
    ADD_TEST_CASE(RenderTextureTargetNode);
    ADD_TEST_CASE(SpriteRenderTextureBug);
    ADD_TEST_CASE(RenderTexturePartTest);
    ADD_TEST_CASE(Issue16113Test);
    //    ADD_TEST_CASE(RenderTextureWithSprite3DIssue16894); this Test makes no sense
};

/**
 * Implementation of RenderTextureSave
 */
RenderTextureSave::RenderTextureSave()
{
    auto s = Director::getInstance()->getWinSize();

    // create a render texture, this is what we are going to draw into
    _target = RenderTexture::create(s.width, s.height, backend::PixelFormat::RGBA8);
    _target->retain();
    _target->setPosition(Vec2(s.width / 2, s.height / 2));

    // note that the render texture is a Node, and contains a sprite of its texture for convenience,
    // so we can just parent it to the scene like any other Node
    this->addChild(_target, -1);

    auto listener            = EventListenerTouchAllAtOnce::create();
    listener->onTouchesMoved = CC_CALLBACK_2(RenderTextureSave::onTouchesMoved, this);
    _eventDispatcher->addEventListenerWithSceneGraphPriority(listener, this);

    // Save Image menu
    MenuItemFont::setFontSize(16);
    auto item1 =
        MenuItemFont::create("Save Image PMA", CC_CALLBACK_1(RenderTextureSave::saveImageWithPremultipliedAlpha, this));
    auto item2 = MenuItemFont::create("Save Image Non-PMA",
                                      CC_CALLBACK_1(RenderTextureSave::saveImageWithNonPremultipliedAlpha, this));
    auto item3 = MenuItemFont::create("Add Image", CC_CALLBACK_1(RenderTextureSave::addImage, this));
    auto item4 = MenuItemFont::create("Clear to Random", CC_CALLBACK_1(RenderTextureSave::clearImage, this));
    auto item5 =
        MenuItemFont::create("Clear to Transparent", CC_CALLBACK_1(RenderTextureSave::clearImageTransparent, this));
    auto menu = Menu::create(item1, item2, item3, item4, item5, nullptr);
    this->addChild(menu);
    menu->alignItemsVertically();
    menu->setPosition(Vec2(VisibleRect::rightTop().x - 80, VisibleRect::rightTop().y - 100));
}

std::string RenderTextureSave::title() const
{
    return "Touch the screen";
}

std::string RenderTextureSave::subtitle() const
{
    return "Press 'Save Image' to create an snapshot of the render texture";
}

void RenderTextureSave::clearImage(cocos2d::Ref* sender)
{
    _target->clear(CCRANDOM_0_1(), CCRANDOM_0_1(), CCRANDOM_0_1(), CCRANDOM_0_1());
}

void RenderTextureSave::clearImageTransparent(cocos2d::Ref* sender)
{
    _target->clear(0, 0, 0, 0);
}

void RenderTextureSave::saveImageWithPremultipliedAlpha(cocos2d::Ref* sender)
{
    static int counter = 0;

    char png[20];
    sprintf(png, "image-pma-%d.png", counter);

    auto callback = [&](RenderTexture* rt, std::string_view path) {
        auto sprite = Sprite::create(path);
        addChild(sprite);
        sprite->setScale(0.3f);
        sprite->setPosition(Vec2(40.0f, 40.0f));
        sprite->setRotation(counter * 3);
        _target->release();
    };

    _target->retain();
    _target->saveToFile(png, Image::Format::PNG, true, callback);
    // Add this function to avoid crash if we switch to a new scene.
    Director::getInstance()->getRenderer()->render();
    CCLOG("Image saved %s", png);

    counter++;
}

void RenderTextureSave::saveImageWithNonPremultipliedAlpha(cocos2d::Ref* sender)
{
    static int counter = 0;

    char png[20];
    sprintf(png, "image-no-pma-%d.png", counter);

    auto callback = [&](RenderTexture* rt, std::string_view path) {
        auto sprite = Sprite::create(path);
        addChild(sprite);
        sprite->setScale(0.3f);
        sprite->setPosition(Vec2(40.0f, 40.0f));
        sprite->setRotation(counter * 3);
        rt->release();
    };

    _target->retain();
    _target->saveToFileAsNonPMA(png, Image::Format::PNG, true, callback);

    // Add this function to avoid crash if we switch to a new scene.
    Director::getInstance()->getRenderer()->render();
    CCLOG("Image saved %s", png);

    counter++;
}

void RenderTextureSave::addImage(cocos2d::Ref* sender)
{
    auto s = Director::getInstance()->getWinSize();

    // begin drawing to the render texture
    _target->begin();

    Sprite* sprite = Sprite::create("Images/test-rgba1.png");
    sprite->setPosition(
        sprite->getContentSize().width + CCRANDOM_0_1() * (s.width - sprite->getContentSize().width),
        sprite->getContentSize().height + CCRANDOM_0_1() * (s.height - sprite->getContentSize().height));
    sprite->visit();

    // finish drawing and return context back to the screen
    _target->end();
}

RenderTextureSave::~RenderTextureSave()
{
    _target->release();
    Director::getInstance()->getTextureCache()->removeUnusedTextures();
}

void RenderTextureSave::onTouchesMoved(const std::vector<Touch*>& touches, Event* event)
{
    auto touch = touches[0];
    auto start = touch->getLocation();
    auto end   = touch->getPreviousLocation();

    // begin drawing to the render texture
    _target->begin();

    // for extra points, we'll draw this smoothly from the last position and vary the sprite's
    // scale/rotation/offset
    float distance = start.getDistance(end);
    if (distance > 1)
    {
        int d = (int)distance;
        _brushs.clear();
        for (int i = 0; i < d; ++i)
        {
            Sprite* sprite = Sprite::create("Images/fire.png");
            sprite->setColor(Color3B::RED);
            sprite->setOpacity(20);
            _brushs.pushBack(sprite);
        }
        for (int i = 0; i < d; i++)
        {
            float difx  = end.x - start.x;
            float dify  = end.y - start.y;
            float delta = (float)i / distance;
            _brushs.at(i)->setPosition(Vec2(start.x + (difx * delta), start.y + (dify * delta)));
            _brushs.at(i)->setRotation(rand() % 360);
            float r = (float)(rand() % 50 / 50.f) + 0.25f;
            _brushs.at(i)->setScale(r);
            /*_brush->setColor(Color3B(CCRANDOM_0_1() * 127 + 128, 255, 255));*/
            // Use CCRANDOM_0_1() will cause error when loading libtests.so on android, I don't know why.
            _brushs.at(i)->setColor(Color3B(rand() % 127 + 128, 255, 255));
            // Call visit to draw the brush, don't call draw..
            _brushs.at(i)->visit();
        }
    }

    // finish drawing and return context back to the screen
    _target->end();
}

/**
 * Implementation of RenderTextureIssue937
 */

RenderTextureIssue937::RenderTextureIssue937()
{
    /*
     *     1    2
     * A: A1   A2
     *
     * B: B1   B2
     *
     *  A1: premulti sprite
     *  A2: premulti render
     *
     *  B1: non-premulti sprite
     *  B2: non-premulti render
     */
    auto background = LayerColor::create(Color4B(200, 200, 200, 255));
    addChild(background);

    auto s            = Director::getInstance()->getWinSize();
    auto spr_premulti = Sprite::create("Images/fire.png");
    spr_premulti->setPosition(Vec2(s.width / 2 - 16, s.height / 2 + 16));

    auto spr_nonpremulti = Sprite::create("Images/fire.png");
    spr_nonpremulti->setPosition(Vec2(s.width / 2 - 16, s.height / 2 - 16));

    /* A2 & B2 setup */
    auto rend = RenderTexture::create(32, 64, backend::PixelFormat::RGBA8);

    if (nullptr == rend)
    {
        return;
    }

    auto spr_size = spr_premulti->getContentSize();
    rend->setKeepMatrix(true);
    Size pixelSize = Director::getInstance()->getWinSizeInPixels();
    rend->setVirtualViewport(Vec2(s.width / 2 - 32, s.height / 2 - 32), Rect(0, 0, s.width, s.height),
                             Rect(0, 0, pixelSize.width, pixelSize.height));

    // It's possible to modify the RenderTexture blending function by
    //        [[rend sprite] setBlendFunc:(BlendFunc) {BlendFactor::ONE, BlendFactor::ONE_MINUS_SRC_ALPHA}];
    rend->begin();
    spr_premulti->visit();
    spr_nonpremulti->visit();
    rend->end();

    rend->setPosition(Vec2(s.width / 2 + 16, s.height / 2));

    addChild(spr_nonpremulti);
    addChild(spr_premulti);
    addChild(rend);
}

std::string RenderTextureIssue937::title() const
{
    return "Testing issue #937";
}

std::string RenderTextureIssue937::subtitle() const
{
    return "All images should be equal...";
}

/**
 * Implementation of RenderTextureZbuffer
 */

RenderTextureZbuffer::RenderTextureZbuffer()
{
    auto listener            = EventListenerTouchAllAtOnce::create();
    listener->onTouchesBegan = CC_CALLBACK_2(RenderTextureZbuffer::onTouchesBegan, this);
    listener->onTouchesMoved = CC_CALLBACK_2(RenderTextureZbuffer::onTouchesMoved, this);
    listener->onTouchesEnded = CC_CALLBACK_2(RenderTextureZbuffer::onTouchesEnded, this);
    _eventDispatcher->addEventListenerWithSceneGraphPriority(listener, this);

    auto size  = Director::getInstance()->getWinSize();
    auto label = Label::createWithTTF("vertexZ = 50", "fonts/Marker Felt.ttf", 64);
    label->setPosition(Vec2(size.width / 2, size.height * 0.25f));
    this->addChild(label);

    auto label2 = Label::createWithTTF("vertexZ = 0", "fonts/Marker Felt.ttf", 64);
    label2->setPosition(Vec2(size.width / 2, size.height * 0.5f));
    this->addChild(label2);

    auto label3 = Label::createWithTTF("vertexZ = -50", "fonts/Marker Felt.ttf", 64);
    label3->setPosition(Vec2(size.width / 2, size.height * 0.75f));
    this->addChild(label3);

    label->setPositionZ(50);
    label2->setPositionZ(0);
    label3->setPositionZ(-50);

    SpriteFrameCache::getInstance()->addSpriteFramesWithFile("Images/bugs/circle.plist");
    mgr = SpriteBatchNode::create("Images/bugs/circle.png", 9);
    this->addChild(mgr);
    sp1 = Sprite::createWithSpriteFrameName("circle.png");
    sp2 = Sprite::createWithSpriteFrameName("circle.png");
    sp3 = Sprite::createWithSpriteFrameName("circle.png");
    sp4 = Sprite::createWithSpriteFrameName("circle.png");
    sp5 = Sprite::createWithSpriteFrameName("circle.png");
    sp6 = Sprite::createWithSpriteFrameName("circle.png");
    sp7 = Sprite::createWithSpriteFrameName("circle.png");
    sp8 = Sprite::createWithSpriteFrameName("circle.png");
    sp9 = Sprite::createWithSpriteFrameName("circle.png");

    mgr->addChild(sp1, 9);
    mgr->addChild(sp2, 8);
    mgr->addChild(sp3, 7);
    mgr->addChild(sp4, 6);
    mgr->addChild(sp5, 5);
    mgr->addChild(sp6, 4);
    mgr->addChild(sp7, 3);
    mgr->addChild(sp8, 2);
    mgr->addChild(sp9, 1);

    sp1->setPositionZ(400);
    sp2->setPositionZ(300);
    sp3->setPositionZ(200);
    sp4->setPositionZ(100);
    sp5->setPositionZ(0);
    sp6->setPositionZ(-100);
    sp7->setPositionZ(-200);
    sp8->setPositionZ(-300);
    sp9->setPositionZ(-400);

    sp9->setScale(2);
    sp9->setColor(Color3B::YELLOW);
}

std::string RenderTextureZbuffer::title() const
{
    return "Testing Z Buffer in Render Texture";
}

std::string RenderTextureZbuffer::subtitle() const
{
    return "Touch screen. It should be green";
}

void RenderTextureZbuffer::onTouchesBegan(const std::vector<Touch*>& touches, Event* event)
{

    for (auto& item : touches)
    {
        auto touch    = static_cast<Touch*>(item);
        auto location = touch->getLocation();

        sp1->setPosition(location);
        sp2->setPosition(location);
        sp3->setPosition(location);
        sp4->setPosition(location);
        sp5->setPosition(location);
        sp6->setPosition(location);
        sp7->setPosition(location);
        sp8->setPosition(location);
        sp9->setPosition(location);
    }
}

void RenderTextureZbuffer::onTouchesMoved(const std::vector<Touch*>& touches, Event* event)
{
    for (auto& item : touches)
    {
        auto touch    = static_cast<Touch*>(item);
        auto location = touch->getLocation();

        sp1->setPosition(location);
        sp2->setPosition(location);
        sp3->setPosition(location);
        sp4->setPosition(location);
        sp5->setPosition(location);
        sp6->setPosition(location);
        sp7->setPosition(location);
        sp8->setPosition(location);
        sp9->setPosition(location);
    }
}

void RenderTextureZbuffer::onTouchesEnded(const std::vector<Touch*>& touches, Event* event)
{
    this->renderScreenShot();
}

void RenderTextureZbuffer::renderScreenShot()
{
    auto texture = RenderTexture::create(512, 512);
    if (nullptr == texture)
    {
        return;
    }

    texture->begin();

    this->visit();

    texture->end();

    auto sprite = Sprite::createWithTexture(texture->getSprite()->getTexture());

    sprite->setPosition(Vec2(256, 256));
    sprite->setOpacity(182);
    sprite->setFlippedY(1);
    this->addChild(sprite, 999999);
    sprite->setColor(Color3B::GREEN);

    sprite->runAction(Sequence::create(FadeTo::create(2, 0), Hide::create(), nullptr));
}

RenderTexturePartTest::RenderTexturePartTest()
{
    auto sprite1     = Sprite::create("Images/grossini.png");
    auto sprite11    = Sprite::create("Images/grossini.png");
    auto sprite2     = Sprite::create("Images/grossinis_sister1.png");
    auto sprite22    = Sprite::create("Images/grossinis_sister1.png");
    Size size        = Director::getInstance()->getWinSize();
    Size sprite1Size = sprite1->getContentSize();
    sprite1->setPosition((size.width - sprite1Size.width) / 2 - 20, (size.height - sprite1Size.height) / 2 - 20);
    sprite11->setPosition(size.width / 2 + 20, (size.height - sprite1Size.height) / 2 - 20);

    sprite2->setPosition((size.width - sprite1Size.width) / 2 - 20, size.height / 2 + 20);
    sprite22->setPosition(size.width / 2 + 20, size.height / 2 + 20);

    addChild(sprite1);
    addChild(sprite11);
    addChild(sprite2);
    addChild(sprite22);

    _rend = RenderTexture::create(200, 200, backend::PixelFormat::RGBA8);
    _rend->retain();
    _rend->setKeepMatrix(true);
    Size pixelSize = Director::getInstance()->getWinSizeInPixels();
    _rend->setVirtualViewport(Vec2(size.width / 2 - 150, size.height / 2 - 150), Rect(0, 0, size.width, size.height),
                              Rect(0, 0, pixelSize.width, pixelSize.height));

    _rend->beginWithClear(1, 0, 0, 1);
    sprite1->visit();
    sprite11->visit();
    sprite2->visit();
    sprite22->visit();
    _rend->end();

    _spriteDraw                  = Sprite::createWithTexture(_rend->getSprite()->getTexture());
    FiniteTimeAction* baseAction = MoveBy::create(1, Vec2(size.width, 0.0f));
    _spriteDraw->setPosition(0, size.height / 2);
    _spriteDraw->setScaleY(-1);
    _spriteDraw->runAction(RepeatForever::create(Sequence::create(baseAction, baseAction->reverse(), nullptr)));
    addChild(_spriteDraw);
}

RenderTexturePartTest::~RenderTexturePartTest()
{
    CC_SAFE_RELEASE(_rend);
}

std::string RenderTexturePartTest::title() const
{
    return "Render Texture Part Test";
}

std::string RenderTexturePartTest::subtitle() const
{
    return "Only Grabbing a sub region of fullscreen";
}

// RenderTextureTestDepthStencil

RenderTextureTestDepthStencil::RenderTextureTestDepthStencil()
{
    auto s = _director->getWinSize();

    _renderer = _director->getRenderer();

    /// store old depth stencil desc
    _dsDesc = _renderer->getDepthStencilDesc();

    _spriteDS = Sprite::create("Images/fire.png");
    _spriteDS->retain();
    _spriteDS->setPosition(Vec2(s.width * 0.25f, 0.0f));
    _spriteDS->setScale(10);

    _spriteDraw = Sprite::create("Images/fire.png");
    _spriteDraw->retain();
    _spriteDraw->setPosition(Vec2(s.width * 0.25f, 0.0f));
    _spriteDraw->setScale(10);
    //! move sprite half width and height, and draw only where not marked
    _spriteDraw->setPosition(_spriteDraw->getPosition() +
                             Vec2(_spriteDraw->getContentSize().width * _spriteDraw->getScale() * 0.5f,
                                  _spriteDraw->getContentSize().height * _spriteDraw->getScale() * 0.5f));

    _rtx = RenderTexture::create(s.width, s.height, backend::PixelFormat::RGBA4, PixelFormat::D24S8);

    _rtx->setPosition(Vec2(s.width * 0.5f, s.height * 0.5f));

    this->addChild(_rtx);
}

RenderTextureTestDepthStencil::~RenderTextureTestDepthStencil()
{
    CC_SAFE_RELEASE(_spriteDraw);
    CC_SAFE_RELEASE(_spriteDS);

    // restore depth stencil desc
    _renderer->setDepthStencilDesc(_dsDesc);
    _renderer->setStencilTest(bitmask::any(_dsDesc.flags, DepthStencilFlags::STENCIL_TEST));
}

void RenderTextureTestDepthStencil::draw(Renderer* renderer, const Mat4& transform, uint32_t flags)
{
    _rtx->beginWithClear(0, 0, 0, 0, 0, 0);

//    _renderCmds[0].init(_globalZOrder);
//    _renderCmds[0].func = CC_CALLBACK_0(RenderTextureTestDepthStencil::onBeforeClear, this);
    renderer->addCallbackCommand(CC_CALLBACK_0(RenderTextureTestDepthStencil::onBeforeClear, this), _globalZOrder);

//    _renderCmds[1].init(_globalZOrder);
//    _renderCmds[1].func = CC_CALLBACK_0(RenderTextureTestDepthStencil::onBeforeStencil, this);
    renderer->addCallbackCommand(CC_CALLBACK_0(RenderTextureTestDepthStencil::onBeforeStencil, this), _globalZOrder);

    _spriteDS->visit();

//    _renderCmds[2].init(_globalZOrder);
//    _renderCmds[2].func = CC_CALLBACK_0(RenderTextureTestDepthStencil::onBeforeDraw, this);
    renderer->addCallbackCommand(CC_CALLBACK_0(RenderTextureTestDepthStencil::onBeforeDraw, this), _globalZOrder);

    _spriteDraw->visit();

//    _renderCmds[3].init(_globalZOrder);
//    _renderCmds[3].func = CC_CALLBACK_0(RenderTextureTestDepthStencil::onAfterDraw, this);
    renderer->addCallbackCommand(CC_CALLBACK_0(RenderTextureTestDepthStencil::onAfterDraw, this), _globalZOrder);

    /// !!!end will set current render target to default renderTarget
    /// !!!all render target share one depthStencilDesc, TODO: optimize me?
    _rtx->end();
}

void RenderTextureTestDepthStencil::onBeforeClear()
{
    _renderer->setStencilWriteMask(0xFF);
}

void RenderTextureTestDepthStencil::onBeforeStencil()
{
    //! mark sprite quad into stencil buffer
    _renderer->setStencilTest(true);
    _renderer->setStencilCompareFunction(backend::CompareFunction::NEVER, 1, 0xFF);
    _renderer->setStencilOperation(backend::StencilOperation::REPLACE, backend::StencilOperation::REPLACE,
                                   backend::StencilOperation::REPLACE);
}

void RenderTextureTestDepthStencil::onBeforeDraw()
{
    _renderer->setStencilCompareFunction(backend::CompareFunction::NOT_EQUAL, 1, 0xFF);
}

void RenderTextureTestDepthStencil::onAfterDraw()
{
    _renderer->setStencilTest(false);
}

std::string RenderTextureTestDepthStencil::title() const
{
    return "Testing depthStencil attachment";
}

std::string RenderTextureTestDepthStencil::subtitle() const
{
    return "Circle should be missing 1/4 of its region";
}

// RenderTextureTest
RenderTextureTargetNode::RenderTextureTargetNode()
{
    /*
     *     1    2
     * A: A1   A2
     *
     * B: B1   B2
     *
     *  A1: premulti sprite
     *  A2: premulti render
     *
     *  B1: non-premulti sprite
     *  B2: non-premulti render
     */
    auto background = LayerColor::create(Color4B(40, 40, 40, 255));
    addChild(background);

    // sprite 1
    sprite1 = Sprite::create("Images/fire.png");

    // sprite 2
    sprite2 = Sprite::create("Images/fire_rgba8888.pvr");

    auto s = Director::getInstance()->getWinSize();

    /* Create the render texture */
    auto renderTexture  = RenderTexture::create(s.width, s.height, backend::PixelFormat::RGBA4);
    this->renderTexture = renderTexture;

    renderTexture->setPosition(Vec2(s.width / 2, s.height / 2));
    // renderTexture->setScale(2.0f);

    /* add the sprites to the render texture */
    renderTexture->addChild(sprite1);
    renderTexture->addChild(sprite2);
    renderTexture->setClearColor(Color4F(0, 0, 0, 0));
    renderTexture->setClearFlags(ClearFlag::COLOR);

    /* add the render texture to the scene */
    addChild(renderTexture);

    renderTexture->setAutoDraw(true);

    scheduleUpdate();

    // Toggle clear on / off
    auto item = MenuItemFont::create("Clear On/Off", CC_CALLBACK_1(RenderTextureTargetNode::touched, this));
    auto menu = Menu::create(item, nullptr);
    addChild(menu);

    menu->setPosition(Vec2(s.width / 2, s.height / 2));
}

void RenderTextureTargetNode::touched(Ref* sender)
{
    // TODO: minggo
    if (renderTexture->getClearFlags() == ClearFlag::NONE)
    {
        renderTexture->setClearFlags(ClearFlag::COLOR);
    }
    else
    {
        renderTexture->setClearFlags(ClearFlag::NONE);
        renderTexture->setClearColor(Color4F(CCRANDOM_0_1(), CCRANDOM_0_1(), CCRANDOM_0_1(), 1));
    }
}

void RenderTextureTargetNode::update(float dt)
{
    static float time = 0;
    float r           = 80;
    sprite1->setPosition(Vec2(cosf(time * 2) * r, sinf(time * 2) * r));
    sprite2->setPosition(Vec2(sinf(time * 2) * r, cosf(time * 2) * r));

    time += dt;
}

std::string RenderTextureTargetNode::title() const
{
    return "Testing Render Target Node";
}

std::string RenderTextureTargetNode::subtitle() const
{
    return "Sprites should be equal and move with each frame";
}

// SpriteRenderTextureBug

SpriteRenderTextureBug::SimpleSprite::SimpleSprite() : _rt(nullptr) {}
SpriteRenderTextureBug::SimpleSprite::~SimpleSprite()
{
    CC_SAFE_RELEASE(_rt);
}

SpriteRenderTextureBug::SimpleSprite* SpriteRenderTextureBug::SimpleSprite::create(const char* filename,
                                                                                   const Rect& rect)
{
    auto sprite = new SimpleSprite();
    if (sprite->initWithFile(filename, rect))
    {
        sprite->autorelease();
    }
    else
    {
        CC_SAFE_DELETE(sprite);
    }

    return sprite;
}

void SpriteRenderTextureBug::SimpleSprite::draw(Renderer* renderer, const Mat4& transform, uint32_t flags)
{
    if (_rt == nullptr)
    {
        auto s = Director::getInstance()->getWinSize();
        _rt    = RenderTexture::create(s.width, s.height, backend::PixelFormat::RGBA8);
        _rt->retain();
    }
    _rt->beginWithClear(0.0f, 0.0f, 0.0f, 1.0f);
    _rt->end();

    Sprite::draw(renderer, transform, flags);
}

SpriteRenderTextureBug::SpriteRenderTextureBug()
{
    auto listener            = EventListenerTouchAllAtOnce::create();
    listener->onTouchesEnded = CC_CALLBACK_2(SpriteRenderTextureBug::onTouchesEnded, this);
    _eventDispatcher->addEventListenerWithSceneGraphPriority(listener, this);

    auto s = Director::getInstance()->getWinSize();
    addNewSpriteWithCoords(Vec2(s.width / 2, s.height / 2));
}

SpriteRenderTextureBug::SimpleSprite* SpriteRenderTextureBug::addNewSpriteWithCoords(const Vec2& p)
{
    int idx = CCRANDOM_0_1() * 1400 / 100;
    int x   = (idx % 5) * 85;
    int y   = (idx / 5) * 121;

    auto sprite = SpriteRenderTextureBug::SimpleSprite::create("Images/grossini_dance_atlas.png", Rect(x, y, 85, 121));
    addChild(sprite);

    sprite->setPosition(p);

    FiniteTimeAction* action = nullptr;
    float rd                 = CCRANDOM_0_1();

    if (rd < 0.20)
        action = ScaleBy::create(3, 2);
    else if (rd < 0.40)
        action = RotateBy::create(3, 360);
    else if (rd < 0.60)
        action = Blink::create(1, 3);
    else if (rd < 0.8)
        action = TintBy::create(2, 0, -255, -255);
    else
        action = FadeOut::create(2);

    auto action_back = action->reverse();
    auto seq         = Sequence::create(action, action_back, nullptr);

    sprite->runAction(RepeatForever::create(seq));

    // return sprite;
    return nullptr;
}

void SpriteRenderTextureBug::onTouchesEnded(const std::vector<Touch*>& touches, Event* event)
{
    for (auto& touch : touches)
    {
        auto location = touch->getLocation();
        addNewSpriteWithCoords(location);
    }
}

std::string SpriteRenderTextureBug::title() const
{
    return "SpriteRenderTextureBug";
}

std::string SpriteRenderTextureBug::subtitle() const
{
    return "Touch the screen. Sprite should appear on under the touch";
}

//
// Issue16113Test
//
Issue16113Test::Issue16113Test()
{
    auto s = Director::getInstance()->getWinSize();

    // Save Image menu
    MenuItemFont::setFontSize(16);
    auto item1 = MenuItemFont::create("Save Image", [&](Ref* ref) {
        auto winSize = Director::getInstance()->getVisibleSize();
        auto text    = Label::createWithTTF("hello world", "fonts/Marker Felt.ttf", 40);
        text->setTextColor(Color4B::RED);
        auto target = RenderTexture::create(winSize.width, winSize.height, backend::PixelFormat::RGBA8);
        target->beginWithClear(0, 0, 0, 0);
        text->setPosition(winSize.width / 2, winSize.height / 2);
        text->Node::visit();
        target->end();
        auto callback = [&](RenderTexture* rt, std::string_view path) { rt->release(); };
        target->retain();
        target->saveToFile("issue16113.png", Image::Format::PNG, true, callback);
    });
    auto menu  = Menu::create(item1, nullptr);
    this->addChild(menu);
    menu->setPosition(s.width / 2, s.height / 2);
}

std::string Issue16113Test::title() const
{
    return "Github Issue 16113";
}

std::string Issue16113Test::subtitle() const
{
    return "aaa.png file without white border on iOS";
}

//
// RenderTextureWithSprite3DIssue16894
//
RenderTextureWithSprite3DIssue16894::RenderTextureWithSprite3DIssue16894()
{
    auto visibleSize = Director::getInstance()->getVisibleSize();
    Vec2 origin      = Director::getInstance()->getVisibleOrigin();

    for (int i = 0; i < 3; ++i)
    {
        // Ship - Model is from cocos2d-x test project
        auto ship = Sprite3D::create("Sprite3DTest/boss.c3b");
        ship->setScale(6);
        ship->setRotation3D(Vec3(180.0f, 45.0f, 0.0f));
        ship->setPosition(Vec2(visibleSize.width / 4 + origin.x, visibleSize.height / 2 + origin.y));
        ship->setForce2DQueue(true);
        ship->retain();

        if (i == 0)
        {
            addChild(ship, 1);
            //// Rotate Ship
            auto spin       = RotateBy::create(4, Vec3(0.0f, 180.0f, 0.0f));
            auto repeatspin = RepeatForever::create(spin);
            ship->runAction(repeatspin);
        }
        _ship[i] = ship;
    }

    // RenderTextures
    _renderTexDefault = RenderTexture::create(visibleSize.width, visibleSize.height, backend::PixelFormat::RGBA8);
    _renderTexDefault->setKeepMatrix(true);
    addChild(_renderTexDefault);
    _renderTexDefault->setPosition(visibleSize.width / 4 * 3, visibleSize.height / 2);

    _renderTexWithBuffer = RenderTexture::create(visibleSize.width, visibleSize.height, backend::PixelFormat::RGBA8,
                                                 backend::PixelFormat::D24S8);
    _renderTexWithBuffer->setKeepMatrix(true);
    addChild(_renderTexWithBuffer);
    _renderTexWithBuffer->setPosition(visibleSize.width / 4 * 4, visibleSize.height / 2);

    // Update
    scheduleUpdate();

    auto label1 = Label::createWithTTF("Normal Sprite3D\n", "fonts/arial.ttf", 10);
    label1->setPosition(Vec2(visibleSize.width / 4 * 1, 60.0f));
    this->addChild(label1, 1);

    auto label2 = Label::createWithTTF("RenderTexture\nDefault - No depth buffer", "fonts/arial.ttf", 10);
    label2->setPosition(Vec2(visibleSize.width / 4 * 2, 60.0f));
    this->addChild(label2, 1);

    auto label3 = Label::createWithTTF("RenderTexture\nGL_DEPTH24_STENCIL8", "fonts/arial.ttf", 10);
    label3->setPosition(Vec2(visibleSize.width / 4 * 3, 60.0f));
    this->addChild(label3, 1);
}

RenderTextureWithSprite3DIssue16894::~RenderTextureWithSprite3DIssue16894()
{
    for (int i = 0; i < 3; ++i)
    {
        _ship[i]->release();
    }
}

void RenderTextureWithSprite3DIssue16894::visit(Renderer* renderer, const Mat4& parentTransform, uint32_t parentFlags)
{
    RenderTextureTest::visit(renderer, parentTransform, parentFlags);

    _ship[1]->setRotation3D(_ship[0]->getRotation3D());
    _ship[2]->setRotation3D(_ship[0]->getRotation3D());

    _renderTexDefault->beginWithClear(0, 0, 0, 0, 0, 0);
    _ship[1]->visit(Director::getInstance()->getRenderer(), Mat4::IDENTITY, 0);
    _renderTexDefault->end();

    _renderTexWithBuffer->beginWithClear(0, 0, 0, 0, 1, 0);
    _ship[2]->visit(Director::getInstance()->getRenderer(), Mat4::IDENTITY, 0);
    _renderTexWithBuffer->end();
}

std::string RenderTextureWithSprite3DIssue16894::title() const
{
    return "Issue16894: Render Sprite3D to texture";
}

std::string RenderTextureWithSprite3DIssue16894::subtitle() const
{
    return "3 ships, 1st & 3rd are the same";
}