axmol/tests/cpp-tests/Classes/NewRendererTest/NewRendererTest.cpp

/****************************************************************************
 Copyright (c) 2013 cocos2d-x.org
 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
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 The above copyright notice and this permission notice shall be included in
 all copies or substantial portions of the Software.

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#include "NewRendererTest.h"

USING_NS_CC;

NewRendererTests::NewRendererTests()
{
    ADD_TEST_CASE(NewSpriteTest);
    ADD_TEST_CASE(GroupCommandTest);
//    ADD_TEST_CASE(NewClippingNodeTest); // When depth and stencil are used together, ...
    ADD_TEST_CASE(NewDrawNodeTest);
    ADD_TEST_CASE(NewCullingTest);
    ADD_TEST_CASE(VBOFullTest);
    ADD_TEST_CASE(CaptureScreenTest);
    ADD_TEST_CASE(CaptureNodeTest);
    ADD_TEST_CASE(BugAutoCulling);
    ADD_TEST_CASE(RendererBatchQuadTri);
    ADD_TEST_CASE(RendererUniformBatch); 
    ADD_TEST_CASE(RendererUniformBatch2);
    ADD_TEST_CASE(NonBatchSprites);
};

std::string MultiSceneTest::title() const
{
    return "New Renderer";
}

std::string MultiSceneTest::subtitle() const
{
    return "MultiSceneTest";
}

NewSpriteTest::NewSpriteTest()
{
    auto touchListener = EventListenerTouchAllAtOnce::create();
    touchListener->onTouchesEnded = CC_CALLBACK_2(NewSpriteTest::onTouchesEnded, this);

    createSpriteTest();
    createNewSpriteTest();
}

NewSpriteTest::~NewSpriteTest()
{

}

void NewSpriteTest::createSpriteTest()
{
    Size winSize = Director::getInstance()->getWinSize();

    Sprite* parent = Sprite::create("Images/grossini.png");
    parent->setPosition(winSize.width/4, winSize.height/2);
    Sprite* child1 = Sprite::create("Images/grossinis_sister1.png");
    child1->setPosition(0.0f, -20.0f);
    Sprite* child2 = Sprite::create("Images/grossinis_sister2.png");
    child2->setPosition(20.0f, -20.0f);
    Sprite* child3 = Sprite::create("Images/grossinis_sister1.png");
    child3->setPosition(40.0f, -20.0f);
    Sprite* child4 = Sprite::create("Images/grossinis_sister2.png");
    child4->setPosition(60.0f, -20.0f);
    Sprite* child5 = Sprite::create("Images/grossinis_sister2.png");
    child5->setPosition(80.0f, -20.0f);
    Sprite* child6 = Sprite::create("Images/grossinis_sister2.png");
    child6->setPosition(100.0f, -20.0f);
    Sprite* child7 = Sprite::create("Images/grossinis_sister2.png");
    child7->setPosition(120.0f, -20.0f);

    parent->addChild(child1);
    parent->addChild(child2);
    parent->addChild(child3);
    parent->addChild(child4);
    parent->addChild(child5);
    parent->addChild(child6);
    parent->addChild(child7);
    addChild(parent);
}

void NewSpriteTest::createNewSpriteTest()
{
    Size winSize = Director::getInstance()->getWinSize();

    Sprite* parent = Sprite::create("Images/grossini.png");
    parent->setPosition(winSize.width*2/3, winSize.height/2);
    Sprite* child1 = Sprite::create("Images/grossinis_sister1.png");
    child1->setPosition(0.0f, -20.0f);
    Sprite* child2 = Sprite::create("Images/grossinis_sister2.png");
    child2->setPosition(20.0f, -20.0f);
    Sprite* child3 = Sprite::create("Images/grossinis_sister1.png");
    child3->setPosition(40.0f, -20.0f);
    Sprite* child4 = Sprite::create("Images/grossinis_sister2.png");
    child4->setPosition(60.0f, -20.0f);
    Sprite* child5 = Sprite::create("Images/grossinis_sister2.png");
    child5->setPosition(80.0f, -20.0f);
    Sprite* child6 = Sprite::create("Images/grossinis_sister2.png");
    child6->setPosition(100.0f, -20.0f);
    Sprite* child7 = Sprite::create("Images/grossinis_sister2.png");
    child7->setPosition(120.0f, -20.0f);

    parent->addChild(child1);
    parent->addChild(child2);
    parent->addChild(child3);
    parent->addChild(child4);
    parent->addChild(child5);
    parent->addChild(child6);
    parent->addChild(child7);
    addChild(parent);
}

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

}

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

std::string NewSpriteTest::subtitle() const
{
    return "SpriteTest";
}

class SpriteInGroupCommand : public Sprite
{
protected:
    GroupCommand _spriteWrapperCommand;
public:
    static SpriteInGroupCommand* create(const std::string& filename);
    
    virtual void draw(Renderer *renderer, const Mat4 &transform, uint32_t flags) override;
};

SpriteInGroupCommand* SpriteInGroupCommand::create(const std::string &filename)
{
    SpriteInGroupCommand* sprite = new (std::nothrow) SpriteInGroupCommand();
    sprite->initWithFile(filename);
    sprite->autorelease();
    return sprite;
}

void SpriteInGroupCommand::draw(Renderer *renderer, const Mat4 &transform, uint32_t flags)
{
    CCASSERT(renderer, "Render is null");
    _spriteWrapperCommand.init(_globalZOrder);
    renderer->addCommand(&_spriteWrapperCommand);
    renderer->pushGroup(_spriteWrapperCommand.getRenderQueueID());
    Sprite::draw(renderer, transform, flags);
    renderer->popGroup();
}

GroupCommandTest::GroupCommandTest()
{
    auto sprite = SpriteInGroupCommand::create("Images/grossini.png");
    Size winSize = Director::getInstance()->getWinSize();
    sprite->setPosition(winSize.width/2,winSize.height/2);
    addChild(sprite);
}

GroupCommandTest::~GroupCommandTest()
{
}

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

std::string GroupCommandTest::subtitle() const
{
    return "GroupCommandTest: You should see a sprite";
}

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

    auto clipper = ClippingNode::create();
    clipper->setTag( kTagClipperNode );
    clipper->setContentSize(  Size(200, 200) );
    clipper->setAnchorPoint(  Vec2(0.5, 0.5) );
    clipper->setPosition( Vec2(s.width / 2, s.height / 2) );

    clipper->runAction(RepeatForever::create(RotateBy::create(1, 45)));
    this->addChild(clipper);

    // TODO: Fix draw node as clip node
//    auto stencil = NewDrawNode::create();
//    Vec2 rectangle[4];
//    rectangle[0] = Vec2(0, 0);
//    rectangle[1] = Vec2(clipper->getContentSize().width, 0);
//    rectangle[2] = Vec2(clipper->getContentSize().width, clipper->getContentSize().height);
//    rectangle[3] = Vec2(0, clipper->getContentSize().height);
//
//    Color4F white(1, 1, 1, 1);
//    stencil->drawPolygon(rectangle, 4, white, 1, white);
//    clipper->setStencil(stencil);

    //Test with alpha Test
    clipper->setAlphaThreshold(0.05f);
    auto stencil = Sprite::create("Images/grossini.png");
    stencil->setPosition(s.width/2, s.height/2);
    clipper->setStencil(stencil);

    auto content = Sprite::create("Images/background2.png");
    content->setTag( kTagContentNode );
    content->setAnchorPoint(  Vec2(0.5, 0.5) );
    content->setPosition( Vec2(clipper->getContentSize().width / 2, clipper->getContentSize().height / 2) );
    clipper->addChild(content);

    _scrolling = false;

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

NewClippingNodeTest::~NewClippingNodeTest()
{

}

std::string NewClippingNodeTest::title() const
{
    return "New Render";
}

std::string NewClippingNodeTest::subtitle() const
{
    return "ClipNode";
}

void NewClippingNodeTest::onTouchesBegan(const std::vector<Touch *> &touches, Event *event)
{
    Touch *touch = touches[0];
    auto clipper = this->getChildByTag(kTagClipperNode);
    Vec2 point = clipper->convertToNodeSpace(Director::getInstance()->convertToGL(touch->getLocationInView()));
    auto rect = Rect(0, 0, clipper->getContentSize().width, clipper->getContentSize().height);
    _scrolling = rect.containsPoint(point);
    _lastPoint = point;
}

void NewClippingNodeTest::onTouchesMoved(const std::vector<Touch *> &touches, Event *event)
{
    if (!_scrolling) return;
    Touch *touch = touches[0];
    auto clipper = this->getChildByTag(kTagClipperNode);
    auto point = clipper->convertToNodeSpace(Director::getInstance()->convertToGL(touch->getLocationInView()));
    Vec2 diff = point - _lastPoint;
    auto content = clipper->getChildByTag(kTagContentNode);
    content->setPosition(content->getPosition() + diff);
    _lastPoint = point;
}

void NewClippingNodeTest::onTouchesEnded(const std::vector<Touch *> &touches, Event *event)
{
    if (!_scrolling) return;
    _scrolling = false;
}

/**
* NewDrawNode
*/
NewDrawNodeTest::NewDrawNodeTest()
{
    auto s = Director::getInstance()->getWinSize();

    auto parent = Node::create();
    parent->setPosition(s.width/2, s.height/2);
    addChild(parent);

    auto rectNode = DrawNode::create();
    Vec2 rectangle[4];
    rectangle[0] = Vec2(-50, -50);
    rectangle[1] = Vec2(50, -50);
    rectangle[2] = Vec2(50, 50);
    rectangle[3] = Vec2(-50, 50);

    Color4F white(1, 1, 1, 1);
    rectNode->drawPolygon(rectangle, 4, white, 1, white);
    parent->addChild(rectNode);
}

NewDrawNodeTest::~NewDrawNodeTest()
{

}

std::string NewDrawNodeTest::title() const
{
    return "New Render";
}

std::string NewDrawNodeTest::subtitle() const
{
    return "DrawNode";
}

NewCullingTest::NewCullingTest()
{
    Size size = Director::getInstance()->getWinSize();
    auto sprite = Sprite::create("Images/btn-about-normal-vertical.png");
    sprite->setRotation(5);
    sprite->setPosition(Vec2(size.width/2,size.height/3));
    sprite->setScale(2);
    addChild(sprite);

    auto sprite2 = Sprite::create("Images/btn-about-normal-vertical.png");
    sprite2->setRotation(-85);
    sprite2->setPosition(Vec2(size.width/2,size.height * 2/3));
    sprite2->setScale(2);
    addChild(sprite2);
    
    auto listener = EventListenerTouchOneByOne::create();
    listener->setSwallowTouches(true);
    
    listener->onTouchBegan = CC_CALLBACK_2(NewCullingTest::onTouchBegan, this);
    listener->onTouchMoved = CC_CALLBACK_2(NewCullingTest::onTouchMoved, this);
    
    _eventDispatcher->addEventListenerWithSceneGraphPriority(listener, this);
    
}

bool NewCullingTest::onTouchBegan(Touch* touch, Event  *event)
{
    auto pos = touch->getLocation();
    _lastPos = pos;
    return true;
}

void NewCullingTest::onTouchMoved(Touch* touch, Event  *event)
{    
    auto pos = touch->getLocation();
    
    auto offset = pos - _lastPos;
    
    auto layerPos = getPosition();
    auto newPos = layerPos + offset;
    
    setPosition(newPos);
    _lastPos = pos;
}

NewCullingTest::~NewCullingTest()
{
    
}

std::string NewCullingTest::title() const
{
    return "New Render";
}

std::string NewCullingTest::subtitle() const
{
    return "Drag the layer to test the result of culling";
}

VBOFullTest::VBOFullTest()
{
    Size s = Director::getInstance()->getWinSize();
    Node* parent = Node::create();
    parent->setPosition(0,0);
    addChild(parent);
    
    for (int i=0; i< Renderer::VBO_SIZE / 3.9; ++i)
    {
        Sprite* sprite = Sprite::create("Images/grossini_dance_01.png");
        sprite->setScale(0.1f, 0.1f);
        float x = ((float)std::rand()) /RAND_MAX;
        float y = ((float)std::rand()) /RAND_MAX;
        sprite->setPosition(Vec2(x * s.width, y * s.height));
        parent->addChild(sprite);
    }
}

VBOFullTest::~VBOFullTest()
{
    
}

std::string VBOFullTest::title() const
{
    return "New Renderer";
}

std::string VBOFullTest::subtitle() const
{
    return "VBO full Test, everything should render normally";
}

CaptureScreenTest::CaptureScreenTest()
{
    Size s = Director::getInstance()->getWinSize();
    Vec2 left(s.width / 4, s.height / 2);
    Vec2 right(s.width / 4 * 3, s.height / 2);
	
    auto sp1 = Sprite::create("Images/grossini.png");
    sp1->setPosition(left);
    auto move1 = MoveBy::create(1, Vec2(s.width/2, 0));
    auto seq1 = RepeatForever::create(Sequence::create(move1, move1->reverse(), nullptr));
    addChild(sp1);
    sp1->runAction(seq1);
    auto sp2 = Sprite::create("Images/grossinis_sister1.png");
    sp2->setPosition(right);
    auto move2 = MoveBy::create(1, Vec2(-s.width/2, 0));
    auto seq2 = RepeatForever::create(Sequence::create(move2, move2->reverse(), nullptr));
    addChild(sp2);
    sp2->runAction(seq2);

    auto label1 = Label::createWithTTF(TTFConfig("fonts/arial.ttf"), "capture all");
    auto mi1 = MenuItemLabel::create(label1, CC_CALLBACK_1(CaptureScreenTest::onCaptured, this));
    auto menu = Menu::create(mi1, nullptr);
    addChild(menu);
    menu->setPosition(s.width / 2, s.height / 4);

    _filename = "";
}

CaptureScreenTest::~CaptureScreenTest()
{
    Director::getInstance()->getTextureCache()->removeTextureForKey(_filename);
}

std::string CaptureScreenTest::title() const
{
    return "New Renderer";
}

std::string CaptureScreenTest::subtitle() const
{
    return "Capture screen test, press the menu items to capture the screen";
}

void CaptureScreenTest::onCaptured(Ref*)
{
    Director::getInstance()->getTextureCache()->removeTextureForKey(_filename);
    removeChildByTag(childTag);
    _filename = "CaptureScreenTest.png";
    // retain it to avoid crash caused by invoking afterCaptured 
    this->retain();
    utils::captureScreen(CC_CALLBACK_2(CaptureScreenTest::afterCaptured, this), _filename);
}

void CaptureScreenTest::afterCaptured(bool succeed, const std::string& outputFile)
{
    if (succeed)
    {
        auto sp = Sprite::create(outputFile);
        addChild(sp, 0, childTag);
        Size s = Director::getInstance()->getWinSize();
        sp->setPosition(s.width / 2, s.height / 2);
        sp->setScale(0.25);
        _filename = outputFile;
    }
    else
    {
        log("Capture screen failed.");
    }

    // release it since it is retained in `CaptureScreenTest::onCaptured()`
    this->release();
}

CaptureNodeTest::CaptureNodeTest()
{
    Size s = Director::getInstance()->getWinSize();
    Vec2 left(s.width / 4, s.height / 2);
    Vec2 right(s.width / 4 * 3, s.height / 2);

    auto sp1 = Sprite::create("Images/grossini.png");
    sp1->setPosition(left);
    auto move1 = MoveBy::create(1, Vec2(s.width / 2, 0));
    auto seq1 = RepeatForever::create(Sequence::create(move1, move1->reverse(), nullptr));
    addChild(sp1);
    sp1->runAction(seq1);
    auto sp2 = Sprite::create("Images/grossinis_sister1.png");
    sp2->setPosition(right);
    auto move2 = MoveBy::create(1, Vec2(-s.width / 2, 0));
    auto seq2 = RepeatForever::create(Sequence::create(move2, move2->reverse(), nullptr));
    addChild(sp2);
    sp2->runAction(seq2);

    auto label1 = Label::createWithTTF(TTFConfig("fonts/arial.ttf"), "capture this scene");
    auto mi1 = MenuItemLabel::create(label1, CC_CALLBACK_1(CaptureNodeTest::onCaptured, this));
    auto menu = Menu::create(mi1, nullptr);
    addChild(menu);
    menu->setPosition(s.width / 2, s.height / 4);

    _filename = "";
}

CaptureNodeTest::~CaptureNodeTest()
{
    Director::getInstance()->getTextureCache()->removeTextureForKey(_filename);
}

std::string CaptureNodeTest::title() const
{
    return "New Renderer";
}

std::string CaptureNodeTest::subtitle() const
{
    return "Capture node test, press the menu items to capture this scene with scale 0.5";
}

void CaptureNodeTest::onCaptured(Ref*)
{ 
    Director::getInstance()->getTextureCache()->removeTextureForKey(_filename);
    removeChildByTag(childTag);
    
    _filename = FileUtils::getInstance()->getWritablePath() + "/CaptureNodeTest.png";

    // capture this
    auto callback = [&](Image* image){
        // create a sprite with the captured image directly
        auto sp = Sprite::createWithTexture(Director::getInstance()->getTextureCache()->addImage(image, _filename));
        addChild(sp, 0, childTag);
        Size s = Director::getInstance()->getWinSize();
        sp->setPosition(s.width / 2, s.height / 2);
        
        // store to disk
        image->saveToFile(_filename);
        
        // release the captured image
        image->release();
    };
    
    auto callbackFunction = std::bind(callback, std::placeholders::_1);
    utils::captureNode(this, callbackFunction, 0.5);
}

BugAutoCulling::BugAutoCulling()
{
    Size s = Director::getInstance()->getWinSize();
    auto fastmap = cocos2d::experimental::TMXTiledMap::create("TileMaps/orthogonal-test2.tmx");
    this->addChild(fastmap);
    for (int i = 0; i < 30; i++) {
        auto sprite = Sprite::create("Images/grossini.png");
        sprite->setPosition(s.width/2 + s.width/10 * i, s.height/2);
        this->addChild(sprite);
        auto label = Label::createWithTTF(TTFConfig("fonts/arial.ttf"), "Label");
        label->setPosition(s.width/2 + s.width/10 * i, s.height/2);
        this->addChild(label);
    }
    this->scheduleOnce([=](float){
        auto camera = Director::getInstance()->getRunningScene()->getCameras().front();
        auto move  = MoveBy::create(2.0, Vec2(2 * s.width, 0));
        camera->runAction(Sequence::create(move, move->reverse(),nullptr));
    }, 1.0f, "lambda-autoculling-bug");
}

std::string BugAutoCulling::title() const
{
    return "Bug-AutoCulling";
}

std::string BugAutoCulling::subtitle() const
{
    return "Moving the camera to the right instead of moving the layer";
}

//
// RendererBatchQuadTri
//

RendererBatchQuadTri::RendererBatchQuadTri()
{
    Size s = Director::getInstance()->getWinSize();

    for (int i=0; i<250; i++)
    {
        int x = CCRANDOM_0_1() * s.width;
        int y = CCRANDOM_0_1() * s.height;

        auto label = LabelAtlas::create("This is a label", "fonts/tuffy_bold_italic-charmap.plist");
        label->setColor(Color3B::RED);
        label->setPosition(Vec2(x,y));
        addChild(label);

        auto sprite = Sprite::create("fonts/tuffy_bold_italic-charmap.png");
        sprite->setTextureRect(Rect(0,0,100,100));
        sprite->setPosition(Vec2(x,y));
        sprite->setColor(Color3B::BLUE);
        addChild(sprite);
    }
}

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

std::string RendererBatchQuadTri::subtitle() const
{
    return "QuadCommand and TriangleCommands are batched together";
}


//
//
// RendererUniformBatch
//

RendererUniformBatch::RendererUniformBatch()
{
    Size s = Director::getInstance()->getWinSize();

    auto blurState = createBlurProgramState();
    auto sepiaState = createSepiaProgramState();

    auto x_inc = s.width / 20;
    auto y_inc = s.height / 6;

    for (int y=0; y<6; ++y)
    {
        for (int x=0; x<20; ++x)
        {
            auto sprite = Sprite::create("Images/grossini.png");
            sprite->setPosition(Vec2(x * x_inc, y * y_inc));
            sprite->setScale(0.4);
            addChild(sprite);

            if (y>=4) {
                sprite->setProgramState(sepiaState);
            } else if(y>=2) {
                sprite->setProgramState(blurState);
            }
        }
    }
}

cocos2d::backend::ProgramState* RendererUniformBatch::createBlurProgramState()
{
    const std::string shaderName("Shaders/example_Blur.fsh");
    // outline shader
    auto fileUtiles = FileUtils::getInstance();
    auto fragmentFullPath = fileUtiles->fullPathForFilename(shaderName);
    auto fragSource = fileUtiles->getStringFromFile(fragmentFullPath);
    auto programState = new backend::ProgramState(positionTextureColor_vert, fragSource.c_str());



    backend::UniformLocation loc = programState->getUniformLocation("resolution");
    auto resolution = Vec2(85, 121);
    programState->setUniform(loc, &resolution, sizeof(resolution));

    loc = programState->getUniformLocation("blurRadius");
    float blurRadius = 10.0f;
    programState->setUniform(loc, &blurRadius, sizeof(blurRadius));

    loc = programState->getUniformLocation("sampleNum");
    float sampleNum = 5.0f;
    programState->setUniform(loc, &sampleNum, sizeof(sampleNum));

    return programState;
}

cocos2d::backend::ProgramState* RendererUniformBatch::createSepiaProgramState()
{
    const std::string shaderName("Shaders/example_Sepia.fsh");

    // outline shader
    auto fileUtiles = FileUtils::getInstance();
    auto fragmentFullPath = fileUtiles->fullPathForFilename(shaderName);
    auto fragSource = fileUtiles->getStringFromFile(fragmentFullPath);
    auto glprogram = new backend::ProgramState(positionTextureColor_vert, fragSource.c_str());
    
    return glprogram;
}

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

std::string RendererUniformBatch::subtitle() const
{
    return "Only 9 draw calls should appear";
}


////
//// RendererUniformBatch2
////

RendererUniformBatch2::RendererUniformBatch2()
{
    Size s = Director::getInstance()->getWinSize();

    auto blurState = createBlurProgramState();
    auto sepiaState = createSepiaProgramState();

    auto x_inc = s.width / 20;
    auto y_inc = s.height / 6;

    for (int y=0; y<6; ++y)
    {
        for (int x=0; x<20; ++x)
        {
            auto sprite = Sprite::create("Images/grossini.png");
            sprite->setPosition(Vec2(x * x_inc, y * y_inc));
            sprite->setScale(0.4);
            addChild(sprite);

            auto r = CCRANDOM_0_1();
            if (r < 0.33)
                sprite->setProgramState(sepiaState);
            else if (r < 0.66)
                sprite->setProgramState(blurState);
        }
    }
}

backend::ProgramState* RendererUniformBatch2::createBlurProgramState()
{
    const std::string shaderName("Shaders/example_Blur.fsh");

    // outline shader
    auto fileUtiles = FileUtils::getInstance();
    auto fragmentFullPath = fileUtiles->fullPathForFilename(shaderName);
    auto fragSource = fileUtiles->getStringFromFile(fragmentFullPath);
    
    auto programState = new backend::ProgramState(positionTextureColor_vert, fragSource.c_str());

    backend::UniformLocation loc = programState->getUniformLocation("resolution");
    auto resolution = Vec2(85, 121);
    programState->setUniform(loc, &resolution, sizeof(resolution));

    loc = programState->getUniformLocation("blurRadius");
    float blurRadius = 10.0f;
    programState->setUniform(loc, &blurRadius, sizeof(blurRadius));

    loc = programState->getUniformLocation("sampleNum");
    float sampleNum = 5.0f;
    programState->setUniform(loc, &sampleNum, sizeof(sampleNum));

    return programState;
}

backend::ProgramState*  RendererUniformBatch2::createSepiaProgramState()
{
    const std::string shaderName("Shaders/example_Sepia.fsh");

    // outline shader
    auto fileUtiles = FileUtils::getInstance();
    auto fragmentFullPath = fileUtiles->fullPathForFilename(shaderName);
    auto fragSource = fileUtiles->getStringFromFile(fragmentFullPath);
    auto glprogram = new backend::ProgramState(positionTextureColor_vert, fragSource.c_str());

    return glprogram;
}

std::string RendererUniformBatch2::title() const
{
    return "RendererUniformBatch 2";
}

std::string RendererUniformBatch2::subtitle() const
{
    return "Mixing different shader states should work ok";
}

NonBatchSprites::NonBatchSprites()
{
    Size s = Director::getInstance()->getWinSize();
    Node* parent = Node::create();
    parent->setPosition(0, 0);
    addChild(parent);

    for (int i = 0; i < 2000; ++i)
    {
        Sprite* sprite = nullptr;
        if (i % 2 == 0)
        {
            sprite = Sprite::create("Images/grossini_dance_05.png");
        }
        else
        {
            sprite = Sprite::create("Images/grossini_dance_01.png");
        }

        if (!sprite) break;

        sprite->setScale(0.1f, 0.1f);
        float x = ((float)std::rand()) / RAND_MAX;
        float y = ((float)std::rand()) / RAND_MAX;
        sprite->runAction(RepeatForever::create(RotateBy::create(1, 45)));
        
        sprite->setPosition(Vec2(x * s.width, y * s.height));
        parent->addChild(sprite);
    }
}

NonBatchSprites::~NonBatchSprites()
{

}

std::string NonBatchSprites::title() const
{
    return "Non Batched Sprites";
}

std::string NonBatchSprites::subtitle() const
{
    return "simulate lots of sprites";
}