axmol/tests/cpp-tests/Classes/ShaderTest/ShaderTest.h

/****************************************************************************
 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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 all copies or substantial portions of the Software.

 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 THE SOFTWARE.
 ****************************************************************************/

#pragma once

#include "ui/CocosGUI.h"

#include "extensions/cocos-ext.h"
#include "../BaseTest.h"

DEFINE_TEST_SUITE(ShaderTests);

class ShaderTestDemo : public TestCase
{
public:
};

class ShaderMonjori : public ShaderTestDemo
{
public:
    CREATE_FUNC(ShaderMonjori);
    ShaderMonjori();

    virtual std::string title() const override;
    virtual std::string subtitle() const override;
    virtual bool init() override;
};

class ShaderMandelbrot : public ShaderTestDemo
{
public:
    CREATE_FUNC(ShaderMandelbrot);
    ShaderMandelbrot();

    virtual std::string title() const override;
    virtual std::string subtitle() const override;
    virtual bool init() override;
};

class ShaderJulia : public ShaderTestDemo
{
public:
    CREATE_FUNC(ShaderJulia);
    ShaderJulia();

    virtual std::string title() const override;
    virtual std::string subtitle() const override;
    virtual bool init() override;
};

class ShaderHeart : public ShaderTestDemo
{
public:
    CREATE_FUNC(ShaderHeart);
    ShaderHeart();

    virtual std::string title() const override;
    virtual std::string subtitle() const override;
    virtual bool init() override;
};

class ShaderFlower : public ShaderTestDemo
{
public:
    CREATE_FUNC(ShaderFlower);
    ShaderFlower();

    virtual std::string title() const override;
    virtual std::string subtitle() const override;
    virtual bool init() override;
};

class ShaderPlasma : public ShaderTestDemo
{
public:
    CREATE_FUNC(ShaderPlasma);
    ShaderPlasma();

    virtual std::string title() const override;
    virtual std::string subtitle() const override;
    virtual bool init() override;
};

class SpriteBlur;
class ShaderBlur : public ShaderTestDemo
{
public:
    CREATE_FUNC(ShaderBlur);
    ShaderBlur();
    virtual std::string title() const override;
    virtual std::string subtitle() const override;
    virtual bool init() override;
    void createSliderCtls();
    void onRadiusChanged(cocos2d::Ref* sender, cocos2d::extension::Control::EventType controlEvent);
    void onSampleNumChanged(cocos2d::Ref* sender, cocos2d::extension::Control::EventType controlEvent);

protected:
    SpriteBlur* _blurSprite;
    cocos2d::extension::ControlSlider* _sliderRadiusCtl;
    cocos2d::extension::ControlSlider* _sliderNumCtrl;
};

class ShaderRetroEffect : public ShaderTestDemo
{
public:
    CREATE_FUNC(ShaderRetroEffect);
    ShaderRetroEffect();
    virtual std::string title() const override;
    virtual std::string subtitle() const override;
    virtual bool init() override;
    virtual void update(float dt) override;

protected:
    cocos2d::Label* _label;
    float _accum;
};

class ShaderNode : public cocos2d::Node
{
public:
    CREATE_FUNC(ShaderNode);
    static ShaderNode* shaderNodeWithVertex(std::string_view vert, std::string_view frag);

    virtual void update(float dt) override;
    virtual void setPosition(const cocos2d::Vec2& newPosition) override;
    virtual void draw(cocos2d::Renderer* renderer, const cocos2d::Mat4& transform, uint32_t flags) override;

protected:
    ShaderNode();
    ~ShaderNode();

    bool initWithVertex(std::string_view vert, std::string_view frag);
    void loadShaderVertex(std::string_view vert, std::string_view frag);

    virtual bool setProgramState(cocos2d::backend::ProgramState* programState, bool needsRetain = true) override
    {
        if (Node::setProgramState(programState, needsRetain))
        {
            _customCommand.getPipelineDescriptor().programState = programState;
            updateUniforms();
            return true;
        }
        return false;
    }

    void updateUniforms();

    cocos2d::Vec2 _center;
    cocos2d::Vec2 _resolution;
    float _time;
    std::string _vertFileName;
    std::string _fragFileName;
    cocos2d::CustomCommand _customCommand;

    cocos2d::backend::UniformLocation _locResolution;
    cocos2d::backend::UniformLocation _locCenter;
    cocos2d::backend::UniformLocation _locMVP;
    cocos2d::backend::UniformLocation _locTime;
    cocos2d::backend::UniformLocation _locSinTime;
    cocos2d::backend::UniformLocation _locCosTime;
    cocos2d::backend::UniformLocation _locScreenSize;
};

class ShaderLensFlare : public ShaderTestDemo
{
public:
    CREATE_FUNC(ShaderLensFlare);
    ShaderLensFlare();

    virtual std::string title() const override;
    virtual std::string subtitle() const override;
    virtual bool init() override;
};

class ShaderGlow : public ShaderTestDemo
{
public:
    CREATE_FUNC(ShaderGlow);
    ShaderGlow();

    virtual std::string title() const override;
    virtual std::string subtitle() const override;
    virtual bool init() override;
};

class ShaderMultiTexture : public ShaderTestDemo
{
    static const int rightSpriteTag = 2014;

public:
    CREATE_FUNC(ShaderMultiTexture);
    ShaderMultiTexture();
    cocos2d::ui::Slider* createSliderCtl();
    void changeTexture(cocos2d::Ref*);
    int _changedTextureId;
    cocos2d::Sprite* _sprite;

    virtual std::string title() const override;
    virtual std::string subtitle() const override;
    virtual bool init() override;
};