axmol/tests/cpp-tests/Classes/ShaderTest/ShaderTest2.cpp

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/****************************************************************************
Copyright (c) 2014 Chukong Technologies Inc.
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
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
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.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/
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#include "ShaderTest2.h"
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#include "ShaderTest.h"
#include "../testResource.h"
#include "cocos2d.h"
namespace ShaderTest2
{
static std::function<Layer*()> createFunctions[] =
{
CL(NormalSpriteTest),
CL(GreyScaleSpriteTest),
CL(BlurSpriteTest),
CL(NoiseSpriteTest),
CL(EdgeDetectionSpriteTest),
CL(BloomSpriteTest),
CL(CelShadingSpriteTest),
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CL(LensFlareSpriteTest),
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CL(OutlineShadingSpriteTest),
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};
static unsigned int TEST_CASE_COUNT = sizeof(ShaderTest2::createFunctions) / sizeof(ShaderTest2::createFunctions[0]);
static int sceneIdx=-1;
Layer* createTest(int index)
{
auto layer = (createFunctions[index])();;
return layer;
}
Layer* nextAction();
Layer* backAction();
Layer* restartAction();
Layer* nextAction()
{
sceneIdx++;
sceneIdx = sceneIdx % TEST_CASE_COUNT;
return createTest(sceneIdx);
}
Layer* backAction()
{
sceneIdx--;
if( sceneIdx < 0 )
sceneIdx = TEST_CASE_COUNT -1;
return createTest(sceneIdx);
}
Layer* restartAction()
{
return createTest(sceneIdx);
}
}
ShaderTestDemo2::ShaderTestDemo2()
{
}
void ShaderTestDemo2::backCallback(Ref* sender)
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{
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auto s = ShaderTestScene2::create();
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s->addChild( ShaderTest2::backAction() );
Director::getInstance()->replaceScene(s);
}
void ShaderTestDemo2::nextCallback(Ref* sender)
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{
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auto s = ShaderTestScene2::create();
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s->addChild( ShaderTest2::nextAction() );
Director::getInstance()->replaceScene(s);
}
void ShaderTestDemo2::restartCallback(Ref* sender)
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{
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auto s = ShaderTestScene2::create();
s->addChild(ShaderTest2::restartAction());
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Director::getInstance()->replaceScene(s);
}
void ShaderTestScene2::runThisTest()
{
auto layer = ShaderTest2::nextAction();
addChild(layer);
Director::getInstance()->replaceScene(this);
}
template <class spriteType>
class ShaderSpriteCreator
{
public:
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static spriteType* createSprite(const std::string& filename)
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{
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spriteType* ret = spriteType::create();
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ret->setTexture(filename);
ret->initShader();
ret->setBackgroundNotification();
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return ret;
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}
};
class ShaderSprite : public Sprite
{
public:
ShaderSprite();
~ShaderSprite();
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virtual void initShader();
void setBackgroundNotification();
void listenBackToForeground(Ref *obj);
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protected:
virtual void setCustomUniforms() = 0;
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std::string _fragSourceFile;
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std::string _vertSourceFile;
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};
ShaderSprite::ShaderSprite()
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:_vertSourceFile("")
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{
}
ShaderSprite::~ShaderSprite()
{
}
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void ShaderSprite::setBackgroundNotification()
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{
#if CC_ENABLE_CACHE_TEXTURE_DATA
auto listener = EventListenerCustom::create(EVENT_COME_TO_FOREGROUND, [this](EventCustom* event){
this->setGLProgramState(nullptr);
this->initShader();
});
_eventDispatcher->addEventListenerWithSceneGraphPriority(listener, this);
#endif
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}
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void ShaderSprite::initShader()
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{
auto fileUtiles = FileUtils::getInstance();
auto fragmentFilePath = fileUtiles->fullPathForFilename(_fragSourceFile);
auto fragSource = fileUtiles->getStringFromFile(fragmentFilePath);
std::string vertSource;
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if (_vertSourceFile.empty()) {
vertSource = ccPositionTextureColor_noMVP_vert;
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}else{
std::string vertexFilePath = fileUtiles->fullPathForFilename(_vertSourceFile);
vertSource = fileUtiles->getStringFromFile(vertexFilePath);
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}
auto glprogram = GLProgram::createWithByteArrays(vertSource.c_str(), fragSource.c_str());
auto glprogramState = GLProgramState::getOrCreate(glprogram);
this->setGLProgramState(glprogramState);
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setCustomUniforms();
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}
class NormalSprite : public ShaderSprite, public ShaderSpriteCreator<NormalSprite>
{
public:
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CREATE_FUNC(NormalSprite);
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NormalSprite();
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protected:
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virtual void setCustomUniforms() override;
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};
NormalSprite::NormalSprite()
{
_fragSourceFile = "Shaders/example_normal.fsh";
}
void NormalSprite::setCustomUniforms()
{
}
class GreyScaleSprite : public ShaderSprite, public ShaderSpriteCreator<GreyScaleSprite>
{
public:
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CREATE_FUNC(GreyScaleSprite);
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GreyScaleSprite();
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protected:
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virtual void setCustomUniforms() override;
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};
GreyScaleSprite::GreyScaleSprite()
{
_fragSourceFile = "Shaders/example_greyScale.fsh";
}
void GreyScaleSprite::setCustomUniforms()
{
}
class BlurSprite : public ShaderSprite, public ShaderSpriteCreator<BlurSprite>
{
public:
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CREATE_FUNC(BlurSprite);
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BlurSprite();
void setBlurSize(float f);
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protected:
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virtual void setCustomUniforms() override;
int _blurRadius;
Vector2 _pixelSize;
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int _samplingRadius;
float _scale;
float _cons;
float _weightSum;
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};
BlurSprite::BlurSprite()
{
_fragSourceFile = "Shaders/example_Blur.fsh";
}
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void BlurSprite::setCustomUniforms()
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{
auto s = getTexture()->getContentSizeInPixels();
_blurRadius = 0;
_pixelSize = Vector2(1/s.width, 1/s.height);
_samplingRadius = 0;
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setBlurSize(3.0f);
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auto programState = getGLProgramState();
programState->setUniformVec2("onePixelSize", _pixelSize);
programState->setUniformVec4("gaussianCoefficient", Vector4(_samplingRadius, _scale, _cons, _weightSum));
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}
void BlurSprite::setBlurSize(float f)
{
if(_blurRadius == (int)f)
return;
_blurRadius = (int)f;
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_samplingRadius = _blurRadius;
if (_samplingRadius > 10)
{
_samplingRadius = 10;
}
if (_blurRadius > 0)
{
float sigma = _blurRadius / 2.0f;
_scale = -0.5f / (sigma * sigma);
_cons = -1.0f * _scale / 3.141592f;
_weightSum = -_cons;
float weight;
int squareX;
for(int dx = 0; dx <= _samplingRadius; ++dx)
{
squareX = dx * dx;
weight = _cons * exp(squareX * _scale);
_weightSum += 2.0 * weight;
for (int dy = 1; dy <= _samplingRadius; ++dy)
{
weight = _cons * exp((squareX + dy * dy) * _scale);
_weightSum += 4.0 * weight;
}
}
}
log("_blurRadius:%d",_blurRadius);
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}
class NoiseSprite : public ShaderSprite, public ShaderSpriteCreator<NoiseSprite>
{
public:
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CREATE_FUNC(NoiseSprite);
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NoiseSprite();
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protected:
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virtual void setCustomUniforms() override;
GLfloat _resolution[2];
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};
NoiseSprite::NoiseSprite()
{
_fragSourceFile = "Shaders/example_Noisy.fsh";
}
void NoiseSprite::setCustomUniforms()
{
_resolution[0] = getTexture()->getContentSizeInPixels().width;
_resolution[1] = getTexture()->getContentSizeInPixels().height;
getGLProgramState()->setUniformVec2("resolution", Vector2(_resolution[0],_resolution[1]));
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}
class EdgeDetectionSprite : public ShaderSprite, public ShaderSpriteCreator<EdgeDetectionSprite>
{
public:
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CREATE_FUNC(EdgeDetectionSprite);
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EdgeDetectionSprite();
protected:
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virtual void setCustomUniforms() override;
GLfloat _resolution[2];
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};
EdgeDetectionSprite::EdgeDetectionSprite()
{
_fragSourceFile = "Shaders/example_edgeDetection.fsh";
}
void EdgeDetectionSprite::setCustomUniforms()
{
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auto programState = getGLProgramState();
_resolution[0] = getContentSize().width;
_resolution[1] = getContentSize().height;
programState->setUniformVec2("resolution", Vector2(_resolution[0], _resolution[1]));
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}
class BloomSprite : public ShaderSprite, public ShaderSpriteCreator<BloomSprite>
{
public:
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CREATE_FUNC(BloomSprite);
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BloomSprite();
protected:
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virtual void setCustomUniforms() override;
GLfloat _resolution[2];
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};
BloomSprite::BloomSprite()
{
_fragSourceFile = "Shaders/example_bloom.fsh";
}
void BloomSprite::setCustomUniforms()
{
}
class CelShadingSprite : public ShaderSprite, public ShaderSpriteCreator<CelShadingSprite>
{
public:
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CREATE_FUNC(CelShadingSprite);
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CelShadingSprite();
protected:
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virtual void setCustomUniforms() override;
GLfloat _resolution[2];
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};
CelShadingSprite::CelShadingSprite()
{
_fragSourceFile = "Shaders/example_celShading.fsh";
}
void CelShadingSprite::setCustomUniforms()
{
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auto programState = getGLProgramState();
_resolution[0] = getContentSize().width;
_resolution[1] = getContentSize().height;
programState->setUniformVec2("resolution", Vector2(_resolution[0], _resolution[1]));
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}
class LensFlareSprite : public ShaderSprite, public ShaderSpriteCreator<LensFlareSprite>
{
public:
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CREATE_FUNC(LensFlareSprite);
LensFlareSprite();
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protected:
virtual void setCustomUniforms() override;
GLfloat _resolution[2];
GLfloat _textureResolution[2];
};
LensFlareSprite::LensFlareSprite()
{
_fragSourceFile = "Shaders/example_lensFlare.fsh";
}
void LensFlareSprite::setCustomUniforms()
{
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auto programState = getGLProgramState();
_textureResolution[0] = getTexture()->getContentSizeInPixels().width;
_textureResolution[1] = getTexture()->getContentSizeInPixels().height;
_resolution[0] = getContentSize().width;
_resolution[1] = getContentSize().height;
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programState->setUniformVec2("resolution", Vector2(_resolution[0], _resolution[1]));
programState->setUniformVec2("textureResolution", Vector2(_textureResolution[0], _textureResolution[1]));
}
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NormalSpriteTest::NormalSpriteTest()
{
if (ShaderTestDemo2::init())
{
auto s = Director::getInstance()->getWinSize();
NormalSprite* sprite = NormalSprite::createSprite("Images/powered.png");
sprite->setPosition(Vector2(s.width/2, s.height/2));
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addChild(sprite);
}
}
GreyScaleSpriteTest::GreyScaleSpriteTest()
{
if (ShaderTestDemo2::init())
{
auto s = Director::getInstance()->getWinSize();
GreyScaleSprite* sprite = GreyScaleSprite::createSprite("Images/powered.png");
sprite->setPosition(Vector2(s.width * 0.75, s.height/2));
auto sprite2 = Sprite::create("Images/powered.png");
sprite2->setPosition(Vector2(s.width * 0.25, s.height/2));
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addChild(sprite);
addChild(sprite2);
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}
}
BlurSpriteTest::BlurSpriteTest()
{
if (ShaderTestDemo2::init())
{
auto s = Director::getInstance()->getWinSize();
BlurSprite* sprite = BlurSprite::createSprite("Images/powered.png");
sprite->setPosition(Vector2(s.width * 0.75, s.height/2));
auto sprite2 = Sprite::create("Images/powered.png");
sprite2->setPosition(Vector2(s.width * 0.25, s.height/2));
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addChild(sprite);
addChild(sprite2);
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}
}
NoiseSpriteTest::NoiseSpriteTest()
{
if (ShaderTestDemo2::init())
{
auto s = Director::getInstance()->getWinSize();
NoiseSprite* sprite = NoiseSprite::createSprite("Images/powered.png");
sprite->setPosition(Vector2(s.width * 0.75, s.height/2));
auto sprite2 = Sprite::create("Images/powered.png");
sprite2->setPosition(Vector2(s.width * 0.25, s.height/2));
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addChild(sprite);
addChild(sprite2);
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}
}
EdgeDetectionSpriteTest::EdgeDetectionSpriteTest()
{
if (ShaderTestDemo2::init())
{
auto s = Director::getInstance()->getWinSize();
EdgeDetectionSprite* sprite = EdgeDetectionSprite::createSprite("Images/powered.png");
sprite->setPosition(Vector2(s.width * 0.75, s.height/2));
auto sprite2 = Sprite::create("Images/powered.png");
sprite2->setPosition(Vector2(s.width * 0.25, s.height/2));
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addChild(sprite);
addChild(sprite2);
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}
}
BloomSpriteTest::BloomSpriteTest()
{
if (ShaderTestDemo2::init())
{
auto s = Director::getInstance()->getWinSize();
BloomSprite* sprite = BloomSprite::createSprite("Images/stone.png");
sprite->setPosition(Vector2(s.width * 0.75, s.height/2));
auto sprite2 = Sprite::create("Images/stone.png");
sprite2->setPosition(Vector2(s.width * 0.25, s.height/2));
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addChild(sprite);
addChild(sprite2);
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}
}
CelShadingSpriteTest::CelShadingSpriteTest()
{
if (ShaderTestDemo2::init())
{
auto s = Director::getInstance()->getWinSize();
CelShadingSprite* sprite = CelShadingSprite::createSprite("Images/stone.png");
sprite->setPosition(Vector2(s.width * 0.75, s.height/2));
auto sprite2 = Sprite::create("Images/stone.png");
sprite2->setPosition(Vector2(s.width * 0.25, s.height/2));
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addChild(sprite);
addChild(sprite2);
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}
}
LensFlareSpriteTest::LensFlareSpriteTest()
{
if (ShaderTestDemo2::init())
{
auto s = Director::getInstance()->getWinSize();
LensFlareSprite* sprite = LensFlareSprite::createSprite("Images/noise.png");
Rect rect = Rect::ZERO;
rect.size = Size(480,320);
sprite->setPosition(Vector2(s.width * 0.5, s.height/2));
addChild(sprite);
}
}
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class OutlineSprite : public ShaderSprite, public ShaderSpriteCreator<OutlineSprite>
{
public:
CREATE_FUNC(OutlineSprite);
OutlineSprite();
protected:
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virtual void setCustomUniforms() override;
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};
OutlineSprite::OutlineSprite()
{
_fragSourceFile = "Shaders/example_outline.fsh";
_vertSourceFile = ""; //"Shaders/example_outline.vsh";
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_blendFunc = BlendFunc::ALPHA_PREMULTIPLIED;
}
void OutlineSprite::setCustomUniforms()
{
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Vector3 color(1.0, 0.2, 0.3);
GLfloat radius = 0.01;
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GLfloat threshold = 1.75;
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auto programState = getGLProgramState();
programState->setUniformVec3("u_outlineColor", color);
programState->setUniformFloat("u_radius", radius);
programState->setUniformFloat("u_threshold", threshold);
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}
OutlineShadingSpriteTest::OutlineShadingSpriteTest()
{
if (ShaderTestDemo2::init()) {
auto s = Director::getInstance()->getWinSize();
OutlineSprite* sprite = OutlineSprite::createSprite("Images/grossini_dance_10.png");
sprite->setPosition(Vector2(s.width * 0.75, s.height/2));
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auto sprite2 = Sprite::create("Images/grossini_dance_10.png");
sprite2->setPosition(Vector2(s.width * 0.25, s.height/2));
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addChild(sprite);
addChild(sprite2);
}
}
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