GLProgram* GLProgram::createWithFilenames(const std::string& vShaderFilename, const std::string& fShaderFilename, const std::string& compileTimeDefines)
{
auto ret = new (std::nothrow) GLProgram();
if(ret && ret->initWithFilenames(vShaderFilename, fShaderFilename, compileTimeDefines)) {
ret->link();
ret->updateUniforms();
ret->autorelease();
return ret;
}
CC_SAFE_DELETE(ret);
return nullptr;
}
Effect3DOutline::Effect3DOutline()
: _outlineWidth(1.0f)
, _outlineColor(1, 1, 1)
{
#if (CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID)
_backToForeGroundLister = EventListenerCustom::create(EVENT_COME_TO_FOREGROUND,
[this](EventCustom*)
{
auto glProgram = _glProgramState->getGLProgram();
glProgram->reset();
glProgram->initWithFilenames(_vertShaderFile, _fragShaderFile);
glProgram->link();
glProgram->updateUniforms();
}
);
Director::getInstance()->getEventDispatcher()->addEventListenerWithFixedPriority(_backToForeGroundLister, -1);
#endif
}
void UVEffectSprite::InitShader()
{
auto p = new GLProgram();
p->initWithFilenames("Shaders/uv.vsh", "Shaders/uv.fsh");
p->bindAttribLocation(GLProgram::ATTRIBUTE_NAME_POSITION, GLProgram::VERTEX_ATTRIB_POSITION);
p->bindAttribLocation(GLProgram::ATTRIBUTE_NAME_TEX_COORD, GLProgram::VERTEX_ATTRIB_TEX_COORDS);
p->link();
p->updateUniforms();
this->setGLProgram(p);
auto textrue = Director::getInstance()->getTextureCache()->addImage("soroll_uv3.png");
Texture2D::TexParams tRepeatParams;//设置纹理渲染方式
tRepeatParams.magFilter = GL_LINEAR_MIPMAP_LINEAR;
tRepeatParams.minFilter = GL_LINEAR;
tRepeatParams.wrapS = GL_REPEAT;
tRepeatParams.wrapT = GL_REPEAT;
textrue->setTexParameters(tRepeatParams);//将贴图设置给Shader中的变量值u_texture1
_lightani.x = _lightani.y = 0.0f;
getGLProgramState()->setUniformTexture("u_lightTexture", textrue);
getGLProgramState()->setUniformVec2("v_animLight", _lightani);
}
void ShaderNode::loadShaderVertex(const std::string &vs, const std::string &fs)
{
auto shader = new GLProgram();
shader->initWithFilenames(vs, fs);
this->setShaderProgram(shader);
shader->release();
CHECK_GL_ERROR_DEBUG();
shader->bindAttribLocation("a_position", GLProgram::VERTEX_ATTRIB_POSITION);
CHECK_GL_ERROR_DEBUG();
shader->link();
CHECK_GL_ERROR_DEBUG();
shader->updateUniforms();
CHECK_GL_ERROR_DEBUG();
_uniformResolution = shader->getUniformLocation("resolution");
this->buildCustomUniforms();
CHECK_GL_ERROR_DEBUG();
}
bool GLProgram::initWithFilenames(const std::string& vShaderFilename, const std::string& fShaderFilename)
{
return initWithFilenames(vShaderFilename, fShaderFilename, EMPTY_DEFINE);
}
bool GLProgram::initWithFilenames(const std::string& vShaderFilename, const std::string& fShaderFilename, const std::string& compileTimeDefines)
{
return initWithFilenames(vShaderFilename, fShaderFilename, EMPTY_DEFINE, compileTimeDefines);
}
void FogTestDemo::onEnter()
{
CameraBaseTest::onEnter();
schedule(schedule_selector(FogTestDemo::update), 0.0f);
Director::getInstance()->setClearColor(Color4F(0.5,0.5,0.5,1));
auto s = Director::getInstance()->getWinSize();
auto listener = EventListenerTouchAllAtOnce::create();
listener->onTouchesMoved = CC_CALLBACK_2(FogTestDemo::onTouchesMoved, this);
_eventDispatcher->addEventListenerWithSceneGraphPriority(listener, this);
// swich fog type
TTFConfig ttfConfig("fonts/arial.ttf", 20);
auto label1 = Label::createWithTTF(ttfConfig,"Linear ");
auto menuItem1 = MenuItemLabel::create(label1, CC_CALLBACK_1(FogTestDemo::switchTypeCallback,this,0));
auto label2 = Label::createWithTTF(ttfConfig,"Exp");
auto menuItem2 = MenuItemLabel::create(label2, CC_CALLBACK_1(FogTestDemo::switchTypeCallback,this,1));
auto label3 = Label::createWithTTF(ttfConfig,"Exp2");
auto menuItem3 = MenuItemLabel::create(label3, CC_CALLBACK_1(FogTestDemo::switchTypeCallback,this,2));
auto menu = Menu::create(menuItem1, menuItem2, menuItem3, nullptr);
menu->setPosition(Vec2::ZERO);
menuItem1->setPosition(VisibleRect::left().x+60, VisibleRect::top().y-50);
menuItem2->setPosition(VisibleRect::left().x+60, VisibleRect::top().y -100);
menuItem3->setPosition(VisibleRect::left().x+60, VisibleRect::top().y -150);
addChild(menu, 0);
auto layer3D=Layer::create();
addChild(layer3D,0);
_layer3D=layer3D;
_shader =GLProgram::createWithFilenames("Sprite3DTest/fog.vert","Sprite3DTest/fog.frag");
_state = GLProgramState::create(_shader);
_sprite3D1 = Sprite3D::create("Sprite3DTest/teapot.c3b");
_sprite3D2 = Sprite3D::create("Sprite3DTest/teapot.c3b");
_sprite3D1->setGLProgramState(_state);
_sprite3D2->setGLProgramState(_state);
//pass mesh's attribute to shader
long offset = 0;
auto attributeCount = _sprite3D1->getMesh()->getMeshVertexAttribCount();
for (auto i = 0; i < attributeCount; i++) {
auto meshattribute = _sprite3D1->getMesh()->getMeshVertexAttribute(i);
_state->setVertexAttribPointer(s_attributeNames[meshattribute.vertexAttrib],
meshattribute.size,
meshattribute.type,
GL_FALSE,
_sprite3D1->getMesh()->getVertexSizeInBytes(),
(GLvoid*)offset);
offset += meshattribute.attribSizeBytes;
}
long offset1 = 0;
auto attributeCount1 = _sprite3D2->getMesh()->getMeshVertexAttribCount();
for (auto i = 0; i < attributeCount1; i++) {
auto meshattribute = _sprite3D2->getMesh()->getMeshVertexAttribute(i);
_state->setVertexAttribPointer(s_attributeNames[meshattribute.vertexAttrib],
meshattribute.size,
meshattribute.type,
GL_FALSE,
_sprite3D2->getMesh()->getVertexSizeInBytes(),
(GLvoid*)offset1);
offset1 += meshattribute.attribSizeBytes;
}
_state->setUniformVec4("u_fogColor", Vec4(0.5,0.5,0.5,1.0));
_state->setUniformFloat("u_fogStart",10);
_state->setUniformFloat("u_fogEnd",60);
_state->setUniformInt("u_fogEquation" ,0);
_layer3D->addChild(_sprite3D1);
_sprite3D1->setPosition3D( Vec3( 0, 0,0 ) );
_sprite3D1->setScale(2.0f);
_sprite3D1->setRotation3D(Vec3(-90,180,0));
_layer3D->addChild(_sprite3D2);
_sprite3D2->setPosition3D( Vec3( 0, 0,-20 ) );
_sprite3D2->setScale(2.0f);
_sprite3D2->setRotation3D(Vec3(-90,180,0));
if (_camera == nullptr)
{
_camera=Camera::createPerspective(60, (GLfloat)s.width/s.height, 1, 1000);
_camera->setCameraFlag(CameraFlag::USER1);
_camera->setPosition3D(Vec3(0, 30, 40));
_camera->lookAt(Vec3(0,0,0), Vec3(0, 1, 0));
_layer3D->addChild(_camera);
}
_layer3D->setCameraMask(2);
#if (CC_TARGET_PLATFORM == CC_PLATFORM_ANDROID || CC_TARGET_PLATFORM == CC_PLATFORM_WINRT)
_backToForegroundListener = EventListenerCustom::create(EVENT_RENDERER_RECREATED,
[this](EventCustom*)
{
Director::getInstance()->setClearColor(Color4F(0.5,0.5,0.5,1));
auto glProgram = _state->getGLProgram();
glProgram->reset();
glProgram->initWithFilenames("Sprite3DTest/fog.vert","Sprite3DTest/fog.frag");
glProgram->link();
glProgram->updateUniforms();
_state->setUniformVec4("u_fogColor", Vec4(0.5,0.5,0.5,1.0));
_state->setUniformFloat("u_fogStart",10);
_state->setUniformFloat("u_fogEnd",60);
_state->setUniformInt("u_fogEquation" ,0);
}
);
Director::getInstance()->getEventDispatcher()->addEventListenerWithFixedPriority(_backToForegroundListener, -1);
#endif
}
