void ShaderNode::loadShaderVertex(const char *vert, const char *frag)
{
GLProgram *shader = new GLProgram();
shader->initWithVertexShaderFilename(vert, frag);
shader->addAttribute("aVertex", GLProgram::VERTEX_ATTRIB_POSITION);
shader->link();
shader->updateUniforms();
_uniformCenter = glGetUniformLocation(shader->getProgram(), "center");
_uniformResolution = glGetUniformLocation(shader->getProgram(), "resolution");
_uniformTime = glGetUniformLocation(shader->getProgram(), "time");
this->setShaderProgram(shader);
shader->release();
}
void ShaderCache::loadDefaultShaders()
{
// Position Texture Color shader
GLProgram *p = new GLProgram();
loadDefaultShader(p, kShaderType_PositionTextureColor);
_programs->setObject(p, GLProgram::SHADER_NAME_POSITION_TEXTURE_COLOR);
p->release();
// Position Texture Color alpha test
p = new GLProgram();
loadDefaultShader(p, kShaderType_PositionTextureColorAlphaTest);
_programs->setObject(p, GLProgram::SHADER_NAME_POSITION_TEXTURE_ALPHA_TEST);
p->release();
//
// Position, Color shader
//
p = new GLProgram();
loadDefaultShader(p, kShaderType_PositionColor);
_programs->setObject(p, GLProgram::SHADER_NAME_POSITION_COLOR);
p->release();
//
// Position Texture shader
//
p = new GLProgram();
loadDefaultShader(p, kShaderType_PositionTexture);
_programs->setObject(p, GLProgram::SHADER_NAME_POSITION_TEXTURE);
p->release();
//
// Position, Texture attribs, 1 Color as uniform shader
//
p = new GLProgram();
loadDefaultShader(p, kShaderType_PositionTexture_uColor);
_programs->setObject(p ,GLProgram::SHADER_NAME_POSITION_TEXTURE_U_COLOR);
p->release();
//
// Position Texture A8 Color shader
//
p = new GLProgram();
loadDefaultShader(p, kShaderType_PositionTextureA8Color);
_programs->setObject(p, GLProgram::SHADER_NAME_POSITION_TEXTURE_A8_COLOR);
p->release();
//
// Position and 1 color passed as a uniform (to simulate glColor4ub )
//
p = new GLProgram();
loadDefaultShader(p, kShaderType_Position_uColor);
_programs->setObject(p, GLProgram::SHADER_NAME_POSITION_U_COLOR);
p->release();
//
// Position, Legth(TexCoords, Color (used by Draw Node basically )
//
p = new GLProgram();
loadDefaultShader(p, kShaderType_PositionLengthTexureColor);
_programs->setObject(p, GLProgram::SHADER_NAME_POSITION_LENGTH_TEXTURE_COLOR);
p->release();
}
// on "init" you need to initialize your instance
bool HelloWorld::init()
{
//////////////////////////////
// 1. super init first
if ( !Layer::init() )
{
return false;
}
Size visibleSize = Director::getInstance()->getVisibleSize();
Vec2 origin = Director::getInstance()->getVisibleOrigin();
auto center = Point(visibleSize.width / 2 + origin.x, visibleSize.height / 2 + origin.y);
auto bg = Sprite::create("bg.png");
bg->setPosition(center);
auto bgsize = bg->getContentSize();
float scaleX = visibleSize.width / bgsize.width;
float scaleY = visibleSize.height / bgsize.height;
bg->setScaleX(scaleX);
bg->setScaleY(scaleY);
addChild(bg);
auto grass = Sprite::create("grass.png");
grass->setAnchorPoint(ccp(0.5, 0.5));
grass->setPosition(center);
addChild(grass);
Texture2D::TexParams p;
p.minFilter = GL_LINEAR;
p.magFilter = GL_LINEAR;
p.wrapS = GL_REPEAT;
p.wrapT = GL_REPEAT;
glActiveTexture(GL_TEXTURE0);
auto textureCache = Director::getInstance()->getTextureCache();
auto tex1 = textureCache->addImage("grass.png");
//tex1->setTexParameters(p);
GLProgram* prog = new GLProgram();
prog->initWithFilenames("perlin_wind.vert", "perlin_wind.frag");
prog->retain();
prog->link();
prog->use();
prog->updateUniforms();
float gtime = Director::getInstance()->getDeltaTime();
float ctime = Director::getInstance()->getTotalFrames() * Director::getInstance()->getAnimationInterval();
//CCLog("Wind is %f", pnoise);
ShaderCache::getInstance()->addGLProgram(prog, "perlin_wind");
grass->setGLProgram(prog);
GLProgramState* state = GLProgramState::getOrCreateWithGLProgram(prog);
//state->setUniformFloat("u_gtime", 1.0f);
//state->setUniformFloat("u_ctime",0.5f);
//state->setUniformFloat("u_color", m_cloudAmount);
state->setUniformFloat("u_wind", 0);
schedule(schedule_selector(HelloWorld::setWind));
prog->release();
schedule(schedule_selector(HelloWorld::setWind));
return true;
}
// on "init" you need to initialize your instance
bool HelloWorld::init()
{
//////////////////////////////
// 1. super init first
if ( !Layer::init() )
{
return false;
}
Size visibleSize = Director::getInstance()->getVisibleSize();
Point origin = Director::getInstance()->getVisibleOrigin();
/////////////////////////////
// 2. add a menu item with "X" image, which is clicked to quit the program
// you may modify it.
// add a "close" icon to exit the progress. it's an autorelease object
auto closeItem = MenuItemImage::create(
"CloseNormal.png",
"CloseSelected.png",
CC_CALLBACK_1(HelloWorld::menuCloseCallback, this));
closeItem->setPosition(Point(origin.x + visibleSize.width - closeItem->getContentSize().width/2 ,
origin.y + closeItem->getContentSize().height/2));
auto menu = Menu::create(closeItem, NULL);
menu->setPosition(Point::ZERO);
this->addChild(menu, 1);
auto sprite = Sprite::create("HelloWorld.png");
sprite->setPosition(Point(visibleSize.width/2 + origin.x, visibleSize.height/2 + origin.y));
this->addChild(sprite, 0);
auto playSp = Sprite::create("general_right.png");
playSp->setPosition(Point(visibleSize.width/2 + origin.x, visibleSize.height/2 + origin.y));
this->addChild(playSp);
/*auto backgroundButton = Scale9Sprite::create("general_right.png");
auto titleButton = LabelTTF::create("", "Marker Felt", 30);
ControlButton *button = ControlButton::create(titleButton, backgroundButton);
button->setPosition(Point(visibleSize.width/2 + origin.x, visibleSize.height/2 + origin.y));
button->setAdjustBackgroundImage(false);
this->addChild(button);*/
GLchar * pszFragSource =
"#ifdef GL_ES \n \
precision mediump float; \n \
#endif \n \
uniform sampler2D u_texture; \n \
varying vec2 v_texCoord; \n \
varying vec4 v_fragmentColor; \n \
void main(void) \n \
{ \n \
// Convert to greyscale using NTSC weightings \n \
float grey = dot(texture2D(u_texture, v_texCoord).rgb, vec3(0.299, 0.587, 0.114)); \n \
gl_FragColor = vec4(grey, grey, grey, 1.0); \n \
}";
GLProgram* greyShader = new GLProgram();
greyShader->initWithVertexShaderByteArray(ccPositionTextureColor_vert, pszFragSource);
greyShader->addAttribute(GLProgram::ATTRIBUTE_NAME_POSITION, GLProgram::VERTEX_ATTRIB_POSITION);
greyShader->addAttribute(GLProgram::ATTRIBUTE_NAME_COLOR, GLProgram::VERTEX_ATTRIB_COLOR);
greyShader->addAttribute(GLProgram::ATTRIBUTE_NAME_TEX_COORD, GLProgram::VERTEX_ATTRIB_TEX_COORDS);
greyShader->link();
greyShader->updateUniforms();
//backgroundButton->setShaderProgram(greyShader);
sprite->setShaderProgram(greyShader);
playSp->setShaderProgram(greyShader);
/*Array * children = button->getChildren();
for(int i = 0;i < children->count();i ++){
((Node *)children->getObjectAtIndex(i))->setShaderProgram(greyShader);
}*/
greyShader->release();
return true;
}
void ShaderCache::loadDefaultShaders()
{
// Position Texture Color shader
GLProgram *p = new GLProgram();
loadDefaultShader(p, kShaderType_PositionTextureColor);
_programs->setObject(p, kShader_PositionTextureColor);
p->release();
// Position Texture Color alpha test
p = new GLProgram();
loadDefaultShader(p, kShaderType_PositionTextureColorAlphaTest);
_programs->setObject(p, kShader_PositionTextureColorAlphaTest);
p->release();
//
// Position, Color shader
//
p = new GLProgram();
loadDefaultShader(p, kShaderType_PositionColor);
_programs->setObject(p, kShader_PositionColor);
p->release();
//
// Position Texture shader
//
p = new GLProgram();
loadDefaultShader(p, kShaderType_PositionTexture);
_programs->setObject(p, kShader_PositionTexture);
p->release();
//
// Position, Texture attribs, 1 Color as uniform shader
//
p = new GLProgram();
loadDefaultShader(p, kShaderType_PositionTexture_uColor);
_programs->setObject(p ,kShader_PositionTexture_uColor);
p->release();
//
// Position Texture A8 Color shader
//
p = new GLProgram();
loadDefaultShader(p, kShaderType_PositionTextureA8Color);
_programs->setObject(p, kShader_PositionTextureA8Color);
p->release();
//
// Position and 1 color passed as a uniform (to simulate glColor4ub )
//
p = new GLProgram();
loadDefaultShader(p, kShaderType_Position_uColor);
_programs->setObject(p, kShader_Position_uColor);
p->release();
//
// Position, Legth(TexCoords, Color (used by Draw Node basically )
//
p = new GLProgram();
loadDefaultShader(p, kShaderType_PositionLengthTexureColor);
_programs->setObject(p, kShader_PositionLengthTexureColor);
p->release();
}
void Skin::setSkinEffectShaderProgram()
{
switch (_effectType)
{
case cocostudio::SkinEffect_None: setShaderProgram(ShaderCache::getInstance()->getProgram(GLProgram::SHADER_NAME_POSITION_TEXTURE_COLOR_NO_MVP));break;
case cocostudio::SkinEffect_Grey:
{
const GLchar* fragSource = SkinEffectShader_Grey;
GLProgram* program = new GLProgram();
program->initWithByteArrays(ccPositionTextureColor_vert, fragSource);
setShaderProgram(program);
program->release();
CHECK_GL_ERROR_DEBUG();
program->bindAttribLocation(GLProgram::ATTRIBUTE_NAME_POSITION, GLProgram::VERTEX_ATTRIB_POSITION);
program->bindAttribLocation(GLProgram::ATTRIBUTE_NAME_COLOR, GLProgram::VERTEX_ATTRIB_COLOR);
program->bindAttribLocation(GLProgram::ATTRIBUTE_NAME_TEX_COORD, GLProgram::VERTEX_ATTRIB_TEX_COORDS);
CHECK_GL_ERROR_DEBUG();
program->link();
CHECK_GL_ERROR_DEBUG();
program->updateUniforms();
CHECK_GL_ERROR_DEBUG();
}
break;
case cocostudio::SkinEffect_Elite:
{
const GLchar* fragSource = SkinEffectShader_Elite;
GLProgram* program = new GLProgram();
program->initWithByteArrays(ccPositionTextureColor_vert, fragSource);
setShaderProgram(program);
program->release();
CHECK_GL_ERROR_DEBUG();
program->bindAttribLocation(GLProgram::ATTRIBUTE_NAME_POSITION, GLProgram::VERTEX_ATTRIB_POSITION);
program->bindAttribLocation(GLProgram::ATTRIBUTE_NAME_COLOR, GLProgram::VERTEX_ATTRIB_COLOR);
program->bindAttribLocation(GLProgram::ATTRIBUTE_NAME_TEX_COORD, GLProgram::VERTEX_ATTRIB_TEX_COORDS);
CHECK_GL_ERROR_DEBUG();
program->link();
CHECK_GL_ERROR_DEBUG();
program->updateUniforms();
CHECK_GL_ERROR_DEBUG();
}
break;
case cocostudio::SkinEffect_HighLight:
{
const GLchar* fragSource = SkinEffectShader_HighLight;
GLProgram* program = new GLProgram();
program->initWithByteArrays(ccPositionTextureColor_vert, fragSource);
setShaderProgram(program);
program->release();
CHECK_GL_ERROR_DEBUG();
program->bindAttribLocation(GLProgram::ATTRIBUTE_NAME_POSITION, GLProgram::VERTEX_ATTRIB_POSITION);
program->bindAttribLocation(GLProgram::ATTRIBUTE_NAME_COLOR, GLProgram::VERTEX_ATTRIB_COLOR);
program->bindAttribLocation(GLProgram::ATTRIBUTE_NAME_TEX_COORD, GLProgram::VERTEX_ATTRIB_TEX_COORDS);
CHECK_GL_ERROR_DEBUG();
program->link();
CHECK_GL_ERROR_DEBUG();
program->updateUniforms();
CHECK_GL_ERROR_DEBUG();
}
break;
default:
break;
}
}