void Utils::setGray(Node *node)
{
return;
USING_NS_CC;
do
{
const 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 \
vec4 col = texture2D(u_texture, v_texCoord); \n \
float grey = dot(col.rgb, vec3(0.299, 0.587, 0.114)); \n \
gl_FragColor = vec4(grey, grey, grey, col.a); \n \
}";
GLProgram* pProgram = new GLProgram();
pProgram->initWithByteArrays(ccPositionTextureColor_noMVP_vert, pszFragSource);
node->setGLProgram(pProgram);
node->getGLProgram()->link();
node->getGLProgram()->updateUniforms();
CHECK_GL_ERROR_DEBUG();
}while(0);
}
GLProgram* TestFilter::loadShader()
{
GLProgram* p = new GLProgram();
CCLOG("TestFilter::loadShader, program: %p", p);
p->initWithByteArrays(ccFilterShader_test_vert,
ccFilterShader_test_frag);
return p;
}
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;
}
}
