glLinkProgram(_programId);

GLint success;

GLchar infoLog[512];

glGetProgramiv(_programId, GL_LINK_STATUS, &success);

if (!success) {

glGetProgramInfoLog(_programId, 512, NULL, infoLog);

std::cout << "ERROR::SHADER::PROGRAM::LINKING_FAILED\n" << infoLog << std::endl;

return false;

}

return true;