Shader() [1/2]

Shader::Shader	(	std::string	vertexStc,
		std::string	fragmentSrc,
		std::string	geometrySource
	)

Definition at line 6 of file Shader.cpp.

{
    GLuint vertShader = CompileShader(vertexSrc, GL_VERTEX_SHADER, "Vertex");
    GLuint geomShader = CompileShader(geometrySource, GL_GEOMETRY_SHADER, "Geometry");
    GLuint fragShader = CompileShader(fragmentSrc, GL_FRAGMENT_SHADER, "Fragment");
    m_Shader = CreateProgram();
    glAttachShader(m_Shader, vertShader);
    glAttachShader(m_Shader, geomShader);
    glAttachShader(m_Shader, fragShader);
    glLinkProgram(m_Shader);
    GLint isLinked = 0;
    glGetProgramiv(m_Shader, GL_LINK_STATUS, (int *)&isLinked);
 
    if (isLinked == GL_FALSE)
    {
        GLint maxLength = 0;
        glGetProgramiv(m_Shader, GL_INFO_LOG_LENGTH, &maxLength);
        char *errorLog = (char *)malloc(maxLength);
        memset(errorLog, 0, maxLength);
        glGetProgramInfoLog(m_Shader, maxLength, &maxLength, errorLog);
        glDeleteProgram(m_Shader);
        glDeleteShader(vertShader);
        glDeleteShader(fragShader);
        Log(errorLog);
        return;
    }
 
    glDetachShader(m_Shader, vertShader);
    glDetachShader(m_Shader, fragShader);
    glDetachShader(m_Shader, geomShader);
    glDeleteShader(vertShader);
    glDeleteShader(fragShader);
    glDeleteShader(geomShader);
}