glGetShaderInfoLog(vertexShader, 512, null, &infoLog[0]);
I prefer: glGetShaderInfoLog(vertexShader, 512, null, infoLog.ptr);
glGetShaderInfoLog(vertexShader, 512, null, &infoLog[0]);
I prefer: glGetShaderInfoLog(vertexShader, 512, null, infoLog.ptr);