[This article is for Windows 8.x and Windows Phone 8.x developers writing Windows Runtime apps. If you’re developing for Windows 10, see the latest documentation] You port your OpenGL Shader Language (GLSL) code to Microsoft High Level Shader Language (HLSL) code when you port your graphics architecture from OpenGL ES 2.0 to Direct3D 11 to create a game for Windows 8. The GLSL that is referred to