// Copyright (C) 2016 The Qt Company Ltd. // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0 // Fragment shader special variables. mediump vec4 gl_FragCoord; bool gl_FrontFacing; mediump vec4 gl_FragColor; mediump vec4 gl_FragData[gl_MaxDrawBuffers]; mediump vec2 gl_PointCoord;