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/** 
 * @file class1/deferred/globalF.glsl
 *
 * $LicenseInfo:firstyear=2024&license=viewerlgpl$
 * Second Life Viewer Source Code
 * Copyright (C) 2024, Linden Research, Inc.
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation;
 * version 2.1 of the License only.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 * 
 * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
 * $/LicenseInfo$
 */


 // Global helper functions included in every fragment shader
 // DO NOT declare sampler uniforms here as OS X doesn't compile
 // them out

uniform float mirror_flag;
uniform vec4 clipPlane;
uniform float clipSign;

void mirrorClip(vec3 pos)
{
    if (mirror_flag > 0.0)
    {
        if ((dot(pos.xyz, clipPlane.xyz) + clipPlane.w) < 0.0)
        {
                discard;
        }
    }
}