Backlog/tools/trenchbroom/shader/MapBounds.fragsh

35 lines
1.2 KiB
Plaintext

/*
Copyright (C) 2010 Kristian Duske
This file is part of TrenchBroom.
TrenchBroom is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
TrenchBroom 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with TrenchBroom. If not, see <http://www.gnu.org/licenses/>.
*/
uniform bool ShowSoftMapBounds;
uniform vec3 SoftMapBoundsMin;
uniform vec3 SoftMapBoundsMax;
uniform vec4 SoftMapBoundsColor;
vec3 applySoftMapBoundsTint(vec3 inputFragColor, vec3 worldCoords) {
if (ShowSoftMapBounds) {
bool outside = any(greaterThan(worldCoords, SoftMapBoundsMax)) || any(lessThan(worldCoords, SoftMapBoundsMin));
if (outside) {
return mix(gl_FragColor.rgb, SoftMapBoundsColor.rgb, SoftMapBoundsColor.a);
}
}
return inputFragColor;
}