diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class1/interface/twotexturecompareF.glsl')
| -rw-r--r-- | indra/newview/app_settings/shaders/class1/interface/twotexturecompareF.glsl | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/indra/newview/app_settings/shaders/class1/interface/twotexturecompareF.glsl b/indra/newview/app_settings/shaders/class1/interface/twotexturecompareF.glsl new file mode 100644 index 0000000000..050114b37e --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/interface/twotexturecompareF.glsl @@ -0,0 +1,41 @@ +/** + * @file twotexturecompareF.glsl + * + * $LicenseInfo:firstyear=2007&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2007, 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 + * $/LicenseInfo$ + */ + +#ifdef DEFINE_GL_FRAGCOLOR +out vec4 frag_color; +#else +#define frag_color gl_FragColor +#endif + +uniform sampler2D tex0; +uniform sampler2D tex1; + +VARYING vec2 vary_texcoord0; +VARYING vec2 vary_texcoord1; + +void main() +{ + frag_color = abs(texture2D(tex0, vary_texcoord0.xy) - texture2D(tex1, vary_texcoord0.xy)); +} |