diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class1/deferred/shadowAlphaMaskF.glsl')
| -rw-r--r-- | indra/newview/app_settings/shaders/class1/deferred/shadowAlphaMaskF.glsl | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/shadowAlphaMaskF.glsl b/indra/newview/app_settings/shaders/class1/deferred/shadowAlphaMaskF.glsl new file mode 100644 index 0000000000..615317febf --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/deferred/shadowAlphaMaskF.glsl @@ -0,0 +1,45 @@ +/** + * @file shadowAlphaMaskF.glsl + * + * $LicenseInfo:firstyear=2011&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2011, 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 + * $/LicenseInfo$ + */ + +uniform float minimum_alpha; +uniform float maximum_alpha; + +uniform sampler2D diffuseMap; + +varying vec4 post_pos; + +void main() +{ + float alpha = texture2D(diffuseMap, gl_TexCoord[0].xy).a * gl_Color.a; + + if (alpha < minimum_alpha || alpha > maximum_alpha) + { + discard; + } + + gl_FragColor = vec4(1,1,1,1); + + gl_FragDepth = max(post_pos.z/post_pos.w*0.5+0.5, 0.0); +} |