diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class1/deferred/normgenF.glsl')
-rw-r--r-- | indra/newview/app_settings/shaders/class1/deferred/normgenF.glsl | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/normgenF.glsl b/indra/newview/app_settings/shaders/class1/deferred/normgenF.glsl index 05dced0026..902746366d 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/normgenF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/normgenF.glsl @@ -1,28 +1,28 @@ -/** +/** * @file normgenF.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 * $/LicenseInfo$ */ - + /*[EXTRA_CODE_HERE]*/ out vec4 frag_color; @@ -37,18 +37,18 @@ uniform float norm_scale; void main() { - float c = texture(alphaMap, vary_texcoord0).r; - - vec3 right = vec3(norm_scale, 0, (texture(alphaMap, vary_texcoord0+vec2(stepX, 0)).r-c)*255); - vec3 left = vec3(-norm_scale, 0, (texture(alphaMap, vary_texcoord0-vec2(stepX, 0)).r-c)*255); - vec3 up = vec3(0, -norm_scale, (texture(alphaMap, vary_texcoord0-vec2(0, stepY)).r-c)*255); - vec3 down = vec3(0, norm_scale, (texture(alphaMap, vary_texcoord0+vec2(0, stepY)).r-c)*255); - - vec3 norm = cross(right, down) + cross(down, left) + cross(left,up) + cross(up, right); - - norm = normalize(norm); - norm *= 0.5; - norm += 0.5; - - frag_color = vec4(norm, c); + float c = texture(alphaMap, vary_texcoord0).r; + + vec3 right = vec3(norm_scale, 0, (texture(alphaMap, vary_texcoord0+vec2(stepX, 0)).r-c)*255); + vec3 left = vec3(-norm_scale, 0, (texture(alphaMap, vary_texcoord0-vec2(stepX, 0)).r-c)*255); + vec3 up = vec3(0, -norm_scale, (texture(alphaMap, vary_texcoord0-vec2(0, stepY)).r-c)*255); + vec3 down = vec3(0, norm_scale, (texture(alphaMap, vary_texcoord0+vec2(0, stepY)).r-c)*255); + + vec3 norm = cross(right, down) + cross(down, left) + cross(left,up) + cross(up, right); + + norm = normalize(norm); + norm *= 0.5; + norm += 0.5; + + frag_color = vec4(norm, c); } |