diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class1/effects/glowExtractF.glsl')
| -rw-r--r-- | indra/newview/app_settings/shaders/class1/effects/glowExtractF.glsl | 30 |
1 files changed, 26 insertions, 4 deletions
diff --git a/indra/newview/app_settings/shaders/class1/effects/glowExtractF.glsl b/indra/newview/app_settings/shaders/class1/effects/glowExtractF.glsl index 32f5f5f236..9a3d792224 100644 --- a/indra/newview/app_settings/shaders/class1/effects/glowExtractF.glsl +++ b/indra/newview/app_settings/shaders/class1/effects/glowExtractF.glsl @@ -2,13 +2,33 @@ * @file glowExtractF.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 * $/LicenseInfo$ */ - - #extension GL_ARB_texture_rectangle : enable +#ifdef DEFINE_GL_FRAGCOLOR +out vec4 gl_FragColor; +#endif + uniform sampler2DRect diffuseMap; uniform float minLuminance; uniform float maxExtractAlpha; @@ -16,10 +36,11 @@ uniform vec3 lumWeights; uniform vec3 warmthWeights; uniform float warmthAmount; +VARYING vec2 vary_texcoord0; + void main() { - vec4 col = texture2DRect(diffuseMap, gl_TexCoord[0].xy); - + vec4 col = texture2DRect(diffuseMap, vary_texcoord0.xy); /// CALCULATING LUMINANCE (Using NTSC lum weights) /// http://en.wikipedia.org/wiki/Luma_%28video%29 float lum = smoothstep(minLuminance, minLuminance+1.0, dot(col.rgb, lumWeights ) ); @@ -27,4 +48,5 @@ void main() gl_FragColor.rgb = col.rgb; gl_FragColor.a = max(col.a, mix(lum, warmth, warmthAmount) * maxExtractAlpha); + } |