diff options
author | Brad Kittenbrink <brad@lindenlab.com> | 2008-02-27 18:58:14 +0000 |
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committer | Brad Kittenbrink <brad@lindenlab.com> | 2008-02-27 18:58:14 +0000 |
commit | 6d52efe452aa8469e0343da1c7d108f3f52ab651 (patch) | |
tree | a87be48e9840d7fc1f7ee514d7c7f994e71fdb3c /indra/newview/app_settings/shaders/class2/windlight/skyF.glsl | |
parent | 6027ad2630b8650cabcf00628ee9b0d25bedd67f (diff) |
Merge of windlight into release (QAR-286). This includes all changes in
windlight14 which have passed QA (up through r79932).
svn merge -r 80831:80833 svn+ssh://svn.lindenlab.com/svn/linden/branches/merge_windlight14_r80620
Diffstat (limited to 'indra/newview/app_settings/shaders/class2/windlight/skyF.glsl')
-rw-r--r-- | indra/newview/app_settings/shaders/class2/windlight/skyF.glsl | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/indra/newview/app_settings/shaders/class2/windlight/skyF.glsl b/indra/newview/app_settings/shaders/class2/windlight/skyF.glsl new file mode 100644 index 0000000000..bc6d6d33ff --- /dev/null +++ b/indra/newview/app_settings/shaders/class2/windlight/skyF.glsl @@ -0,0 +1,41 @@ +/** + * @file WLSkyF.glsl + * + * Copyright (c) 2005-$CurrentYear$, Linden Research, Inc. + * $License$ + */ + +///////////////////////////////////////////////////////////////////////// +// The fragment shader for the sky +///////////////////////////////////////////////////////////////////////// + +varying vec4 vary_HazeColor; + +uniform sampler2D cloud_noise_texture; +uniform vec4 gamma; + +/// Soft clips the light with a gamma correction +vec3 scaleSoftClip(vec3 light) { + //soft clip effect: + light = 1. - clamp(light, vec3(0.), vec3(1.)); + light = 1. - pow(light, gamma.xxx); + + return light; +} + +void main() +{ + // Potential Fill-rate optimization. Add cloud calculation + // back in and output alpha of 0 (so that alpha culling kills + // the fragment) if the sky wouldn't show up because the clouds + // are fully opaque. + + vec4 color; + color = vary_HazeColor; + color *= 2.; + + /// Gamma correct for WL (soft clip effect). + gl_FragColor.rgb = scaleSoftClip(color.rgb); + gl_FragColor.a = 1.0; +} + |