diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class1/windlight/sunDiscF.glsl')
| -rw-r--r-- | indra/newview/app_settings/shaders/class1/windlight/sunDiscF.glsl | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/indra/newview/app_settings/shaders/class1/windlight/sunDiscF.glsl b/indra/newview/app_settings/shaders/class1/windlight/sunDiscF.glsl new file mode 100644 index 0000000000..0eb32b69b8 --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/windlight/sunDiscF.glsl @@ -0,0 +1,54 @@ +/** + * @file sunDiscF.glsl + * + * $LicenseInfo:firstyear=2005&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2005, 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 + +/*[EXTRA_CODE_HERE]*/ + +#ifdef DEFINE_GL_FRAGCOLOR +out vec4 frag_color; +#else +#define frag_color gl_FragColor +#endif + +vec3 fullbrightAtmosTransport(vec3 light); +vec3 fullbrightScaleSoftClip(vec3 light); + +uniform sampler2D diffuseMap; +uniform sampler2D altDiffuseMap; +uniform float blend_factor; // interp factor between sun A/B +VARYING vec2 vary_texcoord0; + +void main() +{ + vec4 sunA = texture2D(diffuseMap, vary_texcoord0.xy); + vec4 sunB = texture2D(altDiffuseMap, vary_texcoord0.xy); + vec4 c = mix(sunB, sunA, blend_factor); + c.rgb = pow(c.rgb, vec3(0.45f)); + c.rgb = fullbrightAtmosTransport(c.rgb); + c.rgb = fullbrightScaleSoftClip(c.rgb); + frag_color = c; +} + |