summaryrefslogtreecommitdiff
path: root/indra/newview/app_settings/shaders/class1/deferred/srgb.glsl
diff options
context:
space:
mode:
Diffstat (limited to 'indra/newview/app_settings/shaders/class1/deferred/srgb.glsl')
-rw-r--r--indra/newview/app_settings/shaders/class1/deferred/srgb.glsl61
1 files changed, 0 insertions, 61 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/srgb.glsl b/indra/newview/app_settings/shaders/class1/deferred/srgb.glsl
deleted file mode 100644
index bc3324f543..0000000000
--- a/indra/newview/app_settings/shaders/class1/deferred/srgb.glsl
+++ /dev/null
@@ -1,61 +0,0 @@
-/**
- * @file srgb.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
- * $/LicenseInfo$
- */
-
-vec3 rgb2hsv(vec3 c)
-{
- vec4 K = vec4(0.0, -1.0 / 3.0, 2.0 / 3.0, -1.0);
- vec4 p = mix(vec4(c.bg, K.wz), vec4(c.gb, K.xy), step(c.b, c.g));
- vec4 q = mix(vec4(p.xyw, c.r), vec4(c.r, p.yzx), step(p.x, c.r));
-
- float d = q.x - min(q.w, q.y);
- float e = 1.0e-10;
- return vec3(abs(q.z + (q.w - q.y) / (6.0 * d + e)), d / (q.x + e), q.x);
-}
-
-vec3 hsv2rgb(vec3 c)
-{
- vec4 K = vec4(1.0, 2.0 / 3.0, 1.0 / 3.0, 3.0);
- vec3 p = abs(fract(c.xxx + K.xyz) * 6.0 - K.www);
- return c.z * mix(K.xxx, clamp(p - K.xxx, 0.0, 1.0), c.y);
-}
-
-vec3 srgb_to_linear(vec3 cs)
-{
- vec3 low_range = cs / vec3(12.92);
- vec3 high_range = pow((cs+vec3(0.055))/vec3(1.055), vec3(2.4));
-
- bvec3 lte = lessThanEqual(cs,vec3(0.04045));
- return mix(high_range, low_range, lte);
-}
-
-vec3 linear_to_srgb(vec3 cl)
-{
- cl = clamp(cl, vec3(0), vec3(1));
- vec3 low_range = cl * 12.92;
- vec3 high_range = 1.055 * pow(cl, vec3(0.41666)) - 0.055;
-
- bvec3 lt = lessThan(cl,vec3(0.0031308));
- return mix(high_range, low_range, lt);
-}