From 2312efbf3ae09013bc86a2378bed43a743f2df3e Mon Sep 17 00:00:00 2001
From: Graham Linden <graham@lindenlab.com>
Date: Fri, 4 Jan 2019 10:17:09 -0800
Subject: Add new shaders for generating shadows from clouds.

Add new class3 shadow shaders for VSM shadows.

Add disabled shadow pass in WLSky for using above.
---
 .../shaders/class3/deferred/attachmentShadowF.glsl | 44 ++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 indra/newview/app_settings/shaders/class3/deferred/attachmentShadowF.glsl

(limited to 'indra/newview/app_settings/shaders/class3/deferred/attachmentShadowF.glsl')

diff --git a/indra/newview/app_settings/shaders/class3/deferred/attachmentShadowF.glsl b/indra/newview/app_settings/shaders/class3/deferred/attachmentShadowF.glsl
new file mode 100644
index 0000000000..d973326f93
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class3/deferred/attachmentShadowF.glsl
@@ -0,0 +1,44 @@
+/** 
+ * @file avatarShadowF.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]*/
+
+#ifdef DEFINE_GL_FRAGCOLOR
+out vec4 frag_color;
+#else
+#define frag_color gl_FragColor
+#endif
+
+uniform sampler2D diffuseMap;
+
+VARYING vec4 pos;
+VARYING vec2 vary_texcoord0;
+
+vec4 computeMoments(float depth, float a);
+
+void main() 
+{
+    frag_color = computeMoments(length(pos), 1.0);
+}
+
-- 
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