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.

1 files changed, 51 insertions, 0 deletions

diff --git a/indra/newview/app_settings/shaders/class3/deferred/attachmentShadowV.glsl b/indra/newview/app_settings/shaders/class3/deferred/attachmentShadowV.glsl
new file mode 100644
index 0000000000..3be9cb3de8
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class3/deferred/attachmentShadowV.glsl
@@ -0,0 +1,51 @@
+/** 
+ * @file attachmentShadowV.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
+ * $/LicenseInfo$
+ */
+
+uniform mat4 projection_matrix;
+uniform mat4 modelview_matrix;
+uniform mat4 texture_matrix0;
+
+ATTRIBUTE vec3 position;
+ATTRIBUTE vec2 texcoord0;
+
+mat4 getObjectSkinnedTransform();
+
+VARYING vec4 pos;
+
+void main()
+{
+	//transform vertex
+	mat4 mat = getObjectSkinnedTransform();
+	
+	mat = modelview_matrix * mat;
+	pos = (mat*vec4(position.xyz, 1.0));
+	pos = projection_matrix * vec4(pos.xyz, 1.0);
+
+#if !DEPTH_CLAMP
+	pos.z = max(pos.z, -pos.w+0.01);
+	gl_Position = pos;
+#else
+	gl_Position = pos;
+#endif
+}