1 files changed, 49 insertions, 0 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl b/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl
new file mode 100644
index 0000000000..4b98e6708f
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl
@@ -0,0 +1,49 @@
+/**
+* @file materialF.glsl
+*
+* $LicenseInfo:firstyear=2023&license=viewerlgpl$
+* Second Life Viewer Source Code
+* Copyright (C) 2023, 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]*/
+
+// debug stub
+
+#define DIFFUSE_ALPHA_MODE_BLEND    1
+
+#if (DIFFUSE_ALPHA_MODE == DIFFUSE_ALPHA_MODE_BLEND)
+out vec4 frag_color;
+#else
+out vec4 frag_data[3];
+#endif
+
+void main()
+{
+#if (DIFFUSE_ALPHA_MODE == DIFFUSE_ALPHA_MODE_BLEND)
+    frag_color = vec4(0.5, 0, 1, 0.5);
+#else // mode is not DIFFUSE_ALPHA_MODE_BLEND, encode to gbuffer 
+    // deferred path               // See: C++: addDeferredAttachment(), shader: softenLightF.glsl
+    frag_data[0] = vec4(0.5, 0, 1, 0);    // gbuffer is sRGB for legacy materials
+    frag_data[1] = vec4(0); // XYZ = Specular color. W = Specular exponent.
+    frag_data[2] = vec4(0); // XY = Normal.  Z = Env. intensity. W = 1 skip atmos (mask off fog)
+#endif
+}
+