From 54919fa7495910e6f7877228a0458736024dcdc4 Mon Sep 17 00:00:00 2001
From: Ptolemy <ptolemy@lindenlab.com>
Date: Mon, 2 May 2022 10:05:13 -0700
Subject: SL-17274: Stub for PBR DrawPool and shader

---
 .../shaders/class1/deferred/pbropaqueF.glsl        | 52 ++++++++++++++++++++++
 .../shaders/class1/deferred/pbropaqueV.glsl        | 52 ++++++++++++++++++++++
 2 files changed, 104 insertions(+)
 create mode 100644 indra/newview/app_settings/shaders/class1/deferred/pbropaqueF.glsl
 create mode 100644 indra/newview/app_settings/shaders/class1/deferred/pbropaqueV.glsl

(limited to 'indra/newview/app_settings/shaders')

diff --git a/indra/newview/app_settings/shaders/class1/deferred/pbropaqueF.glsl b/indra/newview/app_settings/shaders/class1/deferred/pbropaqueF.glsl
new file mode 100644
index 0000000000..4da64ed5ee
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/deferred/pbropaqueF.glsl
@@ -0,0 +1,52 @@
+/** 
+ * @file pbropaqueF.glsl
+ *
+ * $LicenseInfo:firstyear=2022&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2022, 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_data[3];
+#else
+#define frag_data gl_FragData
+#endif
+
+VARYING vec3 vary_normal;
+VARYING vec4 vertex_color;
+VARYING vec2 vary_texcoord0;
+
+vec2 encode_normal(vec3 n);
+vec3 linear_to_srgb(vec3 c);
+
+void main() 
+{
+	vec3 col = vertex_color.rgb * diffuseLookup(vary_texcoord0.xy).rgb;
+
+	vec3 spec;
+	spec.rgb = vec3(vertex_color.a);
+col.rgb = vec3( 1, 0, 1 ); // DEBUG
+	frag_data[0] = vec4(col, 0.0);
+	frag_data[1] = vec4(spec, vertex_color.a); // spec
+	vec3 nvn = normalize(vary_normal);
+	frag_data[2] = vec4(encode_normal(nvn.xyz), vertex_color.a, 0.0);
+}
diff --git a/indra/newview/app_settings/shaders/class1/deferred/pbropaqueV.glsl b/indra/newview/app_settings/shaders/class1/deferred/pbropaqueV.glsl
new file mode 100644
index 0000000000..7c52b77711
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/deferred/pbropaqueV.glsl
@@ -0,0 +1,52 @@
+/** 
+ * @file pbropaqueV.glsl
+ *
+ * $LicenseInfo:firstyear=2022&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2022, 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 mat3 normal_matrix;
+uniform mat4 texture_matrix0;
+uniform mat4 modelview_projection_matrix;
+
+ATTRIBUTE vec3 position;
+ATTRIBUTE vec4 diffuse_color;
+ATTRIBUTE vec3 normal;
+ATTRIBUTE vec2 texcoord0;
+
+VARYING vec3 vary_normal;
+
+VARYING vec4 vertex_color;
+VARYING vec2 vary_texcoord0;
+
+void passTextureIndex();
+
+void main()
+{
+	//transform vertex
+	gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0); 
+	vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
+	
+	passTextureIndex();
+	vary_normal = normalize(normal_matrix * normal);
+	
+	vertex_color = diffuse_color;
+}
-- 
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