secondlife/viewer#1883: (WIP) Alpha paint queue

1 files changed, 39 insertions, 0 deletions

diff --git a/indra/newview/app_settings/shaders/class1/interface/terrainStampV.glsl b/indra/newview/app_settings/shaders/class1/interface/terrainStampV.glsl
new file mode 100644
index 0000000000..294fa6be26
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/interface/terrainStampV.glsl
@@ -0,0 +1,39 @@
+/**
+ * @file terrainStampV.glsl
+ *
+ * $LicenseInfo:firstyear=2007&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2024, 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 modelview_projection_matrix;
+uniform vec2 terrain_stamp_scale;
+
+in vec3 position;
+
+out vec2 vary_texcoord0;
+
+void main()
+{
+    gl_Position = modelview_projection_matrix * vec4(position, 1.0);
+    // Positions without transforms are treated as UVs for the purpose of this shader.
+    vary_texcoord0.xy = terrain_stamp_scale * position.xy;
+}
+