1 files changed, 25 insertions, 0 deletions
diff --git a/canvas/opengl/rectangularTwoColorGradientFragmentShader.glsl b/canvas/opengl/rectangularTwoColorGradientFragmentShader.glsl
new file mode 100644
index 000000000..038cdffd2
--- /dev/null
+++ b/canvas/opengl/rectangularTwoColorGradientFragmentShader.glsl
@@ -0,0 +1,25 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#version 120
+
+uniform vec4   v_startColor4d;
+uniform vec4   v_endColor4d;
+uniform mat3x2 m_transform;
+varying vec2   v_textureCoords2d;
+void main(void)
+{
+    vec2 v = abs( vec2(m_transform * vec3(v_textureCoords2d,1)) );
+    float t = max(v.x, v.y);
+    gl_FragColor = mix(v_startColor4d,
+            v_endColor4d,
+            1.0-t);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */