implement new struct and shaders for picking

Change-Id: Ib3e08d69c031aa3130b10c0745119cf5935d86db

2 files changed, 38 insertions, 0 deletions

diff --git a/chart2/opengl/pickingFragmentShader.glsl b/chart2/opengl/pickingFragmentShader.glsl
new file mode 100644
index 000000000000..805789e731ed
--- /dev/null
+++ b/chart2/opengl/pickingFragmentShader.glsl
@@ -0,0 +1,17 @@
+/* -*- 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/.
+ */
+
+varying vec4 fragmentColor;
+
+void main()
+{
+    gl_FragColor = fragmentColor;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/chart2/opengl/pickingVertexShader.glsl b/chart2/opengl/pickingVertexShader.glsl
new file mode 100644
index 000000000000..f32e3fd38a91
--- /dev/null
+++ b/chart2/opengl/pickingVertexShader.glsl
@@ -0,0 +1,21 @@
+/* -*- 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/.
+ */
+
+attribute vec3 vPosition;
+uniform mat4 MVP;
+uniform vec4 vColor;
+varying vec4 fragmentColor;
+
+void main()
+{
+    gl_Position =  MVP * vec4(vPosition, 1);
+    fragmentColor = vColor;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */