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Diffstat (limited to 'chart2/opengl/pickingVertexShader.glsl')
-rw-r--r--chart2/opengl/pickingVertexShader.glsl2
1 files changed, 2 insertions, 0 deletions
diff --git a/chart2/opengl/pickingVertexShader.glsl b/chart2/opengl/pickingVertexShader.glsl
index df71ae170f01..d751a755dde9 100644
--- a/chart2/opengl/pickingVertexShader.glsl
+++ b/chart2/opengl/pickingVertexShader.glsl
@@ -7,6 +7,8 @@
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
+#version 130
+
attribute vec3 vPosition;
uniform mat4 MVP;
uniform mat4 M;