1 files changed, 3 insertions, 3 deletions
diff --git a/chart2/opengl/pickingVertexShader.glsl b/chart2/opengl/pickingVertexShader.glsl
index c0096917cb97..9dc5a1463a23 100644
--- a/chart2/opengl/pickingVertexShader.glsl
+++ b/chart2/opengl/pickingVertexShader.glsl
@@ -9,14 +9,14 @@
 
 #version 150 core
 
-attribute vec3 vPosition;
+in vec3 vPosition;
 uniform mat4 MVP;
 uniform mat4 M;
 uniform vec4 vColor;
 uniform float minCoordX;
 uniform float maxCoordX;
-varying vec4 fragmentColor;
-varying vec3 positionWorldspace;
+out vec4 fragmentColor;
+out vec3 positionWorldspace;
 void main()
 {
     positionWorldspace = (M * vec4(vPosition,1)).xyz;