make GL 3.0 support bars scroll

Change-Id: I71d8d94f410e6c67d0e188ea2e0f79eb151758e0

1 files changed, 6 insertions, 2 deletions

diff --git a/chart2/opengl/shape3DVertexShaderV300.glsl b/chart2/opengl/shape3DVertexShaderV300.glsl
index 6737004cb914..a8da294fb3cd 100644
--- a/chart2/opengl/shape3DVertexShaderV300.glsl
+++ b/chart2/opengl/shape3DVertexShaderV300.glsl
@@ -16,12 +16,16 @@ uniform mat4 P;
 uniform mat4 M;
 uniform mat4 V;
 uniform mat3 normalMatrix;
+uniform float minCoordX;
+uniform float maxCoordX;
 
 void main()
 {
-    gl_Position =  P * V * M * vec4(vertexPositionModelspace,1);
+	  positionWorldspace = (M * vec4(vertexPositionModelspace,1)).xyz;
 
-    positionWorldspace = (M * vec4(vertexPositionModelspace,1)).xyz;
+	  positionWorldspace.x = clamp(positionWorldspace.x, minCoordX, maxCoordX);
+
+	  gl_Position =  P * V * vec4(positionWorldspace,1);
 
     normalCameraspace = normalize(mat3(V) * normalMatrix * vertexNormalModelspace);
 }