X-Git-Url: http://review.tizen.org/git/?p=platform%2Fcore%2Fuifw%2Fdali-toolkit.git;a=blobdiff_plain;f=dali-toolkit%2Finternal%2Fgraphics%2Fshaders%2Fprimitive-visual-shader.vert;h=12002941ddd878c898aa9a743544f2b2cc24b083;hp=6605bc6c7667d7e1e8629dd6563bbc0b59bc11e0;hb=a6e73b84ce0442ad28197c3ef2ed1b48fa682508;hpb=e4d638dd0b325673bbd504aef409676fc5593a9d

diff --git a/dali-toolkit/internal/graphics/shaders/primitive-visual-shader.vert b/dali-toolkit/internal/graphics/shaders/primitive-visual-shader.vert
index 6605bc6..1200294 100644
--- a/dali-toolkit/internal/graphics/shaders/primitive-visual-shader.vert
+++ b/dali-toolkit/internal/graphics/shaders/primitive-visual-shader.vert
@@ -1,3 +1,5 @@
+//A simple shader that applies diffuse lighting to a mono-coloured object.
+
 attribute highp vec3 aPosition;
 attribute highp vec2 aTexCoord;
 attribute highp vec3 aNormal;
@@ -25,9 +27,9 @@ vec4 ComputeVertexPosition()
   float scaleFactor = min( visualSize.x / uObjectDimensions.x, visualSize.y / uObjectDimensions.y );
   vec3 originFlipY =vec3(origin.x, -origin.y, 0.0);
   vec3 anchorPointFlipY = vec3( anchorPoint.x, -anchorPoint.y, 0.0);
-  vec3 offset = vec3( ( offset / uSize.xy ) * offsetSizeMode.xy + offset * (1.0-offsetSizeMode.xy), 0.0) * vec3(1.0,-1.0,1.0);
+  vec3 visualOffset = vec3( offset * offsetSizeMode.xy + offset * uSize.xy * (1.0-offsetSizeMode.xy), 0.0) * vec3(1.0,-1.0,1.0);
 
-  return vec4( (aPosition + anchorPointFlipY)*scaleFactor + (offset + originFlipY)*uSize, 1.0 );
+  return vec4( (aPosition + anchorPointFlipY)*scaleFactor + visualOffset + originFlipY * uSize, 1.0 );
 }
 
 void main()