Rename from review.

Author: bagnell

Source/Shaders/BillboardCollectionVS.glsl

@@ -39,7 +39,7 @@ const float SHIFT_RIGHT3 = 1.0 / 8.0;
 const float SHIFT_RIGHT2 = 1.0 / 4.0;
 const float SHIFT_RIGHT1 = 1.0 / 2.0;
 
-vec4 computePositionWindowCoordinates(vec4 positionEC, vec2 imageSize, float scale, vec2 direction, vec2 origin, vec2 translate, vec2 pixelOffset, vec3 alignedAxis, bool validAlignedAxis, float rotation, bool sizeInMeters)
+vec4 addScreenSpaceOffset(vec4 positionEC, vec2 imageSize, float scale, vec2 direction, vec2 origin, vec2 translate, vec2 pixelOffset, vec3 alignedAxis, bool validAlignedAxis, float rotation, bool sizeInMeters)
 {
     // Note the halfSize cannot be computed in JavaScript because it is sent via
     // compressed vertex attributes that coerce it to an integer.
@@ -255,8 +255,8 @@ void main()
     }
 #endif
 
-    vec4 positionWC = computePositionWindowCoordinates(positionEC, imageSize, scale, direction, origin, translate, pixelOffset, alignedAxis, validAlignedAxis, rotation, sizeInMeters);
-    gl_Position = czm_projection * positionWC;
+    positionEC = addScreenSpaceOffset(positionEC, imageSize, scale, direction, origin, translate, pixelOffset, alignedAxis, validAlignedAxis, rotation, sizeInMeters);
+    gl_Position = czm_projection * positionEC;
     v_textureCoordinates = textureCoordinates;
 
 #ifdef LOG_DEPTH