Upgrade VAF to not split up un-indexed verts into 64k chunks.

emackey · Apr 9, 2015 · 1bdcab5 · 1bdcab5
1 parent 4adcff3
commit 1bdcab5
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/Source/Renderer/VertexArrayFacade.js b/Source/Renderer/VertexArrayFacade.js
@@ -325,7 +325,7 @@ define([
             destroyVA(this);
             var va = this.va = [];
 
-            var numberOfVertexArrays = Math.ceil(this._size / CesiumMath.SIXTY_FOUR_KILOBYTES);
+            var numberOfVertexArrays = defined(indexBuffer) ? Math.ceil(this._size / CesiumMath.SIXTY_FOUR_KILOBYTES) : 1;
             for ( var k = 0; k < numberOfVertexArrays; ++k) {
                 var attributes = [];
                 for (var usage in buffersByUsage) {
@@ -340,7 +340,7 @@ define([
                 va.push({
                     va : this._context.createVertexArray(attributes, indexBuffer),
                     indicesCount : 1.5 * ((k !== (numberOfVertexArrays - 1)) ? CesiumMath.SIXTY_FOUR_KILOBYTES : (this._size % CesiumMath.SIXTY_FOUR_KILOBYTES))
-                // TODO: not hardcode 1.5
+                // TODO: not hardcode 1.5, this assumes 6 indicies per 4 vertices (as for Billboard quads).
                 });
             }
         }