From 1585f3ef1989225ce993937cb03b2c84834f1c82 Mon Sep 17 00:00:00 2001
From: Francisco Santos <f1.santos@samsung.com>
Date: Wed, 29 Apr 2015 17:21:43 +0100
Subject: [PATCH] Use UNSIGNED_INTEGER for index buffers.

Change-Id: I0ae54acb4f1231f1b0bb3ccafaceded41f836b2b
---
 dali/internal/render/renderers/render-geometry.cpp     |  2 +-
 .../renderers/render-renderer-property-buffer.cpp      | 18 +++++++++++++++++-
 2 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/dali/internal/render/renderers/render-geometry.cpp b/dali/internal/render/renderers/render-geometry.cpp
index 5987979..1a7044d 100644
--- a/dali/internal/render/renderers/render-geometry.cpp
+++ b/dali/internal/render/renderers/render-geometry.cpp
@@ -180,7 +180,7 @@ void RenderGeometry::Draw( Context& context, BufferIndex bufferIndex, const Rend
   unsigned int numIndices = 0;
   if( indexBuffer )
   {
-    numIndices = /* TODO: MESH_REWORK remove this 2, should implement unsigned short properties  */ 2 * indexBuffer->GetDataSize(bufferIndex) / indexBuffer->GetElementSize(bufferIndex);
+    numIndices = indexBuffer->GetDataSize(bufferIndex) / indexBuffer->GetElementSize(bufferIndex);
   }
 
   switch(type)
diff --git a/dali/internal/render/renderers/render-renderer-property-buffer.cpp b/dali/internal/render/renderers/render-renderer-property-buffer.cpp
index aae5f02..714df70 100644
--- a/dali/internal/render/renderers/render-renderer-property-buffer.cpp
+++ b/dali/internal/render/renderers/render-renderer-property-buffer.cpp
@@ -61,7 +61,23 @@ void RenderPropertyBuffer::Upload( Context& context, BufferIndex bufferIndex )
   if ( ! hasGpuBuffer || mDataProvider.HasDataChanged( bufferIndex ) )
   {
     std::size_t dataSize = mDataProvider.GetDataSize( bufferIndex );
-    mGpuBuffer->UpdateDataBuffer( dataSize, &(mDataProvider.GetData( bufferIndex )[0]) );
+
+    const void *data = &(mDataProvider.GetData( bufferIndex )[0]);
+
+    // Index buffer needs to be unsigned short which is not supported by the property system
+    if( mGpuBufferTarget == GpuBuffer::ELEMENT_ARRAY_BUFFER )
+    {
+      Vector<unsigned short> ushortData;
+      ushortData.Resize( dataSize );
+      const unsigned int* unsignedData = static_cast<const unsigned int*>(data);
+      for( unsigned int i = 0; i < dataSize; ++i )
+      {
+        ushortData[i] = unsignedData[i];
+      }
+      data = &(ushortData[0]);
+    }
+
+    mGpuBuffer->UpdateDataBuffer( dataSize, data );
     mGpuBuffer->SetStride( mDataProvider.GetElementSize( bufferIndex ) );
   }
 }
-- 
2.7.4