Fixed issue #202.

src/renderer_d3d11.cpp

@@ -3606,15 +3606,17 @@ namespace bgfx
 				}
 
 				if (programChanged
-				||  currentState.m_vertexBuffer.idx != draw.m_vertexBuffer.idx
+				||  currentState.m_vertexDecl.idx         != draw.m_vertexDecl.idx
+				||  currentState.m_vertexBuffer.idx       != draw.m_vertexBuffer.idx
 				||  currentState.m_instanceDataBuffer.idx != draw.m_instanceDataBuffer.idx
-				||  currentState.m_instanceDataOffset != draw.m_instanceDataOffset
-				||  currentState.m_instanceDataStride != draw.m_instanceDataStride)
+				||  currentState.m_instanceDataOffset     != draw.m_instanceDataOffset
+				||  currentState.m_instanceDataStride     != draw.m_instanceDataStride)
 				{
-					currentState.m_vertexBuffer = draw.m_vertexBuffer;
+					currentState.m_vertexDecl             = draw.m_vertexDecl;
+					currentState.m_vertexBuffer           = draw.m_vertexBuffer;
 					currentState.m_instanceDataBuffer.idx = draw.m_instanceDataBuffer.idx;
-					currentState.m_instanceDataOffset = draw.m_instanceDataOffset;
-					currentState.m_instanceDataStride = draw.m_instanceDataStride;
+					currentState.m_instanceDataOffset     = draw.m_instanceDataOffset;
+					currentState.m_instanceDataStride     = draw.m_instanceDataStride;
 
 					uint16_t handle = draw.m_vertexBuffer.idx;
 					if (invalidHandle != handle)