diff options
| -rw-r--r-- | drape/attribute_provider.cpp | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drape/attribute_provider.cpp b/drape/attribute_provider.cpp index df6274f03a..1710871abd 100644 --- a/drape/attribute_provider.cpp +++ b/drape/attribute_provider.cpp @@ -54,12 +54,16 @@ void AttributeProvider::Advance(uint16_t vertexCount) { ASSERT_LESS_OR_EQUAL(vertexCount, m_vertexCount, ()); CHECK_STREAMS; - for (size_t i = 0; i < GetStreamCount(); ++i) + + if (m_vertexCount != vertexCount) { - const BindingInfo & info = m_streams[i].m_binding; - uint32_t offset = vertexCount * info.GetElementSize(); - void * rawPointer = m_streams[i].m_data.GetRaw(); - m_streams[i].m_data = MakeStackRefPointer((void *)(((uint8_t *)rawPointer) + offset)); + for (size_t i = 0; i < GetStreamCount(); ++i) + { + const BindingInfo & info = m_streams[i].m_binding; + uint32_t offset = vertexCount * info.GetElementSize(); + void * rawPointer = m_streams[i].m_data.GetRaw(); + m_streams[i].m_data = MakeStackRefPointer((void *)(((uint8_t *)rawPointer) + offset)); + } } m_vertexCount -= vertexCount; |