Improve TranslatedVertexBuffer::map performance

TRAC #11392

- For small draws, load stride 0 streams into regular streaming buffer

Signed-off-by: Shannon Woods
Signed-off-by: Daniel Koch

Author:    Andrew Lewycky

git-svn-id: https://angleproject.googlecode.com/svn/trunk@265 736b8ea6-26fd-11df-bfd4-992fa37f6226
2 files changed