Detect draws that would read outside the vertex buffer.

TRAC #12340

Signed-off-by: Nicolas Capens
Signed-off-by: Daniel Koch

Author:    Andrew Lewycky

git-svn-id: https://angleproject.googlecode.com/svn/trunk@308 736b8ea6-26fd-11df-bfd4-992fa37f6226
3 files changed