Adds functions to derive R/G/B/A/Stencil/Depth sizes from GL formats instead of D3D.

TRAC #21906

Signed-off-by: Daniel Koch

Author:    Shannon Woods

git-svn-id: https://angleproject.googlecode.com/svn/branches/dx11proto@1366 736b8ea6-26fd-11df-bfd4-992fa37f6226
2 files changed