This change batches calls to glScissor() and removes extra GL
queries and glActiveTexture() calls.
Change-Id: I1cd079d314f87cd9c088f95c8d4909c2f860f6aa
Removes unnecessary forward class declaration, make Caches::currentBuffer
private instead of public.
Change-Id: Idba6325c8c602d89239e667cb8ec87e7943f8e75
The declaration of Singleton objects must be in CPP files (not header
files) to avoid creating separate instances of what is supposedly a
single object.
Change-Id: Ie903384824a458b5572f3ce5b6cfb359c18a9c44
