mesa: return early if mask is cleared to zero in BlitFramebuffer
authorMarek Olšák <maraeo@gmail.com>
Sun, 10 Jul 2011 18:01:33 +0000 (20:01 +0200)
committerMarek Olšák <maraeo@gmail.com>
Sun, 10 Jul 2011 19:47:20 +0000 (21:47 +0200)
commit83478e5d5944e1fc320e8cfb10ba75055bbea3fd
tree711611953b407095cf5b074832f3be7670a20d18
parent3414447011b6b25aeab22f4949a96c09cf4c5098
mesa: return early if mask is cleared to zero in BlitFramebuffer

From ARB_framebuffer_object:
    If a buffer is specified in <mask> and does not exist in both the
    read and draw framebuffers, the corresponding bit is silently
    ignored.
src/mesa/main/fbobject.c