commit | b85b315ebbe25efbd118887bdc87a562d4334fcc | [log] [tgz] |
---|---|---|
author | Brian Paul <brianp@vmware.com> | Fri May 01 12:25:42 2009 -0600 |
committer | Brian Paul <brianp@vmware.com> | Fri May 01 12:25:42 2009 -0600 |
tree | 1db456c924ce8f0247f56c27c409d5dc9a122127 | |
parent | 30b3d800917cc5b41ec508fd38a0ae1da8624a36 [diff] |
st: added st_renderbuffer::defined flag Indicates whether there's defined image contents, or garbage/don't care. This is set when we draw into a renderbuffer and cleared when we resize/ reallocate a renderbuffer or do a buffer swap (back buffer becomes undefined). We use this to determine whether the front color buffer has been drawn to, and whether to display its contents upon glFlush/Finish(), when the new st_swapbuffers() function is used.