Make DeleteFramebuffer rebind fbo backbuffer

Make DeleteFramebuffer rebind fbo backbuffer

Note: This is a kind of temporary fix. The fill fix is tracked
in issue 102412

TEST=unit tests
BUG=none

R=alokp@chromium.org


Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=108070

[greggman, 2011-10-31 20:51:19]

Hey Alok, please review when you get a chance.

This is a temp fix to hopefully stop blocking your work. The full fix is tracked
here

http://code.google.com/p/chromium/issues/detail?id=102412

[alokp, 2011-10-31 21:00:54]

lgtm

Thanks for working on it!

http://codereview.chromium.org/8387045/diff/1/gpu/command_buffer/service/gles...
File gpu/command_buffer/service/gles2_cmd_decoder.cc (right):

http://codereview.chromium.org/8387045/diff/1/gpu/command_buffer/service/gles...
gpu/command_buffer/service/gles2_cmd_decoder.cc:2180: GLenum target =
supports_seperate_framebuffer_binds ?
It seems in cases where (bound_draw_framebuffer_ == bound_read_framebuffer_) you
will be calling glBindFramebufferEXT(GL_FRAMEBUFFER, GetBackbufferServiceId())
twice. Is it worth optimizing?

[commit-bot: I haz the power, 2011-11-01 02:13:49]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/gman@chromium.org/8387045/1

[commit-bot: I haz the power, 2011-11-01 03:29:12]

Change committed as 108070