Don't call into driver for unsupported extensions.
commit680aa41d3d4268f1930d8b71e99611e473fe179a
authorsievers@chromium.org <sievers@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>
Thu, 31 Oct 2013 18:08:01 +0000 (31 18:08 +0000)
committersievers@chromium.org <sievers@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>
Thu, 31 Oct 2013 18:08:01 +0000 (31 18:08 +0000)
tree434b5c3bed08e53b9ca500b2d0838d6625284304
parent3a6b0022bab9250abd91b7ae085451f4dc7f4495
Don't call into driver for unsupported extensions.

Check extension availability for glDiscardFramebufferEXT()
and glBlitFramebufferEXT().

Adds some tests for glDiscardFramebuffer() also.

Review URL: https://codereview.chromium.org/46673007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@232165 0039d316-1c4b-4281-b951-d872f2087c98
gpu/command_buffer/service/feature_info.cc
gpu/command_buffer/service/feature_info.h
gpu/command_buffer/service/feature_info_unittest.cc
gpu/command_buffer/service/gles2_cmd_decoder.cc
gpu/command_buffer/service/gles2_cmd_decoder_unittest.cc