libgui: have ST::updateTexImage check the GL ctx

This change adds a check to SurfaceTexture::updateTexImage to verify
that the current GL context is the same as the one that was used for
previous updateTexImage calls.

Change-Id: If02d2f787bcfdb528046dc9ddf6665f8a90e1bf4
3 files changed
tree: 45f594137888015d8d3ffea586da786e3be13bc7
  1. cmds/
  2. include/
  3. libs/
  4. opengl/
  5. services/
  6. MODULE_LICENSE_APACHE2
  7. NOTICE