vispy/vispy — pull request #300 by mfkaptan (2014-07-04 15:09:29+00:00)
Title: Update read_pixels and its docstring

- `read_pixels()` returns 3D array of pixels.
- When reading pixels we should also read the 'Alpha' values, so
instead of `gl.GL_RGB`, we should use `gl.GL_RGBA`.