Robert Bragg b566170836 make COGL_FEATURE_STENCIL_BUFFER private
Although we have to leave the COGL_FEATURE_STENCIL_BUFFER enum as part
of the public api we no longer ever set this feature flag.

Cogl doesn't currently expose the concept of a stencil buffer in the
public api (we only indirectly expose it via the clip stack api) so it
doesn't make much sense to have a stencil buffer feature flag.

We now have a COGL_PRIVATE_FEATURE_STENCIL_BUFFER flag instead which
we can check when we need to use the buffer for clipping.

Reviewed-by: Neil Roberts <neil@linux.intel.com>
2011-11-01 12:03:00 +00:00
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2011-09-06 11:19:20 +01:00
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