diff options
Diffstat (limited to 'src/lib/libgamma-method.h')
| -rw-r--r-- | src/lib/libgamma-method.h | 32 |
1 files changed, 30 insertions, 2 deletions
diff --git a/src/lib/libgamma-method.h b/src/lib/libgamma-method.h index fc402ec..6e0cff1 100644 --- a/src/lib/libgamma-method.h +++ b/src/lib/libgamma-method.h @@ -473,6 +473,29 @@ typedef enum libgamma_subpixel_order /** + * Answer enum to a decision problem. + */ +typedef enum libgamma_decision + { + /** + * The answer is negative. + */ + LIBGAMMA_NO = 0, + + /** + * The answer is unknown. + */ + LIBGAMMA_MAYBE = 1, + + /** + * The answer is positive. + */ + LIBGAMMA_YES = 2 + + } libgamma_decision_t; + + +/** * For a `libgamma_crtc_information_t` fill in the * values for `edid` and `edid_length` and report errors to `edid_error`. */ @@ -755,9 +778,14 @@ typedef struct libgamma_crtc_information /** - * Non-zero gamma ramp adjustments are supported. + * `LIBGAMMA_NO` indicates that the CRTC does not support + * gamma ramp adjustments. `LIBGAMMA_MAYBE` indicates that + * the CRTC may or may not support gamma ramp adjustments, + * meaning that the display server really does not know, but + * the protocol is available. `LIBGAMMA_NO` indicates that + * the CRTC does support gamma ramp adjustments. */ - int gamma_support; + libgamma_decision_t gamma_support; /** * Zero on success, positive it holds the value `errno` had |