[PATCH weston 2/2] compositor: Add doxygen for weston_surface_to_buffer_rect()

Derek Foreman derekf at osg.samsung.com
Thu Dec 3 14:41:26 PST 2015


On 02/12/15 01:04 AM, Pekka Paalanen wrote:
> On Tue,  1 Dec 2015 13:00:44 -0600
> Derek Foreman <derekf at osg.samsung.com> wrote:
> 
>> Signed-off-by: Derek Foreman <derekf at osg.samsung.com>
>> ---
>>  src/compositor.c | 21 ++++++++++++++++++++-
>>  1 file changed, 20 insertions(+), 1 deletion(-)
>>
>> diff --git a/src/compositor.c b/src/compositor.c
>> index 0118b67..43cd094 100644
>> --- a/src/compositor.c
>> +++ b/src/compositor.c
>> @@ -932,6 +932,24 @@ weston_surface_to_buffer(struct weston_surface *surface,
>>  	*by = floorf(byf);
>>  }
>>  
>> +/* Transform a rectangle from surface coordinates to buffer coordinates
> 
> You might need one more * on the first line to have Doxygen pick this
> up.
> 
>> + *
>> + * \param surface The surface to fetch wl_viewport and buffer transformation
>> + * from.
>> + * \param rect The rectangle to transform.
>> + * \return The transformed rectangle.
>> + *
>> + * Viewport and buffer transformations can only do translation, scaling,
>> + * and rotations in 90-degree steps. Therefore the only loss in the
>> + * conversion is coordinate rounding.
>> + *
>> + * However, some coordinate rounding takes place as an intermediate
>> + * step before the buffer scale factor is applied, so the rectangle
>> + * boundary may not be exactly as expected.
>> + *
>> + * This is OK for damage tracking since a little extra coverage is
>> + * not a problem.
>> + */
>>  WL_EXPORT pixman_box32_t
>>  weston_surface_to_buffer_rect(struct weston_surface *surface,
>>  			      pixman_box32_t rect)
>> @@ -965,7 +983,8 @@ weston_surface_to_buffer_rect(struct weston_surface *surface,
>>   *
>>   * Viewport and buffer transformations can only do translation, scaling,
>>   * and rotations in 90-degree steps. Therefore the only loss in the
>> - * conversion is coordinate flooring (rounding).
>> + * conversion is from the coordinate rounding that takes place in
>> + * \ref weston_surface_to_buffer_rect.
>>   */
>>  WL_EXPORT void
>>  weston_surface_to_buffer_region(struct weston_surface *surface,
> 
> Reviewed-by: Pekka Paalanen <pekka.paalanen at collabora.co.uk>
> 
> 
> Thanks,
> pq

Fixed and pushed.

Thanks,
Derek

> 
> 
> 
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