On Sun, 14 Apr 2019 12:57:48 +0200 Erwin Burema <[email protected]> wrote:
> --- > .../cm_wayland_calibration.xml | 106 ++++++++++++++++++ > 1 file changed, 106 insertions(+) > create mode 100644 > unstable/color-manager-calibration/cm_wayland_calibration.xml > > diff --git a/unstable/color-manager-calibration/cm_wayland_calibration.xml > b/unstable/color-manager-calibration/cm_wayland_calibration.xml > new file mode 100644 > index 0000000..be9bb4b > --- /dev/null > +++ b/unstable/color-manager-calibration/cm_wayland_calibration.xml > + <interface name="zcm_output_cal_v1" version="1"> > + <description summary="Main calibration profiling interface"> > + With this interface an calibration/profiling application can send > needed colors to the display, the compositors is responsible for placing the > colors (with the help of the user since we can't know the physical location > of the measurement device) > + </description> > + > + <enum name="bitdepth"> > + <entry name="8bit" value="0" summary="8 Bit display" /> > + <entry name="10bit" value="1" summary="10 Bit display" /> > + <entry name="12bit" value="2" summary="12 Bit display" /> > + <entry name="14bit" value="3" summary="14 Bit display" /> > + </enum> > + > + <event name="display_depth"> > + <description summary="Event send to inform application of display > depth"/> > + <arg name="depth" type="uint" enum="bitdepth" /> > + </event> > + > + <request name="set_color"> > + <description summary="Request a color to be set to an area within > output"> > + This request is semd to set a specific color to an output, this > color needs to be pushed to the screen as directly as possible (unless the > bool use_profile is true and with the exception of the HW LUT of the graphics > card or display itself) and preferably on top of everything else. The > compositor is responsible to place the output area inside the output. > + </description> > + <arg name="red" type="uint" summary="Red component of color, only > least significant n bit are used where n depends on bitdepth of display" /> > + <arg name="green" type="uint" summary="Green component of color, only > least significant n bit are used where n depends on bitdepth of display" /> > + <arg name="blue" type="uint" summary="Blue component of color, only > least significant n bit are used where n depends on bitdepth of display" /> > + <arg name="use_profile" type="bool" allow-null="true" summary="If > profile should be applied, used to verify profile. If not set assume false"/> > + </request> Hi, would you not need a corresponding event to know the compositor has shown the requested color? It could be as simple as a new_id argument with wl_callback interface. wl_display.sync would not do, because a compositor does not repaint as part of a request handler. Repaints happen asynchronously. You might also need an event for "user cancelled the operation", implying that what is on the screen is no longer what the client wanted and the client should start from scratch if it wants to continue. Thanks, pq
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