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Merge branch 'main' into 'main'
secure-display-v1: new protocol See merge request wayland/wayland-protocols!198
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SophiaG
commit
935d0081a2
3 changed files with 117 additions and 0 deletions
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@ -75,6 +75,7 @@ staging_protocols = {
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'xdg-toplevel-icon': ['v1'],
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'xdg-toplevel-icon': ['v1'],
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'xdg-toplevel-tag': ['v1'],
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'xdg-toplevel-tag': ['v1'],
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'xwayland-shell': ['v1'],
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'xwayland-shell': ['v1'],
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'secure-display':['v1'],
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}
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}
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experimental_protocols = {
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experimental_protocols = {
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4
staging/secure-display/README
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4
staging/secure-display/README
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@ -0,0 +1,4 @@
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Linux secure display protocol
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Maintainers:
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Sophia Gong <lili.gong@amd.com>
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112
staging/secure-display/secure-display-v1.xml
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112
staging/secure-display/secure-display-v1.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<protocol name="secure_display_v1">
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<copyright>
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Copyright © 2023 Advanced Micro Devices, Inc.
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice (including the next
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paragraph) shall be included in all copies or substantial portions of the
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Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS IN THE SOFTWARE.
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</copyright>
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<description summary="secure display">
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This protocol allows compositors to calculate pixel R/G/B channel CRC-16
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of specified screen region of interest for security check.
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Warning! The protocol described in this file is currently in the testing
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phase. Backward compatible changes may be added together with the
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corresponding interface version bump. Backward incompatible changes can
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only be done by creating a new major version of the extension.
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</description>
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<interface name="wp_secure_display_manager_v1" version="1">
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<description summary="manage secure_display objects">
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A global factory interface for secure_display objects.
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</description>
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<request name="destroy" type="destructor">
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<description summary="destroy the secure_display_manager object">
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Using this request a client can tell the server that it is not going to use
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the secure_display_manager object anymore.
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</description>
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</request>
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<request name="create_secure_output">
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<description summary="create a secure display crtc for a given wl_output">
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Create a secure display crtc interface to handle roi request and crc comparison.
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</description>
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<arg name="id" type="new_id" interface="wp_secure_display_crtc_v1"/>
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<arg name="output" type="object" interface="wl_output"/>
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</request>
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</interface>
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<interface name="wp_secure_display_crtc_v1" version="1">
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<description summary="secure display output crtc">
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An interface to implement secure display on an assigned crtc. it will send roi request
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to display driver and read back crc calculated by display controller.
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</description>
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<request name="destroy" type="destructor">
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<description summary="destroy the secure display output">
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</description>
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</request>
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<request name="set_roi">
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<description summary="set display screen region of interest">
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Clients send request to set screen roi.
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</description>
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<arg name="x_start" type="int" summary="start x of roi"/>
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<arg name="y_start" type="int" summary="start y of roi"/>
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<arg name="x_end" type="int" summary="end x of roi"/>
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<arg name="y_end" type="int" summary="end y of roi"/>
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<arg name="secure_display_enable" type="int" summary="enable secure display check"/>
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</request>
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<request name="get_crc">
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<description summary="to read r/g/b crc-16 from drm-backend">
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Clients send request to read back crc-16 for specified roi.
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</description>
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</request>
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<event name="rgb_crc">
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<description summary="read back from compositors' drm-backend">
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</description>
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<arg name="r_crc" type="uint" summary="read back r crc-16 value"/>
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<arg name="g_crc" type="uint" summary="read back g crc-16 value"/>
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<arg name="b_crc" type="uint" summary="read back b crc-16 value"/>
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<arg name="frame_count" type="uint" summary="record frame number to generate crc"/>
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<arg name="x_start" type="int" summary="read back crc relevant roi"/>
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<arg name="y_start" type="int" summary="read back crc relevant roi"/>
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<arg name="x_end" type="int" summary="read back crc relevant roi"/>
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<arg name="y_end" type="int" summary="read back crc relevant roi"/>
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</event>
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<event name="crtc_out_fence">
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<description summary="send crtc out fence to client">
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out-fence is to synchronize between weston compositor and drm display driver about
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crc-16 read back.
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</description>
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<arg name="out_fence" type="int" summary="out fence for synchronization"/>
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</event>
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<event name="done">
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<description summary="crc-16 is read back for security check">
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</description>
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</event>
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</interface>
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</protocol>
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