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<p class="MsoNormal"><span style="font-family:"Intel Clear",sans-serif;color:#2E74B5">Hello All,
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear",sans-serif;color:#2E74B5"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear",sans-serif;color:#2E74B5">We have raised a new merge request, for the HDR implementation in Weston:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear",sans-serif;color:#2E74B5"><a href="https://gitlab.freedesktop.org/wayland/weston/merge_requests/124">https://gitlab.freedesktop.org/wayland/weston/merge_requests/124</a>
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear",sans-serif;color:#2E74B5"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear",sans-serif;color:#2E74B5">This patch series is in continuation to the design we published here:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear",sans-serif;color:#2E74B5"><a href="https://lists.freedesktop.org/archives/wayland-devel/2019-January/039808.html">https://lists.freedesktop.org/archives/wayland-devel/2019-January/039808.html</a>  <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear",sans-serif;color:#2E74B5"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear",sans-serif;color:#2E74B5">We have added a basic and limited focus implementation of HDR video playback stack, some of the testing specs are:<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="font-family:"Intel Clear",sans-serif;color:#2E74B5"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">       
</span></span></span><![endif]><span style="font-family:"Intel Clear",sans-serif;color:#2E74B5">HDR Format: P010
<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1;text-autospace:none">
<![if !supportLists]><span style="font-family:"Intel Clear",sans-serif"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">       
</span></span></span><![endif]><span style="font-family:"Intel Clear",sans-serif;color:#2E74B5">Some of the videos tested:
</span><span style="font-size:9.5pt;font-family:"Segoe UI",sans-serif"><a href="https://4kmedia.org/samsung-wonderland-two-hdr-uhd-4k-demo">https://4kmedia.org/samsung-wonderland-two-hdr-uhd-4k-demo</a> ; and others from the same site.
</span><o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="font-family:"Intel Clear",sans-serif;color:#2E74B5"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">       
</span></span></span><![endif]><span style="font-family:"Intel Clear",sans-serif;color:#2E74B5">Display / Overlays HW: Icelake<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="font-family:"Intel Clear",sans-serif;color:#2E74B5"><span style="mso-list:Ignore">-<span style="font:7.0pt "Times New Roman"">       
</span></span></span><![endif]><span style="font-family:"Intel Clear",sans-serif;color:#2E74B5">Monitors: LG 32UD99-W / 27UK650-W<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear",sans-serif;color:#2E74B5"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear",sans-serif;color:#2E74B5">This patch-set targets:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear",sans-serif;color:#2E74B5">- HDR framework in drm-backend, which will allow a single plane HDR playback using Icelake HW overlays.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear",sans-serif;color:#2E74B5">- HDR support in Weston's GL backend, which will allow GL based rendering for HDR playback as a fallback method for other Hardwares.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear",sans-serif;color:#2E74B5"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear",sans-serif;color:#2E74B5">The Wayland protocol for HDR/Color management is already being discussed at various forums and lists.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear",sans-serif;color:#2E74B5">Please note that, this patch-set contains a temporary implementation of HDR metadata and colorspace protocol, which is under tag do-not-merge, and is for the sake of completion
 of testing stack. We are using this as a placeholder for actual color management protocol.<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:2.0pt;margin-right:0in;margin-bottom:2.0pt;margin-left:0in;text-autospace:none">
<span style="font-size:10.0pt;font-family:"Segoe UI",sans-serif"><a href="https://lists.freedesktop.org/archives/wayland-devel/2019-March/040264.html">https://lists.freedesktop.org/archives/wayland-devel/2019-March/040264.html</a>
</span><o:p></o:p></p>
<p class="MsoNormal" style="text-autospace:none"><span style="font-size:9.5pt;font-family:"Segoe UI",sans-serif"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear",sans-serif;color:#2E74B5">To give everyone some background of these parallel threads of work, in my team, we have divided the total HDR development work into 3 parts:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear",sans-serif;color:#2E74B5">-  The HDR protocol development as a color management subset: (Driven by Ankit Nautiyal)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear",sans-serif;color:#2E74B5">-  Adding HDR support in GL backend : (Driven by Harish Krupo)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear",sans-serif;color:#2E74B5">-  Compositor and framework changes in DRM-backend : (Driven by me, Shashank Sharma)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear",sans-serif;color:#2E74B5"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear",sans-serif;color:#2E74B5">Please provide us the feedback on the implementation.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear",sans-serif;color:#2E74B5"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear",sans-serif;color:#2E74B5">Regards<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear",sans-serif;color:#2E74B5">Shashank<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Intel Clear",sans-serif;color:#2E74B5"><o:p> </o:p></span></p>
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