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<p class="MsoNormal">Hi Team,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Please find the comparison between working and non-working use-cases.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Issue case: When status bar and camera layer are GPU composed and video layer is composed by Display Processing Unit.
<o:p></o:p></p>
<p class="MsoNormal"><img width="307" height="183" style="width:3.2013in;height:1.9027in" id="Picture_x0020_3" src="cid:image003.png@01DA89E7.185C3E00">
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Working case: When all layers are sent to gl-renderer for GPU composition.<o:p></o:p></p>
<p class="MsoNormal"><img width="307" height="173" style="width:3.1944in;height:1.7986in" id="Picture_x0020_5" src="cid:image004.jpg@01DA89E7.185C3E00" alt="A person posing for a picture
Description automatically generated"><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks and Regards,<o:p></o:p></p>
<p class="MsoNormal">Pritama Biswas<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b>From:</b> Pritama Biswas (QUIC) <br>
<b>Sent:</b> Monday, April 8, 2024 6:28 PM<br>
<b>To:</b> 'wayland-devel@lists.freedesktop.org' <wayland-devel@lists.freedesktop.org><br>
<b>Cc:</b> Namit Solanki (QUIC) <quic_nsolanki@quicinc.com><br>
<b>Subject:</b> Corruption seen in GPU composed output<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:12.0pt">Hi Weston team,<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">We are seeing corruption when running video playback in fullscreen (1080p) + camera in non-fullscreen mode (480x270) in Weston 10.<o:p></o:p></p>
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Description automatically generated"><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Here, the status bar and the camera layer is sent for GPU composition via gl-renderer and the video layer is sent to Display processing unit for composition.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">We took layer buffer dump for GPU composer layer and confirmed that the GPU composed output is corrupted as shown below:<o:p></o:p></p>
<p class="MsoNormal"><img width="465" height="229" style="width:4.8472in;height:2.3819in" id="Picture_x0020_2" src="cid:image002.png@01DA89E5.1BCA9BB0"><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">When we force all the layers (camera + Video + Status bar) to go to GPU composition, issue is not seen.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Any pointers to debug or fix this issue will be helpful.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks and Regards,<o:p></o:p></p>
<p class="MsoNormal">Pritama Biswas<o:p></o:p></p>
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