Hi, Work towards adding this functionality is discussed at https://gitlab.freedesktop.org/wayland/weston/-/merge_requests/1258
On Tue, Jan 23, 2024 at 01:13:20PM +0000, Namit Solanki (QUIC) wrote: > Hi Weston team, > > For the use cases where the GPU composed output (output of > gl-renderer) is on top (higher z order) of a layer > (layer has lower z order and layer is composed by Display Processing > unit), do we have a punch hole logic implemented in > gl-renderer or Weston so that layer is visible through the punch hole? > > Or Weston always expects that the GPU composed buffer is always at the lowest > z order among all layers? > > Example : Suppose, there are four layers on the display. Layer1 and > Layer2 are composed by GPU and layer3 and layer4 are composed by > Display processing unit. The composed output of layer1 and layer2 can > have higher z order than layer3 and layer4? if yes, how the layer3 and > layer4 will be visible on screen? > > Please help me in understanding this. > > Thanks > Namit
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