https://bugs.freedesktop.org/show_bug.cgi?id=102488
--- Comment #2 from xbx <[email protected]> ---
Hi,
Yeah sorry I don't have a nice repro to send.
I'm pretty sure I did test this at the time, and it didn't work. But I'll try
again to make sure.
I don't remember the details precisely, but there general idea is:
- part of the scene is rendered
- then the z buffer is converted to a linear texture
- downscaled with a shader to a new texture
- the new texture is then converted back to a htile zbuffer(*)
- and some more rendering is done at that lower resolution, in parts not
occluded
- and then all is blended together for presenting
So the problem is that the (*)transition does need to convert the data and not
just clear the buffer.
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