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dave j
Posts: 123
Joined: Mon Mar 05, 2012 2:19 pm

Sliced front buffer rendering

Fri Sep 07, 2018 7:12 pm

Qualcomm and ARM GPUs have the ability to render to part of the front buffer without requiring loading and saving the rest of it - which is slow. (Qualcom have their QCOM_tiled_rendering extension and ARM uses scissor boxes.) It also looks like the Eric Anholt's driver supports it using scissoring.

Do the Broadcom drivers for the VC4 provide such a facility?
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