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rsx: Optimize some imaging operations #7260

Merged
merged 2 commits into from Jan 16, 2020
Merged

rsx: Optimize some imaging operations #7260

merged 2 commits into from Jan 16, 2020

Commits on Jan 16, 2020

  1. gl: Optimize image operations 

    - Avoid double transfers where a transfer to a temp image is done
without scaling and then a secondary transfer follows. Combines the two
steps into one whenever possible which can significantly alleviate
bandwidth problems at higher resolutions. Significant speedup, upto 90%
in some cases (PDF, PDF2)
    @kd-11
    kd-11 committed Jan 16, 2020
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  2. vk: Optimize image transfers 

    - Adds the same optimization/simplification steps to complex image
transfer routines. Whenever possible, multi-step transfers are collapsed
into a single operation.
    @kd-11
    kd-11 committed Jan 16, 2020
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