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DEMData: save one CPU copy and do decode on GPU #8694

Merged
merged 1 commit into from
Aug 28, 2019
Merged

DEMData: save one CPU copy and do decode on GPU #8694

merged 1 commit into from
Aug 28, 2019

Commits on Aug 28, 2019

  1. DEMData: save one CPU copy and do decode on GPU 

    Save one CPU copy and avoid decoding DEM data on CPU (do it on GPU).

Pad DEMData, for backfill, in context.getImageData. This avoids the need to pad it in DEMData constructor.

DEM decode to height is a single dot operation - no need to do it on CPU since we already have another decode (from internal format) in src/shaders/hillshade_prepare.fragment.glsl.
    @astojilj
    astojilj committed Aug 28, 2019
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