[Openexr-devel] Invert lines during reading process ?

[Gernot Ziegler]

Hej !

OpenGL convention requires me to upload images upside down into the
texture data buffer, that is, I need to read the EXR image from the bottom
up - is there a way to do this more efficiently than to read the lines one
by one (the headers lineorder attribute is only changeable for writing
files, correct ?) ?

If only the line-by-line reading remains:
Should I maybe y-flip the data in main memory instead ? (Main memory is
not an issue :-) )

Servus,
  Gernot

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