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Daniel Egger authored
2001-11-19 Daniel Egger <degger@fhm.edu> * app/paint-funcs/paint-funcs.c * app/paint-funcs/paint-funcs-generic.h: Split generic (read: C) code for pixelmanipulation and most of the code that belongs to it into new file. (apply_layer_funcs): Gone. The correct layer function is now dispatched from the layer_mode_funcs table and the table is per default initialised with the generic functions. Arguments will be passed by a struct apply_layer_mode_struct instead of directly per stack to avoid parameter typying madness. It's now cleanly possible to check for availabilty of MMX/AltiVec/(insert your favourite brew here) in paint_funcs_setup () and change the table to use faster routines. The old MMX cruft which is temporaribly in paint-funcs-generic.h will soon be gone but I'm to tired now. * app/paint-funcs/paint-funcs.c: Braind dead code for temporary buffer (which never shrunk only grew) gone and replaced by straightforward code. * app/paint-funcs/paint-funcs-generic.h: Applied a bunch of obvious optimisations to reduce code size and avoid parameter madness. * paint-funcs-[gray|graya|indexed|rga|rgba].[c|h]: Gone. I lost several days of work on these files and came to the conclusion that there has to be an easier way anyway. :) Everything well tested on PPC and producing exactly the same results as the code before so this has good odds to be the first major change that won't break GIMP. :)
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