several cliptextures

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Performer-ML (wryperf++at++such.dst.nk-exa.co.jp)
Thu, 13 May 1999 15:28:52 +0900

Hello all,

I'd like to use 4 different cliptextures simultaneously.
2 are RGB_8, and other 2 are RGBA_8.

When I use 3 cliptextures, it works fine, but I use 4 or more
cliptextures, framerate(draw-speed) extremely grows worse...

Each cliptextures is under following condition (from .ct file).
   
  ext_format PFTEX_PACK_8
  int_format PFTEX_RGB_8
  img_format PFTEX_RGB
  virt_size 8192 8192 1
  clip_size 1024
  invalid_border 16
  smallest_icache 64 64 1
  icache_format nhk_l.%d.ic
  icache_params
  PFCLIPTEX_FNAMEARG_LEVEL_SIZE
  tile_format nhk_l.%d.0.0.raw888
  tile_params
  PFCLIPTEX_FNAMEARG_LEVEL_SIZE

and max-tilesize is 512x512.

virt_size-8192 and clipsize-1024 are indispensable.
If it's possible, I need clipsize-2048 because output is HDTV.

Is it possible to optimize anything or should I reduce the number
of cliptextures?

Thank you,

--
M.Y.

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