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.dds format / using compression - DXT[1-5]

Started by dex7 Nov 23, 2001 at 3:07 PM 0 replies 250+ views

Original Post

Nov 23, 2001 at 3:07 PM

hi, i want to save textures into dds files with dxt1 compression to take less space at disk, but i wonder when they are loaded through d3dx_loadtexturefromfile if they still remain compressed in mem or they get converted to surfaceformat i specify - i hope yes, but i want to know for sure it''ll work on any card any ideas if it is so ? thanks -dex

darookie

121

darookie

Nov 24, 2001 at 10:04 AM

textures/surfaces ALWAYS get converted to the format you specify with D3DXLoadSurfaceFromFile().
use D3DFMT_UNKNOWN to keep the input format.
just keep in mind that any LockRect() calls to compressed texturs/surfaces don''t make any sense when trying to modify contents directly.

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