Search found 3 matches

by ACh
Sat Aug 04, 2007 12:02 am
Forum: PSP Development
Topic: Swizzling DXT1
Replies: 0
Views: 1033

Swizzling DXT1

I wasn't able to find any mention in the forum of getting this working; apologies if this is already known. It looks like it is in fact possible to use DXT1 compressed textures in swizzled mode. When reading from swizzled DXT1, the GE reads 32 bytes of data (presumably since 4bpp in DXT1 expands to ...
by ACh
Mon Jun 04, 2007 1:25 am
Forum: PSP Development
Topic: now,we can use libaudiocodec to decode atrac3 and atrac3plus
Replies: 11
Views: 6779

If you're targeting 3.xx firmware, you should be able to use sceUtilityLoadAvModule() to get at the audio/video decoders from user mode. I personally avoid ATRAC3, but here's how I set up for AVC decoding to work on both 1.50 (psplink) and 3.40 OE-A: int loadav_ok = 0; int32_t firmware_version = sce...
by ACh
Sun Jun 03, 2007 5:43 pm
Forum: PSP Development
Topic: Problems with homebrew capability on 3.40OE firmware
Replies: 8
Views: 4307

pspsnake wrote:Can you call functions such as sceIoDopen, sceIoDread, etc using the OE firmwares? When I try, I get odd bus errors during my code.
These functions are part of the kernel, so they don't need the vsh files. Did you remember to clear the SceDirent structure before calling sceIoDread()?