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ipf decoder update

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minjaesong
2022-09-18 00:21:14 +09:00
parent 3f521e2fb6
commit 9cd9febf9c
7 changed files with 21 additions and 17 deletions
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21
assets/disk0/tvdos/TVDOS.SYS
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@@ -548,20 +548,21 @@ Object.freeze(_TVDOS.DRV.FS.DEVCON)
_TVDOS.DRV.FS.DEVFBIPF = {}
_TVDOS.DRV.FS.DEVFBIPF.pwrite = (fd, ptr, _1, _2) => {
let decodefun = ([graphics.decodeIpf1, graphics.decodeIpf2])[sys.peek(ptr + 13)]
// offset 24..27: gzipped size
let width = sys.peek(ptr+8) | (sys.peek(ptr+9) << 8)
let height = sys.peek(ptr+10) | (sys.peek(ptr+11) << 8)
let hasAlpha = (sys.peek(12) != 0)
_TVDOS.DRV.FS.DEVFBIPF.pwrite = (fd, infilePtr, count, _2) => {
let decodefun = ([graphics.decodeIpf1, graphics.decodeIpf2])[sys.peek(infilePtr + 13)]
let width = sys.peek(infilePtr+8) | (sys.peek(infilePtr+9) << 8)
let height = sys.peek(infilePtr+10) | (sys.peek(infilePtr+11) << 8)
let hasAlpha = (sys.peek(infilePtr+12) != 0)
let ipfType = sys.peek(infilePtr+13)
let imgLen = sys.peek(infilePtr+24) | (sys.peek(infilePtr+25) << 8) | (sys.peek(infilePtr+26) << 16) | (sys.peek(infilePtr+27) << 24)
// println("Calling GPU")
decodefun(ptr + 24, -1048577, -1310721, width, height, hasAlpha)
let ipfbuf = sys.malloc(imgLen)
gzip.decompFromTo(infilePtr + 28, count - 28, ipfbuf) // should return FBUF_SIZE
// println("Changing graphics mode")
graphics.setGraphicsMode(4)
decodefun(ipfbuf, -1048577, -1310721, width, height, hasAlpha)
// println("cya!")
sys.free(ipfbuf)
}
_TVDOS.DRV.FS.DEVFBIPF.bwrite = (fd, bytes) => {
// TODO pread the file