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https://github.com/open-goal/jak-project
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water111
637990314b
Closes #736 --------- Co-authored-by: Hat Kid <6624576+Hat-Kid@users.noreply.github.com>
101 lines
4.0 KiB
Common Lisp
101 lines
4.0 KiB
Common Lisp
;;-*-Lisp-*-
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(in-package goal)
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(bundles "ENGINE.CGO" "GAME.CGO")
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(require "kernel/gkernel.gc")
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(require "engine/gfx/hw/gs.gc")
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;; Functions for taking a screenshot of VRAM.
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;; These are debug-only and leak memory.
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;; DECOMP BEGINS
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;; this file is debug only
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(declare-file (debug))
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;; vif/gif tags to do a transfer of data from VRAM to EE memory.
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(deftype gs-store-image-packet (structure)
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((vifcode vif-tag 4)
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(giftag gif-tag)
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(bitbltbuf gs-bitbltbuf)
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(bitbltbuf-addr gs-reg64)
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(trxpos gs-trxpos)
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(trxpos-addr gs-reg64)
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(trxreg gs-trxreg)
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(trxreg-addr gs-reg64)
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(finish int64)
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(finish-addr gs-reg64)
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(trxdir gs-trxdir)
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(trxdir-addr gs-reg64)))
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(defun gs-set-default-store-image ((packet gs-store-image-packet) (src-fbp int) (src-w int) (src-psm int) (ssax int) (ssay int) (rrw int) (rrh int))
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"Set up a gs-store-image-packet for storing"
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;; nop
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(set! (-> packet vifcode 0) (new 'static 'vif-tag :cmd (vif-cmd nop)))
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;; set mskpath3
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(set! (-> packet vifcode 1) (new 'static 'vif-tag :imm #x8000 :cmd (vif-cmd mskpath3)))
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;; flush!
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(set! (-> packet vifcode 2) (new 'static 'vif-tag :cmd (vif-cmd flusha) :msk #x1))
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;; direct gif transfer.
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(set! (-> packet vifcode 3) (new 'static 'vif-tag :imm #x6 :cmd (vif-cmd direct) :msk #x1))
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;;gif a+d
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(set! (-> packet giftag)
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(the-as gif-tag
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(make-u128 (new 'static 'gif-tag-regs :regs0 (gif-reg-id a+d)) (new 'static 'gif-tag64 :nloop #x5 :eop #x1 :nreg #x1))))
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;; all the a+d
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(set! (-> packet bitbltbuf) (new 'static 'gs-bitbltbuf :sbp src-fbp :sbw src-w :spsm src-psm))
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(set! (-> packet bitbltbuf-addr) (gs-reg64 bitbltbuf))
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(set! (-> packet trxpos) (new 'static 'gs-trxpos :ssax ssax :ssay ssay))
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(set! (-> packet trxpos-addr) (gs-reg64 trxpos))
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(set! (-> packet trxreg) (new 'static 'gs-trxreg :rrw rrw :rrh rrh))
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(set! (-> packet trxreg-addr) (gs-reg64 trxreg))
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(set! (-> packet finish) 0)
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(set! (-> packet finish-addr) (gs-reg64 finish))
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(set! (-> packet trxdir) (new 'static 'gs-trxdir :xdir #x1))
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(set! (-> packet trxdir-addr) (gs-reg64 trxdir))
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(.sync.l)
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7)
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(defun store-image ((oddeven int))
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"Store an image to image.raw"
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(let ((width 512)
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(height (-> *video-parms* screen-sy))
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(file (new 'debug 'file-stream "image.raw" 'write)))
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;; create (and leak memory) for 2 arrays.
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(let ((buff0 (the-as (array uint128) (new 'debug 'boxed-array uint128 (/ (* width height) 4)))))
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(let ((buff1 (the-as (array uint128) (new 'debug 'boxed-array uint128 (/ (* width height) 4)))))
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;; set up a packet.
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(let ((packet (new 'static 'gs-store-image-packet)))
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;; capture one field
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(gs-set-default-store-image packet #x2800 (/ width 64) 0 0 0 width height)
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(flush-cache 0)
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(gs-store-image packet (-> buff0 data))
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(sync-path 0 0)
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;; capture other field
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(gs-set-default-store-image packet #x3000 (/ width 64) 0 0 0 width height)
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(flush-cache 0)
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(gs-store-image packet (-> buff1 data)))
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;; wait for capture to complete.
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(sync-path 0 0)
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(let ((ptr-0 (-> buff0 data))
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(ptr-1 (-> buff1 data)))
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(cond
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((zero? oddeven)
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(let ((y-idx 0))
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(while (< y-idx height)
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(file-stream-write file (&+ ptr-0 (* y-idx (* width 4))) (the-as uint (* width 4)))
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(file-stream-write file (&+ ptr-1 (* y-idx (* width 4))) (the-as uint (* width 4)))
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(+! y-idx 1))))
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(else
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(let ((y-idx-2 0))
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(while (< y-idx-2 height)
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(file-stream-write file (&+ ptr-1 (* y-idx-2 (* width 4))) (the-as uint (* width 4)))
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(file-stream-write file (&+ ptr-0 (* y-idx-2 (* width 4))) (the-as uint (* width 4)))
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(+! y-idx-2 1))))))
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(format #t "oddeven = ~d~%" oddeven)
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;; this does nothing.
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(delete buff1))
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;; also does nothing.
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(delete buff0))
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(file-stream-close file))
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0)
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