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jak-project/goal_src/jak1/engine/util/capture.gc
T
Tyler Wilding d1ece445d4 Dependency graph work - Part 1 - Preliminary work (#3505)
Relates to #1353 

This adds no new functionality or overhead to the compiler, yet. This is
the preliminary work that has:
- added code to the compiler in several spots to flag when something is
used without being properly required/imported/whatever (disabled by
default)
- that was used to generate project wide file dependencies (some
circulars were manually fixed)
- then that graph underwent a transitive reduction and the result was
written to all `jak1` source files.

The next step will be making this actually produce and use a dependency
graph. Some of the reasons why I'm working on this:
- eliminates more `game.gp` boilerplate. This includes the `.gd` files
to some extent (`*-ag` files and `tpage` files will still need to be
handled) this is the point of the new `bundles` form. This should make
it even easier to add a new file into the source tree.
- a build order that is actually informed from something real and
compiler warnings that tell you when you are using something that won't
be available at build time.
- narrows the search space for doing LSP actions -- like searching for
references. Since it would be way too much work to store in the compiler
every location where every symbol/function/etc is used, I have to do
ad-hoc searches. By having a dependency graph i can significantly reduce
that search space.
- opens the doors for common shared code with a legitimate pattern.
Right now jak 2 shares code from the jak 1 folder. This is basically a
hack -- but by having an explicit require syntax, it would be possible
to reference arbitrary file paths, such as a `common` folder.

Some stats:
- Jak 1 has about 2500 edges between files, including transitives
- With transitives reduced at the source code level, each file seems to
have a modest amount of explicit requirements.

Known issues:
- Tracking the location for where `defmacro`s and virtual state
definitions were defined (and therefore the file) is still problematic.
Because those forms are in a macro environment, the reader does not
track them. I'm wondering if a workaround could be to search the
reader's text_db by not just the `goos::Object` but by the text
position. But for the purposes of finishing this work, I just statically
analyzed and searched the code with throwaway python code.
2024-05-12 12:37:59 -04:00

134 lines
4.5 KiB
Common Lisp

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