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https://github.com/open-goal/jak-project
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water
138 lines
3.8 KiB
Common Lisp
138 lines
3.8 KiB
Common Lisp
;;-*-Lisp-*-
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(in-package goal)
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;; name: dma-buffer.gc
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;; name in dgo: dma-buffer
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;; dgos: ENGINE, GAME
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(deftype dma-packet (structure)
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((dma dma-tag :offset-assert 0)
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(vif0 vif-tag :offset-assert 8)
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(vif1 vif-tag :offset-assert 12)
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(quad uint128 :offset 0)
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)
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:method-count-assert 9
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:size-assert #x10
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:flag-assert #x900000010
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)
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(deftype dma-packet-array (inline-array-class)
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((data dma-packet :inline :dynamic :offset-assert 16)
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)
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:method-count-assert 9
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:size-assert #x10
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:flag-assert #x900000010
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)
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(set! (-> dma-packet-array heap-base) (the-as uint 16))
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(deftype dma-gif (structure)
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((gif uint64 2 :offset-assert 0)
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(quad uint128 :offset 0)
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)
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:method-count-assert 9
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:size-assert #x10
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:flag-assert #x900000010
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)
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(deftype dma-gif-packet (structure)
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((dma-vif dma-packet :inline :offset-assert 0)
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(gif uint64 2 :offset-assert 16)
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(quad uint128 2 :offset 0)
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)
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:method-count-assert 9
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:size-assert #x20
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:flag-assert #x900000020
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)
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(deftype dma-buffer (basic)
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((allocated-length int32 :offset-assert 4)
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(base pointer :offset-assert 8)
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(end pointer :offset-assert 12)
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(data uint64 1 :offset-assert 16)
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)
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:method-count-assert 9
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:size-assert #x18
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:flag-assert #x900000018
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(:methods
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(new (symbol type int) _type_ 0)
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)
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)
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(defmethod new dma-buffer ((allocation symbol) (type-to-make type) (arg0 int))
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(let ((v0-0 (object-new allocation type-to-make (+ arg0 -4 (-> type-to-make size)))))
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(set! (-> v0-0 base) (-> v0-0 data))
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(set! (-> v0-0 allocated-length) arg0)
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v0-0
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)
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)
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(defun dma-buffer-inplace-new ((arg0 dma-buffer) (arg1 int))
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(set! (-> arg0 base) (-> arg0 data))
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(set! (-> arg0 allocated-length) arg1)
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arg0
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)
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(defmethod length dma-buffer ((obj dma-buffer))
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(-> obj allocated-length)
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)
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(defmethod asize-of dma-buffer ((obj dma-buffer))
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(+ (-> obj allocated-length) -4 (-> dma-buffer size))
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)
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(defun dma-buffer-length ((arg0 dma-buffer))
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(the-as int (shr (+ (&- (-> arg0 base) (the-as uint (-> arg0 data))) 15) 4))
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)
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(defun dma-buffer-free ((arg0 dma-buffer))
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(the-as int (shr (+ (&- (-> arg0 end) (the-as uint (-> arg0 base))) 15) 4))
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)
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(defun dma-buffer-add-vu-function ((arg0 dma-buffer) (arg1 vu-function) (arg2 int))
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(let ((v1-0 (&-> arg1 data 4))
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(a3-0 (-> arg1 qlength))
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(a1-1 (-> arg1 origin))
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)
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(while (> a3-0 0)
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(let ((t0-1 (min 127 a3-0)))
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(let* ((t1-1 arg0)
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(t2-0 (the-as object (-> t1-1 base)))
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)
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(set! (-> (the-as dma-packet t2-0) dma)
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(new 'static 'dma-tag :id (dma-tag-id ref) :addr (the-as int v1-0) :qwc t0-1)
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)
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(set! (-> (the-as dma-packet t2-0) vif0) (new 'static 'vif-tag :cmd (if (zero? arg2) 16 19)))
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(set! (-> (the-as dma-packet t2-0) vif1) (new 'static 'vif-tag :cmd (vif-cmd mpg) :num (* t0-1 2) :imm a1-1))
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(set! (-> t1-1 base) (&+ (the-as pointer t2-0) 16))
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)
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(&+! v1-0 (* t0-1 16))
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(set! a3-0 (- a3-0 t0-1))
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(+! a1-1 (* t0-1 2))
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)
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)
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)
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#f
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)
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(defun dma-buffer-send ((arg0 dma-bank) (arg1 dma-buffer))
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(when (< (-> arg1 allocated-length) (&- (-> arg1 base) (the-as uint (-> arg1 data))))
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(crash!)
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0
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)
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(dma-send arg0 (the-as uint (-> arg1 data)) (the-as uint (dma-buffer-length arg1)))
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(none)
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)
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(defun dma-buffer-send-chain ((arg0 dma-bank-source) (arg1 dma-buffer))
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(when (< (-> arg1 allocated-length) (&- (-> arg1 base) (the-as uint (-> arg1 data))))
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(crash!)
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0
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)
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(dma-send-chain arg0 (the-as uint (-> arg1 data)))
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(none)
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)
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