mirror of
https://github.com/open-goal/jak-project.git
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7cb04c6cd5
* Make `:do-not-decompile` work on field lookup as well * decompile `font-h` and update a vector type + minor fixes * fix some types * fix font-h * fix font-h (again) * update a script * fixes * Fix segfault * Fix `PROT_NONE` page protection on windows
1022 lines
37 KiB
Common Lisp
1022 lines
37 KiB
Common Lisp
;;-*-Lisp-*-
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(in-package goal)
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;; name: display.gc
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;; name in dgo: display
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;; dgos: GAME, ENGINE
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;; todo - move to font-h
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(define-extern draw-string-xy (function string dma-buffer int int int int none))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; TIME
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; for some reason, the display also tracks some timing stuff.
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(defun get-current-time ()
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"Possibly the wall-clock time"
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(-> *display* base-frame-counter)
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)
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(defun get-integral-current-time ()
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"The integral of game frame time (this slows down as we lag)"
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(-> *display* integral-frame-counter)
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)
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(defmethod set-time-ratios display ((obj display) (slowdown float))
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"Set the time ratios for the current game speed. For example, set slowdown = 1.0 if the game
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is running at full speed or slowdown = 2.0 if the game is running at half speed."
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;; don't allow slowdowns of more than 4x. This prevents the dt's in the physics
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;; calculations from getting huge.
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(let ((ratio (fmin 4.0 slowdown)))
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(set! (-> obj time-ratio) ratio)
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(let ((v1-0 (get-video-mode)))
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(cond
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((= v1-0 'pal)
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(set! (-> obj time-adjust-ratio) (* 1.2 ratio))
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(set! (-> obj seconds-per-frame) (* 0.02 ratio))
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(set! (-> obj frames-per-second) (* 50.0 (/ 1.0 ratio)))
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;; 6 "ticks" per frame * 50 fps = 300 ticks per second.
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(set! (-> obj time-factor) 6.0)
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)
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(else
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(set! (-> obj time-adjust-ratio) ratio)
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(set! (-> obj seconds-per-frame) (* 0.016666668 ratio))
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(set! (-> obj frames-per-second) (* 60.0 (/ 1.0 ratio)))
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;; 5 "ticks" per frame * 60 fps = 300 ticks per second.
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(set! (-> obj time-factor) 5.0)
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)
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)
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)
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)
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(-> obj time-ratio)
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)
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; DISPLAY ENV and DRAW ENV
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; the "display env" controls what is on screen.
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;; it is controlled by writing to GS registers mapped to EE memory and is independent of drawing.
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;; the "draw env" controls settings for rendering triangles
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;; unlike the display env, these GS registers are set through DMA.
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;; the draw env structure is actually A+D format data that can be sent directly!
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(defun set-display-env ((env display-env) (psm int) (width int) (height int) (dx int) (dy int) (fbp int))
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"Set the commonly used parameters of a display env.
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psm: texture format
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width/height: dimensions of the framebuffer
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dx/dy: location on the TV screen
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fpb: the framebuffer."
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;; these will eventually be consumed by a sony function. I think it just sets GS registers.
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;; set these to the mode that makes the GS actually work. Basically every game uses exactly this.
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(set! (-> env pmode)
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(new 'static 'gs-pmode :en1 #x1 :mmod #x1 :slbg #x1 :alp #xff)
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)
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(set! (-> env smode2) (new 'static 'gs-smode2 :int #x1 :ffmd #x1))
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;; set up the framebuffer.
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(set! (-> env dspfb)
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(new 'static 'gs-display-fb :psm psm :fbw (sar width 6) :fbp fbp)
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)
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;; set up the display area.
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(set! (-> env display)
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(new 'static 'gs-display
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:dw #x9ff
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:dy (+ dy 50)
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:dx (+ (* dx (/ 2560 width)) 652)
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:dh (+ (shl height 1) -1)
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:magh (+ (/ (+ width 2559) width) -1)
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)
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)
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;; I think bgcolor = 0 is required.
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(set! (-> env bgcolor) (new 'static 'gs-bgcolor))
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env
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)
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(defun set-draw-env ((env draw-env) (psm int) (width int) (height int) (ztest int) (zpsm int) (fbp int))
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"Set parameters of the draw env"
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;; each register needs address + data set.
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;; frame buffer:
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(set! (-> env frame1addr) (gs-reg64 frame-1))
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(set! (-> env frame1)
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(new 'static 'gs-frame :fbw (sar width 6) :psm (logand psm 15) :fbp fbp)
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)
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;; dithering is enabled/disabled based on the texture format.
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;; it's not allowed in psmct32 and psmct24 so I assume it's always off.
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(set! (-> env dtheaddr) (gs-reg64 dthe))
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(cond
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((zero? (logand psm 2))
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(set! (-> env dthe) (new 'static 'gs-dthe))
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)
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(else
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(set! (-> env dthe) (new 'static 'gs-dthe :dthe #x1))
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)
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)
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;; z buffer:
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(set! (-> env zbuf1addr) (gs-reg64 zbuf-1))
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(set! (-> env zbuf1)
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(new 'static 'gs-zbuf
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:zbp #x1c0
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:psm (logand zpsm 15)
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:zmsk (if (zero? ztest) 1 0)
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)
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)
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;; pixel test. you only get to pick the ztst field.
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(set! (-> env test1addr) (gs-reg64 test-1))
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(cond
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((zero? ztest)
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(set! (-> env test1) (new 'static 'gs-test))
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)
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(else
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(set! (-> env test1) (new 'static 'gs-test :zte #x1 :ztst ztest))
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)
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)
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;; offset to window coordinate system (WCS)
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(set! (-> env xyoffset1addr) (gs-reg64 xyoffset-1))
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(set! (-> env xyoffset1)
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(new 'static 'gs-xy-offset
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:ofx #x7000
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:ofy (shl (-> *video-parms* screen-miny) 4) ;; 12.4 fixed point.
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)
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)
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;; scissor to the given width/height (in WCS)
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(set! (-> env scissor1addr) (gs-reg64 scissor-1))
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;; the lower bound is set to 0: the origin of the WCS which is the xyoffset
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(set! (-> env scissor1)
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(new 'static 'gs-scissor :scax1 (+ width -1) :scay1 (+ height -1))
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)
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;; use the prim register for primitive settings, not prmode.
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(set! (-> env prmodecontaddr) (gs-reg64 prmodecont))
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(set! (-> env prmodecont) (new 'static 'gs-prmode-cont :ac #x1))
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;; clamp colors (don't wrap)
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(set! (-> env colclampaddr) (gs-reg64 colclamp))
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(set! (-> env colclamp) (new 'static 'gs-color-clamp :clamp #x1))
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env
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)
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(defun set-draw-env-offset ((env draw-env) (x int) (y int) (arg3 int))
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"Set the drawing offset (origin of the WCS).
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The input x and y should be in pixels to the _center_ of the window.
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The width/height of the window are taken from the scissoring settings.
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It is assumed that scax0 and scay0 are set to 0."
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(set! (-> env xyoffset1)
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(new 'static 'gs-xy-offset
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:ofx (shl (- x
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(shr (+ (-> env scissor1 scax1) 1) 1) ;; half the width.
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)
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4) ;; 12.4
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:ofy (+ (shl (- y
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(shr (+ (-> env scissor1 scay1) 1) 1)) ;; half the height.
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4) ;; convert to 12.4
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(if (zero? arg3) 0 8) ;; and add a half-pixel offset.
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)
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)
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)
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env
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)
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(defun put-display-alpha-env ((arg0 display-env))
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"Set display1 and dspfb1 directly, right now.
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This is unused."
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(let ((v1-0 (the-as gs-bank #x12000000)))
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(set! (-> v1-0 dspfb1) (-> arg0 dspfb))
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(set! (-> v1-0 display1) (-> arg0 display))
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)
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(none)
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)
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; DISPLAY
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; the display structure manages all of the display and draw envs, as well as frame timing related stuff.
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(defun set-display ((disp display) (psm int) (w int) (h int) (ztest int) (zpsm int))
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"Set up the entire display structure, both draw and display envs"
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;; set up gif-tag for the gif-packet to tset the draw env
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(let ((v1-0 (-> disp gif-tag0)))
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;; 8x registers, data in a+d format.
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(set! (-> v1-0 tag) (new 'static 'gif-tag64 :nloop #x8 :eop #x1 :nreg #x1))
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(set! (-> v1-0 regs) (new 'static 'gif-tag-regs :regs0 (gif-reg-id a+d)))
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)
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;; copy to the other envs.
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(set! (-> disp gif-tag1 qword) (-> disp gif-tag0 qword))
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(set! (-> disp gif-tag2 qword) (-> disp gif-tag0 qword))
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;; set the display envs.
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(set-display-env (-> disp display-env0) psm w h (-> *video-parms* display-dx) (-> *video-parms* display-dy) 320)
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(set-display-env (-> disp display-env1) psm w h (-> *video-parms* display-dx) (-> *video-parms* display-dy) 384)
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;; set the draw envs (note the framebuffers are swapped - draw 0 will draw to the fb for disp 1)
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(set-draw-env (-> disp draw0) psm w h ztest zpsm 384)
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(set-draw-env (-> disp draw1) psm w h ztest zpsm 320)
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;; initialize a bunch of counters
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(set! (-> disp base-frame-counter) (the-as uint #x493e0))
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(set! (-> disp game-frame-counter) (the-as uint #x493e0))
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(set! (-> disp real-frame-counter) (the-as uint #x493e0))
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(set! (-> disp part-frame-counter) (the-as uint #x493e0))
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(set! (-> disp integral-frame-counter) (the-as uint #x493e0))
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(set! (-> disp real-integral-frame-counter) (the-as uint #x493e0))
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;; and the "old" version, which I think was their value on the last... frame?
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(set! (-> disp old-base-frame-counter) (+ (-> disp base-frame-counter) -1))
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(set! (-> disp old-game-frame-counter) (+ (-> disp game-frame-counter) -1))
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(set! (-> disp old-real-frame-counter) (+ (-> disp real-frame-counter) -1))
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(set! (-> disp old-integral-frame-counter) (+ (-> disp integral-frame-counter) -1))
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(set! (-> disp old-real-integral-frame-counter) (+ (-> disp real-integral-frame-counter) -1))
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(set! (-> disp old-part-frame-counter) (+ (-> disp part-frame-counter) -1))
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(set! (-> disp old-actual-frame-counter) (+ (-> disp actual-frame-counter) -1))
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(set! (-> disp old-real-actual-frame-counter) (+ (-> disp real-actual-frame-counter) -1))
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disp
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)
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(defun set-display2 ((disp display) (psm int) (w int) (h int) (ztest int) (zpsm int))
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"Set the display and draw envs only. This assumes you have already done a set-display."
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(set-display-env (-> disp display-env0) psm w h (-> *video-parms* display-dx) (-> *video-parms* display-dy) 320)
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(set-display-env (-> disp display-env1) psm w h (-> *video-parms* display-dx) (-> *video-parms* display-dy) 384)
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(set-draw-env (-> disp draw0) psm w h ztest zpsm 384)
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(set-draw-env (-> disp draw1) psm w h ztest zpsm 320)
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disp
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)
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(defun allocate-dma-buffers ((arg0 display))
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"Allocate the main DMA buffers!"
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(when (zero? (-> arg0 frames 0 frame calc-buf))
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;; not sure what these "calc-buf"s are. Maybe VU0 DMA or other small stuff that is used in the same frame?
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(set! (-> arg0 frames 0 frame calc-buf) (new 'global 'dma-buffer 10000))
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(set! (-> arg0 frames 1 frame calc-buf) (new 'global 'dma-buffer 10000))
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;; the main DMA buffers for each frame's drawing.
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(set! (-> arg0 frames 0 frame global-buf) (new 'global 'dma-buffer #x1ac000))
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(set! (-> arg0 frames 1 frame global-buf) (new 'global 'dma-buffer #x1ac000))
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;; there are separate debug buffers in debug mode that live in the debug heap.
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;; these are used to draw all of the debug stuff.
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(when *debug-segment*
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(set! (-> arg0 frames 0 frame debug-buf) (new 'debug 'dma-buffer #x800000))
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(set! (-> arg0 frames 1 frame debug-buf) (new 'debug 'dma-buffer #x800000))
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)
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)
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arg0
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)
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(define *font-context* (new 'global 'font-context *font-default-matrix* 0 24 0.0 0 (the uint 3)))
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(define *pause-context* (new 'global 'font-context *font-default-matrix* 256 170 0.0 3 (the uint 3)))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; PROFILE BAR
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(defmethod add-frame profile-bar ((obj profile-bar) (name symbol) (color rgba))
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"Add a block to the profile bar. Looks at the timer to determine the current time."
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(if *debug-segment*
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(let ((new-frame (-> obj data (-> obj profile-frame-count))))
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(set! (-> obj profile-frame-count) (+ (-> obj profile-frame-count) 1))
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(set! (-> new-frame name) name)
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(set! (-> new-frame time-stamp) (timer-count (the-as timer-bank #x10000800)))
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(set! (-> new-frame color) color)
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new-frame
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)
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)
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)
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(defmethod reset profile-bar ((obj profile-bar))
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"Clear all blocks from the profile bar. Adds the start block"
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(set! (-> obj profile-frame-count) 0)
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(add-frame obj 'start (new 'static 'rgba :r #x40 :b #x40 :a #x80))
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obj
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)
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(defmethod add-end-frame profile-bar ((obj profile-bar) (name symbol) (color rgba))
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"Finish the frame."
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(let ((new-frame (-> obj data (-> obj profile-frame-count))))
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(set! (-> obj profile-frame-count) (+ (-> obj profile-frame-count) 1))
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(set! (-> new-frame name) name)
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(set! (-> new-frame time-stamp) (the-as uint *ticks-per-frame*))
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(set! (-> new-frame color) color)
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new-frame
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)
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)
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;; location and size
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(define *profile-x* 1808)
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(define *profile-y* (+ (-> *video-parms* screen-miny) 8))
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(define *profile-w* 416)
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(define *profile-h* 8)
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;; ticks or percent?
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(define *profile-ticks* #f)
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(defmethod draw profile-bar ((obj profile-bar) (buf dma-buffer) (bar-pos int))
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"Draw the bar! The bar pos shouldn't be changed."
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;; recompute y stuff based on the current relative-y-scale.
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;; I don't know what would change it.
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(let ((height (the int (* 8.0 (-> *video-parms* relative-y-scale)))))
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(set! *profile-y* (+ (-> *video-parms* screen-miny) height))
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(set! *profile-h* height)
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)
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(let ((block-idx 1) ;; block to draw (0 is 'start)
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(block-count (-> obj profile-frame-count)) ;; total number of blocks
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(left (shl *profile-x* 4)) ;; x (12.4) of the current block. initialized to start of bar.
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(end-time 0) ;; end of last block
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;; if there's a single really slow frame, we want its time to appear for
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;; a little while so you can actually notice. This caches the worst time
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;; over the last ~1 second. It's a static array so it won't get reset
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;; between runs.
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(worst-time-cache (new 'static 'array uint32 2 #x0 #x0))
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)
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;; the position for this particular bar in y.
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(let ((screen-y (the int (* (the float bar-pos) (-> *video-parms* relative-y-scale)))))
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;; set up dma/vif tags:
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(let* ((t1-0 buf)
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(direct-tag (the-as dma-packet (-> t1-0 base))))
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;; dma
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(set! (-> direct-tag dma)
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(new 'static 'dma-tag
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:id (dma-tag-id cnt)
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:qwc (+ (shl block-count 1) -1) ;; 2 quadwords per non-starting block + 1 (giftag)
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)
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)
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;; vif - direct: send straight to gif.
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(set! (-> direct-tag vif0) (new 'static 'vif-tag))
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(set! (-> direct-tag vif1)
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(new 'static 'vif-tag
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:cmd (vif-cmd direct)
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:msk #x1
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:imm (+ (shl block-count 1) -1) ;; same qwc as above.
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)
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)
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(set! (-> t1-0 base) (&+ (the-as pointer direct-tag) 16))
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)
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;; set up gif tag
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(let* ((t1-1 buf)
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(start-gif-tag (the-as gs-gif-tag (-> t1-1 base)))
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)
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;; NREG = 4, one for each block, except for the first.
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(set! (-> start-gif-tag tag)
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(new 'static 'gif-tag64
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:eop #x1
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:flg #x1
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:nreg #x4
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:nloop (+ block-count -1)
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)
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)
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;; each block gets a prim, color, and two vertices.
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(set! (-> start-gif-tag regs)
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(new 'static 'gif-tag-regs
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:regs0 (gif-reg-id prim)
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:regs1 (gif-reg-id rgbaq)
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:regs2 (gif-reg-id xyzf2)
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:regs3 (gif-reg-id xyzf2)
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)
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)
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(set! (-> t1-1 base) (&+ (the-as pointer start-gif-tag) 16))
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)
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;; loop through blocks to draw.
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(while (< block-idx block-count)
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(let ((block (-> obj data block-idx)))
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;; add first three regs (prim, color, one vertex)
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(let* ((t2-4 buf)
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(t3-8 (-> t2-4 base))
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)
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;; draw sprite (alpha blend enable)
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(set! (-> (the-as (pointer gs-prim) t3-8) 0)
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(new 'static 'gs-prim :prim (gs-prim-type sprite) :abe #x1)
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)
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;; set color.
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(set! (-> (the-as (pointer uint64) t3-8) 1)
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(the-as uint (-> block color))
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)
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;; set vertex (left side)
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(set! (-> (the-as (pointer gs-xyzf) t3-8) 2)
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(new 'static 'gs-xyzf
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:z #x3fffff
|
|
:y (shl (+ *profile-y* screen-y) 4) ;; 12.4
|
|
:x left ;; end of previous bar
|
|
)
|
|
)
|
|
(set! (-> t2-4 base) (&+ t3-8 24))
|
|
)
|
|
|
|
;; update end-time, when the work for the frame is done.
|
|
;; don't include end-draw.
|
|
(if (!= (-> block name) 'end-draw)
|
|
(set! end-time (the-as int (-> block time-stamp)))
|
|
)
|
|
|
|
;; compute left, the end of this bar.
|
|
(set! left
|
|
(shl (+ *profile-x* ;; bar start
|
|
(/ (* (-> block time-stamp) (the-as uint *profile-w*)) ;; fraction of ticks per frame
|
|
(the-as uint *ticks-per-frame*)
|
|
)
|
|
)
|
|
4 ;; convert to 12.4
|
|
)
|
|
)
|
|
)
|
|
|
|
;; add other vertex.
|
|
(let* ((t1-8 buf)
|
|
(t2-8 (-> t1-8 base))
|
|
)
|
|
(set! (-> (the-as (pointer gs-xyzf) t2-8) 0)
|
|
(new 'static 'gs-xyzf
|
|
:z #x3fffff
|
|
:y (shl (+ (+ *profile-y* screen-y) *profile-h*) 4) ;; add height.
|
|
:x left ;; now the end of this bar.
|
|
)
|
|
)
|
|
(set! (-> t1-8 base) (&+ t2-8 8))
|
|
)
|
|
|
|
;; next block!
|
|
(+! block-idx 1)
|
|
)
|
|
;; end loop over blocks.
|
|
)
|
|
|
|
;; update the worst time cache if its more than 75 frames old, or we did worse
|
|
;; than the cached value.
|
|
;; we use bar-pos/10 as the index into the cache, which is kind of sketchy.
|
|
(when (or (< 75 (- (-> *display* real-frame-counter) (-> obj cache-time)))
|
|
(>= end-time (the-as int (-> worst-time-cache (/ bar-pos 10))))
|
|
)
|
|
(set! (-> worst-time-cache (/ bar-pos 10)) (the-as uint end-time))
|
|
(set! (-> obj cache-time) (-> *display* real-frame-counter))
|
|
)
|
|
|
|
;; draw the time, either in ticks or percent.
|
|
(cond
|
|
(*profile-ticks*
|
|
(let ((s3-0 draw-string-xy))
|
|
(format (clear *temp-string*) "~5D" (-> worst-time-cache (/ bar-pos 10)))
|
|
(s3-0 *temp-string* buf 488 (+ bar-pos 8) 0 17)
|
|
)
|
|
(the float (-> worst-time-cache (/ bar-pos 10)))
|
|
)
|
|
(else
|
|
;; for some reason, they use 104% here. This means that when you see
|
|
;; 100%, it actually means ~96% of ticks-per-frame.
|
|
(let ((f30-0 (/ (* 104.0 (the float (-> worst-time-cache (/ bar-pos 10))))
|
|
(the float *ticks-per-frame*)
|
|
)
|
|
)
|
|
)
|
|
(let ((s4-1 draw-string-xy))
|
|
(format (clear *temp-string*) "~5,,2f" f30-0)
|
|
(s4-1 *temp-string* buf 488 (+ bar-pos 8)
|
|
(if (>= f30-0 100.0) 3 0) ;; turn red if over 100.
|
|
17
|
|
)
|
|
)
|
|
f30-0
|
|
)
|
|
)
|
|
)
|
|
)
|
|
)
|
|
|
|
;; get rid of these methods when not debugging.
|
|
(when (not *debug-segment*)
|
|
(set! (-> profile-bar method-table 11) nothing) ;; add
|
|
(set! (-> profile-bar method-table 12) nothing) ;; end
|
|
(set! (-> profile-bar method-table 10) nothing) ;; reset
|
|
(set! (-> profile-bar method-table 13) nothing) ;; draw
|
|
)
|
|
|
|
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
;; DRAWING HELPERS
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
|
(defun draw-sprite2d-xy ((buf dma-buffer) (x int) (y int) (w int) (h int) (color rgba))
|
|
"Draw a sprite primitive with the given color and dimensions."
|
|
|
|
;; create context and clip dimensions.
|
|
(let* ((context (new 'stack 'draw-context x y w h color))
|
|
(draw-x (max 1792 (min 2304 (+ (-> context orgx) 1792))))
|
|
(draw-y (max (min (+ (-> context orgy) (-> *video-parms* screen-miny))
|
|
(-> *video-parms* screen-maxy)
|
|
)
|
|
(-> *video-parms* screen-miny)
|
|
)
|
|
)
|
|
(draw-w (-> context width))
|
|
(draw-h (-> context height))
|
|
;; remember the address of the first dma-tag
|
|
(end-dma (the-as dma-packet (-> buf base)))
|
|
)
|
|
;; dma and vif setup
|
|
(let* ((a2-2 buf)
|
|
(dma (the-as dma-packet (-> a2-2 base)))
|
|
)
|
|
;; don't set dma or vif qwc yet.
|
|
(set! (-> dma dma) (new 'static 'dma-tag :id (dma-tag-id cnt)))
|
|
(set! (-> dma vif0) (new 'static 'vif-tag))
|
|
(set! (-> dma vif1) (new 'static 'vif-tag :cmd (vif-cmd direct) :msk #x1))
|
|
(set! (-> a2-2 base) (&+ (the-as pointer dma) 16))
|
|
)
|
|
|
|
;; gif setup
|
|
(let* ((a2-3 buf)
|
|
(gif (the-as gs-gif-tag (-> a2-3 base)))
|
|
)
|
|
(set! (-> gif tag) (new 'static 'gif-tag64 :nloop #x1 :eop #x1 :flg #x1 :nreg #x4))
|
|
(set! (-> gif regs)
|
|
(new 'static 'gif-tag-regs
|
|
:regs0 (gif-reg-id prim)
|
|
:regs1 (gif-reg-id rgbaq)
|
|
:regs2 (gif-reg-id xyzf2)
|
|
:regs3 (gif-reg-id xyzf2)
|
|
)
|
|
)
|
|
(set! (-> a2-3 base) (&+ (the-as pointer gif) 16))
|
|
)
|
|
|
|
;; gif data
|
|
(let* ((a2-4 buf)
|
|
(gif-buf (-> a2-4 base))
|
|
)
|
|
(set! (-> (the-as (pointer gs-prim) gif-buf) 0)
|
|
(new 'static 'gs-prim :prim (gs-prim-type sprite) :abe #x1)
|
|
)
|
|
(set! (-> (the-as (pointer gs-rgbaq) gif-buf) 1)
|
|
(the-as gs-rgbaq (-> context color 0))
|
|
)
|
|
(set! (-> (the-as (pointer gs-xyzf) gif-buf) 2)
|
|
(new 'static 'gs-xyzf :z #x3fffff :y (shl draw-y 4) :x (shl draw-x 4))
|
|
)
|
|
(set! (-> (the-as (pointer gs-xyzf) gif-buf) 3)
|
|
(new 'static 'gs-xyzf
|
|
:z #x3fffff
|
|
:y (shl (max (min (+ draw-y draw-h) (-> *video-parms* screen-maxy)) (-> *video-parms* screen-miny)) 4)
|
|
:x (shl (max 1792 (min 2304 (+ draw-x draw-w))) 4)
|
|
)
|
|
)
|
|
(set! (-> a2-4 base) (&+ gif-buf 32))
|
|
)
|
|
|
|
;; patch up the qwc. This code is super weird.
|
|
(let ((total-qwc (sar (+ (- -16 (the-as int (the-as pointer end-dma))) (the-as int (-> buf base))) 4)))
|
|
(cond
|
|
((nonzero? total-qwc)
|
|
;; this is _not_ a normal bitfield set, but could be oring with a new bitfield?
|
|
(set! (-> (the-as (pointer dma-tag) end-dma) 0)
|
|
(logior
|
|
(-> (the-as (pointer dma-tag) end-dma) 0)
|
|
(the-as uint (new 'static 'dma-tag :qwc total-qwc))
|
|
)
|
|
)
|
|
;; this is an even weirder one (shl, shr, shl nested)?
|
|
(set! (-> (the-as (pointer dma-tag) end-dma) 1)
|
|
(logior (-> (the-as (pointer dma-tag) end-dma) 1)
|
|
(the-as uint (shl (shr (shl total-qwc 48) 48) 32))
|
|
)
|
|
)
|
|
)
|
|
(else
|
|
(set! (-> buf base) (the-as pointer end-dma))
|
|
)
|
|
)
|
|
)
|
|
)
|
|
(none)
|
|
)
|
|
|
|
(defun draw-quad2d ((buf dma-buffer) (context draw-context))
|
|
"Draw a quad that fills the entire context"
|
|
(let ((draw-x (max 1792 (min 2304 (+ (-> context orgx) 1792))))
|
|
(draw-y (max (min (+ (-> context orgy) (-> *video-parms* screen-miny))
|
|
(-> *video-parms* screen-maxy)
|
|
)
|
|
(-> *video-parms* screen-miny))
|
|
)
|
|
(draw-w (-> context width))
|
|
(draw-h (-> context height))
|
|
(end-dma (-> buf base))
|
|
)
|
|
|
|
;; setup dma/vif
|
|
(let* ((t0-0 buf)
|
|
(dma (the-as dma-packet (-> t0-0 base)))
|
|
)
|
|
(set! (-> dma dma) (new 'static 'dma-tag :id (dma-tag-id cnt)))
|
|
(set! (-> dma vif0) (new 'static 'vif-tag))
|
|
(set! (-> dma vif1) (new 'static 'vif-tag :cmd (vif-cmd direct) :msk #x1))
|
|
(set! (-> t0-0 base) (&+ (the-as pointer dma) 16))
|
|
)
|
|
;; setup gif
|
|
(let* ((t0-1 buf)
|
|
(gif (the-as gs-gif-tag (-> t0-1 base)))
|
|
)
|
|
(set! (-> gif tag)
|
|
(new 'static 'gif-tag64 :nloop #x1 :eop #x1 :flg #x1 :nreg #x9)
|
|
)
|
|
(set! (-> gif regs)
|
|
(new 'static 'gif-tag-regs
|
|
:regs1 (gif-reg-id rgbaq)
|
|
:regs2 (gif-reg-id xyzf2)
|
|
:regs3 (gif-reg-id rgbaq)
|
|
:regs4 (gif-reg-id xyzf2)
|
|
:regs5 (gif-reg-id rgbaq)
|
|
:regs6 (gif-reg-id xyzf2)
|
|
:regs7 (gif-reg-id rgbaq)
|
|
:regs8 (gif-reg-id xyzf2)
|
|
)
|
|
)
|
|
(set! (-> t0-1 base) (&+ (the-as pointer gif) 16))
|
|
)
|
|
|
|
;; set gif data
|
|
(let* ((t0-2 buf)
|
|
(gif-buf (-> t0-2 base))
|
|
)
|
|
(set! (-> (the-as (pointer gs-prim) gif-buf) 0)
|
|
(new 'static 'gs-prim :prim (gs-prim-type tri-strip) :iip #x1 :abe #x1)
|
|
)
|
|
(set! (-> (the-as (pointer gs-rgbaq) gif-buf) 1)
|
|
(the-as gs-rgbaq (-> context color 0))
|
|
)
|
|
(set! (-> (the-as (pointer gs-xyzf) gif-buf) 2)
|
|
(new 'static 'gs-xyzf :y (shl draw-y 4) :x (shl draw-x 4))
|
|
)
|
|
(set! (-> (the-as (pointer gs-rgbaq) gif-buf) 3)
|
|
(the-as gs-rgbaq (-> context color 1))
|
|
)
|
|
(set! (-> (the-as (pointer gs-xyzf) gif-buf) 4)
|
|
(new 'static 'gs-xyzf
|
|
:y (shl draw-y 4)
|
|
:x (shl (max 1792 (min 2304 (+ draw-x draw-w))) 4)
|
|
)
|
|
)
|
|
(set! (-> (the-as (pointer gs-rgbaq) gif-buf) 5)
|
|
(the-as gs-rgbaq (-> context color 2))
|
|
)
|
|
(set! (-> (the-as (pointer gs-xyzf) gif-buf) 6)
|
|
(new 'static 'gs-xyzf
|
|
:y (shl (max (min (+ draw-y draw-h) (-> *video-parms* screen-maxy)) (-> *video-parms* screen-miny)) 4)
|
|
:x (shl draw-x 4)
|
|
)
|
|
)
|
|
(set! (-> (the-as (pointer gs-rgbaq) gif-buf) 7)
|
|
(the-as gs-rgbaq (-> context color 3))
|
|
)
|
|
(set! (-> (the-as (pointer gs-xyzf) gif-buf) 8)
|
|
(new 'static 'gs-xyzf
|
|
:y (shl (max (min (+ draw-y draw-h) (-> *video-parms* screen-maxy)) (-> *video-parms* screen-miny)) 4)
|
|
:x (shl (max 1792 (min 2304 (+ draw-x draw-w))) 4)
|
|
)
|
|
)
|
|
(set! (-> (the-as (pointer uint64) gif-buf) 9) (the-as uint 0))
|
|
(set! (-> t0-2 base) (&+ gif-buf 80))
|
|
)
|
|
|
|
;; patch qwc.
|
|
(let ((total-qwc (sar (+ (- -16 (the-as int end-dma)) (the int (-> buf base))) 4)))
|
|
(cond
|
|
((nonzero? total-qwc)
|
|
(set!
|
|
(-> (the-as (pointer dma-tag) end-dma) 0)
|
|
(logior
|
|
(-> (the-as (pointer dma-tag) end-dma) 0)
|
|
(the-as uint (new 'static 'dma-tag :qwc total-qwc))
|
|
)
|
|
)
|
|
(set!
|
|
(-> (the-as (pointer dma-tag) end-dma) 1)
|
|
(logior
|
|
(-> (the-as (pointer dma-tag) end-dma) 1)
|
|
(the-as uint (shl (shr (shl total-qwc 48) 48) 32))
|
|
)
|
|
)
|
|
)
|
|
(else
|
|
(set! (-> buf base) end-dma)
|
|
)
|
|
)
|
|
)
|
|
)
|
|
(none)
|
|
)
|
|
|
|
(defun screen-gradient ((arg0 dma-buffer) (arg1 rgba) (arg2 rgba) (arg3 rgba) (arg4 rgba))
|
|
"Fill the screen with a sprite with the given colors."
|
|
(let ((a1-2 (new 'stack 'draw-context 0 0 512 224 (the-as rgba 0))))
|
|
(set! (-> a1-2 color 0) arg1)
|
|
(set! (-> a1-2 color 1) arg2)
|
|
(set! (-> a1-2 color 2) arg3)
|
|
(set! (-> a1-2 color 3) arg4)
|
|
(draw-quad2d arg0 a1-2)
|
|
)
|
|
(none)
|
|
)
|
|
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
;; INTERRUPT HANDLERS
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
|
;; In debug mode, there was a vif handler that called (add-band (-> *display* profile-bar))
|
|
;; in non-debug, there was a vif interrupt handler that did nothing.
|
|
|
|
;; There was also a vblank hanlder that incremented *vblank-counter*, but it is disabled.
|
|
|
|
(define *oddeven* 0)
|
|
|
|
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
;; More GS State Helpers
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
|
(defun set-display-gs-state ((dma-buf dma-buffer) (fbp int) (scx int) (scy int) (fb-msk int) (psm int))
|
|
"Set various gs state registers"
|
|
(let ((fbw (sar (+ scx 63) 6))) ;; fbw is in 2^6 units.
|
|
;; set dma and vif.
|
|
(let* ((v1-1 dma-buf)
|
|
(dma (the-as dma-packet (-> v1-1 base)))
|
|
)
|
|
;; qwc = 8 -> 1 gif tag + 7 A+D regs.
|
|
(set! (-> dma dma) (new 'static 'dma-tag :qwc #x8 :id (dma-tag-id cnt)))
|
|
(set! (-> dma vif0) (new 'static 'vif-tag :cmd (vif-cmd flusha) :msk #x1))
|
|
(set! (-> dma vif1) (new 'static 'vif-tag :imm #x8 :cmd (vif-cmd direct) :msk #x1))
|
|
(set! (-> v1-1 base) (&+ (the-as pointer dma) 16))
|
|
)
|
|
|
|
;; setup gif.
|
|
(let* ((v1-2 dma-buf)
|
|
(gif (the-as gs-gif-tag (-> v1-2 base)))
|
|
)
|
|
(set! (-> gif tag) (new 'static 'gif-tag64 :nloop #x1 :eop #x1 :nreg #x7))
|
|
(set! (-> gif regs)
|
|
(new 'static 'gif-tag-regs
|
|
:regs0 (gif-reg-id a+d)
|
|
:regs1 (gif-reg-id a+d)
|
|
:regs2 (gif-reg-id a+d)
|
|
:regs3 (gif-reg-id a+d)
|
|
:regs4 (gif-reg-id a+d)
|
|
:regs5 (gif-reg-id a+d)
|
|
:regs6 (gif-reg-id a+d)
|
|
:regs7 (gif-reg-id a+d)
|
|
:regs8 (gif-reg-id a+d)
|
|
:regs9 (gif-reg-id a+d)
|
|
:regs10 (gif-reg-id a+d)
|
|
:regs11 (gif-reg-id a+d)
|
|
:regs12 (gif-reg-id a+d)
|
|
:regs13 (gif-reg-id a+d)
|
|
:regs14 (gif-reg-id a+d)
|
|
:regs15 (gif-reg-id a+d)
|
|
)
|
|
)
|
|
(set! (-> v1-2 base) (&+ (the-as pointer gif) 16))
|
|
)
|
|
|
|
;; set gif data.
|
|
(let* ((v1-3 dma-buf)
|
|
(gif-buf (-> v1-3 base))
|
|
)
|
|
;; scissor
|
|
(set! (-> (the-as (pointer gs-scissor) gif-buf) 0)
|
|
(new 'static 'gs-scissor :scax1 (+ scx -1) :scay1 (+ scy -1))
|
|
)
|
|
(set! (-> (the-as (pointer gs-reg64) gif-buf) 1) (gs-reg64 scissor-1))
|
|
;; offset
|
|
(set! (-> (the-as (pointer gs-xy-offset) gif-buf) 2) (new 'static 'gs-xy-offset))
|
|
(set! (-> (the-as (pointer gs-reg64) gif-buf) 3) (gs-reg64 xyoffset-1))
|
|
;; frame
|
|
(set! (-> (the-as (pointer gs-frame) gif-buf) 4)
|
|
(new 'static 'gs-frame :fbp fbp :fbw fbw :psm psm :fbmsk fb-msk)
|
|
)
|
|
(set! (-> (the-as (pointer gs-reg64) gif-buf) 5) (gs-reg64 frame-1))
|
|
;; ztest
|
|
(set! (-> (the-as (pointer gs-test) gif-buf) 6)
|
|
(new 'static 'gs-test :zte #x1 :ztst #x1)
|
|
)
|
|
(set! (-> (the-as (pointer gs-reg64) gif-buf) 7) (gs-reg64 test-1))
|
|
;; texa
|
|
(set! (-> (the-as (pointer gs-texa) gif-buf) 8)
|
|
(new 'static 'gs-texa :ta0 #x80 :ta1 #x80)
|
|
)
|
|
(set! (-> (the-as (pointer gs-reg64) gif-buf) 9) (gs-reg64 texa))
|
|
;; zbuf
|
|
(set! (-> (the-as (pointer gs-zbuf) gif-buf) 10)
|
|
(new 'static 'gs-zbuf :zbp #x1c0 :psm #x1 :zmsk #x1)
|
|
)
|
|
(set! (-> (the-as (pointer gs-reg64) gif-buf) 11) (gs-reg64 zbuf-1))
|
|
;; texflush
|
|
(set! (-> (the-as (pointer uint64) gif-buf) 12) (the-as uint 0))
|
|
(set! (-> (the-as (pointer gs-reg64) gif-buf) 13) (gs-reg64 texflush))
|
|
(set! (-> v1-3 base) (&+ gif-buf 112))
|
|
)
|
|
)
|
|
dma-buf
|
|
)
|
|
|
|
(defun set-display-gs-state-offset ((dma-buf dma-buffer) (fbp int) (width int) (height int) (fb-msk int) (psm int) (off-x int) (off-y int))
|
|
"Set various gs state registers"
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|
(let ((fbw (sar (+ width 63) 6)))
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|
(let* ((v1-1 dma-buf)
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|
(dma (the-as dma-packet (-> v1-1 base)))
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|
)
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|
(set! (-> dma dma) (new 'static 'dma-tag :qwc #x8 :id (dma-tag-id cnt)))
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|
(set! (-> dma vif0) (new 'static 'vif-tag :cmd (vif-cmd flusha) :msk #x1))
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|
(set! (-> dma vif1)
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|
(new 'static 'vif-tag :imm #x8 :cmd (vif-cmd direct) :msk #x1)
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|
)
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|
(set! (-> v1-1 base) (&+ (the-as pointer dma) 16))
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|
)
|
|
(let* ((v1-2 dma-buf)
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|
(gif (the-as gs-gif-tag (-> v1-2 base)))
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|
)
|
|
(set! (-> gif tag) (new 'static 'gif-tag64 :nloop #x1 :eop #x1 :nreg #x7))
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|
(set! (-> gif regs)
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|
(new 'static 'gif-tag-regs
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|
:regs0 (gif-reg-id a+d)
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|
:regs1 (gif-reg-id a+d)
|
|
:regs2 (gif-reg-id a+d)
|
|
:regs3 (gif-reg-id a+d)
|
|
:regs4 (gif-reg-id a+d)
|
|
:regs5 (gif-reg-id a+d)
|
|
:regs6 (gif-reg-id a+d)
|
|
:regs7 (gif-reg-id a+d)
|
|
:regs8 (gif-reg-id a+d)
|
|
:regs9 (gif-reg-id a+d)
|
|
:regs10 (gif-reg-id a+d)
|
|
:regs11 (gif-reg-id a+d)
|
|
:regs12 (gif-reg-id a+d)
|
|
:regs13 (gif-reg-id a+d)
|
|
:regs14 (gif-reg-id a+d)
|
|
:regs15 (gif-reg-id a+d)
|
|
)
|
|
)
|
|
(set! (-> v1-2 base) (&+ (the-as pointer gif) 16))
|
|
)
|
|
(let* ((v1-3 dma-buf)
|
|
(gif-data (the-as (pointer uint64) (-> v1-3 base)))
|
|
)
|
|
(set! (-> (the-as (pointer gs-scissor) gif-data) 0)
|
|
(new 'static 'gs-scissor :scax1 (+ width -1) :scay1 (+ height -1))
|
|
)
|
|
(set! (-> (the-as (pointer gs-reg64) gif-data) 1) (gs-reg64 scissor-1))
|
|
(set! (-> (the-as (pointer gs-xy-offset) gif-data) 2)
|
|
(new 'static 'gs-xy-offset :ofx (shl off-x 4) :ofy (shl off-y 4))
|
|
)
|
|
(set! (-> (the-as (pointer gs-reg64) gif-data) 3) (gs-reg64 xyoffset-1))
|
|
(set! (-> (the-as (pointer gs-frame) gif-data) 4)
|
|
(new 'static 'gs-frame :fbp fbp :fbw fbw :psm psm :fbmsk fb-msk)
|
|
)
|
|
(set! (-> (the-as (pointer gs-reg64) gif-data) 5) (gs-reg64 frame-1))
|
|
(set! (-> (the-as (pointer gs-test) gif-data) 6)
|
|
(new 'static 'gs-test :zte #x1 :ztst #x1)
|
|
)
|
|
(set! (-> (the-as (pointer gs-reg64) gif-data) 7) (gs-reg64 test-1))
|
|
(set! (-> (the-as (pointer gs-texa) gif-data) 8)
|
|
(new 'static 'gs-texa :ta0 #x80 :ta1 #x80)
|
|
)
|
|
(set! (-> (the-as (pointer gs-reg64) gif-data) 9) (gs-reg64 texa))
|
|
(set! (-> (the-as (pointer gs-zbuf) gif-data) 10)
|
|
(new 'static 'gs-zbuf :zbp #x1c0 :psm #x1 :zmsk #x1)
|
|
)
|
|
(set! (-> (the-as (pointer gs-reg64) gif-data) 11) (gs-reg64 zbuf-1))
|
|
(set! (-> gif-data 12) (the-as uint 0))
|
|
(set! (-> (the-as (pointer gs-reg64) gif-data) 13) (gs-reg64 texflush))
|
|
(set! (-> v1-3 base) (&+ (the-as pointer gif-data) 112))
|
|
)
|
|
)
|
|
dma-buf
|
|
)
|
|
|
|
(defun reset-display-gs-state ((disp display) (dma-buf dma-buffer) (oddeven int))
|
|
"Set the gs state back to something reasonable"
|
|
(let* ((onscreen (-> disp on-screen))
|
|
(hoff (shl oddeven 3)) ;; half pixel offset.
|
|
(fbp (-> disp frames onscreen draw frame1 fbp))
|
|
)
|
|
;; set dma/vif
|
|
(let* ((a3-1 dma-buf)
|
|
(dma (the-as dma-packet (-> a3-1 base)))
|
|
)
|
|
(set! (-> dma dma) (new 'static 'dma-tag :qwc #x8 :id (dma-tag-id cnt)))
|
|
(set! (-> dma vif0) (new 'static 'vif-tag :cmd (vif-cmd flusha) :msk #x1))
|
|
(set!
|
|
(-> dma vif1)
|
|
(new 'static 'vif-tag :imm #x8 :cmd (vif-cmd direct) :msk #x1)
|
|
)
|
|
(set! (-> a3-1 base) (&+ (the-as pointer dma) 16))
|
|
)
|
|
|
|
;; setup gif
|
|
(let* ((a3-2 dma-buf)
|
|
(gif (the-as gs-gif-tag (-> a3-2 base)))
|
|
)
|
|
(set! (-> gif tag) (new 'static 'gif-tag64 :nloop #x1 :eop #x1 :nreg #x7))
|
|
(set!
|
|
(-> gif regs)
|
|
(new 'static 'gif-tag-regs
|
|
:regs0 (gif-reg-id a+d)
|
|
:regs1 (gif-reg-id a+d)
|
|
:regs2 (gif-reg-id a+d)
|
|
:regs3 (gif-reg-id a+d)
|
|
:regs4 (gif-reg-id a+d)
|
|
:regs5 (gif-reg-id a+d)
|
|
:regs6 (gif-reg-id a+d)
|
|
:regs7 (gif-reg-id a+d)
|
|
:regs8 (gif-reg-id a+d)
|
|
:regs9 (gif-reg-id a+d)
|
|
:regs10 (gif-reg-id a+d)
|
|
:regs11 (gif-reg-id a+d)
|
|
:regs12 (gif-reg-id a+d)
|
|
:regs13 (gif-reg-id a+d)
|
|
:regs14 (gif-reg-id a+d)
|
|
:regs15 (gif-reg-id a+d)
|
|
)
|
|
)
|
|
(set! (-> a3-2 base) (&+ (the-as pointer gif) 16))
|
|
)
|
|
(let ((gif-data (the-as (pointer uint64) (-> dma-buf base))))
|
|
(set! (-> (the-as (pointer gs-scissor) gif-data) 0)
|
|
(new 'static 'gs-scissor
|
|
:scax1 #x1ff
|
|
:scay1 (-> *video-parms* screen-masky)
|
|
)
|
|
)
|
|
(set! (-> (the-as (pointer gs-reg64) gif-data) 1) (gs-reg64 scissor-1))
|
|
|
|
(set! (-> (the-as (pointer gs-xy-offset) gif-data) 2)
|
|
(new 'static 'gs-xy-offset
|
|
:ofx #x7000
|
|
:ofy (+ (shl (-> *video-parms* screen-miny) 4) hoff)
|
|
)
|
|
)
|
|
(set! (-> (the-as (pointer gs-reg64) gif-data) 3) (gs-reg64 xyoffset-1))
|
|
|
|
(set! (-> (the-as (pointer gs-frame) gif-data) 4)
|
|
(new 'static 'gs-frame :fbw #x8 :fbp (the-as int fbp))
|
|
)
|
|
(set! (-> (the-as (pointer gs-reg64) gif-data) 5) (gs-reg64 frame-1))
|
|
|
|
(set! (-> (the-as (pointer gs-test) gif-data) 6)
|
|
(new 'static 'gs-test :atst #x7 :zte #x1 :ztst #x2)
|
|
)
|
|
(set! (-> (the-as (pointer gs-reg64) gif-data) 7) (gs-reg64 test-1))
|
|
|
|
(set! (-> (the-as (pointer gs-texa) gif-data) 8)
|
|
(new 'static 'gs-texa :ta1 #x80)
|
|
)
|
|
(set! (-> (the-as (pointer gs-reg64) gif-data) 9) (gs-reg64 texa))
|
|
|
|
(set! (-> (the-as (pointer gs-zbuf) gif-data) 10)
|
|
(new 'static 'gs-zbuf :zbp #x1c0 :psm #x1)
|
|
)
|
|
(set! (-> (the-as (pointer gs-reg64) gif-data) 11) (gs-reg64 zbuf-1))
|
|
|
|
(set! (-> gif-data 12) (the-as uint 0))
|
|
(set! (-> (the-as (pointer gs-reg64) gif-data) 13) (gs-reg64 texflush))
|
|
|
|
(set! (-> dma-buf base) (&+ (the-as pointer gif-data) 112))
|
|
)
|
|
)
|
|
(none)
|
|
)
|
|
|
|
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
;; Display Setup
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
|
;; separate dma list for VU0
|
|
(define *vu0-dma-list* (new 'global 'dma-buffer 4096))
|
|
|
|
;; main display structure
|
|
(define *display* (new 'global 'display 0 512 256 2 49))
|
|
|
|
;; main dma
|
|
(allocate-dma-buffers *display*)
|