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reduce memory footprint of sla mode

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This commit is contained in:
Stewart Allen 2020-04-19 16:29:13 -04:00
commit 1589a63ec0
4 changed files with 37 additions and 21 deletions
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37
js/kiri-driver-sla.js
View file

@ -203,6 +203,8 @@ let gs_kiri_sla = exports;
scaleX = width / device.bedWidth,
scaleY = height / device.bedDepth;
let mark = Date.now();
widgets.forEach(widget => {
layermax = Math.max(widget.slices.length);
});
@ -243,12 +245,19 @@ let gs_kiri_sla = exports;
console.log({no_slice_at: index})
}
});
output.push(ctx.getImageData(0,0,height,width));
let data = ctx.getImageData(0,0,height,width).data;
let red = new Uint8ClampedArray(data.length / 4);
for (let i=0; i<red.length; i++) {
red[i] = data[i*4];
}
output.push(red);
update(index / layermax);
if (count === 0) break;
}
update(1);
console.log('print.setup', Date.now() - mark);
};
/**
@ -262,13 +271,14 @@ let gs_kiri_sla = exports;
settings = print.settings,
device = settings.device,
process = settings.process,
output = print.output;
output = print.output,
mark = Date.now();
print.images.forEach((image,index) => {
online({
progress: (index / print.images.length) * 0.25,
message: "image_xfer",
data: image.data
data: image
});
});
@ -286,7 +296,7 @@ let gs_kiri_sla = exports;
let file = exp_func(print, {
width: 2560,
height: 1440,
lines: print.images.map(i => i.data),
lines: print.images,
small: previewSmall.data,
large: previewLarge.data
}, (progress, message) => {
@ -301,6 +311,7 @@ let gs_kiri_sla = exports;
// release memory
print.images = null;
console.log('print.export', Date.now() - mark);
};
// runs in browser main
@ -383,15 +394,14 @@ let gs_kiri_sla = exports;
let ctx = canvas.getContext('2d');
let img = ctx.createImageData(done.height, done.width);
let imgDV = new DataView(img.data.buffer);
let range = $('print-range');
range.value = 0;
range.min = 0;
range.max = lines.length - 1;
range.oninput = function() {
let lineDV = new DataView(lines[range.value].buffer);
for (let i=0; i<lineDV.byteLength; i+=4) {
imgDV.setUint32(i, lineDV.getUint32(i));
for (let i=0; i<lineDV.byteLength; i++) {
imgDV.setUint32(i*4, lineDV.getUint8(i));
}
ctx.putImageData(img,0,0);
$('print-layer').innerText = range.value.padStart(4,'0');
@ -426,17 +436,12 @@ let gs_kiri_sla = exports;
for (let i=0; i<subcount; i++) {
masks.push((1 << (8 - i * d)) - 1);
}
// let d = 8 / subcount;
// let m = (1 << d) - 1;
// for (let i=0; i<subcount; i++) {
// masks.push(m << (i * d));
// }
let ccl = 0;
let tcl = conf.lines.length * subcount;
let converted = conf.lines.map((line, index) => {
let count = line.length / 4;
let count = line.length;
let lineDV = new DataView(line.buffer);
let bits = new Uint8Array(line.length / 4), bits2;
let bits = new Uint8Array(line.length), bits2;
let bitsDV = new DataView(bits.buffer), bitsDV2;
let subs = [{ data: bits, view: bitsDV }];
for (let sl=1; sl<subcount; sl++) {
@ -449,10 +454,10 @@ let gs_kiri_sla = exports;
let view = subs[s].view;
let mask = masks[s];
for (let i = 0; i < count; i++) {
let dv = lineDV.getUint8(i * 4);
let dv = lineDV.getUint8(i);
view.setUint8(i, (dv / subcount) & mask ? 1 : 0);
}
progress((ccl++/tcl) * 0.4, "layer_convert");
progress((ccl++/tcl) * 0.4, `layer_convert`);
}
return { subs };
});

9
js/kiri-export.js
View file

@ -32,7 +32,14 @@ let gs_kiri_export = exports;
case 'SLA': return exportPrintSLA(currentPrint);
}
} else {
API.function.print(exportPrint);
switch (API.mode.get()) {
case 'SLA':
API.function.slice(exportPrint);
break;
default:
API.function.print(exportPrint);
break;
}
}
}

3
js/kiri-worker.js
View file

@ -78,8 +78,6 @@ let dispatch = {
send.data({send_end: time()});
}
send.done({done: true});
// cache results for future printing
// cache[data.id] = widget;
}, function(update, msg) {
now = util.time();
if (now - last < 10 && update < 0.99) return;
@ -140,6 +138,7 @@ let dispatch = {
},
clear: function(data, send) {
currentSnap = null;
currentPrint = null;
if (!data.id) {
cache = {};

9
js/kiri.js
View file

@ -679,9 +679,12 @@ self.kiri.copyright = exports.COPYRIGHT;
currentPrint = kiri.newPrint(settings, WIDGETS);
currentPrint.setup(true, function(update, status) {
// on update
setProgress(tpBase + update * tpFactor, status);
}, function() {
if (!currentPrint) {
return setViewMode(VIEWS.ARRANGE);
}
setProgress(0);
if (skipSliceView) {
@ -788,12 +791,14 @@ self.kiri.copyright = exports.COPYRIGHT;
}
// on the last exit, update ui and call the callback
if (--countdown === 0 || error || errored) {
setProgress(0);
if (skipSliceView) {
if (!(error || errored)) {
preparePrint(callback);
} else {
setProgress(0);
}
} else {
setProgress(0);
showSlices(preserveLayer);
setOpacity(settings.mode === 'CAM' ? color.cam_sliced_opacity : color.sliced_opacity);
if (callback && typeof callback === 'function') {