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WebAssembly runtime: rebuild at micropython-pydevices 1b9e2ea #33

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Merged
bdbarnett merged 1 commit into from
Nov 3, 2026
Merged

WebAssembly runtime: rebuild at micropython-pydevices 1b9e2ea #33

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53 changes: 44 additions & 9 deletions assets/pydevices/micropython.mjs
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Original file line number Diff line number Diff line change
Expand Up @@ -4583,23 +4583,50 @@ var findStringEnd = (heapOrArray, idx, maxBytesToRead, ignoreNul) => {
};



var pydevices_rgba = () => {
if (!pydevices_state.rgba) {
const table = pydevices_state.rgba = new Uint32Array(65536);
const color = new Uint8ClampedArray(4);
const word = new Uint32Array(color.buffer);
for (let value = 0; value < 65536; value++) {
color[0] = ((value >> 11) & 31) * 255 / 31;
color[1] = ((value >> 5) & 63) * 255 / 63;
color[2] = (value & 31) * 255 / 31;
color[3] = 255;
table[value] = word[0];
}
}
return pydevices_state.rgba;
};
var pydevices_paint = () => {
const state = pydevices_state;
let active = false;
for (const display of state.displays.values()) {
const fb = display.framebuffer;
if (!fb || !display.context) continue;
active = true;
const src = HEAPU8.subarray(fb.ptr, fb.ptr + fb.width * fb.height * 2);
const dst = display.image.data;
for (let s = 0, d = 0; s < src.length; s += 2, d += 4) {
const value = src[s] | (src[s + 1] << 8);
dst[d] = ((value >> 11) & 31) * 255 / 31;
dst[d + 1] = ((value >> 5) & 63) * 255 / 63;
dst[d + 2] = (value & 31) * 255 / 31;
dst[d + 3] = 255;
// This scan runs every frame and shares its thread with the audio
// writes, so it has to be cheap: a table lookup, and only for the
// pixels that changed, and no canvas call when none did.
const count = fb.width * fb.height;
const src = fb.ptr & 1 ? new Uint16Array(HEAPU8.slice(fb.ptr, fb.ptr + count * 2).buffer)
: new Uint16Array(HEAPU8.buffer, fb.ptr, count);
const {shown, pixels} = display;
const rgba = pydevices_rgba();
let changed = !display.painted;
for (let i = 0; i < count; i++) {
const value = src[i];
if (value !== shown[i]) {
shown[i] = value;
pixels[i] = rgba[value];
changed = true;
}
}
if (changed) {
display.context.putImageData(display.image, 0, 0);
display.painted = true;
}
display.context.putImageData(display.image, 0, 0);
display.framesPainted++;
}
if (!active) { state.animation = 0; return; }
Expand Down Expand Up @@ -4717,6 +4744,7 @@ var findStringEnd = (heapOrArray, idx, maxBytesToRead, ignoreNul) => {
};
};


var _pydevices_display_register = (ptr, len, width, height, canvasPtr) => {
if (typeof document === 'undefined') return 0;
const canvasId = UTF8ToString(canvasPtr);
Expand All @@ -4729,6 +4757,12 @@ var findStringEnd = (heapOrArray, idx, maxBytesToRead, ignoreNul) => {
display.canvas = canvas;
display.context = context;
display.image = context.createImageData(width, height);
// What the canvas shows, as RGB565, and the same pixels as the words of
// the image: both start black, to match the framebuffer's zeros.
display.shown = new Uint16Array(width * height);
display.pixels = new Uint32Array(display.image.data.buffer);
display.pixels.fill(pydevices_rgba()[0]);
display.painted = false;
display.framesPainted = 0;
pydevices_install_input(canvas, canvasId);
pydevices_export_host();
Expand Down Expand Up @@ -5771,6 +5805,7 @@ missingLibrarySymbols.forEach(missingLibrarySymbol)
'pydevices_relative_point',
'pydevices_install_input',
'pydevices_release_canvas',
'pydevices_rgba',
'pydevices_paint',
'pydevices_export_host',
'pydevices_decode_pcm',
Expand Down
Binary file modified assets/pydevices/micropython.wasm
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Binary file not shown.
88 changes: 44 additions & 44 deletions assets/pydevices/micropython.wasm.provenance
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Original file line number Diff line number Diff line change
@@ -1,10 +1,10 @@
{
"binary": {
"name": "micropython.wasm",
"sha256": "933e642b1397dbc331da106b7b5cfe8e5e867ef2f116714d776874ac902a9d81",
"sha256": "ccfa3c47b90920650c49561ace5fedb58bd8bda34c98b42e3c585316a7ac17fc",
"size": 8142825
},
"built_by": "https://github.com/PyDevices/micropython-pydevices/actions/runs/41586523147",
"built_by": "https://github.com/PyDevices/micropython-pydevices/actions/runs/41597089596",
"format": 1,
"install_only": false,
"modules": "all",
Expand Down Expand Up @@ -57,72 +57,72 @@
"port": "webassembly",
"sources": {
"audiocomponents": {
"describe": "363eebf5a560",
"describe": "1b9e2ea23015",
"dirty": false,
"head": "363eebf5a56097651e1d949f943160b6f61238d8"
"head": "1b9e2ea23015c015f7fa0d1528da84aaa5b13752"
},
"audiodsp": {
"describe": "14be12c475f7",
"dirty": false,
"head": "14be12c475f73423cfd422128e26874966984111"
},
"audioeffects": {
"describe": "363eebf5a560",
"describe": "1b9e2ea23015",
"dirty": false,
"head": "363eebf5a56097651e1d949f943160b6f61238d8"
"head": "1b9e2ea23015c015f7fa0d1528da84aaa5b13752"
},
"audioif": {
"describe": "363eebf5a560",
"describe": "1b9e2ea23015",
"dirty": false,
"head": "363eebf5a56097651e1d949f943160b6f61238d8"
"head": "1b9e2ea23015c015f7fa0d1528da84aaa5b13752"
},
"audioinstruments": {
"describe": "363eebf5a560",
"describe": "1b9e2ea23015",
"dirty": false,
"head": "363eebf5a56097651e1d949f943160b6f61238d8"
"head": "1b9e2ea23015c015f7fa0d1528da84aaa5b13752"
},
"cameraif": {
"describe": "363eebf5a560",
"describe": "1b9e2ea23015",
"dirty": false,
"head": "363eebf5a56097651e1d949f943160b6f61238d8"
"head": "1b9e2ea23015c015f7fa0d1528da84aaa5b13752"
},
"castif": {
"describe": "363eebf5a560",
"describe": "1b9e2ea23015",
"dirty": false,
"head": "363eebf5a56097651e1d949f943160b6f61238d8"
"head": "1b9e2ea23015c015f7fa0d1528da84aaa5b13752"
},
"displayif": {
"describe": "363eebf5a560",
"describe": "1b9e2ea23015",
"dirty": false,
"head": "363eebf5a56097651e1d949f943160b6f61238d8"
"head": "1b9e2ea23015c015f7fa0d1528da84aaa5b13752"
},
"h264enc": {
"describe": "363eebf5a560",
"describe": "1b9e2ea23015",
"dirty": false,
"head": "363eebf5a56097651e1d949f943160b6f61238d8"
"head": "1b9e2ea23015c015f7fa0d1528da84aaa5b13752"
},
"jpegio": {
"describe": "363eebf5a560",
"describe": "1b9e2ea23015",
"dirty": false,
"head": "363eebf5a56097651e1d949f943160b6f61238d8"
"head": "1b9e2ea23015c015f7fa0d1528da84aaa5b13752"
},
"mdns": {
"describe": "363eebf5a560",
"describe": "1b9e2ea23015",
"dirty": false,
"head": "363eebf5a56097651e1d949f943160b6f61238d8"
"head": "1b9e2ea23015c015f7fa0d1528da84aaa5b13752"
},
"micropython": {
"describe": "89a8b7093c17"
"describe": "47df9e1f71b0"
},
"micropython-lib": {
"describe": "363eebf5a560",
"describe": "1b9e2ea23015",
"dirty": false,
"head": "363eebf5a56097651e1d949f943160b6f61238d8"
"head": "1b9e2ea23015c015f7fa0d1528da84aaa5b13752"
},
"micropython-pydevices": {
"describe": "363eebf",
"describe": "1b9e2ea",
"dirty": false,
"head": "363eebf5a56097651e1d949f943160b6f61238d8"
"head": "1b9e2ea23015c015f7fa0d1528da84aaa5b13752"
},
"omnipython-lib": {
"describe": "e6325630cd18",
Expand All @@ -135,56 +135,56 @@
"head": "e2254f39a8e548be3e9b886dfef3f84d2155aa27"
},
"palettes": {
"describe": "363eebf5a560",
"describe": "1b9e2ea23015",
"dirty": false,
"head": "363eebf5a56097651e1d949f943160b6f61238d8"
"head": "1b9e2ea23015c015f7fa0d1528da84aaa5b13752"
},
"pdwidgets": {
"describe": "363eebf5a560",
"describe": "1b9e2ea23015",
"dirty": false,
"head": "363eebf5a56097651e1d949f943160b6f61238d8"
"head": "1b9e2ea23015c015f7fa0d1528da84aaa5b13752"
},
"pngio": {
"describe": "363eebf5a560",
"describe": "1b9e2ea23015",
"dirty": false,
"head": "363eebf5a56097651e1d949f943160b6f61238d8"
"head": "1b9e2ea23015c015f7fa0d1528da84aaa5b13752"
},
"ppa": {
"describe": "363eebf5a560",
"describe": "1b9e2ea23015",
"dirty": false,
"head": "363eebf5a56097651e1d949f943160b6f61238d8"
"head": "1b9e2ea23015c015f7fa0d1528da84aaa5b13752"
},
"pydevices": {
"describe": "363eebf5a560",
"describe": "1b9e2ea23015",
"dirty": false,
"head": "363eebf5a56097651e1d949f943160b6f61238d8"
"head": "1b9e2ea23015c015f7fa0d1528da84aaa5b13752"
},
"pygraphics": {
"describe": "f97fd2e20e73",
"dirty": false,
"head": "f97fd2e20e73f23c2138ab52a630cf04b0a7aea1"
},
"sayso": {
"describe": "363eebf5a560",
"describe": "1b9e2ea23015",
"dirty": false,
"head": "363eebf5a56097651e1d949f943160b6f61238d8"
"head": "1b9e2ea23015c015f7fa0d1528da84aaa5b13752"
},
"tsmux": {
"describe": "363eebf5a560",
"describe": "1b9e2ea23015",
"dirty": false,
"head": "363eebf5a56097651e1d949f943160b6f61238d8"
"head": "1b9e2ea23015c015f7fa0d1528da84aaa5b13752"
},
"ulab": {
"describe": "1d3ddd8f5228",
"dirty": false,
"head": "1d3ddd8f5228e2c7335dac71f4846e6abb0ec9f9"
},
"usbhost": {
"describe": "363eebf5a560",
"describe": "1b9e2ea23015",
"dirty": false,
"head": "363eebf5a56097651e1d949f943160b6f61238d8"
"head": "1b9e2ea23015c015f7fa0d1528da84aaa5b13752"
}
},
"stamped": "2026-11-03T05:56:11+00:00",
"stamped": "2026-11-03T07:36:04+00:00",
"target": "mp-wasm"
}
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