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add palette support (default is still greyscale for now)

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Dennis Ranke
2021-11-13 22:29:20 +01:00
parent 944856b267
commit 294b9f5634
6 changed files with 49 additions and 17 deletions
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8
web/src/main.js
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@@ -105,7 +105,7 @@ async function runModule(data) {
let instance = new WebAssembly.Instance(await WebAssembly.compile(data), importObject);
let buffer = imageData.data;
let buffer = new Uint32Array(imageData.data.buffer);
let startTime = Date.now();
@@ -121,11 +121,9 @@ async function runModule(data) {
instance.exports.tic(Date.now() - startTime);
let framebuffer = new Uint8Array(importObject.env.memory.buffer.slice(120, 120 + 320 * 256));
let palette = new Uint32Array(importObject.env.memory.buffer.slice(82040, 82040 + 1024));
for (let i = 0; i < 320 * 256; ++i) {
buffer[i * 4] = framebuffer[i];
buffer[i * 4 + 1] = framebuffer[i];
buffer[i * 4 + 2] = framebuffer[i];
buffer[i * 4 + 3] = 255;
buffer[i] = palette[framebuffer[i]] | 0xff000000;
}
framebufferCanvasCtx.putImageData(imageData, 0, 0);
canvasCtx.imageSmoothingEnabled = false;