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Forcing resize due to GPU limits on some devices #31

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Feb 1, 2025
Merged

Forcing resize due to GPU limits on some devices #31

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39 changes: 31 additions & 8 deletions client/src/pages/tabletop-page/tabletop-component/table-canvas/table-canvas.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -352,8 +352,31 @@ export default class TableCanvas extends SuperComponent<ITableCanvas> {
this.image.crossOrigin = "anonymous";
this.image.src = imageSrc;
this.image.onload = () => {
this.pos.x = (this.w * 0.5) - (this.image.width * 0.5);
this.pos.y = ((this.h - 28) * 0.5) - (this.image.height * 0.5);

let canvas = null;
let width = this.image.width;
let height = this.image.height;
if (this.image.height > 8000 || this.image.width > 8000) {
console.log("too big, doing resize");
const scaleFactor = 8000 / Math.max(this.image.width, this.image.height);
width = Math.floor(this.image.width * scaleFactor);
height = Math.floor(this.image.height * scaleFactor);

canvas = document.createElement('canvas');
canvas.width = width;
canvas.height = height;

const ctx = canvas.getContext('2d');
ctx.drawImage(this.image, 0, 0, width, height);

console.log("switched to canvas", width, height);

this.image.width = width;
this.image.height = height;
}

this.pos.x = (this.w * 0.5) - (width * 0.5);
this.pos.y = ((this.h - 28) * 0.5) - (height * 0.5);

this.imgProgram = new Program(this.gl)
.add_vertex_shader(map_vert_shader)
Expand All @@ -363,9 +386,9 @@ export default class TableCanvas extends SuperComponent<ITableCanvas> {
.build_attributes(["a_position", "a_texCoord"])
.set_verticies(new Float32Array([
0, 0, 0.0, 0.0, // top-left
this.image.width, 0, 1.0, 0.0, // top-right
0, this.image.height, 0.0, 1.0, // bottom-left
this.image.width, this.image.height, 1.0, 1.0 // bottom-right
width, 0, 1.0, 0.0, // top-right
0, height, 0.0, 1.0, // bottom-left
width, height, 1.0, 1.0 // bottom-right
]))
.set_indices(new Uint16Array([
0, 1, 2, // First triangle
Expand Down Expand Up @@ -395,9 +418,9 @@ export default class TableCanvas extends SuperComponent<ITableCanvas> {

this.gl.activeTexture(this.gl.TEXTURE0);
this.gl.bindTexture(this.gl.TEXTURE_2D, this.imgProgram.get_texture());
this.gl.texImage2D(this.gl.TEXTURE_2D, 0, this.gl.RGBA, this.gl.RGBA, this.gl.UNSIGNED_BYTE, this.image);
this.gl.texImage2D(this.gl.TEXTURE_2D, 0, this.gl.RGBA, this.gl.RGBA, this.gl.UNSIGNED_BYTE, canvas || this.image);

if (this.isPowerOfTwo(this.image.width) && this.isPowerOfTwo(this.image.height)) {
if (this.isPowerOfTwo(width) && this.isPowerOfTwo(height)) {
this.gl.texParameteri(this.gl.TEXTURE_2D, this.gl.TEXTURE_MIN_FILTER, this.gl.LINEAR_MIPMAP_NEAREST);
this.gl.texParameteri(this.gl.TEXTURE_2D, this.gl.TEXTURE_MAG_FILTER, this.gl.NEAREST);
this.gl.generateMipmap(this.gl.TEXTURE_2D);
Expand Down Expand Up @@ -426,7 +449,7 @@ export default class TableCanvas extends SuperComponent<ITableCanvas> {

this.doMove = true;
this.animationId = window.requestAnimationFrame(this.firstFrame.bind(this));
return resolve([this.image.width, this.image.height]);
return resolve([width, height]);
};
});
}
Expand Down