| 1 | import { TARGETS } from '@pixi/constants';
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| 2 | import { AbstractMultiResource } from './AbstractMultiResource.mjs';
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| 3 |
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| 4 | class ArrayResource extends AbstractMultiResource {
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| 5 | constructor(source, options) {
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| 6 | const { width, height } = options || {};
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| 7 | let urls;
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| 8 | let length;
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| 9 | if (Array.isArray(source)) {
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| 10 | urls = source;
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| 11 | length = source.length;
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| 12 | } else {
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| 13 | length = source;
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| 14 | }
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| 15 | super(length, { width, height });
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| 16 | if (urls) {
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| 17 | this.initFromArray(urls, options);
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| 18 | }
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| 19 | }
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| 20 | addBaseTextureAt(baseTexture, index) {
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| 21 | if (baseTexture.resource) {
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| 22 | this.addResourceAt(baseTexture.resource, index);
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| 23 | } else {
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| 24 | throw new Error("ArrayResource does not support RenderTexture");
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| 25 | }
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| 26 | return this;
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| 27 | }
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| 28 | bind(baseTexture) {
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| 29 | super.bind(baseTexture);
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| 30 | baseTexture.target = TARGETS.TEXTURE_2D_ARRAY;
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| 31 | }
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| 32 | upload(renderer, texture, glTexture) {
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| 33 | const { length, itemDirtyIds, items } = this;
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| 34 | const { gl } = renderer;
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| 35 | if (glTexture.dirtyId < 0) {
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| 36 | gl.texImage3D(gl.TEXTURE_2D_ARRAY, 0, glTexture.internalFormat, this._width, this._height, length, 0, texture.format, glTexture.type, null);
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| 37 | }
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| 38 | for (let i = 0; i < length; i++) {
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| 39 | const item = items[i];
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| 40 | if (itemDirtyIds[i] < item.dirtyId) {
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| 41 | itemDirtyIds[i] = item.dirtyId;
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| 42 | if (item.valid) {
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| 43 | gl.texSubImage3D(gl.TEXTURE_2D_ARRAY, 0, 0, 0, i, item.resource.width, item.resource.height, 1, texture.format, glTexture.type, item.resource.source);
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| 44 | }
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| 45 | }
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| 46 | }
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| 47 | return true;
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| 48 | }
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| 49 | }
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| 50 |
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| 51 | export { ArrayResource };
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| 52 |
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