| 1 | import { GC_MODES } from '@pixi/constants';
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| 2 | import { ExtensionType, extensions } from '@pixi/extensions';
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| 3 |
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| 4 | const _TextureGCSystem = class {
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| 5 | constructor(renderer) {
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| 6 | this.renderer = renderer;
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| 7 | this.count = 0;
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| 8 | this.checkCount = 0;
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| 9 | this.maxIdle = _TextureGCSystem.defaultMaxIdle;
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| 10 | this.checkCountMax = _TextureGCSystem.defaultCheckCountMax;
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| 11 | this.mode = _TextureGCSystem.defaultMode;
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| 12 | }
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| 13 | postrender() {
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| 14 | if (!this.renderer.objectRenderer.renderingToScreen) {
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| 15 | return;
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| 16 | }
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| 17 | this.count++;
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| 18 | if (this.mode === GC_MODES.MANUAL) {
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| 19 | return;
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| 20 | }
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| 21 | this.checkCount++;
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| 22 | if (this.checkCount > this.checkCountMax) {
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| 23 | this.checkCount = 0;
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| 24 | this.run();
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| 25 | }
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| 26 | }
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| 27 | run() {
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| 28 | const tm = this.renderer.texture;
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| 29 | const managedTextures = tm.managedTextures;
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| 30 | let wasRemoved = false;
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| 31 | for (let i = 0; i < managedTextures.length; i++) {
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| 32 | const texture = managedTextures[i];
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| 33 | if (!texture.framebuffer && this.count - texture.touched > this.maxIdle) {
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| 34 | tm.destroyTexture(texture, true);
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| 35 | managedTextures[i] = null;
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| 36 | wasRemoved = true;
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| 37 | }
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| 38 | }
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| 39 | if (wasRemoved) {
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| 40 | let j = 0;
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| 41 | for (let i = 0; i < managedTextures.length; i++) {
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| 42 | if (managedTextures[i] !== null) {
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| 43 | managedTextures[j++] = managedTextures[i];
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| 44 | }
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| 45 | }
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| 46 | managedTextures.length = j;
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| 47 | }
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| 48 | }
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| 49 | unload(displayObject) {
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| 50 | const tm = this.renderer.texture;
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| 51 | const texture = displayObject._texture;
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| 52 | if (texture && !texture.framebuffer) {
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| 53 | tm.destroyTexture(texture);
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| 54 | }
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| 55 | for (let i = displayObject.children.length - 1; i >= 0; i--) {
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| 56 | this.unload(displayObject.children[i]);
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| 57 | }
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| 58 | }
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| 59 | destroy() {
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| 60 | this.renderer = null;
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| 61 | }
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| 62 | };
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| 63 | let TextureGCSystem = _TextureGCSystem;
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| 64 | TextureGCSystem.defaultMode = GC_MODES.AUTO;
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| 65 | TextureGCSystem.defaultMaxIdle = 60 * 60;
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| 66 | TextureGCSystem.defaultCheckCountMax = 60 * 10;
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| 67 | TextureGCSystem.extension = {
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| 68 | type: ExtensionType.RendererSystem,
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| 69 | name: "textureGC"
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| 70 | };
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| 71 | extensions.add(TextureGCSystem);
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| 72 |
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| 73 | export { TextureGCSystem };
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| 74 |
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