| 1 | import { MSAA_QUALITY, SCALE_MODES, MIPMAP_MODES, FORMATS, TYPES } from '@pixi/constants';
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| 2 | import { Runner } from '@pixi/runner';
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| 3 | import { BaseTexture } from '../textures/BaseTexture.mjs';
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| 4 | import { DepthResource } from '../textures/resources/DepthResource.mjs';
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| 5 |
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| 6 | class Framebuffer {
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| 7 | constructor(width, height) {
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| 8 | this.width = Math.round(width || 100);
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| 9 | this.height = Math.round(height || 100);
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| 10 | this.stencil = false;
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| 11 | this.depth = false;
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| 12 | this.dirtyId = 0;
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| 13 | this.dirtyFormat = 0;
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| 14 | this.dirtySize = 0;
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| 15 | this.depthTexture = null;
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| 16 | this.colorTextures = [];
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| 17 | this.glFramebuffers = {};
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| 18 | this.disposeRunner = new Runner("disposeFramebuffer");
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| 19 | this.multisample = MSAA_QUALITY.NONE;
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| 20 | }
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| 21 | get colorTexture() {
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| 22 | return this.colorTextures[0];
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| 23 | }
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| 24 | addColorTexture(index = 0, texture) {
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| 25 | this.colorTextures[index] = texture || new BaseTexture(null, {
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| 26 | scaleMode: SCALE_MODES.NEAREST,
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| 27 | resolution: 1,
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| 28 | mipmap: MIPMAP_MODES.OFF,
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| 29 | width: this.width,
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| 30 | height: this.height
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| 31 | });
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| 32 | this.dirtyId++;
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| 33 | this.dirtyFormat++;
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| 34 | return this;
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| 35 | }
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| 36 | addDepthTexture(texture) {
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| 37 | this.depthTexture = texture || new BaseTexture(new DepthResource(null, { width: this.width, height: this.height }), {
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| 38 | scaleMode: SCALE_MODES.NEAREST,
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| 39 | resolution: 1,
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| 40 | width: this.width,
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| 41 | height: this.height,
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| 42 | mipmap: MIPMAP_MODES.OFF,
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| 43 | format: FORMATS.DEPTH_COMPONENT,
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| 44 | type: TYPES.UNSIGNED_SHORT
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| 45 | });
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| 46 | this.dirtyId++;
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| 47 | this.dirtyFormat++;
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| 48 | return this;
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| 49 | }
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| 50 | enableDepth() {
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| 51 | this.depth = true;
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| 52 | this.dirtyId++;
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| 53 | this.dirtyFormat++;
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| 54 | return this;
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| 55 | }
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| 56 | enableStencil() {
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| 57 | this.stencil = true;
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| 58 | this.dirtyId++;
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| 59 | this.dirtyFormat++;
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| 60 | return this;
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| 61 | }
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| 62 | resize(width, height) {
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| 63 | width = Math.round(width);
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| 64 | height = Math.round(height);
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| 65 | if (width === this.width && height === this.height)
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| 66 | return;
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| 67 | this.width = width;
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| 68 | this.height = height;
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| 69 | this.dirtyId++;
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| 70 | this.dirtySize++;
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| 71 | for (let i = 0; i < this.colorTextures.length; i++) {
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| 72 | const texture = this.colorTextures[i];
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| 73 | const resolution = texture.resolution;
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| 74 | texture.setSize(width / resolution, height / resolution);
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| 75 | }
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| 76 | if (this.depthTexture) {
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| 77 | const resolution = this.depthTexture.resolution;
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| 78 | this.depthTexture.setSize(width / resolution, height / resolution);
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| 79 | }
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| 80 | }
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| 81 | dispose() {
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| 82 | this.disposeRunner.emit(this, false);
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| 83 | }
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| 84 | destroyDepthTexture() {
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| 85 | if (this.depthTexture) {
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| 86 | this.depthTexture.destroy();
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| 87 | this.depthTexture = null;
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| 88 | ++this.dirtyId;
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| 89 | ++this.dirtyFormat;
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| 90 | }
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| 91 | }
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| 92 | }
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| 93 |
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| 94 | export { Framebuffer };
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| 95 |
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