| 1 | import { MSAA_QUALITY } from "@pixi/constants";
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| 2 | import { ExtensionType, extensions } from "@pixi/extensions";
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| 3 | class MultisampleSystem {
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| 4 | constructor(renderer) {
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| 5 | this.renderer = renderer;
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| 6 | }
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| 7 | contextChange(gl) {
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| 8 | let samples;
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| 9 | if (this.renderer.context.webGLVersion === 1) {
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| 10 | const framebuffer = gl.getParameter(gl.FRAMEBUFFER_BINDING);
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| 11 | gl.bindFramebuffer(gl.FRAMEBUFFER, null), samples = gl.getParameter(gl.SAMPLES), gl.bindFramebuffer(gl.FRAMEBUFFER, framebuffer);
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| 12 | } else {
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| 13 | const framebuffer = gl.getParameter(gl.DRAW_FRAMEBUFFER_BINDING);
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| 14 | gl.bindFramebuffer(gl.DRAW_FRAMEBUFFER, null), samples = gl.getParameter(gl.SAMPLES), gl.bindFramebuffer(gl.DRAW_FRAMEBUFFER, framebuffer);
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| 15 | }
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| 16 | samples >= MSAA_QUALITY.HIGH ? this.multisample = MSAA_QUALITY.HIGH : samples >= MSAA_QUALITY.MEDIUM ? this.multisample = MSAA_QUALITY.MEDIUM : samples >= MSAA_QUALITY.LOW ? this.multisample = MSAA_QUALITY.LOW : this.multisample = MSAA_QUALITY.NONE;
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| 17 | }
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| 18 | destroy() {
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| 19 | }
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| 20 | }
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| 21 | MultisampleSystem.extension = {
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| 22 | type: ExtensionType.RendererSystem,
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| 23 | name: "_multisample"
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| 24 | };
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| 25 | extensions.add(MultisampleSystem);
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| 26 | export {
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| 27 | MultisampleSystem
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| 28 | };
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| 29 |
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