44 lines
2.6 KiB
JavaScript
44 lines
2.6 KiB
JavaScript
shadow$provide.module$node_modules$pixi_DOT_js$lib$utils$browser$detectVideoAlphaMode = function(global, require, module, exports) {
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var adapter = require("module$node_modules$pixi_DOT_js$lib$environment$adapter");
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"use strict";
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let promise;
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exports.detectVideoAlphaMode = async function() {
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promise ?? (promise = (async() => {
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const gl = adapter.DOMAdapter.get().createCanvas(1, 1).getContext("webgl");
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if (!gl) {
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return "premultiply-alpha-on-upload";
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}
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var video = await new Promise(resolve => {
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const video2 = document.createElement("video");
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video2.onloadeddata = () => resolve(video2);
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video2.onerror = () => resolve(null);
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video2.autoplay = !1;
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video2.crossOrigin = "anonymous";
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video2.preload = "auto";
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video2.src = "data:video/webm;base64,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\x3d";
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video2.load();
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});
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if (!video) {
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return "premultiply-alpha-on-upload";
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}
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const texture = gl.createTexture();
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gl.bindTexture(gl.TEXTURE_2D, texture);
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const framebuffer = gl.createFramebuffer();
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gl.bindFramebuffer(gl.FRAMEBUFFER, framebuffer);
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gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, texture, 0);
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gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, !1);
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gl.pixelStorei(gl.UNPACK_COLORSPACE_CONVERSION_WEBGL, gl.NONE);
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gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, video);
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video = new Uint8Array(4);
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gl.readPixels(0, 0, 1, 1, gl.RGBA, gl.UNSIGNED_BYTE, video);
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gl.deleteFramebuffer(framebuffer);
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gl.deleteTexture(texture);
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gl.getExtension("WEBGL_lose_context")?.loseContext();
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return video[0] <= video[3] ? "premultiplied-alpha" : "premultiply-alpha-on-upload";
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})());
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return promise;
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};
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};
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//# sourceMappingURL=module$node_modules$pixi_DOT_js$lib$utils$browser$detectVideoAlphaMode.js.map
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