sdfsdfs

2025-08-04 18:57:35 +02:00
parent 8cf6e78a79
commit 9495868c2e
5030 changed files with 518594 additions and 17609 deletions
--- a/node_modules/pixi.js/lib/utils/browser/detectVideoAlphaMode.js
+++ b/node_modules/pixi.js/lib/utils/browser/detectVideoAlphaMode.js
@@ -0,0 +1,50 @@
+'use strict';
+
+"use strict";
+let promise;
+async function detectVideoAlphaMode() {
+  promise ?? (promise = (async () => {
+    const canvas = document.createElement("canvas");
+    const gl = canvas.getContext("webgl");
+    if (!gl) {
+      return "premultiply-alpha-on-upload";
+    }
+    const video = await new Promise((resolve) => {
+      const video2 = document.createElement("video");
+      video2.onloadeddata = () => resolve(video2);
+      video2.onerror = () => resolve(null);
+      video2.autoplay = false;
+      video2.crossOrigin = "anonymous";
+      video2.preload = "auto";
+      video2.src = "data:video/webm;base64,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";
+      video2.load();
+    });
+    if (!video) {
+      return "premultiply-alpha-on-upload";
+    }
+    const texture = gl.createTexture();
+    gl.bindTexture(gl.TEXTURE_2D, texture);
+    const framebuffer = gl.createFramebuffer();
+    gl.bindFramebuffer(gl.FRAMEBUFFER, framebuffer);
+    gl.framebufferTexture2D(
+      gl.FRAMEBUFFER,
+      gl.COLOR_ATTACHMENT0,
+      gl.TEXTURE_2D,
+      texture,
+      0
+    );
+    gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, false);
+    gl.pixelStorei(gl.UNPACK_COLORSPACE_CONVERSION_WEBGL, gl.NONE);
+    gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, video);
+    const pixel = new Uint8Array(4);
+    gl.readPixels(0, 0, 1, 1, gl.RGBA, gl.UNSIGNED_BYTE, pixel);
+    gl.deleteFramebuffer(framebuffer);
+    gl.deleteTexture(texture);
+    gl.getExtension("WEBGL_lose_context")?.loseContext();
+    return pixel[0] <= pixel[3] ? "premultiplied-alpha" : "premultiply-alpha-on-upload";
+  })());
+  return promise;
+}
+
+exports.detectVideoAlphaMode = detectVideoAlphaMode;
+//# sourceMappingURL=detectVideoAlphaMode.js.map