From cc0a3721275398a5b081ba5ee8e13fa2410ada04 Mon Sep 17 00:00:00 2001
From: Divy Srivastava <dj.srivastava23@gmail.com>
Date: Sat, 27 Jan 2024 23:10:09 +0530
Subject: feat(unstable): implement `navigator.gpu.getPreferredCanvasFormat()`
 (#22149)

---
 ext/webgpu/01_webgpu.js | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'ext/webgpu')

diff --git a/ext/webgpu/01_webgpu.js b/ext/webgpu/01_webgpu.js
index db0dc9264..55ca9c382 100644
--- a/ext/webgpu/01_webgpu.js
+++ b/ext/webgpu/01_webgpu.js
@@ -344,6 +344,16 @@ class GPU {
     }
   }
 
+  getPreferredCanvasFormat() {
+    // Same as Gecko.
+    //
+    // https://github.com/mozilla/gecko-dev/blob/b75080bb8b11844d18cb5f9ac6e68a866ef8e243/dom/webgpu/Instance.h#L42-L47
+    if (core.build.os == "android") {
+      return "rgba8unorm";
+    }
+    return "bgra8unorm";
+  }
+
   [SymbolFor("Deno.privateCustomInspect")](inspect, inspectOptions) {
     return `${this.constructor.name} ${inspect({}, inspectOptions)}`;
   }
-- 
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