feat(unstable): implement `navigator.gpu.getPreferredCanvasFormat()` (#22149)

2 files changed, 6 insertions, 0 deletions

diff --git a/cli/tests/unit/webgpu_test.ts b/cli/tests/unit/webgpu_test.ts
index bcdc6b1ff..75ae34981 100644
--- a/cli/tests/unit/webgpu_test.ts
+++ b/cli/tests/unit/webgpu_test.ts
@@ -247,6 +247,11 @@ Deno.test({
   Deno.close(Number(resources[resources.length - 1]));
 });
 
+Deno.test(function getPreferredCanvasFormat() {
+  const preferredFormat = navigator.gpu.getPreferredCanvasFormat();
+  assert(preferredFormat === "bgra8unorm" || preferredFormat === "rgba8unorm");
+});
+
 async function checkIsWsl() {
   return Deno.build.os === "linux" && await hasMicrosoftProcVersion();
 
diff --git a/cli/tsc/dts/lib.deno_webgpu.d.ts b/cli/tsc/dts/lib.deno_webgpu.d.ts
index 50d9ecfb6..74fa7c907 100644
--- a/cli/tsc/dts/lib.deno_webgpu.d.ts
+++ b/cli/tsc/dts/lib.deno_webgpu.d.ts
@@ -78,6 +78,7 @@ declare class GPU {
   requestAdapter(
     options?: GPURequestAdapterOptions,
   ): Promise<GPUAdapter | null>;
+  getPreferredCanvasFormat(): GPUTextureFormat;
 }
 
 /** @category WebGPU */