From 9625efe168a4bb17d2d7cc50b0486e1d26b4317a Mon Sep 17 00:00:00 2001
From: Gregg Tavares <github@greggman.com>
Date: Tue, 14 Jan 2025 17:05:04 -0800
Subject: [PATCH] Compat: Fix canvas configure test for 0 storagebuffers

---
 src/webgpu/web_platform/canvas/configure.spec.ts | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/src/webgpu/web_platform/canvas/configure.spec.ts b/src/webgpu/web_platform/canvas/configure.spec.ts
index 3e9905dd5bd8..69e058d8d1a3 100644
--- a/src/webgpu/web_platform/canvas/configure.spec.ts
+++ b/src/webgpu/web_platform/canvas/configure.spec.ts
@@ -16,10 +16,10 @@ import {
   filterFormatsByFeature,
   viewCompatible,
 } from '../../format_info.js';
-import { GPUTest } from '../../gpu_test.js';
+import { GPUTest, MaxLimitsTestMixin } from '../../gpu_test.js';
 import { kAllCanvasTypes, createCanvas } from '../../util/create_elements.js';
 
-export const g = makeTestGroup(GPUTest);
+export const g = makeTestGroup(MaxLimitsTestMixin(GPUTest));
 
 g.test('defaults')
   .desc(
@@ -212,6 +212,7 @@ g.test('usage')
   )
   .fn(t => {
     const { canvasType, usage } = t.params;
+
     const canvas = createCanvas(t, canvasType, 2, 2);
     const ctx = canvas.getContext('webgpu');
     assert(ctx instanceof GPUCanvasContext, 'Failed to get WebGPU context from canvas');
@@ -269,7 +270,13 @@ g.test('usage')
       });
     }
 
-    if (usage & GPUConst.TextureUsage.STORAGE_BINDING) {
+    const canUseStorageTextureInFragmentShader =
+      !t.isCompatibility || t.device.limits.maxStorageTexturesInFragmentStage! > 0;
+
+    if (
+      (usage & GPUConst.TextureUsage.STORAGE_BINDING) !== 0 &&
+      canUseStorageTextureInFragmentShader
+    ) {
       const bgl = t.device.createBindGroupLayout({
         entries: [
           {