Add some tests for GPUCanvasContext.getConfiguration

package.json

@@ -50,7 +50,7 @@
     "@types/w3c-image-capture": "^1.0.10",
     "@typescript-eslint/eslint-plugin": "^6.9.1",
     "@typescript-eslint/parser": "^6.9.1",
-    "@webgpu/types": "^0.1.46",
+    "@webgpu/types": "^0.1.47",
     "ansi-colors": "4.1.3",
     "babel-plugin-add-header-comment": "^1.0.3",
     "babel-plugin-const-enum": "^1.2.0",

src/webgpu/web_platform/canvas/configure.spec.ts

@@ -3,7 +3,7 @@ Tests for GPUCanvasContext.configure.
 
 TODO:
 - Test colorSpace
-- Test viewFormats
+- Test toneMapping
 `;
 
 import { makeTestGroup } from '../../../common/framework/test_group.js';
@@ -42,6 +42,15 @@ g.test('defaults')
       format: 'rgba8unorm',
     });
 
+    const configuration = ctx.getConfiguration();
+    t.expect(configuration.device === t.device);
+    t.expect(configuration.format === 'rgba8unorm');
+    t.expect(configuration.usage === GPUTextureUsage.RENDER_ATTACHMENT);
+    t.expect(configuration.viewFormats?.length === 0);
+    t.expect(configuration.colorSpace === 'srgb');
+    t.expect(configuration.toneMapping.mode === 'standard');
+    t.expect(configuration.alphaMode === 'opaque');
+
     const currentTexture = ctx.getCurrentTexture();
     t.expect(currentTexture.format === 'rgba8unorm');
     t.expect(currentTexture.usage === GPUTextureUsage.RENDER_ATTACHMENT);
@@ -85,8 +94,19 @@ g.test('device')
     ctx.configure({
       device: t.device,
       format: 'rgba8unorm',
+      alphaMode: 'opaque',
     });
 
+    // getConfiguration will succeed after configure.
+    const configuration = ctx.getConfiguration();
+    t.expect(configuration.device === t.device);
+    t.expect(configuration.format === 'rgba8unorm');
+    t.expect(configuration.usage === GPUTextureUsage.RENDER_ATTACHMENT);
+    t.expect(configuration.viewFormats?.length === 0);
+    t.expect(configuration.colorSpace === 'srgb');
+    t.expect(configuration.toneMapping.mode === 'standard');
+    t.expect(configuration.alphaMode === 'opaque');
+
     // getCurrentTexture will succeed with a valid device.
     ctx.getCurrentTexture();
 
@@ -96,12 +116,26 @@ g.test('device')
       ctx.getCurrentTexture();
     });
 
+    // getConfiguration returns null after unconfiguring.
+    t.expect(ctx.getConfiguration() === null);
+
     // Should be able to successfully configure again after unconfiguring.
     ctx.configure({
       device: t.device,
       format: 'rgba8unorm',
+      alphaMode: 'premultiplied',
     });
     ctx.getCurrentTexture();
+
+    // getConfiguration will succeed after configure.
+    const newConfiguration = ctx.getConfiguration();
+    t.expect(newConfiguration.device === t.device);
+    t.expect(newConfiguration.format === 'rgba8unorm');
+    t.expect(newConfiguration.usage === GPUTextureUsage.RENDER_ATTACHMENT);
+    t.expect(newConfiguration.viewFormats?.length === 0);
+    t.expect(newConfiguration.colorSpace === 'srgb');
+    t.expect(newConfiguration.toneMapping.mode === 'standard');
+    t.expect(newConfiguration.alphaMode === 'premultiplied');
   });
 
 g.test('format')
@@ -140,6 +174,9 @@ g.test('format')
       });
     }, !validFormat);
 
+    const configuration = ctx.getConfiguration();
+    t.expect(configuration.format === format);
+
     t.expectValidationError(() => {
       // Should always return a texture, whether the configured format was valid or not.
       const currentTexture = ctx.getCurrentTexture();
@@ -179,6 +216,9 @@ g.test('usage')
       usage,
     });
 
+    const configuration = ctx.getConfiguration();
+    t.expect(configuration.usage === usage);
+
     const currentTexture = ctx.getCurrentTexture();
     t.expect(currentTexture instanceof GPUTexture);
     t.expect(currentTexture.usage === usage);
@@ -289,6 +329,9 @@ g.test('alpha_mode')
       alphaMode,
     });
 
+    const configuration = ctx.getConfiguration();
+    t.expect(configuration.alphaMode === alphaMode);
+
     const currentTexture = ctx.getCurrentTexture();
     t.expect(currentTexture instanceof GPUTexture);
   });
@@ -412,6 +455,10 @@ g.test('viewFormats')
       });
     }, !compatible);
 
+    const configuration = ctx.getConfiguration();
+    t.expect(configuration.viewFormats?.length === 1);
+    t.expect(configuration.viewFormats[0] === viewFormat);
+
     // Likewise for getCurrentTexture().
     let currentTexture: GPUTexture;
     t.expectValidationError(() => {