Fix a bad slice operation in image_copy stencil tests

gpuweb · Oct 23, 2023 · b3c2508 · b3c2508
1 parent 2499ea9
commit b3c2508
Showing 1 changed file with 10 additions and 7 deletions.
diff --git a/src/webgpu/api/operation/command_buffer/image_copy.spec.ts b/src/webgpu/api/operation/command_buffer/image_copy.spec.ts
@@ -1088,16 +1088,19 @@ class ImageCopyTest extends TextureTestMixin(GPUTest) {
 
       // Check the valid data in outputStagingBuffer once per row.
       for (let y = 0; y < copyFromOutputTextureLayout.mipSize[1]; ++y) {
+        const rowOffset = expectedStencilTextureDataBytesPerRow * y;
+        const dataStart = expectedStencilTextureDataOffset +
+                          expectedStencilTextureDataBytesPerRow *
+                            expectedStencilTextureDataRowsPerImage *
+                            stencilTextureLayer +
+                          rowOffset;
         this.expectGPUBufferValuesEqual(
           outputStagingBuffer,
           expectedStencilTextureData.slice(
-            expectedStencilTextureDataOffset +
-              expectedStencilTextureDataBytesPerRow *
-                expectedStencilTextureDataRowsPerImage *
-                stencilTextureLayer +
-              expectedStencilTextureDataBytesPerRow * y,
-            copyFromOutputTextureLayout.mipSize[0]
-          )
+            dataStart,
+            dataStart + copyFromOutputTextureLayout.mipSize[0]
+          ),
+          rowOffset
         );
       }
     }