Return false from IsTextureSubresourceInitialized for error textures

Otherwise, callers of this method will hit an ASSERT for error
textures.

Bug: chromium:1359106
Change-Id: I2602d209d837b3b27916221578f9ac4041f8848b
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/103281
Commit-Queue: Austin Eng <enga@chromium.org>
Reviewed-by: Loko Kung <lokokung@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>

src/dawn/native/DawnNative.cpp

@@ -267,6 +267,9 @@ bool IsTextureSubresourceInitialized(WGPUTexture texture,
                                      uint32_t layerCount,
                                      WGPUTextureAspect cAspect) {
     TextureBase* textureBase = FromAPI(texture);
+    if (textureBase->IsError()) {
+        return false;
+    }
 
     Aspect aspect =
         ConvertAspect(textureBase->GetFormat(), static_cast<wgpu::TextureAspect>(cAspect));

src/dawn/tests/end2end/TextureZeroInitTests.cpp

@@ -1703,6 +1703,24 @@ TEST_P(TextureZeroInitTest, WriteTextureHalfAtMipLevel) {
                       kMipLevel);
 }
 
+// Test that error textures are always considered uninitialized.
+TEST_P(TextureZeroInitTest, ErrorTextureIsUninitialized) {
+    wgpu::TextureDescriptor descriptor =
+        CreateTextureDescriptor(1, 1, wgpu::TextureUsage::CopyDst, kColorFormat);
+
+    // Test CreateErrorTexture.
+    wgpu::Texture texture = device.CreateErrorTexture(&descriptor);
+    EXPECT_FALSE(dawn::native::IsTextureSubresourceInitialized(texture.Get(), 0, 1, 0, 1));
+
+    // Test CreateTexture with an error descriptor.
+    if (!HasToggleEnabled("skip_validation")) {
+        descriptor = CreateTextureDescriptor(1, 1, wgpu::TextureUsage::CopyDst,
+                                             static_cast<wgpu::TextureFormat>(-4));
+        ASSERT_DEVICE_ERROR(texture = device.CreateTexture(&descriptor));
+        EXPECT_FALSE(dawn::native::IsTextureSubresourceInitialized(texture.Get(), 0, 1, 0, 1));
+    }
+}
+
 DAWN_INSTANTIATE_TEST(TextureZeroInitTest,
                       D3D12Backend({"nonzero_clear_resources_on_creation_for_testing"}),
                       D3D12Backend({"nonzero_clear_resources_on_creation_for_testing"},