ExecutionTest::ComputeSampleTest is failing on latest Microsoft Basic Render Driver

[hekota]

Description ExecutionTest::ComputeSampleTest is failing on latest Microsoft Basic Render Driver.

Steps to Reproduce On Windows build 26016.1001 or higher: hcttest exec-filter ComputeSampleTest -adapter "NVidia*"

Actual Behavior

******************** TEST 'clang-taef-exec :: ExecHLSLTests.dll/ExecutionTest::ComputeSampleTest' FAILED ********************
Test Authoring and Execution Framework v10.68 for arm64

Warning: TAEF will not listen for crashes from Windows Error Reporting because it failed to set up the listener. ([HRESULT 0x80070005] Failed to enable the Microsoft.Windows.FaultReporting TraceLogging provider in an ETW trace.)

Agility SDK not enabled.

Experimental mode enabled.

Debug layer enabled.



StartGroup: ExecutionTest::ComputeSampleTest

Using Adapter:Microsoft Basic Render Driver

Error: Verify: IsTrue(pPixels[4 * i] >= xlod) [File: C:\__w\1\s\DXC\tools\clang\unittests\HLSLExec\ExecutionTest.cpp, Function: VerifySampleResults, Line: 4150]

EndGroup: ExecutionTest::ComputeSampleTest [Failed]

Environment

• DXC version: main as of 1/22/2024
• Windows 11 build 26016.1001 or higher

[pow2clk]

My gut tells me this is a testing bug. The pixel indexing is tricky here.

[hekota]

Related/duplicate issue: #4788