sharpemu/tests/SharpEmu.Libs.Tests/Gpu/Vulkan/XorAddDeviceTests.cs

59 lines
2.4 KiB
C#

// Copyright (C) 2026 SharpEmu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
using System.Buffers.Binary;
using SharpEmu.Libs.Gpu.Buffers;
using SharpEmu.Libs.Tests.Gpu.Images;
using SharpEmu.ShaderCompiler;
using SharpEmu.ShaderCompiler.Resources;
using SharpEmu.ShaderCompiler.Tests;
using SharpEmu.ShaderCompiler.Vulkan;
using Xunit;
using static SharpEmu.ShaderCompiler.Tests.Resources.ResourceTestProgram;
namespace SharpEmu.Libs.Tests.Gpu.Vulkan;
public sealed class XorAddDeviceTests(HeadlessVulkanFixture fixture) : IClassFixture<HeadlessVulkanFixture>
{
[Theory]
[InlineData(2u, true)]
[InlineData(3u, true)]
[InlineData(4u, true)]
[InlineData(6u, true)]
[InlineData(2u, false)]
[InlineData(3u, false)]
[InlineData(4u, false)]
[InlineData(6u, false)]
public void XorAddWrapsAndPreservesInactiveDestinations(uint destination, bool operationEnabled)
{
var vulkan = fixture.Vulkan;
if (!GatePrerequisites.Ready(vulkan, shaderInt64: true)) return;
var (plan, resources, layout) = Prepare(Gen5XorAddTests.CreateReadbackProgram(destination, operationEnabled));
var request = new ShaderCompileRequest(plan, resources, layout) { LocalSizeX = 1, ThreadCountX = 1 };
Assert.True(Gen5SpirvTranslator.TryCompileProgram(request, out var shader, out var error), error);
using var harness = new ImageTestHarness(vulkan);
using var runner = new LayoutComputeRunner(harness, request, shader.Spirv);
var result = runner.CreateBuffer(64);
var bindings = new Dictionary<DescriptorBindingKind, GpuBuffer[]> { [DescriptorBindingKind.Buffers] = [result] };
var registers = new uint[256];
registers[6] = 64;
foreach (var testCase in Gen5XorAddTests.Results)
{
registers[8] = (uint)testCase[0];
registers[9] = (uint)testCase[1];
registers[10] = (uint)testCase[2];
harness.Run(() => runner.Dispatch(registers, bindings, 1));
var actual = runner.ReadBack(result, 0, sizeof(uint));
var expected = operationEnabled ? (uint)testCase[3] : destination switch
{
2 => registers[8],
3 => registers[9],
4 => registers[10],
_ => Gen5XorAddTests.Sentinel,
};
Assert.Equal(expected, BinaryPrimitives.ReadUInt32LittleEndian(actual));
}
harness.AssertNoValidationMessages();
}
}