53 lines
2.5 KiB
C#
53 lines
2.5 KiB
C#
// Copyright (C) 2026 SharpEmu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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using System.Buffers.Binary;
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using SharpEmu.Libs.Gpu.Buffers;
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using SharpEmu.Libs.Tests.Gpu.Images;
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using SharpEmu.ShaderCompiler;
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using SharpEmu.ShaderCompiler.Resources;
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using SharpEmu.ShaderCompiler.Tests;
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using SharpEmu.ShaderCompiler.Vulkan;
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using Xunit;
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using static SharpEmu.ShaderCompiler.Tests.Resources.ResourceTestProgram;
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namespace SharpEmu.Libs.Tests.Gpu.Vulkan;
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public sealed class ScalarBitClearDeviceTests(HeadlessVulkanFixture fixture) : IClassFixture<HeadlessVulkanFixture>
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{
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[Theory]
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[InlineData(false, false, false)]
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[InlineData(false, false, true)]
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[InlineData(true, false, false)]
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[InlineData(true, false, true)]
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[InlineData(false, true, false)]
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[InlineData(false, true, true)]
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[InlineData(true, true, false)]
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[InlineData(true, true, true)]
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public void ClearsSelectedBitAndPreservesCondition(bool emptyExecutionMask, bool overlapDestination, bool condition)
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{
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var vulkan = fixture.Vulkan;
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if (!GatePrerequisites.Ready(vulkan, shaderInt64: true)) return;
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var (plan, resources, layout) = Prepare(Gen5ScalarBitClearTests.CreateReadbackProgram(emptyExecutionMask, overlapDestination, condition));
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var request = new ShaderCompileRequest(plan, resources, layout) { LocalSizeX = 1, ThreadCountX = 1 };
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Assert.True(Gen5SpirvTranslator.TryCompileProgram(request, out var shader, out var error), error);
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using var harness = new ImageTestHarness(vulkan);
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using var runner = new LayoutComputeRunner(harness, request, shader.Spirv);
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var output = runner.CreateBuffer(64);
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var bindings = new Dictionary<DescriptorBindingKind, GpuBuffer[]> { [DescriptorBindingKind.Buffers] = [output] };
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var registers = new uint[256];
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registers[6] = 64;
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foreach (var values in Gen5ScalarBitClearTests.Values)
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{
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registers[8] = (uint)values[0];
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registers[9] = (uint)values[1];
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var expected = overlapDestination ? registers[8] & ~(1u << (int)(registers[8] & 31)) : (uint)values[2];
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harness.Run(() => runner.Dispatch(registers, bindings, 1));
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var actual = runner.ReadBack(output, 0, 8);
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Assert.Equal(expected, BinaryPrimitives.ReadUInt32LittleEndian(actual));
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Assert.Equal(condition ? 0u : 1u, BinaryPrimitives.ReadUInt32LittleEndian(actual.AsSpan(4)));
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}
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harness.AssertNoValidationMessages();
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}
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}
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