52 lines
2.3 KiB
C#
52 lines
2.3 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 DataShareThreadReadDeviceTests(HeadlessVulkanFixture fixture) : IClassFixture<HeadlessVulkanFixture>
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{
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[Theory]
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[InlineData(32u, 0u, 0u, false)]
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[InlineData(32u, 0xABCD0010u, 0x100u, false)]
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[InlineData(32u, 0xFFFF0100u, 0x204u, true)]
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[InlineData(64u, 0u, 0u, false)]
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[InlineData(64u, 0xABCD0010u, 0x100u, true)]
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public void ThreadOffsetReadUsesScalarBaseOffsetAndExecutionMask(uint waveSize, uint scalarBase,
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uint byteOffset, bool maskOddLanes)
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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 program = Gen5DataShareThreadReadTests.CreateReadbackProgram(scalarBase, byteOffset, maskOddLanes);
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var (plan, resources, layout) = Prepare(program);
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var request = new ShaderCompileRequest(plan, resources, layout)
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{
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LocalSizeX = waveSize, ThreadCountX = waveSize, WaveSize = waveSize,
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};
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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 result = runner.CreateBuffer(256);
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var registers = new uint[256];
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registers[6] = 256;
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harness.Run(() => runner.Dispatch(registers,
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new Dictionary<DescriptorBindingKind, GpuBuffer[]> { [DescriptorBindingKind.Buffers] = [result] }, 1));
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var actual = runner.ReadBack(result, 0, 256);
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for (var lane = 0; lane < waveSize; lane++)
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{
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var expected = maskOddLanes && (lane & 1) != 0 ? Gen5DataShareThreadReadTests.InitialWord : 1000u + (uint)lane;
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Assert.Equal(expected, BinaryPrimitives.ReadUInt32LittleEndian(actual.AsSpan(lane * sizeof(uint))));
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}
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harness.AssertNoValidationMessages();
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}
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}
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