84 lines
4.2 KiB
C#
84 lines
4.2 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 DataShareRead64DeviceTests(HeadlessVulkanFixture fixture) : IClassFixture<HeadlessVulkanFixture>
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{
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[Theory]
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[MemberData(nameof(Gen5DataShareRead64Tests.PairedReadCases), MemberType = typeof(Gen5DataShareRead64Tests))]
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public void PairedReadReturnsFourWordsFromIndependentOffsets(bool global, uint firstOffset, uint secondOffset, bool readEnabled)
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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 = Gen5DataShareRead64Tests.CreatePairedReadbackProgram(global, firstOffset, secondOffset, readEnabled);
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var (plan, resources, layout) = Prepare(program);
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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 result = runner.CreateBuffer(64);
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var bindings = new Dictionary<DescriptorBindingKind, GpuBuffer[]>
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{
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[DescriptorBindingKind.Buffers] = [result],
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};
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if (global) bindings[DescriptorBindingKind.GlobalDataShare] = [runner.CreateBuffer(4096)];
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var registers = new uint[256];
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registers[6] = 64;
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harness.Run(() => runner.Dispatch(registers, bindings, 1));
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var actual = runner.ReadBack(result, 0, 16);
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var expected = Gen5DataShareRead64Tests.PairedReadExpected(firstOffset, secondOffset, readEnabled);
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for (var component = 0; component < expected.Length; component++)
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Assert.Equal(expected[component], BinaryPrimitives.ReadUInt32LittleEndian(actual.AsSpan(component * sizeof(uint))));
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harness.AssertNoValidationMessages();
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}
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[Theory]
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[InlineData(false, 0u, true)]
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[InlineData(false, 0x108u, true)]
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[InlineData(false, 0u, false)]
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[InlineData(false, 0x108u, false)]
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[InlineData(true, 0u, true)]
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[InlineData(true, 0x108u, true)]
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[InlineData(true, 0u, false)]
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[InlineData(true, 0x108u, false)]
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public void ReadReturnsBothWordsAndPreservesInactiveRegisters(bool global, uint offset, bool readEnabled)
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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 = Gen5DataShareRead64Tests.CreateReadbackProgram(global, offset, readEnabled);
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var (plan, resources, layout) = Prepare(program);
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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 result = runner.CreateBuffer(64);
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var bindings = new Dictionary<DescriptorBindingKind, GpuBuffer[]>
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{
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[DescriptorBindingKind.Buffers] = [result],
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};
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if (global) bindings[DescriptorBindingKind.GlobalDataShare] = [runner.CreateBuffer(1024)];
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var registers = new uint[256];
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registers[6] = 64;
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harness.Run(() => runner.Dispatch(registers, bindings, 1));
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var actual = runner.ReadBack(result, 0, 64);
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Assert.Equal(readEnabled ? Gen5DataShareRead64Tests.LowerWord : Gen5DataShareRead64Tests.SourceAddress,
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BinaryPrimitives.ReadUInt32LittleEndian(actual));
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Assert.Equal(readEnabled ? Gen5DataShareRead64Tests.UpperWord : Gen5DataShareRead64Tests.UnchangedUpperWord,
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BinaryPrimitives.ReadUInt32LittleEndian(actual.AsSpan(4)));
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harness.AssertNoValidationMessages();
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}
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}
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