52 lines
2.0 KiB
C#
52 lines
2.0 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.Resources;
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using SharpEmu.ShaderCompiler.Tests.Resources;
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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 FlattenedReadReuseDeviceTests(HeadlessVulkanFixture fixture) : IClassFixture<HeadlessVulkanFixture>
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{
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[Theory]
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[InlineData(1u)]
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[InlineData(4u)]
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public void EquivalentReads_StoreBothResultsWithoutAPageTable(uint components)
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{
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var vulkan = fixture.Vulkan;
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if (!GatePrerequisites.Ready(vulkan))
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{
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return;
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}
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var request = Request(FlattenedReadReuseTests.RepeatedReadProgram(components), userDataCount: 9);
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Assert.False(request.Resources.Info.UsesDeviceAddresses);
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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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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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uint[] flattenedTable = [0x12345678, 0xABCDEF01, 0xFEDCBA98, 0x76543210];
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harness.Run(() => runner.Dispatch(registers, bindings, 1, flattenedTable: flattenedTable[..(int)components]));
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harness.Finish();
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var bytes = runner.ReadBack(result, 0, components * 8);
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for (uint index = 0; index < components * 2; index++)
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{
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Assert.Equal(flattenedTable[index % components], BinaryPrimitives.ReadUInt32LittleEndian(bytes.AsSpan((int)index * 4)));
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}
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harness.AssertNoValidationMessages();
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}
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}
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