682 lines
28 KiB
C#
682 lines
28 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 SharpEmu.ShaderCompiler;
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using SharpEmu.ShaderCompiler.Resources;
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using Xunit;
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namespace SharpEmu.ShaderCompiler.Metal.Tests;
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/// <summary>
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/// Structural checks over the emitted MSL — these run on every platform because
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/// translation is pure text generation; only the runtime tests need a Metal device.
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/// </summary>
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public sealed class MslTranslationTests
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{
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[Fact]
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public void ComputeFixturesResolveDescriptorFormatsBeforeCompilation()
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{
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foreach (var fixture in new[] { Gen5ComputeFixtures.TypedLoad, Gen5ComputeFixtures.TypedStore })
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{
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var request = Gen5ComputeFixtures.CreateComputeRequest(fixture);
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Assert.NotEmpty(request.Resources.Info.Buffers);
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Assert.All(request.Resources.Info.Buffers, buffer =>
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{
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Assert.Equal(56u, buffer.DescriptorFormat);
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Assert.Equal(DescriptorConstants.IdentityDestinationSelect, buffer.DescriptorSwizzle);
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});
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_ = Gen5ComputeFixtures.CompileRequestOrThrow(fixture);
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}
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}
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[Fact]
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public void SadU32UsesUnsignedAbsoluteDifferenceAndAccumulator()
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{
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var sad = new Gen5ShaderInstruction(
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0,
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Gen5ShaderEncoding.Vop3,
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"VSadU32",
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[0, 0],
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[Gen5Operand.Vector(0), Gen5Operand.Vector(1), Gen5Operand.Vector(2)],
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[Gen5Operand.Vector(3)],
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null);
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var end = new Gen5ShaderInstruction(
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8,
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Gen5ShaderEncoding.Sopp,
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"SEndpgm",
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[0xBF810000],
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[],
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[],
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null);
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var request = Gen5ComputeFixtures.RequestOrThrow(
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new Gen5ShaderProgram(0, [sad, end]), ShaderStage.Compute, localSizeX: 1);
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Assert.True(Gen5MslTranslator.TryCompileProgram(request, out var shader, out var error), error);
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Assert.Contains("uint v[256]", shader.Source, StringComparison.Ordinal);
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Assert.Contains("((max(v[0], v[1]) - min(v[0], v[1])) + (v[2]))", shader.Source, StringComparison.Ordinal);
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}
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[Fact]
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public void F16CompareUsesHalfOperands()
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{
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var compare = new Gen5ShaderInstruction(
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0,
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Gen5ShaderEncoding.Vopc,
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"VCmpLtF16",
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[],
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[Gen5Operand.Vector(0), Gen5Operand.Vector(1)],
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[],
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null);
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var end = new Gen5ShaderInstruction(
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4,
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Gen5ShaderEncoding.Sopp,
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"SEndpgm",
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[0xBF810000],
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[],
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[],
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null);
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var request = Gen5ComputeFixtures.RequestOrThrow(
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new Gen5ShaderProgram(0, [compare, end]), ShaderStage.Compute, localSizeX: 1);
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Assert.True(Gen5MslTranslator.TryCompileProgram(request, out var shader, out var error), error);
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Assert.Contains("as_type<half>", shader.Source, StringComparison.Ordinal);
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Assert.Contains(" < ", shader.Source, StringComparison.Ordinal);
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}
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[Fact]
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public void EveryFixtureTranslates()
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{
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foreach (var fixture in Gen5ComputeFixtures.All)
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{
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var shader = Gen5ComputeFixtures.CompileRequestOrThrow(fixture);
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Assert.Equal(Gen5MslStage.Compute, shader.Stage);
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Assert.Equal("gen5_cs", shader.EntryPoint);
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Assert.Contains("kernel void gen5_cs(", shader.Source, StringComparison.Ordinal);
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Assert.Contains("while (active)", shader.Source, StringComparison.Ordinal);
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}
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}
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[Fact]
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public void ExecMaskedStoresAreGuarded()
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{
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var shader = Gen5ComputeFixtures.CompileRequestOrThrow(Gen5ComputeFixtures.ExecStore);
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// Every buffer store must sit behind the per-lane EXEC guard.
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Assert.Contains("if (exec)", shader.Source, StringComparison.Ordinal);
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Assert.Contains("sharpemu_store_bytes(b0,", shader.Source, StringComparison.Ordinal);
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// s_mov_b32 exec_lo, 0 / -1 must drive the per-lane bool.
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Assert.Contains("exec = ((", shader.Source, StringComparison.Ordinal);
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}
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[Fact]
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public void LoopFixtureProducesMultipleDispatcherBlocks()
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{
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var shader = Gen5ComputeFixtures.CompileRequestOrThrow(Gen5ComputeFixtures.Loop);
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// The backward branch splits the program into at least three blocks and
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// the conditional branch selects between loop head and fallthrough.
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Assert.Contains("case 0u:", shader.Source, StringComparison.Ordinal);
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Assert.Contains("case 1u:", shader.Source, StringComparison.Ordinal);
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Assert.Contains("case 2u:", shader.Source, StringComparison.Ordinal);
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Assert.Contains("pc = (scc) ?", shader.Source, StringComparison.Ordinal);
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}
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[Fact]
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public void DispatcherIsBoundedByDefault()
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{
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var shader = Gen5ComputeFixtures.CompileRequestOrThrow(Gen5ComputeFixtures.Fmac);
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Assert.Contains("if (++steps >=", shader.Source, StringComparison.Ordinal);
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}
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[Fact]
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public void ArgumentBufferCarriesBufferLengthsAndUsesSeparatePushData()
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{
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var shader = Gen5ComputeFixtures.CompileRequestOrThrow(Gen5ComputeFixtures.ExecStore);
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Assert.NotNull(shader.ArgumentLayout);
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Assert.Contains("buffer_bytes [[id(", shader.Source, StringComparison.Ordinal);
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Assert.Contains("sharpemu_resources [[buffer(0)]]", shader.Source, StringComparison.Ordinal);
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Assert.Contains("sharpemu_push_data [[buffer(1)]]", shader.Source, StringComparison.Ordinal);
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Assert.DoesNotContain("SharpEmuUniforms", shader.Source, StringComparison.Ordinal);
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}
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[Fact]
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public void PixelStageEmitsFragmentInterface()
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{
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var shader = Gen5ComputeFixtures.CompilePixelOrThrow();
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Assert.Equal(Gen5MslStage.Pixel, shader.Stage);
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Assert.Equal("gen5_ps", shader.EntryPoint);
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Assert.Equal(1u, shader.AttributeCount);
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Assert.Contains("fragment Gen5PsOut gen5_ps(", shader.Source, StringComparison.Ordinal);
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Assert.Contains("float4 attr0 [[user(locn0)]];", shader.Source, StringComparison.Ordinal);
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Assert.Contains("[[color(0)]]", shader.Source, StringComparison.Ordinal);
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Assert.Contains("[[position]]", shader.Source, StringComparison.Ordinal);
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// Interpolation reads land in VGPRs; the export writes MRT0 under EXEC
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// and inactive lanes discard at the end.
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Assert.Contains("as_type<uint>(sharpemu_in.attr0[0])", shader.Source, StringComparison.Ordinal);
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Assert.Contains("sharpemu_out.mrt0 = exec ?", shader.Source, StringComparison.Ordinal);
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Assert.Contains("discard_fragment();", shader.Source, StringComparison.Ordinal);
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}
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[Fact]
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public void NullValidMaskExportControlsFragmentDiscard()
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{
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var export = new Gen5ShaderInstruction(
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0,
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Gen5ShaderEncoding.Exp,
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"Exp",
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[],
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[
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Gen5Operand.Vector(0),
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Gen5Operand.Vector(1),
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Gen5Operand.Vector(2),
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Gen5Operand.Vector(3),
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],
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[],
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new Gen5ExportControl(9, 0, false, true, true));
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var end = new Gen5ShaderInstruction(
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8,
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Gen5ShaderEncoding.Sopp,
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"SEndpgm",
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[0xBF810000],
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[],
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[],
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null);
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var request = Gen5ComputeFixtures.RequestOrThrow(
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new Gen5ShaderProgram(0, [export, end]), ShaderStage.Pixel, pixelOutputs: []);
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Assert.True(Gen5MslTranslator.TryCompileProgram(request, out var shader, out var error), error);
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Assert.Contains(
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"bool pixel_valid_mask_active = true;",
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shader.Source,
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StringComparison.Ordinal);
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Assert.Contains(
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"pixel_valid_mask_active = exec;",
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shader.Source,
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StringComparison.Ordinal);
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Assert.Contains(
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"if (!pixel_valid_mask_active)",
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shader.Source,
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StringComparison.Ordinal);
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}
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[Fact]
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public void PixelOutputKindsSelectTheAttachmentType()
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{
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var uintShader = Gen5ComputeFixtures.CompilePixelOrThrow(Gen5PixelOutputKind.Uint);
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Assert.Contains("uint4 mrt0 [[color(0)]];", uintShader.Source, StringComparison.Ordinal);
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var sintShader = Gen5ComputeFixtures.CompilePixelOrThrow(Gen5PixelOutputKind.Sint);
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Assert.Contains("int4 mrt0 [[color(0)]];", sintShader.Source, StringComparison.Ordinal);
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}
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[Fact]
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public void IdentityPixelOutputKeepsGuestComponentOrder()
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{
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var shader = Gen5ComputeFixtures.CompilePixelOrThrow();
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Assert.Contains(
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"vec<float, 4>(as_type<float>(v[0]), as_type<float>(v[1]), " +
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"as_type<float>(v[2]), as_type<float>(v[3]))",
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shader.Source,
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StringComparison.Ordinal);
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}
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[Fact]
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public void BgraPixelOutputMapsGuestComponentsToPhysicalOrder()
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{
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var shader = Gen5ComputeFixtures.CompilePixelOrThrow(
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componentMapping: new Gen5ColorComponentMapping(0xC6));
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Assert.Contains(
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"vec<float, 4>(as_type<float>(v[2]), as_type<float>(v[1]), " +
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"as_type<float>(v[0]), as_type<float>(v[3]))",
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shader.Source,
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StringComparison.Ordinal);
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}
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[Fact]
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public void VertexStageEmitsVertexInterface()
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{
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var shader = Gen5ComputeFixtures.CompileVertexOrThrow();
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Assert.Equal(Gen5MslStage.Vertex, shader.Stage);
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Assert.Equal("gen5_vs", shader.EntryPoint);
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Assert.Equal(1u, shader.AttributeCount);
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Assert.Contains("vertex Gen5VsOut gen5_vs(", shader.Source, StringComparison.Ordinal);
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Assert.Contains("float4 sharpemu_position [[position]];", shader.Source, StringComparison.Ordinal);
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Assert.Contains("float4 param0 [[user(locn0)]];", shader.Source, StringComparison.Ordinal);
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Assert.Contains("uint sharpemu_vertex_id [[vertex_id]],", shader.Source, StringComparison.Ordinal);
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Assert.Contains("v[5] = sharpemu_vertex_id;", shader.Source, StringComparison.Ordinal);
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Assert.Contains("v[8] = sharpemu_instance_id;", shader.Source, StringComparison.Ordinal);
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Assert.Contains("sharpemu_out.sharpemu_position = exec ?", shader.Source, StringComparison.Ordinal);
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Assert.Contains("sharpemu_out.param0 = exec ?", shader.Source, StringComparison.Ordinal);
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Assert.Contains("return sharpemu_out;", shader.Source, StringComparison.Ordinal);
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}
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[Fact]
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public void RequiredVertexOutputsAreZeroFilledDeclarations()
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{
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// The paired fragment shader reads locations 0..2; the program only
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// exports param0, so 1 and 2 must still be declared (zero-filled).
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var shader = Gen5ComputeFixtures.CompileVertexOrThrow(requiredVertexOutputCount: 3);
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Assert.Equal(3u, shader.AttributeCount);
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Assert.Contains("float4 param1 [[user(locn1)]];", shader.Source, StringComparison.Ordinal);
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Assert.Contains("float4 param2 [[user(locn2)]];", shader.Source, StringComparison.Ordinal);
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}
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[Fact]
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public void FixedShadersCoverThePresenterSurface()
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{
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var fullscreen = MslFixedShaders.CreateFullscreenVertex(2);
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Assert.Contains("vertex FullscreenOut fullscreen_vs(", fullscreen, StringComparison.Ordinal);
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Assert.Contains("float4 attr1 [[user(locn1)]];", fullscreen, StringComparison.Ordinal);
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Assert.Contains("tex0.sample(smp0, in.attr0.xy)", MslFixedShaders.CreateCopyFragment(), StringComparison.Ordinal);
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Assert.Contains("float4(1.0f, 0.0f, 1.0f, 1.0f)", MslFixedShaders.CreateSolidFragment(1f, 0f, 1f, 1f), StringComparison.Ordinal);
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Assert.Contains("return in.attr3;", MslFixedShaders.CreateAttributeFragment(3), StringComparison.Ordinal);
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Assert.Contains("fragment void depth_only_fs()", MslFixedShaders.CreateDepthOnlyFragment(), StringComparison.Ordinal);
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}
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[Theory]
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[InlineData(0xFACu, "as_type<float>(v[4]), as_type<float>(v[5]), as_type<float>(v[6]), as_type<float>(v[7])")]
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[InlineData(0x9F5u, "as_type<float>(v[7]), as_type<float>(v[4]), as_type<float>(v[5]), as_type<float>(v[6])")]
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[InlineData(0xF2Eu, "as_type<float>(v[6]), as_type<float>(v[5]), as_type<float>(v[4]), as_type<float>(v[7])")]
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[InlineData(0x3ACu, "as_type<float>(v[4]), as_type<float>(v[5]), as_type<float>(v[6]), 0.0f")]
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[InlineData(0xFA4u, "as_type<float>(v[4]), 0.0f, as_type<float>(v[6]), as_type<float>(v[7])")]
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public void ImageStoreAppliesInverseDescriptorSwizzle(
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uint dstSelect,
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string expectedComponents)
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{
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var shader = CompileImageStore(dstSelect, dmask: 0xF);
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Assert.Contains(
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$".write(vec<float, 4>({expectedComponents}),",
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shader.Source,
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StringComparison.Ordinal);
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}
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[Fact]
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public void ImageStoreTreatsZeroDmaskAsX()
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{
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var shader = CompileImageStore(
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Gen5ShaderTranslator.IdentityImageDstSelect,
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dmask: 0);
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Assert.Contains(
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".write(vec<float, 4>(as_type<float>(v[4]), 0.0f, 0.0f, 0.0f),",
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shader.Source,
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StringComparison.Ordinal);
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}
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[Fact]
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public void ImageStoreMipAppliesInverseDescriptorSwizzle()
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{
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var shader = CompileImageStore(
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0x9F5u,
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dmask: 0xF,
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opcode: "ImageStoreMip");
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Assert.Contains(
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".write(vec<float, 4>(as_type<float>(v[7]), as_type<float>(v[4]), as_type<float>(v[5]), as_type<float>(v[6])),",
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shader.Source,
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StringComparison.Ordinal);
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}
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[Fact]
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public void UintImageStoreUsesUintTextureAndInverseDescriptorSwizzle()
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{
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var shader = CompileImageStore(
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0xF2Eu,
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dmask: 0xF,
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unifiedFormat: 69u); // FORMAT_16_16_16_16_UINT
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Assert.Contains(
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"texture2d<uint, access::write>",
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shader.Source,
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StringComparison.Ordinal);
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Assert.Contains(
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".write(vec<uint, 4>(v[6], v[5], v[4], v[7]),",
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shader.Source,
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StringComparison.Ordinal);
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}
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[Fact]
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public void UnsupportedOpcodeFailsLoudlyWithPc()
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{
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// v_cubeid_f32 is real but outside the phase-1 ALU set: the translator
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// must name the opcode and pc instead of emitting wrong code.
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var fixture = new Gen5ComputeFixture(
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"unsupported",
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[
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0xD5C40000, 0x04060501, // v_cubeid_f32 v0, v1, v2, v3
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0xBF810000, // s_endpgm
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],
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StoreScalarResourceBase: 0,
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StoreBackingBytes: 0);
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var exception = Assert.Throws<InvalidOperationException>(
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() => Gen5ComputeFixtures.CompileRequestOrThrow(fixture));
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Assert.Contains("pc=0x", exception.Message, StringComparison.Ordinal);
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}
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[Fact]
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public void RelativeVectorSourceUsesM0ForDynamicRead()
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{
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var fixture = new Gen5ComputeFixture(
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"relative-vector-source",
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[
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0x7E6E870C, // v_movrels_b32 v55, v12
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0xBF810000, // s_endpgm
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],
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StoreScalarResourceBase: 0,
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StoreBackingBytes: 0);
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var shader = Gen5ComputeFixtures.CompileRequestOrThrow(fixture);
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Assert.Contains("12u + (s[124])", shader.Source, StringComparison.Ordinal);
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Assert.Contains("< 256u ?", shader.Source, StringComparison.Ordinal);
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}
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[Fact]
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public void ScalarBlockerOpcodesCompileWithRdna2Semantics()
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{
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var fixture = new Gen5ComputeFixture(
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"scalar-blockers",
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[
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0xBF130200, // s_cmp_lg_u64 s[0:1], s[2:3]
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0xBE861404, // s_ff1_i32_b64 s6, s[4:5]
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0xBEEB106A, // s_bcnt1_i32_b64 s107, s[106:107]
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0xBE890908, // s_wqm_b32 s9, s8
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0xBF810000, // s_endpgm
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],
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StoreScalarResourceBase: 0,
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StoreBackingBytes: 0);
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var shader = Gen5ComputeFixtures.CompileRequestOrThrow(fixture);
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Assert.Contains(" != ", shader.Source, StringComparison.Ordinal);
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Assert.Contains("(uint)ctz(", shader.Source, StringComparison.Ordinal);
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Assert.Contains("(uint)popcount(", shader.Source, StringComparison.Ordinal);
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Assert.Contains("& 0x11111111u", shader.Source, StringComparison.Ordinal);
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Assert.Contains("* 0xFu", shader.Source, StringComparison.Ordinal);
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}
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[Fact]
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public void DataShareWaveCountersUseOneAtomicPerWave()
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{
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var fixture = new Gen5ComputeFixture(
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"data-share-wave-counters",
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[
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0xD8F80014, 0x07000000, // ds_append v7 offset:20
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0xD8F40014, 0x08000000, // ds_consume v8 offset:20
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0xBF810000, // s_endpgm
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],
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StoreScalarResourceBase: 0,
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StoreBackingBytes: 0);
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var shader = Gen5ComputeFixtures.CompileRequestOrThrow(fixture);
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Assert.Contains("popcount(", shader.Source, StringComparison.Ordinal);
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Assert.Contains(">> 16u", shader.Source, StringComparison.Ordinal);
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Assert.Contains("& 0xFFFFu", shader.Source, StringComparison.Ordinal);
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Assert.Contains("atomic_fetch_add_explicit", shader.Source, StringComparison.Ordinal);
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Assert.Contains("atomic_fetch_sub_explicit", shader.Source, StringComparison.Ordinal);
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Assert.Contains("simd_broadcast", shader.Source, StringComparison.Ordinal);
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}
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[Theory]
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[InlineData(0xBF970001u)]
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[InlineData(0xBF980001u)]
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[InlineData(0xBF990001u)]
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[InlineData(0xBF9A0001u)]
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public void DebugConditionBranchesFallThroughWithoutShaderDebugger(uint branch)
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{
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var fixture = new Gen5ComputeFixture(
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"debug-condition-branch",
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[
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branch,
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0xBF800000, // s_nop 0
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0xBF810000, // s_endpgm
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],
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StoreScalarResourceBase: 0,
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StoreBackingBytes: 0);
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var shader = Gen5ComputeFixtures.CompileRequestOrThrow(fixture);
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Assert.Contains("pc = (false) ?", shader.Source, StringComparison.Ordinal);
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}
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[Theory]
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[InlineData(true, 22u)]
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[InlineData(false, 0u)]
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public void TypedBufferLoadUsesTheInstructionFormatAndUntypedKeepsTheDescriptorTable(bool typed, uint typedFormat)
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{
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var load = new Gen5ShaderInstruction(
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0,
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typed ? Gen5ShaderEncoding.Mtbuf : Gen5ShaderEncoding.Mubuf,
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typed ? "TBufferLoadFormatXyzw" : "BufferLoadFormatXyzw",
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[0, 0],
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[Gen5Operand.Vector(0), Gen5Operand.Scalar(8), Gen5Operand.Source(128, null)],
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[Gen5Operand.Vector(4)],
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new Gen5BufferMemoryControl(
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4,
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0,
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4,
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8,
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0,
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IndexEnabled: false,
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OffsetEnabled: false,
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Glc: false,
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Slc: false,
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Typed: typed,
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TypedFormat: typedFormat));
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var end = new Gen5ShaderInstruction(8, Gen5ShaderEncoding.Sopp, "SEndpgm", [0xBF810000], [], [], null);
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var scalars = new uint[256];
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scalars[8] = 0x2000;
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scalars[10] = 64;
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scalars[11] = 77u << 12;
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var shader = CompileMaterialized(new Gen5ShaderProgram(0, [load, end]), scalars[..12]);
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if (typed)
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{
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Assert.DoesNotContain("sharpemu_gfx10_formats[(", shader.Source, StringComparison.Ordinal);
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Assert.Contains("sharpemu_format_layout(4u, 0u,", shader.Source, StringComparison.Ordinal);
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}
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else
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{
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Assert.Contains("sharpemu_gfx10_formats[(", shader.Source, StringComparison.Ordinal);
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Assert.Contains("== 7u ?", shader.Source, StringComparison.Ordinal);
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Assert.Contains(": true);", shader.Source, StringComparison.Ordinal);
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Assert.DoesNotContain("sharpemu_format_bytes", shader.Source, StringComparison.Ordinal);
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}
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}
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[Fact]
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public void TypedBufferStoreEncodesAndPlacesEachComponentInOneElement()
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{
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// Format 14 is 8_8 unorm: both registers are encoded, packed into one element
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// with a two-byte mask, and stored under the descriptor and element bounds.
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var shader = CompileTypedBufferAccess("TBufferStoreFormatXy", dwordCount: 2, typedFormat: 14);
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Assert.Contains("if (exec && ", shader.Source, StringComparison.Ordinal);
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Assert.Contains("sharpemu_format_encode(v[4], 8u, 0u, 3u)", shader.Source, StringComparison.Ordinal);
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Assert.Contains("sharpemu_format_encode(v[5], 8u, 0u, 3u)", shader.Source, StringComparison.Ordinal);
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Assert.Contains("<< 8u), 0u, 0u, 0u), uint4(0xFFFFu, 0x0u, 0x0u, 0x0u));", shader.Source, StringComparison.Ordinal);
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Assert.Contains("2u <= sharpemu_resources.buffer_bytes[0] && ", shader.Source, StringComparison.Ordinal);
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Assert.DoesNotContain("sharpemu_store_bytes(b", shader.Source, StringComparison.Ordinal);
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}
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[Fact]
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public void TypedBufferStoreOfWholeDwordsKeepsTheRegisterBits()
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{
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// Format 77 is 32x4 float: four aligned dword stores, no encoding, one bounds test.
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var shader = CompileTypedBufferAccess("TBufferStoreFormatXyzw", dwordCount: 4, typedFormat: 77);
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Assert.Contains(", v[4], 4u);", shader.Source, StringComparison.Ordinal);
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Assert.Contains("+ 12u), v[7], 4u);", shader.Source, StringComparison.Ordinal);
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Assert.Contains("16u <= sharpemu_resources.buffer_bytes[0] && ", shader.Source, StringComparison.Ordinal);
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Assert.DoesNotContain("sharpemu_format_encode(v[", shader.Source, StringComparison.Ordinal);
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Assert.DoesNotContain("sharpemu_store_element(b", shader.Source, StringComparison.Ordinal);
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}
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[Theory]
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[InlineData("TBufferLoadFormatX", 1u, 4u)]
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[InlineData("TBufferLoadFormatXy", 2u, 8u)]
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[InlineData("TBufferStoreFormatX", 1u, 4u)]
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[InlineData("TBufferStoreFormatXy", 2u, 8u)]
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public void TypedBufferBoundsUseOnlyTransferredComponents(string opcode, uint componentCount, uint accessBytes)
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{
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var shader = CompileTypedBufferAccess(opcode, componentCount, typedFormat: 77);
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Assert.Contains($"{accessBytes}u <= sharpemu_resources.buffer_bytes[0] && ", shader.Source, StringComparison.Ordinal);
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Assert.DoesNotContain("16u <= sharpemu_resources.buffer_bytes[0] && ", shader.Source, StringComparison.Ordinal);
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}
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[Fact]
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public void FormattedBufferStoreUsesDescriptorFormatForPackedNormals()
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{
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var shader = CompileTypedBufferAccess("BufferStoreFormatXyzw", 4, 0, typed: false, descriptorFormat: 50);
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// 2_10_10_10 is R10G10B10A2: ten-bit X, Y and Z, then the two-bit W.
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Assert.Contains("sharpemu_format_encode(v[4], 10u, 0u, 9u)", shader.Source, StringComparison.Ordinal);
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Assert.Contains("sharpemu_format_encode(v[5], 10u, 0u, 9u)", shader.Source, StringComparison.Ordinal);
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Assert.Contains("sharpemu_format_encode(v[6], 10u, 0u, 9u)", shader.Source, StringComparison.Ordinal);
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Assert.Contains("sharpemu_format_encode(v[7], 2u, 0u, 9u)", shader.Source, StringComparison.Ordinal);
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Assert.Contains("uint4(0xFFFFFFFFu, 0x0u, 0x0u, 0x0u)", shader.Source, StringComparison.Ordinal);
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Assert.DoesNotContain("sharpemu_store_bytes(b", shader.Source, StringComparison.Ordinal);
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}
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private static Gen5MslShader CompileTypedBufferAccess(string opcode, uint dwordCount, uint typedFormat,
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bool typed = true, uint descriptorFormat = 77)
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{
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var data = new Gen5Operand[dwordCount];
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for (var index = 0; index < data.Length; index++)
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{
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data[index] = Gen5Operand.Vector(4 + (uint)index);
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}
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var access = new Gen5ShaderInstruction(
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0,
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typed ? Gen5ShaderEncoding.Mtbuf : Gen5ShaderEncoding.Mubuf,
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opcode,
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[0, 0],
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[Gen5Operand.Vector(0), Gen5Operand.Scalar(8), Gen5Operand.Source(128, null)],
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data,
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new Gen5BufferMemoryControl(
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dwordCount,
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0,
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4,
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8,
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0,
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IndexEnabled: false,
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OffsetEnabled: false,
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Glc: false,
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Slc: false,
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Typed: typed,
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TypedFormat: typedFormat));
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var end = new Gen5ShaderInstruction(8, Gen5ShaderEncoding.Sopp, "SEndpgm", [0xBF810000], [], [], null);
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var scalars = new uint[256];
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scalars[8] = 0x2000;
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scalars[10] = 64;
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scalars[11] = descriptorFormat << 12;
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var shader = CompileMaterialized(new Gen5ShaderProgram(0, [access, end]), scalars[..12]);
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return shader;
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}
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[Fact]
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public void FormattedVertexFetchZeroFillsMissingComponents()
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|
{
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var fetch = new Gen5ShaderInstruction(
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0,
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|
Gen5ShaderEncoding.Mubuf,
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"BufferLoadFormatXyz",
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[],
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[],
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[],
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new Gen5BufferMemoryControl(
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3,
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5,
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|
0,
|
|
0,
|
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0,
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|
IndexEnabled: true,
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OffsetEnabled: false,
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|
Glc: false,
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|
Slc: false));
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|
var end = new Gen5ShaderInstruction(
|
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4,
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Gen5ShaderEncoding.Sopp,
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"SEndpgm",
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[],
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[],
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[],
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null);
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var program = new Gen5ShaderProgram(0, [fetch, end]);
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var plan = ShaderResourcePlan.Extract(program, ShaderStage.Vertex, 1, 0, 0, new HashSet<uint> { 0 });
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var resources = ResourceMaterializer.ApplyTo(plan, ResourceSpecialization.Default(plan.Info));
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var layout = BindingLayout.Allocate(resources.Info, [], false, false, false);
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var request = new ShaderCompileRequest(plan, resources, layout)
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|
{
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|
VertexInputs = [new ShaderVertexInput(0, 0, 2, 7, false, [])],
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};
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Assert.True(Gen5MslTranslator.TryCompileProgram(request, out var shader, out var error), error);
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Assert.Contains("v[2] = 0u;", shader.Source, StringComparison.Ordinal);
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}
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|
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private static Gen5MslShader CompileImageStore(
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|
uint dstSelect,
|
|
uint dmask,
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|
string opcode = "ImageStore",
|
|
uint unifiedFormat = 71u)
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|
{
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|
var control = new Gen5ImageControl(
|
|
Dmask: dmask,
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|
VectorAddress: 0,
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|
AddressRegisters: [0, 1],
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|
VectorData: 4,
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|
ScalarResource: 8,
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|
ScalarSampler: 16,
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|
Dimension: 1,
|
|
IsArray: false,
|
|
Glc: false,
|
|
Slc: false,
|
|
A16: false,
|
|
D16: false);
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|
var store = new Gen5ShaderInstruction(
|
|
0,
|
|
Gen5ShaderEncoding.Mimg,
|
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opcode,
|
|
[],
|
|
[],
|
|
[],
|
|
control);
|
|
var end = new Gen5ShaderInstruction(
|
|
8,
|
|
Gen5ShaderEncoding.Sopp,
|
|
"SEndpgm",
|
|
[0xBF810000],
|
|
[],
|
|
[],
|
|
null);
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var userData = new uint[16];
|
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userData[8] = 0x20;
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userData[9] = unifiedFormat << 20;
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userData[11] = (9u << 28) | dstSelect;
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return CompileMaterialized(new Gen5ShaderProgram(0x1_0000_C000, [store, end]), userData);
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}
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private static Gen5MslShader CompileMaterialized(Gen5ShaderProgram program, uint[] userData)
|
|
{
|
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var plan = ShaderResourcePlan.Extract(program, ShaderStage.Compute, 1, 0, (uint)userData.Length);
|
|
var snapshot = new ResourceSnapshot();
|
|
var specialization = new ResourceSpecialization();
|
|
Assert.True(ResourceMaterializer.Materialize(plan, new ResourceRuntimeInputs { UserData = userData },
|
|
ref snapshot, ref specialization));
|
|
var resources = ResourceMaterializer.ApplyTo(plan, specialization);
|
|
var layout = BindingLayout.Allocate(resources.Info,
|
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BindingLayout.CollectUserDataRegisters(program, 0, (uint)userData.Length), false,
|
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ShaderCompileRequest.RequiresFlattenedTable(plan, resources), false);
|
|
var request = new ShaderCompileRequest(plan, resources, layout);
|
|
Assert.True(Gen5MslTranslator.TryCompileProgram(request, out var shader, out var error), error);
|
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return shader;
|
|
}
|
|
|
|
}
|