Docs/readme images (#302)

* [readme] update showcase images

* [readme] update readme images and change version to 0.0.2

Directory.Build.props

@@ -9,7 +9,7 @@ SPDX-License-Identifier: GPL-2.0-or-later
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
-    <SharpEmuVersion>0.0.1</SharpEmuVersion>
+    <SharpEmuVersion>0.0.2</SharpEmuVersion>
     <Version>$(SharpEmuVersion)</Version>
 
     <RepoRoot>$([MSBuild]::NormalizeDirectory('$(MSBuildThisFileDirectory)'))</RepoRoot>

README.md

@@ -90,21 +90,13 @@ release includes the MoltenVK Vulkan implementation.
 
 ## Games Tested
 
-* **Demon's Souls Remake**
+|               Demons Souls Remake                   |                     Dreaming Sarah                         |
-  * [Demon's Souls [PPSA01341]](https://github.com/sharpemu/sharpemu/issues/2)
+| :-----------------------------------------------------------: | :--------------------------------------------------------------------------------------------: |
-  * Demon's Souls is now video loop. Shaders are ready to be converted to SPIR-V/Vulkan. We are continuing our work on this.
+| ![Bloodborne screenshot](./.github/images/demons-souls.jpg) | ![Dreaming Sarah](./.github/images/dreaming-sarah.jpg) |
-  ![DeS videoOut submit first frame](./.github/images/des-videoout-shaders.jpg)
 
-* **Poppy Playtime Chapter 1**
+|                  Void Terrarium                     |                 Dead Cells                    |
-  * [Poppy Playtime Chapter 1 [PPSA20591]](https://github.com/sharpemu/sharpemu/issues/3)
+| :------------------------------------------------------------------------: | :------------------------------------------------------------------: |
-
+| ![Void Terrarium](./.github/images/void-terrarium.jpg) | ![Dead Cells](./.github/images/dead-cells.jpg) |
-* **SILENT HILL: The Short Message**
-  * [SILENT HILL: The Short Message [PPSA10112]](https://github.com/sharpemu/sharpemu/issues/4)
-
-* **Dreaming Sarah**
-  * [Dreaming Sarah [PPSA02929]](https://github.com/sharpemu/sharpemu/issues/9)
-  * Real texture rendering for this game;
-  ![Splash texture](./.github/images/dreaming-sarah.jpg)
 
 
 > [!IMPORTANT]  

src/SharpEmu.GUI/Languages/en.json

@@ -141,6 +141,8 @@
   "Options.About" : "About",
   "About.Github.Label": "GitHub",
   "About.Github.Desc": "Source code, issues and project development.",
+  "About.Github.LatestCommitLabel": "Latest Commit",
+  "About.Github.LatestCommitDescription": "Latest commit on the main branch",
   "About.Discord.Label": "Discord",
   "About.Discord.Desc": "Join the community, get support and follow development.",
   "About.GithubButton": "Contribute in GitHub!",

src/SharpEmu.GUI/Languages/es.json

@@ -131,6 +131,8 @@
   "About.Github.Label": "GitHub",
   "About.Github.Desc": "Código fuente, issues y desarrollo del proyecto.",
   "About.Discord.Label": "Discord",
+  "About.Github.LatestCommitLabel": "Último Commit",
+  "About.Github.LatestCommitDescription": "Último commit en la rama main",
   "About.Discord.Desc": "Únete a la comunidad, recibe soporte y sigue el desarrollo.",
   "About.GithubButton": "Contribuye en GitHub!",
   "About.DiscordButton": "Únete a nuestro Discord!"

src/SharpEmu.GUI/MainWindow.axaml

@@ -333,12 +333,36 @@ SPDX-License-Identifier: GPL-2.0-or-later
                                 Classes="sectionTitle"
                                 Text="ABOUT" />
 
+                      <!--Latest commit info-->
                       <Grid ColumnDefinitions="*,Auto">
-                        <StackPanel Grid.Column="0" Spacing="2" VerticalAlignment="Center">
+                        <StackPanel Grid.Column="0" Orientation="Horizontal" Spacing="8" VerticalAlignment="Center">
+                          <Image Source="avares://SharpEmu.GUI/Assets/commit-icon.png"
+                                    Width="24" Height="24" VerticalAlignment="Center" />
+                          <StackPanel Spacing="2" VerticalAlignment="Center">
+                            <TextBlock x:Name="LatestCommitLabel" Text="Latest commit" FontSize="13"/>
+                            <TextBlock x:Name="LatestCommitDescription" Text="Latest commit on the main branch" FontSize="11" Foreground="{StaticResource MutedBrush}"/>
+                          </StackPanel>
+                        </StackPanel>
+
+                        <Button Grid.Column="1" x:Name="LatestCommitHashText" Classes="ghost"
+                          Content="Loading…" FontSize="12" FontFamily="Consolas,monospace"
+                          VerticalAlignment="Center" IsEnabled="False" />
+
+                      </Grid>
+
+                      <!--Update-->
+                      <Grid ColumnDefinitions="*,Auto">
+                        <StackPanel Grid.Column="0" Orientation="Horizontal" Spacing="8" VerticalAlignment="Center">
+                          <Image Source="avares://SharpEmu.GUI/Assets/update-icon.png"
+                                    Width="24"
+                                    Height="24"
+                                    VerticalAlignment="Center" />
+                          <StackPanel Spacing="2" VerticalAlignment="Center">
                             <TextBlock x:Name="UpdateLabel" Text="Updates" FontSize="13" />
                             <TextBlock x:Name="UpdateStatusText" Text="Current build: dev" FontSize="11"
                                       Foreground="{StaticResource MutedBrush}" TextWrapping="Wrap" />
                           </StackPanel>
+                        </StackPanel>
                         <Button Grid.Column="1" x:Name="UpdateButton" Classes="ghost"
                                 Content="Check for updates" VerticalAlignment="Center" />
                       </Grid>

src/SharpEmu.GUI/MainWindow.axaml.cs

@@ -20,6 +20,7 @@ using System.Collections.ObjectModel;
 using System.Diagnostics;
 using System.Reflection;
 using System.Text.Json;
+using System.Net.Http.Headers;
 
 namespace SharpEmu.GUI;
 
@@ -78,6 +79,10 @@ public partial class MainWindow : Window
     private long _navUpNextAt;
     private long _navDownNextAt;
 
+    //Github http client for latest commit
+    private static readonly HttpClient GithubHttpClient = CreateGithubHttpClient();
+    private string? _latestCommitSha;
+
     public MainWindow()
     {
         InitializeComponent();
@@ -195,6 +200,21 @@ public partial class MainWindow : Window
                 UseShellExecute = true
             });
         };
+
+        LatestCommitHashText.Click += (_, _) =>
+        {
+            if (string.IsNullOrWhiteSpace(_latestCommitSha))
+            {
+                return;
+            }
+
+            Process.Start(new ProcessStartInfo
+            {
+                FileName =
+                    $"https://github.com/sharpemu/sharpemu/commit/{_latestCommitSha}",
+                UseShellExecute = true
+            });
+        };
     }
 
     /// <summary>
@@ -236,6 +256,91 @@ public partial class MainWindow : Window
         }
     }
 
+    // ---- Github http client config ----
+    // This is for getting lash commit id
+    private static HttpClient CreateGithubHttpClient()
+    {
+        var client = new HttpClient
+        {
+            Timeout = TimeSpan.FromSeconds(15)
+        };
+
+        client.DefaultRequestHeaders.UserAgent.ParseAdd("SharpEmu/1.0");
+        client.DefaultRequestHeaders.Accept.Add(
+            new MediaTypeWithQualityHeaderValue("application/vnd.github.sha"));
+
+        client.DefaultRequestHeaders.Add(
+            "X-GitHub-Api-Version",
+            "2026-03-10");
+
+        return client;
+    }
+    private async Task LoadLatestCommitAsync()
+    {
+        const string apiUrl =
+            "https://api.github.com/repos/sharpemu/sharpemu/commits/main";
+
+        _latestCommitSha = null;
+        LatestCommitHashText.Content = "Loading…";
+        LatestCommitHashText.IsEnabled = false;
+
+        try
+        {
+            using var response = await GithubHttpClient.GetAsync(apiUrl);
+            var responseBody =
+                (await response.Content.ReadAsStringAsync()).Trim();
+
+            if (!response.IsSuccessStatusCode)
+            {
+                LatestCommitHashText.Content =
+                    $"HTTP {(int)response.StatusCode}";
+
+                ToolTip.SetTip(
+                    LatestCommitHashText,
+                    string.IsNullOrWhiteSpace(responseBody)
+                        ? response.ReasonPhrase
+                        : responseBody);
+
+                return;
+            }
+
+            if (responseBody.Length < 7)
+            {
+                LatestCommitHashText.Content = "Invalid response";
+                ToolTip.SetTip(LatestCommitHashText, responseBody);
+                return;
+            }
+
+            // Keep the complete SHA for the URL.
+            _latestCommitSha = responseBody;
+
+            // Display only the short SHA.
+            LatestCommitHashText.Content =
+                responseBody[..Math.Min(7, responseBody.Length)];
+
+            LatestCommitHashText.IsEnabled = true;
+
+            ToolTip.SetTip(
+                LatestCommitHashText,
+                $"Open commit {_latestCommitSha}");
+        }
+        catch (TaskCanceledException ex)
+        {
+            LatestCommitHashText.Content = "Timeout";
+            ToolTip.SetTip(LatestCommitHashText, ex.Message);
+        }
+        catch (HttpRequestException ex)
+        {
+            LatestCommitHashText.Content = "Connection error";
+            ToolTip.SetTip(LatestCommitHashText, ex.Message);
+        }
+        catch (Exception ex)
+        {
+            LatestCommitHashText.Content = "Error";
+            ToolTip.SetTip(LatestCommitHashText, ex.Message);
+        }
+    }
+
     // ---- Controller navigation ----
 
     private void PollGamepad()
@@ -381,6 +486,8 @@ public partial class MainWindow : Window
         ApplySettingsToControls();
         LocateEmulator();
         UpdateDiscordPresence();
+        _ = LoadLatestCommitAsync();
+
         if (_settings.CheckForUpdatesOnStartup)
         {
             _ = CheckForUpdatesAsync();
@@ -516,6 +623,8 @@ public partial class MainWindow : Window
         GithubButton.Content = loc.Get("About.GithubButton");
         DiscordButton.Content = loc.Get("About.DiscordButton");
         UpdateLabel.Text = loc.Get("Updater.Label");
+        LatestCommitLabel.Text = loc.Get("About.Github.LatestCommitLabel");
+        LatestCommitDescription.Text = loc.Get("About.Github.LatestCommitDescription");
         RefreshUpdateText();
 
         UpdateEmptyStateTexts();

src/SharpEmu.GUI/SharpEmu.GUI.csproj

@@ -32,6 +32,8 @@ SPDX-License-Identifier: GPL-2.0-or-later
     <AvaloniaResource Include="..\..\assets\images\SharpEmu.ico" Link="Assets/SharpEmu.ico" />
     <AvaloniaResource Include="..\..\assets\images\github.png" Link="Assets/github.png" />
     <AvaloniaResource Include="..\..\assets\images\discord.png" Link="Assets/discord.png" />
+    <AvaloniaResource Include="..\..\assets\images\update-icon.png" Link="Assets/update-icon.png" />
+    <AvaloniaResource Include="..\..\assets\images\commit-icon.png" Link="Assets/commit-icon.png" />
   </ItemGroup>
 
   <ItemGroup>

src/SharpEmu.Libs/Agc/AgcExports.cs

@@ -121,6 +121,7 @@ public static partial class AgcExports
     private const uint CbBlend0Control = 0x1E0;
     private const uint PaScModeCntl0 = 0x292;
     // GFX10 DB context registers (register byte address minus 0x28000, / 4).
+    private const uint DbRenderControl = 0x000;
     private const uint DbDepthView = 0x002;
     private const uint DbDepthSizeXy = 0x007;
     private const uint DbDepthClear = 0x00B;
@@ -5291,7 +5292,7 @@ public static partial class AgcExports
         var hasDepthOnlyCandidate = hasExportShader &&
             !hasPixelShader &&
             depthTarget is not null &&
-            (depthState.TestEnable || depthState.WriteEnable);
+            (depthState.TestEnable || depthState.WriteEnable || depthState.ClearEnable);
         if (hasDepthOnlyCandidate &&
             TryCreateTranslatedDepthOnlyGuestDraw(
                 ctx,
@@ -6652,27 +6653,30 @@ public static partial class AgcExports
 
     // DB_DEPTH_CONTROL (context register 0x200): Z_ENABLE bit1, Z_WRITE_ENABLE
     // bit2, ZFUNC bits[6:4] (GCN compare, matches Vulkan CompareOp ordering).
+    // DB_RENDER_CONTROL (context register 0x000): DEPTH_CLEAR_ENABLE bit0.
     private const uint DbDepthControl = 0x200;
 
-    private static GuestDepthState DecodeDepthState(
+    internal static GuestDepthState DecodeDepthState(
         IReadOnlyDictionary<uint, uint> registers)
     {
-        if (!registers.TryGetValue(DbDepthControl, out var control))
+        var hasDepthControl = registers.TryGetValue(DbDepthControl, out var control);
-        {
+        registers.TryGetValue(DbRenderControl, out var renderControl);
-            return GuestDepthState.Default;
-        }
-
         var testEnable = (control & 0x2u) != 0;
         var writeEnable = (control & 0x4u) != 0;
-        var compareOp = (control >> 4) & 0x7u;
+        var compareOp = hasDepthControl
-        return new GuestDepthState(testEnable, writeEnable, compareOp);
+            ? (control >> 4) & 0x7u
+            : GuestDepthState.Default.CompareOp;
+        var clearEnable = (renderControl & 0x1u) != 0;
+        return new GuestDepthState(testEnable, writeEnable, compareOp, clearEnable);
     }
 
     private static GuestDepthTarget? DecodeDepthTarget(
         IReadOnlyDictionary<uint, uint> registers)
     {
         var depthState = DecodeDepthState(registers);
-        if (!depthState.TestEnable && !depthState.WriteEnable)
+        if (!depthState.TestEnable &&
+            !depthState.WriteEnable &&
+            !depthState.ClearEnable)
         {
             return null;
         }

src/SharpEmu.Libs/Gpu/GuestGpuTypes.cs

@@ -91,9 +91,10 @@ internal readonly record struct GuestRasterState(
 internal readonly record struct GuestDepthState(
     bool TestEnable,
     bool WriteEnable,
-    uint CompareOp)
+    uint CompareOp,
+    bool ClearEnable = false)
 {
-    public static GuestDepthState Default { get; } = new(false, false, 7);
+    public static GuestDepthState Default { get; } = new(false, false, 7, false);
 }
 
 /// <summary>Factors/funcs are raw guest CB_BLEND*_CONTROL register bitfields; the

src/SharpEmu.Libs/VideoOut/VulkanVideoPresenter.cs

@@ -2213,6 +2213,12 @@ internal static unsafe class VulkanVideoPresenter
         return keys;
     }
 
+    internal static bool ShouldAttachGuestDepth(
+        GuestDepthTarget? target,
+        GuestDepthState state) =>
+        target is not null &&
+        (state.TestEnable || state.WriteEnable || state.ClearEnable);
+
     private readonly record struct Presentation(
         byte[]? Pixels,
         uint Width,
@@ -4399,23 +4405,29 @@ internal static unsafe class VulkanVideoPresenter
             CollectCompletedGuestSubmissions(waitForOldest: false);
             var waitedMs = (System.Diagnostics.Stopwatch.GetTimestamp() - waitStart) *
                 1000.0 / System.Diagnostics.Stopwatch.Frequency;
+            if (_traceVulkanShaderEnabled)
+            {
                 TraceVulkanShader(
                     $"vk.queue_visibility queue={_activeGuestQueue.Name} " +
                     $"submission={_activeGuestQueue.SubmissionId} " +
                     $"target_timeline={targetTimeline} completed_timeline={_completedTimeline} " +
                     $"waited_ms={waitedMs:F3}");
             }
+        }
 
         private void ExecuteOrderedGuestAction(VulkanOrderedGuestAction work)
         {
             WaitForActiveGuestQueueSubmissionsForCpuVisibility();
             WriteBackAllDirtyGuestBuffers(_activeGuestQueue.Name);
             work.Action();
+            if (_traceVulkanShaderEnabled)
+            {
                 TraceVulkanShader(
                     $"vk.ordered_action queue={_activeGuestQueue.Name} " +
                     $"submission={_activeGuestQueue.SubmissionId} " +
                     $"work_sequence={_activeGuestWorkSequence} name='{work.DebugName}'");
             }
+        }
 
         private void ExecuteOrderedGuestFlip(VulkanOrderedGuestFlip work)
         {
@@ -7523,21 +7535,43 @@ internal static unsafe class VulkanVideoPresenter
 
             var size = (ulong)Math.Max(guestBuffer.Length, sizeof(uint));
             var endAddress = checked(guestBuffer.BaseAddress + size);
-            var allocation = _guestBufferAllocations
+            GuestBufferAllocation? allocation = null;
-                .Where(candidate =>
+            var allocationPriority = -1;
-                    candidate.BaseAddress <= guestBuffer.BaseAddress &&
+            // This runs for every bound global buffer. Preserve the previous
-                    candidate.BaseAddress + candidate.Size >= endAddress)
+            // stable queue preference without allocating LINQ sort state.
-                .OrderByDescending(candidate =>
+            foreach (var candidate in _guestBufferAllocations)
-                    string.Equals(
+            {
+                if (candidate.BaseAddress > guestBuffer.BaseAddress ||
+                    candidate.BaseAddress + candidate.Size < endAddress)
+                {
+                    continue;
+                }
+
+                var candidatePriority = string.Equals(
                         candidate.QueueName,
                         _activeGuestQueue.Name,
-                        StringComparison.Ordinal))
+                        StringComparison.Ordinal)
-                .ThenByDescending(candidate =>
+                    ? 2
-                    string.Equals(
+                    : string.Equals(
                         candidate.QueueName,
                         SharedReadOnlyGuestBufferQueue,
-                        StringComparison.Ordinal))
+                        StringComparison.Ordinal)
-                .First();
+                        ? 1
+                        : 0;
+                if (candidatePriority > allocationPriority)
+                {
+                    allocation = candidate;
+                    allocationPriority = candidatePriority;
+                }
+            }
+
+            if (allocation is null)
+            {
+                throw new InvalidOperationException(
+                    $"no Vulkan guest buffer allocation covers " +
+                    $"0x{guestBuffer.BaseAddress:X16}-0x{endAddress:X16}");
+            }
+
             var guestOffset = guestBuffer.BaseAddress - allocation.BaseAddress;
             var descriptorOffset = guestOffset &
                 ~(GuestStorageBufferOffsetAlignment - 1);
@@ -7586,16 +7620,15 @@ internal static unsafe class VulkanVideoPresenter
                     WaitForActiveGuestQueueSubmissionsForCpuVisibility();
                     WriteBackAllDirtyGuestBuffers(_activeGuestQueue.Name);
                 }
-                var live = new byte[guestBuffer.Length];
+                var mapped = new Span<byte>(
-                if (_guestMemory?.TryRead(guestBuffer.BaseAddress, live) == true)
+                    (void*)(allocation.Mapped + checked((nint)guestOffset)),
+                    guestBuffer.Length);
+                if (_guestMemory?.TryRead(guestBuffer.BaseAddress, mapped) != true)
                 {
-                    source = live;
+                    source.CopyTo(mapped);
                 }
 
-                source.CopyTo(new Span<byte>(
+                mapped.CopyTo(shadow);
-                    (void*)(allocation.Mapped + checked((nint)guestOffset)),
-                    source.Length));
-                source.CopyTo(shadow);
             }
 
             if (ShouldTraceVulkanResources() &&
@@ -7605,14 +7638,6 @@ internal static unsafe class VulkanVideoPresenter
                     $"[LOADER][TRACE] vk.global_buffer base=0x{guestBuffer.BaseAddress:X16} " +
                     $"bytes={guestBuffer.Length}");
             }
-            if (_setDebugUtilsObjectName is not null)
-            {
-                SetDebugName(
-                    ObjectType.Buffer,
-                    allocation.Buffer.Handle,
-                    $"SharpEmu global 0x{guestBuffer.BaseAddress:X16} {guestBuffer.Length}b");
-            }
-
             if (guestBuffer.Pooled)
             {
                 GuestDataPool.Return(guestBuffer.Data);
@@ -9440,6 +9465,7 @@ internal static unsafe class VulkanVideoPresenter
             {
                 var extent = new Extent2D(firstTarget.Width, firstTarget.Height);
                 var draw = work.Draw;
+                var clearDepthForDraw = draw.RenderState.Depth.ClearEnable;
                 if (work.DepthTarget?.ReadOnly == true && draw.RenderState.Depth.WriteEnable)
                 {
                     draw = draw with
@@ -9452,9 +9478,10 @@ internal static unsafe class VulkanVideoPresenter
                 }
                 GuestDepthResource? depth = null;
                 DepthFramebufferResource? depthFramebuffer = null;
-                if (work.DepthTarget is { } depthTarget &&
+                if (ShouldAttachGuestDepth(
-                    (draw.RenderState.Depth.TestEnable ||
+                        work.DepthTarget,
-                     draw.RenderState.Depth.WriteEnable))
+                        draw.RenderState.Depth) &&
+                    work.DepthTarget is { } depthTarget)
                 {
                     var effectiveDepthTarget = depthTarget;
                     if (depthTarget.Width < firstTarget.Width || depthTarget.Height < firstTarget.Height)
@@ -9501,21 +9528,45 @@ internal static unsafe class VulkanVideoPresenter
 
                     depth = GetOrCreateGuestDepth(effectiveDepthTarget);
                     PrepareFirstUseDepth(depth, draw.RenderState.Depth);
+                    if (clearDepthForDraw)
+                    {
+                        depth.GuestClearDepth = effectiveDepthTarget.ClearDepth;
+                        depth.ClearDepth = effectiveDepthTarget.ClearDepth;
+                    }
                     if (targets.Length == 1)
                     {
                         depthFramebuffer = GetOrCreateDepthFramebuffer(firstTarget, depth);
                     }
                 }
 
+                if (clearDepthForDraw)
+                {
+                    // DB_RENDER_CONTROL.DEPTH_CLEAR_ENABLE makes this a DB
+                    // clear operation. The draw still produces color, but its
+                    // interpolated vertex Z is not the guest clear value.
+                    draw = draw with
+                    {
+                        RenderState = draw.RenderState with
+                        {
+                            Depth = draw.RenderState.Depth with
+                            {
+                                TestEnable = false,
+                                WriteEnable = false,
+                                ClearEnable = false,
+                            },
+                        },
+                    };
+                }
+
                 var renderPass = depthFramebuffer is null
                     ? firstTarget.Initialized
                         ? firstTarget.RenderPass
                         : firstTarget.InitialRenderPass
                     : firstTarget.Initialized
-                        ? depth!.Initialized
+                        ? depth!.Initialized && !clearDepthForDraw
                             ? depthFramebuffer.LoadRenderPass
                             : depthFramebuffer.DepthClearRenderPass
-                        : depth!.Initialized
+                        : depth!.Initialized && !clearDepthForDraw
                             ? depthFramebuffer.ColorClearRenderPass
                             : depthFramebuffer.BothClearRenderPass;
                 var framebuffer = depthFramebuffer?.Framebuffer ?? firstTarget.Framebuffer;
@@ -9531,7 +9582,7 @@ internal static unsafe class VulkanVideoPresenter
                         targets.Select(target =>
                             target.Initialized || target.InitialUploadPending).ToArray(),
                         depth,
-                        depth?.Initialized == true);
+                        depth?.Initialized == true && !clearDepthForDraw);
                     transientRenderPass = renderPass;
                     transientFramebuffer = framebuffer;
                 }
@@ -9719,7 +9770,12 @@ internal static unsafe class VulkanVideoPresenter
                 if (depth is not null)
                 {
                     depth.Initialized = true;
-                    if (draw.RenderState.Depth.WriteEnable)
+                    depth.Layout = ImageLayout.DepthStencilAttachmentOptimal;
+                    if (clearDepthForDraw)
+                    {
+                        depth.InitializationSource = "guest-depth-clear";
+                    }
+                    else if (draw.RenderState.Depth.WriteEnable)
                     {
                         depth.InitializationSource = "translated-depth-write";
                     }
@@ -9853,11 +9909,14 @@ internal static unsafe class VulkanVideoPresenter
                         }
                     }
                 }
+                if (_traceVulkanShaderEnabled)
+                {
                     TraceVulkanShader(
                         $"vk.offscreen_draw mrt={targets.Length} " +
                         $"size={firstTarget.Width}x{firstTarget.Height} " +
                         $"textures={work.Draw.Textures.Count}");
                 }
+            }
             catch (Exception exception)
             {
                 if (TryMarkDeviceLost(exception))

tests/SharpEmu.Libs.Tests/VideoOut/VulkanDepthAttachmentTests.cs

@@ -0,0 +1,89 @@
+// Copyright (C) 2026 SharpEmu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+using SharpEmu.Libs.Agc;
+using SharpEmu.Libs.Gpu;
+using SharpEmu.Libs.VideoOut;
+using Xunit;
+
+namespace SharpEmu.Libs.Tests.VideoOut;
+
+public sealed class VulkanDepthAttachmentTests
+{
+    private static readonly GuestDepthTarget Target = new(
+        ReadAddress: 0x1000,
+        WriteAddress: 0x1000,
+        Width: 1920,
+        Height: 1080,
+        GuestFormat: 1,
+        SwizzleMode: 0,
+        ClearDepth: 1f,
+        ReadOnly: false);
+
+    [Fact]
+    public void GuestDepthTarget_AttachesForDepthWork()
+    {
+        var state = new GuestDepthState(
+            TestEnable: true,
+            WriteEnable: true,
+            CompareOp: 3);
+
+        Assert.True(VulkanVideoPresenter.ShouldAttachGuestDepth(Target, state));
+    }
+
+    [Theory]
+    [InlineData(true, false)]
+    [InlineData(false, true)]
+    public void GuestDepthTarget_AttachesForEitherDepthOperation(
+        bool testEnable,
+        bool writeEnable)
+    {
+        var state = new GuestDepthState(testEnable, writeEnable, CompareOp: 3);
+
+        Assert.True(VulkanVideoPresenter.ShouldAttachGuestDepth(Target, state));
+    }
+
+    [Fact]
+    public void GuestDepthTarget_RequiresTargetAndDepthWork()
+    {
+        var state = GuestDepthState.Default;
+
+        Assert.False(VulkanVideoPresenter.ShouldAttachGuestDepth(Target, state));
+        Assert.False(VulkanVideoPresenter.ShouldAttachGuestDepth(
+            target: null,
+            new GuestDepthState(true, false, CompareOp: 3)));
+    }
+
+    [Fact]
+    public void GuestDepthTarget_AttachesForDepthClear()
+    {
+        var state = new GuestDepthState(
+            TestEnable: false,
+            WriteEnable: false,
+            CompareOp: 7,
+            ClearEnable: true);
+
+        Assert.True(VulkanVideoPresenter.ShouldAttachGuestDepth(Target, state));
+    }
+
+    [Theory]
+    [InlineData(0x41u, true)]
+    [InlineData(0x40u, false)]
+    public void DepthState_DecodesRenderControlClearBit(
+        uint renderControl,
+        bool clearEnable)
+    {
+        var registers = new Dictionary<uint, uint>
+        {
+            [0x000] = renderControl,
+            [0x200] = 0x776,
+        };
+
+        var state = AgcExports.DecodeDepthState(registers);
+
+        Assert.True(state.TestEnable);
+        Assert.True(state.WriteEnable);
+        Assert.Equal(7u, state.CompareOp);
+        Assert.Equal(clearEnable, state.ClearEnable);
+    }
+}