5 files changed, 69 insertions, 2 deletions
diff --git a/src/Ryujinx.Graphics.Vulkan/HardwareCapabilities.cs b/src/Ryujinx.Graphics.Vulkan/HardwareCapabilities.cs
index 4b9ace3a..f600d93f 100644
--- a/src/Ryujinx.Graphics.Vulkan/HardwareCapabilities.cs
+++ b/src/Ryujinx.Graphics.Vulkan/HardwareCapabilities.cs
@@ -43,6 +43,7 @@ namespace Ryujinx.Graphics.Vulkan
         public readonly bool SupportsGeometryShader;
         public readonly bool SupportsViewportArray2;
         public readonly bool SupportsHostImportedMemory;
+        public readonly bool SupportsDepthClipControl;
         public readonly uint MinSubgroupSize;
         public readonly uint MaxSubgroupSize;
         public readonly ShaderStageFlags RequiredSubgroupSizeStages;
@@ -79,6 +80,7 @@ namespace Ryujinx.Graphics.Vulkan
             bool supportsGeometryShader,
             bool supportsViewportArray2,
             bool supportsHostImportedMemory,
+            bool supportsDepthClipControl,
             uint minSubgroupSize,
             uint maxSubgroupSize,
             ShaderStageFlags requiredSubgroupSizeStages,
@@ -114,6 +116,7 @@ namespace Ryujinx.Graphics.Vulkan
             SupportsGeometryShader = supportsGeometryShader;
             SupportsViewportArray2 = supportsViewportArray2;
             SupportsHostImportedMemory = supportsHostImportedMemory;
+            SupportsDepthClipControl = supportsDepthClipControl;
             MinSubgroupSize = minSubgroupSize;
             MaxSubgroupSize = maxSubgroupSize;
             RequiredSubgroupSizeStages = requiredSubgroupSizeStages;
diff --git a/src/Ryujinx.Graphics.Vulkan/PipelineBase.cs b/src/Ryujinx.Graphics.Vulkan/PipelineBase.cs
index ce6148e2..b4eccfbb 100644
--- a/src/Ryujinx.Graphics.Vulkan/PipelineBase.cs
+++ b/src/Ryujinx.Graphics.Vulkan/PipelineBase.cs
@@ -813,8 +813,12 @@ namespace Ryujinx.Graphics.Vulkan
 
         public void SetDepthMode(DepthMode mode)
         {
-            // Currently this is emulated on the shader, because Vulkan had no support for changing the depth mode.
-            // In the future, we may want to use the VK_EXT_depth_clip_control extension to change it here.
+            bool oldMode = _newState.DepthMode;
+            _newState.DepthMode = mode == DepthMode.MinusOneToOne;
+            if (_newState.DepthMode != oldMode)
+            {
+                SignalStateChange();
+            }
         }
 
         public void SetDepthTest(DepthTestDescriptor depthTest)
diff --git a/src/Ryujinx.Graphics.Vulkan/PipelineState.cs b/src/Ryujinx.Graphics.Vulkan/PipelineState.cs
index a3d8dd6f..aff3f13f 100644
--- a/src/Ryujinx.Graphics.Vulkan/PipelineState.cs
+++ b/src/Ryujinx.Graphics.Vulkan/PipelineState.cs
@@ -304,6 +304,12 @@ namespace Ryujinx.Graphics.Vulkan
             set => Internal.Id9 = (Internal.Id9 & 0xFFFFFFFFFFFFFFCF) | ((ulong)value << 4);
         }
 
+        public bool DepthMode
+        {
+            get => ((Internal.Id9 >> 6) & 0x1) != 0UL;
+            set => Internal.Id9 = (Internal.Id9 & 0xFFFFFFFFFFFFFFBF) | ((value ? 1UL : 0UL) << 6);
+        }
+
         public NativeArray<PipelineShaderStageCreateInfo> Stages;
         public NativeArray<PipelineShaderStageRequiredSubgroupSizeCreateInfoEXT> StageRequiredSubgroupSizes;
         public PipelineLayout PipelineLayout;
@@ -331,6 +337,7 @@ namespace Ryujinx.Graphics.Vulkan
 
             LineWidth = 1f;
             SamplesCount = 1;
+            DepthMode = true;
         }
 
         public unsafe Auto<DisposablePipeline> CreateComputePipeline(
@@ -482,6 +489,17 @@ namespace Ryujinx.Graphics.Vulkan
                     PScissors = pScissors
                 };
 
+                if (gd.Capabilities.SupportsDepthClipControl)
+                {
+                    var viewportDepthClipControlState = new PipelineViewportDepthClipControlCreateInfoEXT()
+                    {
+                        SType = StructureType.PipelineViewportDepthClipControlCreateInfoExt,
+                        NegativeOneToOne = DepthMode
+                    };
+
+                    viewportState.PNext = &viewportDepthClipControlState;
+                }
+
                 var multisampleState = new PipelineMultisampleStateCreateInfo
                 {
                     SType = StructureType.PipelineMultisampleStateCreateInfo,
diff --git a/src/Ryujinx.Graphics.Vulkan/VulkanInitialization.cs b/src/Ryujinx.Graphics.Vulkan/VulkanInitialization.cs
index 499a9ef7..51a3b129 100644
--- a/src/Ryujinx.Graphics.Vulkan/VulkanInitialization.cs
+++ b/src/Ryujinx.Graphics.Vulkan/VulkanInitialization.cs
@@ -41,6 +41,7 @@ namespace Ryujinx.Graphics.Vulkan
             "VK_EXT_subgroup_size_control",
             "VK_NV_geometry_shader_passthrough",
             "VK_NV_viewport_array2",
+            "VK_EXT_depth_clip_control",
             "VK_KHR_portability_subset" // As per spec, we should enable this if present.
         };
 
@@ -345,6 +346,17 @@ namespace Ryujinx.Graphics.Vulkan
                 features2.PNext = &supportedFeaturesRobustness2;
             }
 
+            PhysicalDeviceDepthClipControlFeaturesEXT supportedFeaturesDepthClipControl = new PhysicalDeviceDepthClipControlFeaturesEXT()
+            {
+                SType = StructureType.PhysicalDeviceDepthClipControlFeaturesExt,
+                PNext = features2.PNext
+            };
+
+            if (physicalDevice.IsDeviceExtensionPresent("VK_EXT_depth_clip_control"))
+            {
+                features2.PNext = &supportedFeaturesDepthClipControl;
+            }
+
             api.GetPhysicalDeviceFeatures2(physicalDevice.PhysicalDevice, &features2);
 
             var supportedFeatures = features2.Features;
@@ -507,6 +519,21 @@ namespace Ryujinx.Graphics.Vulkan
                 pExtendedFeatures = &featuresCustomBorderColor;
             }
 
+            PhysicalDeviceDepthClipControlFeaturesEXT featuresDepthClipControl;
+
+            if (physicalDevice.IsDeviceExtensionPresent("VK_EXT_depth_clip_control") &&
+                supportedFeaturesDepthClipControl.DepthClipControl)
+            {
+                featuresDepthClipControl = new PhysicalDeviceDepthClipControlFeaturesEXT()
+                {
+                    SType = StructureType.PhysicalDeviceDepthClipControlFeaturesExt,
+                    PNext = pExtendedFeatures,
+                    DepthClipControl = true
+                };
+
+                pExtendedFeatures = &featuresDepthClipControl;
+            }
+
             var enabledExtensions = _requiredExtensions.Union(_desirableExtensions.Intersect(physicalDevice.DeviceExtensions)).ToArray();
 
             IntPtr* ppEnabledExtensions = stackalloc IntPtr[enabledExtensions.Length];
diff --git a/src/Ryujinx.Graphics.Vulkan/VulkanRenderer.cs b/src/Ryujinx.Graphics.Vulkan/VulkanRenderer.cs
index 4f3f7234..3987be9b 100644
--- a/src/Ryujinx.Graphics.Vulkan/VulkanRenderer.cs
+++ b/src/Ryujinx.Graphics.Vulkan/VulkanRenderer.cs
@@ -216,6 +216,11 @@ namespace Ryujinx.Graphics.Vulkan
                 SType = StructureType.PhysicalDeviceCustomBorderColorFeaturesExt
             };
 
+            PhysicalDeviceDepthClipControlFeaturesEXT featuresDepthClipControl = new PhysicalDeviceDepthClipControlFeaturesEXT()
+            {
+                SType = StructureType.PhysicalDeviceDepthClipControlFeaturesExt
+            };
+
             PhysicalDevicePortabilitySubsetFeaturesKHR featuresPortabilitySubset = new PhysicalDevicePortabilitySubsetFeaturesKHR()
             {
                 SType = StructureType.PhysicalDevicePortabilitySubsetFeaturesKhr
@@ -244,6 +249,14 @@ namespace Ryujinx.Graphics.Vulkan
                 features2.PNext = &featuresCustomBorderColor;
             }
 
+            bool supportsDepthClipControl = _physicalDevice.IsDeviceExtensionPresent("VK_EXT_depth_clip_control");
+
+            if (supportsDepthClipControl)
+            {
+                featuresDepthClipControl.PNext = features2.PNext;
+                features2.PNext = &featuresDepthClipControl;
+            }
+
             bool usePortability = _physicalDevice.IsDeviceExtensionPresent("VK_KHR_portability_subset");
 
             if (usePortability)
@@ -310,6 +323,7 @@ namespace Ryujinx.Graphics.Vulkan
                 _physicalDevice.PhysicalDeviceFeatures.GeometryShader,
                 _physicalDevice.IsDeviceExtensionPresent("VK_NV_viewport_array2"),
                 _physicalDevice.IsDeviceExtensionPresent(ExtExternalMemoryHost.ExtensionName),
+                supportsDepthClipControl && featuresDepthClipControl.DepthClipControl,
                 propertiesSubgroupSizeControl.MinSubgroupSize,
                 propertiesSubgroupSizeControl.MaxSubgroupSize,
                 propertiesSubgroupSizeControl.RequiredSubgroupSizeStages,
@@ -585,6 +599,7 @@ namespace Ryujinx.Graphics.Vulkan
                 supportsViewportMask: Capabilities.SupportsViewportArray2,
                 supportsViewportSwizzle: false,
                 supportsIndirectParameters: true,
+                supportsDepthClipControl: Capabilities.SupportsDepthClipControl,
                 maximumUniformBuffersPerStage: Constants.MaxUniformBuffersPerStage,
                 maximumStorageBuffersPerStage: Constants.MaxStorageBuffersPerStage,
                 maximumTexturesPerStage: Constants.MaxTexturesPerStage,