2 files changed, 38 insertions, 0 deletions

diff --git a/src/video_core/vulkan_common/vulkan_device.cpp b/src/video_core/vulkan_common/vulkan_device.cpp
index 7bf5b6578..38410eee4 100644
--- a/src/video_core/vulkan_common/vulkan_device.cpp
+++ b/src/video_core/vulkan_common/vulkan_device.cpp
@@ -433,6 +433,19 @@ Device::Device(VkInstance instance_, vk::PhysicalDevice physical_, VkSurfaceKHR
         LOG_INFO(Render_Vulkan, "Device doesn't support uint8 indexes");
     }
 
+    VkPhysicalDevicePrimitiveTopologyListRestartFeaturesEXT primitive_topology_list_restart;
+    if (is_topology_list_restart_supported || is_patch_list_restart_supported) {
+        primitive_topology_list_restart = {
+            .sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PRIMITIVE_TOPOLOGY_LIST_RESTART_FEATURES_EXT,
+            .pNext = nullptr,
+            .primitiveTopologyListRestart = is_topology_list_restart_supported,
+            .primitiveTopologyPatchListRestart = is_patch_list_restart_supported,
+        };
+        SetNext(next, primitive_topology_list_restart);
+    } else {
+        LOG_INFO(Render_Vulkan, "Device doesn't support list topology primitive restart");
+    }
+
     VkPhysicalDeviceTransformFeedbackFeaturesEXT transform_feedback;
     if (ext_transform_feedback) {
         transform_feedback = {
@@ -891,6 +904,7 @@ std::vector<const char*> Device::LoadExtensions(bool requires_surface) {
     bool has_ext_provoking_vertex{};
     bool has_ext_vertex_input_dynamic_state{};
     bool has_ext_line_rasterization{};
+    bool has_ext_primitive_topology_list_restart{};
     for (const std::string& extension : supported_extensions) {
         const auto test = [&](std::optional<std::reference_wrapper<bool>> status, const char* name,
                               bool push) {
@@ -915,6 +929,8 @@ std::vector<const char*> Device::LoadExtensions(bool requires_surface) {
         test(has_khr_shader_float16_int8, VK_KHR_SHADER_FLOAT16_INT8_EXTENSION_NAME, false);
         test(ext_depth_range_unrestricted, VK_EXT_DEPTH_RANGE_UNRESTRICTED_EXTENSION_NAME, true);
         test(ext_index_type_uint8, VK_EXT_INDEX_TYPE_UINT8_EXTENSION_NAME, true);
+        test(has_ext_primitive_topology_list_restart,
+             VK_EXT_PRIMITIVE_TOPOLOGY_LIST_RESTART_EXTENSION_NAME, true);
         test(ext_sampler_filter_minmax, VK_EXT_SAMPLER_FILTER_MINMAX_EXTENSION_NAME, true);
         test(ext_shader_viewport_index_layer, VK_EXT_SHADER_VIEWPORT_INDEX_LAYER_EXTENSION_NAME,
              true);
@@ -1128,6 +1144,18 @@ std::vector<const char*> Device::LoadExtensions(bool requires_surface) {
 
         max_push_descriptors = push_descriptor.maxPushDescriptors;
     }
+    if (has_ext_primitive_topology_list_restart) {
+        VkPhysicalDevicePrimitiveTopologyListRestartFeaturesEXT primitive_topology_list_restart{};
+        primitive_topology_list_restart.sType =
+            VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PRIMITIVE_TOPOLOGY_LIST_RESTART_FEATURES_EXT;
+        primitive_topology_list_restart.pNext = nullptr;
+        physical_properties.pNext = &primitive_topology_list_restart;
+        physical.GetProperties2KHR(physical_properties);
+        is_topology_list_restart_supported =
+            primitive_topology_list_restart.primitiveTopologyListRestart;
+        is_patch_list_restart_supported =
+            primitive_topology_list_restart.primitiveTopologyPatchListRestart;
+    }
     return extensions;
 }
 
diff --git a/src/video_core/vulkan_common/vulkan_device.h b/src/video_core/vulkan_common/vulkan_device.h
index 10653ac6b..ed7782d42 100644
--- a/src/video_core/vulkan_common/vulkan_device.h
+++ b/src/video_core/vulkan_common/vulkan_device.h
@@ -243,6 +243,11 @@ public:
         return ext_index_type_uint8;
     }
 
+    /// Returns true if the device supports VK_EXT_primitive_topology_list_restart.
+    bool IsExtPrimitiveTopologyListRestartSupported() const {
+        return ext_primitive_topology_list_restart;
+    }
+
     /// Returns true if the device supports VK_EXT_sampler_filter_minmax.
     bool IsExtSamplerFilterMinmaxSupported() const {
         return ext_sampler_filter_minmax;
@@ -401,6 +406,9 @@ private:
     bool is_shader_int16_supported{};           ///< Support for int16.
     bool is_shader_storage_image_multisample{}; ///< Support for image operations on MSAA images.
     bool is_blit_depth_stencil_supported{};     ///< Support for blitting from and to depth stencil.
+    bool is_topology_list_restart_supported{};  ///< Support for primitive restart with list
+                                                ///< topologies.
+    bool is_patch_list_restart_supported{};     ///< Support for primitive restart with list patch.
     bool nv_viewport_swizzle{};                 ///< Support for VK_NV_viewport_swizzle.
     bool nv_viewport_array2{};                  ///< Support for VK_NV_viewport_array2.
     bool nv_geometry_shader_passthrough{};      ///< Support for VK_NV_geometry_shader_passthrough.
@@ -411,6 +419,8 @@ private:
     bool khr_pipeline_executable_properties{};   ///< Support for executable properties.
     bool khr_swapchain_mutable_format{};         ///< Support for VK_KHR_swapchain_mutable_format.
     bool ext_index_type_uint8{};                 ///< Support for VK_EXT_index_type_uint8.
+    bool ext_primitive_topology_list_restart{};  ///< Support for
+                                                 ///< VK_EXT_primitive_topology_list_restart.
     bool ext_sampler_filter_minmax{};            ///< Support for VK_EXT_sampler_filter_minmax.
     bool ext_depth_range_unrestricted{};         ///< Support for VK_EXT_depth_range_unrestricted.
     bool ext_shader_viewport_index_layer{}; ///< Support for VK_EXT_shader_viewport_index_layer.