2 files changed, 7 insertions, 0 deletions

diff --git a/src/video_core/vulkan_common/vulkan_device.cpp b/src/video_core/vulkan_common/vulkan_device.cpp
index f0e5b098c..009b74f12 100644
--- a/src/video_core/vulkan_common/vulkan_device.cpp
+++ b/src/video_core/vulkan_common/vulkan_device.cpp
@@ -737,6 +737,7 @@ std::vector<const char*> Device::LoadExtensions(bool requires_surface) {
             subgroup_properties.maxSubgroupSize >= GuestWarpSize) {
             extensions.push_back(VK_EXT_SUBGROUP_SIZE_CONTROL_EXTENSION_NAME);
             guest_warp_stages = subgroup_properties.requiredSubgroupSizeStages;
+            ext_subgroup_size_control = true;
         }
     } else {
         is_warp_potentially_bigger = true;
diff --git a/src/video_core/vulkan_common/vulkan_device.h b/src/video_core/vulkan_common/vulkan_device.h
index 82bccc8f0..c268a4f8d 100644
--- a/src/video_core/vulkan_common/vulkan_device.h
+++ b/src/video_core/vulkan_common/vulkan_device.h
@@ -193,6 +193,11 @@ public:
         return ext_shader_viewport_index_layer;
     }
 
+    /// Returns true if the device supports VK_EXT_subgroup_size_control.
+    bool IsExtSubgroupSizeControlSupported() const {
+        return ext_subgroup_size_control;
+    }
+
     /// Returns true if the device supports VK_EXT_transform_feedback.
     bool IsExtTransformFeedbackSupported() const {
         return ext_transform_feedback;
@@ -297,6 +302,7 @@ private:
     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.
     bool ext_tooling_info{};                    ///< Support for VK_EXT_tooling_info.
+    bool ext_subgroup_size_control{};           ///< Support for VK_EXT_subgroup_size_control.
     bool ext_transform_feedback{};              ///< Support for VK_EXT_transform_feedback.
     bool ext_custom_border_color{};             ///< Support for VK_EXT_custom_border_color.
     bool ext_extended_dynamic_state{};          ///< Support for VK_EXT_extended_dynamic_state.