[vulkan] Query custom border color properties based on device report

src/video_core/vulkan_common/vulkan_device.cpp

@@ -1062,6 +1062,20 @@ bool Device::GetSuitability(bool requires_swapchain) {
     // Unload extensions if feature support is insufficient.
     RemoveUnsuitableExtensions();
 
+    // Query VK_EXT_custom_border_color properties if the extension is enabled.
+    if (extensions.custom_border_color) {
+        const auto fp = reinterpret_cast<PFN_vkGetPhysicalDeviceCustomBorderColorPropertiesEXT>(
+            dld.vkGetInstanceProcAddr(instance, "vkGetPhysicalDeviceCustomBorderColorPropertiesEXT"));
+        if (fp != nullptr) {
+            custom_border_color_properties.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_CUSTOM_BORDER_COLOR_PROPERTIES_EXT;
+            custom_border_color_properties.pNext = nullptr;
+            fp(physical, &custom_border_color_properties);
+            has_custom_border_color_properties = true;
+        } else {
+            has_custom_border_color_properties = false;
+        }
+    }
+
     // Check limits.
     struct Limit {
         u32 minimum;

src/video_core/vulkan_common/vulkan_device.h

@@ -601,6 +601,16 @@ public:
         return features.custom_border_color.customBorderColorWithoutFormat;
     }
 
+    /// Returns true if physical device custom border color properties were queried.
+    bool HasCustomBorderColorProperties() const {
+        return has_custom_border_color_properties;
+    }
+
+    /// Returns the queried VkPhysicalDeviceCustomBorderColorPropertiesEXT.
+    const VkPhysicalDeviceCustomBorderColorPropertiesEXT& GetCustomBorderColorProperties() const {
+        return custom_border_color_properties;
+    }
+
     /// Returns true if the device supports VK_EXT_extended_dynamic_state.
     bool IsExtExtendedDynamicStateSupported() const {
         return extensions.extended_dynamic_state;
@@ -625,6 +635,10 @@ public:
         return extensions.filter_cubic;
     }
 
+    /// Custom border color properties retrieved from the physical device (if available).
+    VkPhysicalDeviceCustomBorderColorPropertiesEXT custom_border_color_properties{};
+    bool has_custom_border_color_properties = false;
+
     /// Returns true if the device supports VK_QCOM_filter_cubic_weights.
     bool IsQcomFilterCubicWeightsSupported() const {
         return extensions.filter_cubic_weights;