vulkan_device: Enable float64 and int64 conditionally

Add Intel Xe support.

src/video_core/vulkan_common/vulkan_device.cpp

@@ -251,8 +251,8 @@ Device::Device(VkInstance instance_, vk::PhysicalDevice physical_, VkSurfaceKHR
             .shaderStorageImageArrayDynamicIndexing = false,
             .shaderClipDistance = true,
             .shaderCullDistance = true,
-            .shaderFloat64 = true,
-            .shaderInt64 = true,
+            .shaderFloat64 = is_shader_float64_supported,
+            .shaderInt64 = is_shader_int64_supported,
             .shaderInt16 = true,
             .shaderResourceResidency = false,
             .shaderResourceMinLod = false,
@@ -909,6 +909,8 @@ void Device::SetupFamilies(VkSurfaceKHR surface) {
 void Device::SetupFeatures() {
     const VkPhysicalDeviceFeatures features{physical.GetFeatures()};
     is_formatless_image_load_supported = features.shaderStorageImageReadWithoutFormat;
+    is_shader_float64_supported = features.shaderFloat64;
+    is_shader_int64_supported = features.shaderInt64;
     is_shader_storage_image_multisample = features.shaderStorageImageMultisample;
     is_blit_depth_stencil_supported = TestDepthStencilBlits();
     is_optimal_astc_supported = IsOptimalAstcSupported(features);

src/video_core/vulkan_common/vulkan_device.h

@@ -314,6 +314,8 @@ private:
     bool is_float16_supported{};                ///< Support for float16 arithmetics.
     bool is_warp_potentially_bigger{};          ///< Host warp size can be bigger than guest.
     bool is_formatless_image_load_supported{};  ///< Support for shader image read without format.
+    bool is_shader_float64_supported{};         ///< Support for float64.
+    bool is_shader_int64_supported{};           ///< Support for int64.
     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 nv_viewport_swizzle{};                 ///< Support for VK_NV_viewport_swizzle.