[vulkan] Adjusted checks for 8 - 16bits UBO's iteration

src/video_core/renderer_vulkan/vk_pipeline_cache.cpp

@@ -386,6 +386,8 @@ PipelineCache::PipelineCache(Tegra::MaxwellDeviceMemoryManager& device_memory_,
         .support_uniform_and_storage_buffer_8bit =
             device.IsUniformAndStorageBuffer8BitAccessSupported(),
         .support_int16 = device.IsShaderInt16Supported(),
+        .support_uniform_and_storage_buffer_16bit =
+            device.IsUniformAndStorageBuffer16BitAccessSupported(),
         .support_int64 = device.IsShaderInt64Supported(),
         .support_vertex_instance_id = false,
         .support_float_controls = device.IsKhrShaderFloatControlsSupported(),

src/video_core/vulkan_common/vulkan_device.h

@@ -387,11 +387,16 @@ FN_MAX_LIMIT_LIST
         return features.shader_float16_int8.shaderInt8;
     }
 
-    /// Returns true if the device allows 8-bit integer members
+    /// Returns true if the device allows 8-bit integer members in uniform/storage buffers.
     bool IsUniformAndStorageBuffer8BitAccessSupported() const {
         return features.bit8_storage.uniformAndStorageBuffer8BitAccess;
     }
 
+    /// Returns true if the device allows 16-bit integer members in uniform/storage buffers.
+    bool IsUniformAndStorageBuffer16BitAccessSupported() const {
+        return features.bit16_storage.uniformAndStorageBuffer16BitAccess;
+    }
+
     /// Returns true if the device supports binding multisample images as storage images.
     bool IsStorageImageMultisampleSupported() const {
         return features.features.shaderStorageImageMultisample;