[vk] handles unreachable unknown format 255 error

src/core/arm/nce/arm_nce.cpp

@@ -369,8 +369,8 @@ void ArmNce::SetContext(const Kernel::Svc::ThreadContext& ctx) {
 }
 
 void ArmNce::SignalInterrupt(Kernel::KThread* thread) {
-    constexpr u64 break_loop = static_cast<u64>(HaltReason::BreakLoop);
-    if ((m_guest_ctx.esr_el1.fetch_or(break_loop) & break_loop) != 0) return;
+    // Add break loop condition.
+    m_guest_ctx.esr_el1.fetch_or(static_cast<u64>(HaltReason::BreakLoop));
 
     auto* params = &thread->GetNativeExecutionParameters();
     LockThreadParameters(params);

src/video_core/renderer_vulkan/vk_buffer_cache.h

@@ -219,9 +219,13 @@ public:
 
     void BindTextureBuffer(Buffer& buffer, u32 offset, u32 size,
                            VideoCore::Surface::PixelFormat format) {
-        guest_descriptor_queue.AddTexelBuffer(buffer.View(offset, size, format),
-                                              buffer.DeviceAddress(), offset, size,
-                                              TexelBufferFormat(format));
+        if (guest_descriptor_queue.UsesDescriptorBuffer()) {
+            const VkDeviceAddress address = buffer.DeviceAddress();
+            const VkFormat vk_format = address == 0 ? VK_FORMAT_UNDEFINED : TexelBufferFormat(format);
+            guest_descriptor_queue.AddTexelBuffer(VK_NULL_HANDLE, address, offset, size, vk_format);
+        } else {
+            guest_descriptor_queue.AddTexelBuffer(buffer.View(offset, size, format));
+        }
     }
 
     bool ShouldLimitDynamicStorageBuffers() const {