From 6db5cad29c8044413c9cb96b7b5bf60bb202775b Mon Sep 17 00:00:00 2001
From: xbzk <xbzk@eden-emu.dev>
Date: Tue, 13 Oct 2026 22:11:51 -0300
Subject: [PATCH] [vk] handles unreachable unknown format 255 error

---
 src/video_core/renderer_vulkan/vk_buffer_cache.h | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/video_core/renderer_vulkan/vk_buffer_cache.h b/src/video_core/renderer_vulkan/vk_buffer_cache.h
index fff1f8164d..b8840c1689 100644
--- a/src/video_core/renderer_vulkan/vk_buffer_cache.h
+++ b/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 {