nvk: implement buffer address.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24326>

src/nouveau/vulkan/nvk_buffer.h

@@ -2,7 +2,9 @@
 #define NVK_BUFFER_H 1
 
 #include "nvk_private.h"
+#include "nvk_device_memory.h"
 
+#include "nouveau_bo.h"
 #include "vulkan/runtime/vk_buffer.h"
 
 struct nvk_device_memory;
@@ -18,7 +20,7 @@ VK_DEFINE_HANDLE_CASTS(nvk_buffer, vk.base, VkBuffer, VK_OBJECT_TYPE_BUFFER)
 static inline uint64_t
 nvk_buffer_address(struct nvk_buffer *buffer)
 {
-   return 0; /* TODO */
+   return buffer->mem->bo->offset + buffer->offset;
 }
 
 #endif