nvk: Add a stub implementation of VkBuffer

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

src/nouveau/vulkan/nvk_buffer.c

@@ -0,0 +1,33 @@
+#include "nvk_buffer.h"
+
+#include "nvk_device.h"
+
+VKAPI_ATTR VkResult VKAPI_CALL nvk_CreateBuffer(VkDevice _device,
+   const VkBufferCreateInfo *pCreateInfo,
+   const VkAllocationCallbacks *pAllocator,
+   VkBuffer *pBuffer)
+{
+   VK_FROM_HANDLE(nvk_device, device, _device);
+   struct nvk_buffer *buffer;
+
+   buffer = vk_buffer_create(&device->vk, pCreateInfo, pAllocator, sizeof(*buffer));
+   if (!buffer)
+      return vk_error(device, VK_ERROR_OUT_OF_HOST_MEMORY);
+
+   *pBuffer = nvk_buffer_to_handle(buffer);
+
+   return VK_SUCCESS;
+}
+
+VKAPI_ATTR void VKAPI_CALL nvk_DestroyBuffer(VkDevice _device,
+   VkBuffer _buffer,
+   const VkAllocationCallbacks *pAllocator)
+{
+   VK_FROM_HANDLE(nvk_device, device, _device);
+   VK_FROM_HANDLE(nvk_buffer, buffer, _buffer);
+
+   if (!buffer)
+      return;
+
+   vk_buffer_destroy(&device->vk, pAllocator, &buffer->vk);
+}