diff --git a/libs/vkd3d/command.c b/libs/vkd3d/command.c
index 5124518b..11bf6009 100644
--- a/libs/vkd3d/command.c
+++ b/libs/vkd3d/command.c
@@ -1205,7 +1205,7 @@ static void d3d12_command_list_transition_resource_to_initial_state(struct d3d12
     const struct vkd3d_format *format;
     VkImageMemoryBarrier barrier;
 
-    assert(!d3d12_resource_is_buffer(resource));
+    assert(d3d12_resource_is_texture(resource));
 
     if (!(format = vkd3d_format_from_d3d12_resource_desc(&resource->desc, 0)))
     {
@@ -1864,7 +1864,7 @@ static void STDMETHODCALLTYPE d3d12_command_list_CopyTextureRegion(ID3D12Graphic
             && dst->Type == D3D12_TEXTURE_COPY_TYPE_PLACED_FOOTPRINT)
     {
         assert(d3d12_resource_is_buffer(dst_resource));
-        assert(!d3d12_resource_is_buffer(src_resource));
+        assert(d3d12_resource_is_texture(src_resource));
 
         if (!(dst_format = vkd3d_format_from_d3d12_resource_desc(&src_resource->desc,
                 dst->u.PlacedFootprint.Footprint.Format)))
@@ -1886,7 +1886,7 @@ static void STDMETHODCALLTYPE d3d12_command_list_CopyTextureRegion(ID3D12Graphic
     else if (src->Type == D3D12_TEXTURE_COPY_TYPE_PLACED_FOOTPRINT
             && dst->Type == D3D12_TEXTURE_COPY_TYPE_SUBRESOURCE_INDEX)
     {
-        assert(!d3d12_resource_is_buffer(dst_resource));
+        assert(d3d12_resource_is_texture(dst_resource));
         assert(d3d12_resource_is_buffer(src_resource));
 
         if (!(src_format = vkd3d_format_from_d3d12_resource_desc(&dst_resource->desc,
@@ -1909,8 +1909,8 @@ static void STDMETHODCALLTYPE d3d12_command_list_CopyTextureRegion(ID3D12Graphic
     else if (src->Type == D3D12_TEXTURE_COPY_TYPE_SUBRESOURCE_INDEX
             && dst->Type == D3D12_TEXTURE_COPY_TYPE_SUBRESOURCE_INDEX)
     {
-        assert(!d3d12_resource_is_buffer(dst_resource));
-        assert(!d3d12_resource_is_buffer(src_resource));
+        assert(d3d12_resource_is_texture(dst_resource));
+        assert(d3d12_resource_is_texture(src_resource));
 
         if (!(dst_format = vkd3d_format_from_d3d12_resource_desc(&dst_resource->desc, DXGI_FORMAT_UNKNOWN)))
         {
diff --git a/libs/vkd3d/resource.c b/libs/vkd3d/resource.c
index 71493d65..8e07f5e4 100644
--- a/libs/vkd3d/resource.c
+++ b/libs/vkd3d/resource.c
@@ -461,7 +461,7 @@ static HRESULT STDMETHODCALLTYPE d3d12_resource_Map(ID3D12Resource *iface, UINT
         return E_INVALIDARG;
     }
 
-    if (!d3d12_resource_is_buffer(resource))
+    if (d3d12_resource_is_texture(resource))
     {
         /* Textures seem to be mappable only on UMA adapters. */
         FIXME("Not implemented for textures.\n");
@@ -505,7 +505,7 @@ static void STDMETHODCALLTYPE d3d12_resource_Unmap(ID3D12Resource *iface, UINT s
     device = resource->device;
     vk_procs = &device->vk_procs;
 
-    if (!d3d12_resource_is_buffer(resource))
+    if (d3d12_resource_is_texture(resource))
     {
         FIXME("Not implemented for textures.\n");
         return;
@@ -628,8 +628,9 @@ static HRESULT d3d12_committed_resource_init(struct d3d12_resource *resource, st
 
     resource->desc = *desc;
 
-    if (!d3d12_resource_is_buffer(resource)
-            && (heap_properties->Type == D3D12_HEAP_TYPE_UPLOAD || heap_properties->Type == D3D12_HEAP_TYPE_READBACK))
+    if (d3d12_resource_is_texture(resource)
+            && (heap_properties->Type == D3D12_HEAP_TYPE_UPLOAD
+            || heap_properties->Type == D3D12_HEAP_TYPE_READBACK))
     {
         WARN("Texture cannot be created on a UPLOAD/READBACK heap.\n");
         return E_INVALIDARG;
diff --git a/libs/vkd3d/vkd3d_private.h b/libs/vkd3d/vkd3d_private.h
index 010d9f12..0b73d633 100644
--- a/libs/vkd3d/vkd3d_private.h
+++ b/libs/vkd3d/vkd3d_private.h
@@ -176,6 +176,11 @@ static inline bool d3d12_resource_is_buffer(const struct d3d12_resource *resourc
     return resource->desc.Dimension == D3D12_RESOURCE_DIMENSION_BUFFER;
 }
 
+static inline bool d3d12_resource_is_texture(const struct d3d12_resource *resource)
+{
+    return resource->desc.Dimension != D3D12_RESOURCE_DIMENSION_BUFFER;
+}
+
 HRESULT d3d12_committed_resource_create(struct d3d12_device *device,
         const D3D12_HEAP_PROPERTIES *heap_properties, D3D12_HEAP_FLAGS heap_flags,
         const D3D12_RESOURCE_DESC *desc, D3D12_RESOURCE_STATES initial_state,