1 files changed, 83 insertions, 0 deletions
diff --git a/intern/cycles/device/device_dummy.cpp b/intern/cycles/device/device_dummy.cpp
new file mode 100644
index 00000000000..5112fc152e5
--- /dev/null
+++ b/intern/cycles/device/device_dummy.cpp
@@ -0,0 +1,83 @@
+/*
+ * Copyright 2011-2020 Blender Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "device/device.h"
+#include "device/device_intern.h"
+
+CCL_NAMESPACE_BEGIN
+
+/* Dummy device for when creating an appropriate rendering device fails. */
+
+class DummyDevice : public Device {
+ public:
+  DummyDevice(DeviceInfo &info_, Stats &stats_, Profiler &profiler_, bool background_)
+      : Device(info_, stats_, profiler_, background_)
+  {
+    error_msg = info.error_msg;
+  }
+
+  ~DummyDevice()
+  {
+  }
+
+  virtual BVHLayoutMask get_bvh_layout_mask() const override
+  {
+    return 0;
+  }
+
+  virtual void mem_alloc(device_memory &) override
+  {
+  }
+
+  virtual void mem_copy_to(device_memory &) override
+  {
+  }
+
+  virtual void mem_copy_from(device_memory &, int, int, int, int) override
+  {
+  }
+
+  virtual void mem_zero(device_memory &) override
+  {
+  }
+
+  virtual void mem_free(device_memory &) override
+  {
+  }
+
+  virtual void const_copy_to(const char *, void *, size_t) override
+  {
+  }
+
+  virtual void task_add(DeviceTask &) override
+  {
+  }
+
+  virtual void task_wait() override
+  {
+  }
+
+  virtual void task_cancel() override
+  {
+  }
+};
+
+Device *device_dummy_create(DeviceInfo &info, Stats &stats, Profiler &profiler, bool background)
+{
+  return new DummyDevice(info, stats, profiler, background);
+}
+
+CCL_NAMESPACE_END