Add Chromium-only Blender WebEngine parity work

blender-5.2.0/intern/cycles/device/dummy/device.cpp

@@ -0,0 +1,54 @@
+/* SPDX-FileCopyrightText: 2011-2022 Blender Foundation
+ *
+ * SPDX-License-Identifier: Apache-2.0 */
+
+#include "device/dummy/device.h"
+#include "device/device.h"
+#include "device/queue.h"
+
+CCL_NAMESPACE_BEGIN
+
+/* Dummy device for when creating an appropriate rendering device fails. */
+
+class DummyDevice : public Device {
+ public:
+  DummyDevice(const DeviceInfo &info_, Stats &stats_, Profiler &profiler_, bool headless_)
+      : Device(info_, stats_, profiler_, headless_)
+  {
+    error_msg = info.error_msg;
+  }
+
+  ~DummyDevice() override = default;
+
+  BVHLayoutMask get_bvh_layout_mask(uint /*kernel_features*/) const override
+  {
+    return 0;
+  }
+
+  void mem_alloc(device_memory & /*mem*/) override {}
+
+  void mem_copy_to(device_memory & /*mem*/) override {}
+
+  void mem_move_to_host(device_memory & /*mem*/) override {}
+
+  void mem_copy_from(
+      device_memory & /*mem*/, size_t /*y*/, size_t /*w*/, size_t /*h*/, size_t /*elem*/) override
+  {
+  }
+
+  void mem_zero(device_memory & /*mem*/) override {}
+
+  void mem_free(device_memory & /*mem*/) override {}
+
+  void const_copy_to(const char * /*name*/, void * /*host*/, size_t /*size*/) override {}
+};
+
+unique_ptr<Device> device_dummy_create(const DeviceInfo &info,
+                                       Stats &stats,
+                                       Profiler &profiler,
+                                       bool headless)
+{
+  return make_unique<DummyDevice>(info, stats, profiler, headless);
+}
+
+CCL_NAMESPACE_END