1 files changed, 71 insertions, 0 deletions
diff --git a/intern/cycles/hydra/plugin.cpp b/intern/cycles/hydra/plugin.cpp
new file mode 100644
index 00000000000..8caca3068df
--- /dev/null
+++ b/intern/cycles/hydra/plugin.cpp
@@ -0,0 +1,71 @@
+/* SPDX-License-Identifier: Apache-2.0
+ * Copyright 2022 NVIDIA Corporation
+ * Copyright 2022 Blender Foundation */
+
+#include "hydra/plugin.h"
+#include "hydra/render_delegate.h"
+#include "util/log.h"
+#include "util/path.h"
+
+#include <pxr/base/arch/filesystem.h>
+#include <pxr/base/plug/plugin.h>
+#include <pxr/base/plug/thisPlugin.h>
+#include <pxr/base/tf/envSetting.h>
+#include <pxr/imaging/hd/rendererPluginRegistry.h>
+
+PXR_NAMESPACE_OPEN_SCOPE
+
+#ifdef WITH_CYCLES_LOGGING
+TF_DEFINE_ENV_SETTING(CYCLES_LOGGING, false, "Enable Cycles logging")
+TF_DEFINE_ENV_SETTING(CYCLES_LOGGING_SEVERITY, 1, "Cycles logging verbosity")
+#endif
+
+HdCyclesPlugin::HdCyclesPlugin()
+{
+  const PlugPluginPtr plugin = PLUG_THIS_PLUGIN;
+  // Initialize Cycles paths relative to the plugin resource path
+  std::string rootPath = PXR_NS::ArchAbsPath(plugin->GetResourcePath());
+  CCL_NS::path_init(std::move(rootPath));
+
+#ifdef WITH_CYCLES_LOGGING
+  if (TfGetEnvSetting(CYCLES_LOGGING)) {
+    CCL_NS::util_logging_start();
+    CCL_NS::util_logging_verbosity_set(TfGetEnvSetting(CYCLES_LOGGING_SEVERITY));
+  }
+#endif
+}
+
+HdCyclesPlugin::~HdCyclesPlugin()
+{
+}
+
+bool HdCyclesPlugin::IsSupported() const
+{
+  return true;
+}
+
+HdRenderDelegate *HdCyclesPlugin::CreateRenderDelegate()
+{
+  return CreateRenderDelegate({});
+}
+
+HdRenderDelegate *HdCyclesPlugin::CreateRenderDelegate(const HdRenderSettingsMap &settingsMap)
+{
+  return new HD_CYCLES_NS::HdCyclesDelegate(settingsMap);
+}
+
+void HdCyclesPlugin::DeleteRenderDelegate(HdRenderDelegate *renderDelegate)
+{
+  delete renderDelegate;
+}
+
+// USD's type system accounts for namespace, so we'd have to register our name as
+// HdCycles::HdCyclesPlugin in plugInfo.json, which isn't all that bad for JSON,
+// but those colons may cause issues for any USD specific tooling. So just put our
+// plugin class in the pxr namespace (which USD's type system will elide).
+TF_REGISTRY_FUNCTION(TfType)
+{
+  HdRendererPluginRegistry::Define<PXR_NS::HdCyclesPlugin>();
+}
+
+PXR_NAMESPACE_CLOSE_SCOPE