1 files changed, 36 insertions, 0 deletions
diff --git a/source/blender/compositor/operations/COM_ConstantOperation.h b/source/blender/compositor/operations/COM_ConstantOperation.h
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+++ b/source/blender/compositor/operations/COM_ConstantOperation.h
@@ -0,0 +1,36 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * Copyright 2021, Blender Foundation.
+ */
+
+#pragma once
+
+#include "COM_NodeOperation.h"
+
+namespace blender::compositor {
+
+/**
+ * Base class for primitive constant operations (Color/Vector/Value). The rest of operations that
+ * can be constant are evaluated into primitives during constant folding.
+ */
+class ConstantOperation : public NodeOperation {
+ public:
+  ConstantOperation();
+
+  virtual const float *get_constant_elem() = 0;
+};
+
+}  // namespace blender::compositor