7a395e2e7f
The last good commit wasf57e4c5b98. After this one more fix was committed, this one is preserved as well:67bd678887.
35 lines
1.1 KiB
C++
35 lines
1.1 KiB
C++
/* SPDX-FileCopyrightText: 2021 Blender Authors
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*
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* SPDX-License-Identifier: GPL-2.0-or-later */
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#pragma once
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#include "COM_NodeOperation.h"
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namespace blender::compositor {
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/* TODO(manzanilla): After removing tiled implementation, implement a default #determine_resolution
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* for all constant operations and make all initialization and deinitilization methods final. */
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/**
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* Base class for operations that are always constant. Operations that can be constant only when
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* all their inputs are so, are evaluated into primitive constants (Color/Vector/Value) during
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* constant folding.
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*/
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class ConstantOperation : public NodeOperation {
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protected:
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bool needs_canvas_to_get_constant_;
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public:
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ConstantOperation();
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/** May require resolution to be already determined. */
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virtual const float *get_constant_elem() = 0;
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bool can_get_constant_elem() const;
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void update_memory_buffer(MemoryBuffer *output,
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const rcti &area,
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Span<MemoryBuffer *> inputs) override;
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};
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} // namespace blender::compositor
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