4cfae88f09
Fixes #122739. I added all five missing conversions that the convert node can do in the svm code to the constant folding. Pull Request: https://projects.blender.org/blender/blender/pulls/123035
66 lines
1.9 KiB
C++
66 lines
1.9 KiB
C++
/* SPDX-FileCopyrightText: 2011-2022 Blender Foundation
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*
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* SPDX-License-Identifier: Apache-2.0 */
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#ifndef __CONSTANT_FOLD_H__
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#define __CONSTANT_FOLD_H__
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#include "kernel/svm/types.h"
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#include "util/types.h"
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CCL_NAMESPACE_BEGIN
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class Scene;
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class ShaderGraph;
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class ShaderInput;
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class ShaderNode;
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class ShaderOutput;
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class ConstantFolder {
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public:
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ShaderGraph *const graph;
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ShaderNode *const node;
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ShaderOutput *const output;
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Scene *scene;
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ConstantFolder(ShaderGraph *graph, ShaderNode *node, ShaderOutput *output, Scene *scene);
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bool all_inputs_constant() const;
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/* Constant folding helpers */
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void make_constant(float value) const;
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void make_constant(float3 value) const;
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void make_constant(int value) const;
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void make_constant_clamp(float value, bool clamp) const;
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void make_constant_clamp(float3 value, bool clamp) const;
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void make_zero() const;
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void make_one() const;
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/* Bypass node, relinking to another output socket. */
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void bypass(ShaderOutput *output) const;
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/* For closure nodes, discard node entirely or bypass to one of its inputs. */
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void discard() const;
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void bypass_or_discard(ShaderInput *input) const;
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/* Bypass or make constant, unless we can't due to clamp being true. */
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bool try_bypass_or_make_constant(ShaderInput *input, bool clamp = false) const;
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/* Test if shader inputs of the current nodes have fixed values. */
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bool is_zero(ShaderInput *input) const;
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bool is_one(ShaderInput *input) const;
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/* Specific nodes. */
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void fold_mix(NodeMix type, bool clamp) const;
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void fold_mix_color(NodeMix type, bool clamp_factor, bool clamp) const;
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void fold_mix_float(bool clamp_factor, bool clamp) const;
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void fold_math(NodeMathType type) const;
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void fold_vector_math(NodeVectorMathType type) const;
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void fold_mapping(NodeMappingType type) const;
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};
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CCL_NAMESPACE_END
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#endif /* __CONSTANT_FOLD_H__ */
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