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intern/cycles/render/constant_fold.h
- This file was added.
| /* | |||||
| * Copyright 2011-2013 Blender Foundation | |||||
| * | |||||
dingto: Picky, should be 2011-2016 as it's new code. | |||||
| * Licensed under the Apache License, Version 2.0 (the "License"); | |||||
| * you may not use this file except in compliance with the License. | |||||
| * You may obtain a copy of the License at | |||||
| * | |||||
| * http://www.apache.org/licenses/LICENSE-2.0 | |||||
| * | |||||
| * Unless required by applicable law or agreed to in writing, software | |||||
| * distributed under the License is distributed on an "AS IS" BASIS, | |||||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |||||
| * See the License for the specific language governing permissions and | |||||
| * limitations under the License. | |||||
| */ | |||||
| #ifndef __CONSTANT_FOLD_H__ | |||||
| #define __CONSTANT_FOLD_H__ | |||||
| #include "util_types.h" | |||||
| CCL_NAMESPACE_BEGIN | |||||
| class ShaderGraph; | |||||
| class ShaderInput; | |||||
| class ShaderNode; | |||||
| class ShaderOutput; | |||||
Not Done Inline ActionsIn other areas we put const in the front. sergey: In other areas we put const in the front. | |||||
Not Done Inline ActionsIt's just weirdness of the C/C++ syntax:
angavrilov: It's just weirdness of the C/C++ syntax:
* `const Foo *bar` is a mutable field bar that… | |||||
Not Done Inline ActionsOh, well. Guess we'll just live with that and accept C++ weirdeness. Not as if we've got options here. sergey: Oh, well. Guess we'll just live with that and accept C++ weirdeness. Not as if we've got… | |||||
| class ConstantFolder { | |||||
| public: | |||||
| ShaderGraph *const graph; | |||||
| ShaderNode *const node; | |||||
| ShaderOutput *const output; | |||||
| ConstantFolder(ShaderGraph *graph, ShaderNode *node, ShaderOutput *output); | |||||
| bool all_inputs_constant() const; | |||||
| /* Constant folding helpers, always return true for convenience. */ | |||||
| void make_constant(float value) const; | |||||
| void make_constant(float3 value) const; | |||||
| void make_constant_clamp(float value, bool clamp) const; | |||||
| void make_constant_clamp(float3 value, bool clamp) const; | |||||
| /* Bypass node, relinking to another output socket. */ | |||||
| void bypass(ShaderOutput *output) const; | |||||
| /* For closure nodes, discard node entirely or bypass to one of its inputs. */ | |||||
| void discard() const; | |||||
| void bypass_or_discard(ShaderInput *input) const; | |||||
| /* Bypass or make constant, unless we can't due to clamp being true. */ | |||||
| bool try_bypass_or_make_constant(ShaderInput *input, float3 input_value, bool clamp) const; | |||||
| }; | |||||
| CCL_NAMESPACE_END | |||||
| #endif /* __CONSTANT_FOLD_H__ */ | |||||
Picky, should be 2011-2016 as it's new code.