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Differential D2089 Diff 7087 intern/cycles/render/graph.h

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intern/cycles/render/graph.h

/* /*
* Copyright 2011-2013 Blender Foundation * Copyright 2011-2016 Blender Foundation
* *
* Licensed under the Apache License, Version 2.0 (the "License"); * Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License. * you may not use this file except in compliance with the License.
* You may obtain a copy of the License at * You may obtain a copy of the License at
* *
* http://www.apache.org/licenses/LICENSE-2.0 * http://www.apache.org/licenses/LICENSE-2.0
* *
* Unless required by applicable law or agreed to in writing, software * Unless required by applicable law or agreed to in writing, software
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class Shader; class Shader;
class ShaderInput; class ShaderInput;
class ShaderOutput; class ShaderOutput;
class ShaderNode; class ShaderNode;
class ShaderGraph; class ShaderGraph;
class SVMCompiler; class SVMCompiler;
class OSLCompiler; class OSLCompiler;
class OutputNode; class OutputNode;
class ConstantFolder;
/* Bump /* Bump
* *
* For bump mapping, a node may be evaluated multiple times, using different * For bump mapping, a node may be evaluated multiple times, using different
* samples to reconstruct the normal, this indicates the sample position */ * samples to reconstruct the normal, this indicates the sample position */
enum ShaderBump { enum ShaderBump {
SHADER_BUMP_NONE, SHADER_BUMP_NONE,
▲ Show 20 Lines • Show All 83 Lines • ▼ Show 20 Linespublic:
virtual ShaderNode *clone() const = 0; virtual ShaderNode *clone() const = 0;
virtual void attributes(Shader *shader, AttributeRequestSet *attributes); virtual void attributes(Shader *shader, AttributeRequestSet *attributes);
virtual void compile(SVMCompiler& compiler) = 0; virtual void compile(SVMCompiler& compiler) = 0;
virtual void compile(OSLCompiler& compiler) = 0; virtual void compile(OSLCompiler& compiler) = 0;
/* ** Node optimization ** */ /* ** Node optimization ** */
/* Check whether the node can be replaced with single constant. */ /* Check whether the node can be replaced with single constant. */
virtual bool constant_fold(ShaderGraph * /*graph*/, ShaderOutput * /*socket*/, ShaderInput * /*optimized*/) { return false; } virtual void constant_fold(const ConstantFolder& /*folder*/) {}
bool all_inputs_constant() const;
/* Simplify settings used by artists to the ones which are simpler to /* Simplify settings used by artists to the ones which are simpler to
* evaluate in the kernel but keep the final result unchanged. * evaluate in the kernel but keep the final result unchanged.
*/ */
virtual void simplify_settings(Scene * /*scene*/) {}; virtual void simplify_settings(Scene * /*scene*/) {};
virtual bool has_surface_emission() { return false; } virtual bool has_surface_emission() { return false; }
virtual bool has_surface_transparent() { return false; } virtual bool has_surface_transparent() { return false; }
▲ Show 20 Lines • Show All 92 Lines • ▼ Show 20 Linespublic:
~ShaderGraph(); ~ShaderGraph();
ShaderGraph *copy(); ShaderGraph *copy();
ShaderNode *add(ShaderNode *node); ShaderNode *add(ShaderNode *node);
OutputNode *output(); OutputNode *output();
void connect(ShaderOutput *from, ShaderInput *to); void connect(ShaderOutput *from, ShaderInput *to);
void disconnect(ShaderOutput *from);
void disconnect(ShaderInput *to); void disconnect(ShaderInput *to);
void relink(ShaderNode *node, ShaderOutput *from, ShaderOutput *to); void relink(ShaderNode *node, ShaderOutput *from, ShaderOutput *to);
void remove_proxy_nodes(); void remove_proxy_nodes();
void finalize(Scene *scene, void finalize(Scene *scene,
bool do_bump = false, bool do_bump = false,
bool do_osl = false, bool do_osl = false,
bool do_simplify = false); bool do_simplify = false);
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