diff options
author | Brecht Van Lommel <brechtvanlommel@gmail.com> | 2016-05-07 20:47:37 +0300 |
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committer | Brecht Van Lommel <brechtvanlommel@gmail.com> | 2016-05-22 18:29:24 +0300 |
commit | ec51175f1fd6c91d53b0d24daccfd5cc9bddf59d (patch) | |
tree | 1ad5b06b2318998cc4f03d78a8e7b1ce38e7cbf3 /intern/cycles/graph/node.cpp | |
parent | 841d008b98de5d0fa106ff3fa4731be63fc29f9a (diff) |
Code refactor: add generic Cycles node infrastructure.
Differential Revision: https://developer.blender.org/D2016
Diffstat (limited to 'intern/cycles/graph/node.cpp')
-rw-r--r-- | intern/cycles/graph/node.cpp | 354 |
1 files changed, 354 insertions, 0 deletions
diff --git a/intern/cycles/graph/node.cpp b/intern/cycles/graph/node.cpp new file mode 100644 index 00000000000..d9a6bde4fcd --- /dev/null +++ b/intern/cycles/graph/node.cpp @@ -0,0 +1,354 @@ +/* + * Copyright 2011-2016 Blender Foundation + * + * 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. + */ + +#include "node.h" +#include "node_type.h" + +#include "util_foreach.h" +#include "util_param.h" +#include "util_transform.h" + +CCL_NAMESPACE_BEGIN + +/* Node Type */ + +Node::Node(const NodeType *type_, ustring name_) +: name(name_), type(type_) +{ + assert(type); + + /* assign non-empty name, convenient for debugging */ + if(name.empty()) { + name = type->name; + } + + /* initialize default values */ + typedef unordered_map<ustring, SocketType, ustringHash> map_type; + foreach(const map_type::value_type& it, type->inputs) { + const SocketType& socket = it.second; + const void *src = socket.default_value; + void *dst = ((char*)this) + socket.struct_offset; + memcpy(dst, src, socket.size()); + } +} + +Node::~Node() +{ +} + +template<typename T> +static T& get_socket_value(const Node *node, const SocketType& socket) +{ + return (T&)*(((char*)node) + socket.struct_offset); +} + +static bool is_socket_float3(const SocketType& socket) +{ + return socket.type == SocketType::COLOR || + socket.type == SocketType::POINT || + socket.type == SocketType::VECTOR || + socket.type == SocketType::NORMAL; +} + +static bool is_socket_array_float3(const SocketType& socket) +{ + return socket.type == SocketType::COLOR_ARRAY || + socket.type == SocketType::POINT_ARRAY || + socket.type == SocketType::VECTOR_ARRAY || + socket.type == SocketType::NORMAL_ARRAY; +} + +/* set values */ +void Node::set(const SocketType& input, bool value) +{ + assert(input.type == SocketType::BOOLEAN); + get_socket_value<bool>(this, input) = value; +} + +void Node::set(const SocketType& input, int value) +{ + assert((input.type == SocketType::INT || input.type == SocketType::ENUM)); + get_socket_value<int>(this, input) = value; +} + +void Node::set(const SocketType& input, float value) +{ + assert(input.type == SocketType::FLOAT); + get_socket_value<float>(this, input) = value; +} + +void Node::set(const SocketType& input, float2 value) +{ + assert(input.type == SocketType::FLOAT); + get_socket_value<float2>(this, input) = value; +} + +void Node::set(const SocketType& input, float3 value) +{ + assert(is_socket_float3(input)); + get_socket_value<float3>(this, input) = value; +} + +void Node::set(const SocketType& input, ustring value) +{ + if(input.type == SocketType::STRING) { + get_socket_value<ustring>(this, input) = value; + } + else if(input.type == SocketType::ENUM) { + const NodeEnum& enm = *input.enum_values; + if(enm.exists(value)) { + get_socket_value<int>(this, input) = enm[value]; + } + else { + assert(0); + } + } + else { + assert(0); + } +} + +void Node::set(const SocketType& input, const Transform& value) +{ + assert(input.type == SocketType::TRANSFORM); + get_socket_value<Transform>(this, input) = value; +} + +void Node::set(const SocketType& input, Node *value) +{ + assert(input.type == SocketType::TRANSFORM); + get_socket_value<Node*>(this, input) = value; +} + +/* set array values */ +void Node::set(const SocketType& input, array<bool>& value) +{ + assert(input.type == SocketType::BOOLEAN_ARRAY); + get_socket_value<array<bool> >(this, input).steal_data(value); +} + +void Node::set(const SocketType& input, array<int>& value) +{ + assert(input.type == SocketType::INT_ARRAY); + get_socket_value<array<int> >(this, input).steal_data(value); +} + +void Node::set(const SocketType& input, array<float>& value) +{ + assert(input.type == SocketType::FLOAT_ARRAY); + get_socket_value<array<float> >(this, input).steal_data(value); +} + +void Node::set(const SocketType& input, array<float2>& value) +{ + assert(input.type == SocketType::FLOAT_ARRAY); + get_socket_value<array<float2> >(this, input).steal_data(value); +} + +void Node::set(const SocketType& input, array<float3>& value) +{ + assert(is_socket_array_float3(input)); + get_socket_value<array<float3> >(this, input).steal_data(value); +} + +void Node::set(const SocketType& input, array<ustring>& value) +{ + assert(input.type == SocketType::STRING_ARRAY); + get_socket_value<array<ustring> >(this, input).steal_data(value); +} + +void Node::set(const SocketType& input, array<Transform>& value) +{ + assert(input.type == SocketType::TRANSFORM_ARRAY); + get_socket_value<array<Transform> >(this, input).steal_data(value); +} + +void Node::set(const SocketType& input, array<Node*>& value) +{ + assert(input.type == SocketType::TRANSFORM_ARRAY); + get_socket_value<array<Node*> >(this, input).steal_data(value); +} + +/* get values */ +bool Node::get_bool(const SocketType& input) const +{ + assert(input.type == SocketType::BOOLEAN); + return get_socket_value<bool>(this, input); +} + +int Node::get_int(const SocketType& input) const +{ + assert(input.type == SocketType::INT || input.type == SocketType::ENUM); + return get_socket_value<int>(this, input); +} + +float Node::get_float(const SocketType& input) const +{ + assert(input.type == SocketType::FLOAT); + return get_socket_value<float>(this, input); +} + +float2 Node::get_float2(const SocketType& input) const +{ + assert(input.type == SocketType::FLOAT); + return get_socket_value<float2>(this, input); +} + +float3 Node::get_float3(const SocketType& input) const +{ + assert(is_socket_float3(input)); + return get_socket_value<float3>(this, input); +} + +ustring Node::get_string(const SocketType& input) const +{ + if(input.type == SocketType::STRING) { + return get_socket_value<ustring>(this, input); + } + else if(input.type == SocketType::ENUM) { + const NodeEnum& enm = *input.enum_values; + int intvalue = get_socket_value<int>(this, input); + return (enm.exists(intvalue)) ? enm[intvalue] : ustring(); + } + else { + assert(0); + return ustring(); + } +} + +Transform Node::get_transform(const SocketType& input) const +{ + assert(input.type == SocketType::TRANSFORM); + return get_socket_value<Transform>(this, input); +} + +Node *Node::get_node(const SocketType& input) const +{ + assert(input.type == SocketType::NODE); + return get_socket_value<Node*>(this, input); +} + +/* get array values */ +const array<bool>& Node::get_bool_array(const SocketType& input) const +{ + assert(input.type == SocketType::BOOLEAN_ARRAY); + return get_socket_value<array<bool> >(this, input); +} + +const array<int>& Node::get_int_array(const SocketType& input) const +{ + assert(input.type == SocketType::INT_ARRAY); + return get_socket_value<array<int> >(this, input); +} + +const array<float>& Node::get_float_array(const SocketType& input) const +{ + assert(input.type == SocketType::FLOAT_ARRAY); + return get_socket_value<array<float> >(this, input); +} + +const array<float2>& Node::get_float2_array(const SocketType& input) const +{ + assert(input.type == SocketType::FLOAT_ARRAY); + return get_socket_value<array<float2> >(this, input); +} + +const array<float3>& Node::get_float3_array(const SocketType& input) const +{ + assert(is_socket_array_float3(input)); + return get_socket_value<array<float3> >(this, input); +} + +const array<ustring>& Node::get_string_array(const SocketType& input) const +{ + assert(input.type == SocketType::STRING_ARRAY); + return get_socket_value<array<ustring> >(this, input); +} + +const array<Transform>& Node::get_transform_array(const SocketType& input) const +{ + assert(input.type == SocketType::TRANSFORM_ARRAY); + return get_socket_value<array<Transform> >(this, input); +} + +const array<Node*>& Node::get_node_array(const SocketType& input) const +{ + assert(input.type == SocketType::NODE_ARRAY); + return get_socket_value<array<Node*> >(this, input); +} + +/* default values */ +bool Node::has_default_value(const SocketType& input) const +{ + const void *src = input.default_value; + void *dst = &get_socket_value<char>(this, input); + return memcmp(dst, src, input.size()) == 0; +} + +template<typename T> +static bool is_array_equal(const Node *node, const Node *other, const SocketType& socket) +{ + const array<T>* a = (const array<T>*)(((char*)node) + socket.struct_offset); + const array<T>* b = (const array<T>*)(((char*)other) + socket.struct_offset); + return *a == *b; +} + +/* modified */ +bool Node::modified(const Node& other) +{ + assert(type == other.type); + + typedef unordered_map<ustring, SocketType, ustringHash> map_type; + foreach(const map_type::value_type& it, type->inputs) { + const SocketType& socket = it.second; + + if(socket.is_array()) { + bool equal = true; + + switch(socket.type) + { + case SocketType::BOOLEAN_ARRAY: equal = is_array_equal<bool>(this, &other, socket); break; + case SocketType::FLOAT_ARRAY: equal = is_array_equal<float>(this, &other, socket); break; + case SocketType::INT_ARRAY: equal = is_array_equal<int>(this, &other, socket); break; + case SocketType::COLOR_ARRAY: equal = is_array_equal<float3>(this, &other, socket); break; + case SocketType::VECTOR_ARRAY: equal = is_array_equal<float3>(this, &other, socket); break; + case SocketType::POINT_ARRAY: equal = is_array_equal<float3>(this, &other, socket); break; + case SocketType::NORMAL_ARRAY: equal = is_array_equal<float3>(this, &other, socket); break; + case SocketType::POINT2_ARRAY: equal = is_array_equal<float2>(this, &other, socket); break; + case SocketType::STRING_ARRAY: equal = is_array_equal<ustring>(this, &other, socket); break; + case SocketType::TRANSFORM_ARRAY: equal = is_array_equal<Transform>(this, &other, socket); break; + case SocketType::NODE_ARRAY: equal = is_array_equal<void*>(this, &other, socket); break; + default: assert(0); break; + } + + if(!equal) { + return true; + } + } + else { + const void *a = ((char*)this) + socket.struct_offset; + const void *b = ((char*)&other) + socket.struct_offset; + if(memcmp(a, b, socket.size()) != 0) { + return true; + } + } + } + + return false; +} + +CCL_NAMESPACE_END + |