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Diffstat (limited to 'intern/cycles/render/svm.h')
| -rw-r--r-- | intern/cycles/render/svm.h | 241 |
1 files changed, 0 insertions, 241 deletions
diff --git a/intern/cycles/render/svm.h b/intern/cycles/render/svm.h deleted file mode 100644 index a45c66907b1..00000000000 --- a/intern/cycles/render/svm.h +++ /dev/null @@ -1,241 +0,0 @@ -/* - * Copyright 2011-2013 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. - */ - -#ifndef __SVM_H__ -#define __SVM_H__ - -#include "render/attribute.h" -#include "render/graph.h" -#include "render/shader.h" - -#include "util/util_array.h" -#include "util/util_set.h" -#include "util/util_string.h" -#include "util/util_thread.h" - -CCL_NAMESPACE_BEGIN - -class Device; -class DeviceScene; -class ImageManager; -class Scene; -class ShaderGraph; -class ShaderInput; -class ShaderNode; -class ShaderOutput; - -/* Shader Manager */ - -class SVMShaderManager : public ShaderManager { - public: - SVMShaderManager(); - ~SVMShaderManager(); - - void reset(Scene *scene) override; - - void host_update_specific(Scene *scene, Progress &progress) override; - - void device_update_specific(Device *device, - DeviceScene *dscene, - Scene *scene, - Progress &progress) override; - void device_free(Device *device, DeviceScene *dscene, Scene *scene) override; - - protected: - /* Compiled shader nodes. - * - * The compilation happens in the `host_update_specific()`, and the `device_update_specific()` - * moves these nodes to the device. */ - vector<array<int4>> shader_svm_nodes_; -}; - -/* Graph Compiler */ - -class SVMCompiler { - public: - struct Summary { - Summary(); - - /* Number of SVM nodes shader was compiled into. */ - int num_svm_nodes; - - /* Peak stack usage during shader evaluation. */ - int peak_stack_usage; - - /* Time spent on surface graph finalization. */ - double time_finalize; - - /* Time spent on generating SVM nodes for surface shader. */ - double time_generate_surface; - - /* Time spent on generating SVM nodes for bump shader. */ - double time_generate_bump; - - /* Time spent on generating SVM nodes for volume shader. */ - double time_generate_volume; - - /* Time spent on generating SVM nodes for displacement shader. */ - double time_generate_displacement; - - /* Total time spent on all routines. */ - double time_total; - - /* A full multi-line description of the state of the compiler after compilation. */ - string full_report() const; - }; - - SVMCompiler(Scene *scene); - void compile(Shader *shader, array<int4> &svm_nodes, int index, Summary *summary = NULL); - - int stack_assign(ShaderOutput *output); - int stack_assign(ShaderInput *input); - int stack_assign_if_linked(ShaderInput *input); - int stack_assign_if_linked(ShaderOutput *output); - int stack_find_offset(int size); - int stack_find_offset(SocketType::Type type); - void stack_clear_offset(SocketType::Type type, int offset); - void stack_link(ShaderInput *input, ShaderOutput *output); - - void add_node(ShaderNodeType type, int a = 0, int b = 0, int c = 0); - void add_node(int a = 0, int b = 0, int c = 0, int d = 0); - void add_node(ShaderNodeType type, const float3 &f); - void add_node(const float4 &f); - uint attribute(ustring name); - uint attribute(AttributeStandard std); - uint attribute_standard(ustring name); - uint encode_uchar4(uint x, uint y = 0, uint z = 0, uint w = 0); - uint closure_mix_weight_offset() - { - return mix_weight_offset; - } - - ShaderType output_type() - { - return current_type; - } - - Scene *scene; - ShaderGraph *current_graph; - bool background; - - protected: - /* stack */ - struct Stack { - Stack() - { - memset(users, 0, sizeof(users)); - } - Stack(const Stack &other) - { - memcpy(users, other.users, sizeof(users)); - } - Stack &operator=(const Stack &other) - { - memcpy(users, other.users, sizeof(users)); - return *this; - } - - bool empty() - { - for (int i = 0; i < SVM_STACK_SIZE; i++) - if (users[i]) - return false; - - return true; - } - - void print() - { - printf("stack <"); - - for (int i = 0; i < SVM_STACK_SIZE; i++) - printf((users[i]) ? "*" : " "); - - printf(">\n"); - } - - int users[SVM_STACK_SIZE]; - }; - - /* Global state of the compiler accessible from the compilation routines. */ - struct CompilerState { - explicit CompilerState(ShaderGraph *graph); - - /* ** Global state, used by various compilation steps. ** */ - - /* Set of nodes which were already compiled. */ - ShaderNodeSet nodes_done; - - /* Set of closures which were already compiled. */ - ShaderNodeSet closure_done; - - /* Set of nodes used for writing AOVs. */ - ShaderNodeSet aov_nodes; - - /* ** SVM nodes generation state ** */ - - /* Flag whether the node with corresponding ID was already compiled or - * not. Array element with index i corresponds to a node with such if. - * - * TODO(sergey): This is actually a copy of nodes_done just in another - * notation. We can de-duplicate this storage actually after switching - * all areas to use this flags array. - */ - vector<bool> nodes_done_flag; - - /* Node features that can be compiled. */ - uint node_feature_mask; - }; - - void stack_clear_temporary(ShaderNode *node); - int stack_size(SocketType::Type type); - void stack_clear_users(ShaderNode *node, ShaderNodeSet &done); - - /* single closure */ - void find_dependencies(ShaderNodeSet &dependencies, - const ShaderNodeSet &done, - ShaderInput *input, - ShaderNode *skip_node = NULL); - void find_aov_nodes_and_dependencies(ShaderNodeSet &aov_nodes, - ShaderGraph *graph, - CompilerState *state); - void generate_node(ShaderNode *node, ShaderNodeSet &done); - void generate_aov_node(ShaderNode *node, CompilerState *state); - void generate_closure_node(ShaderNode *node, CompilerState *state); - void generated_shared_closure_nodes(ShaderNode *root_node, - ShaderNode *node, - CompilerState *state, - const ShaderNodeSet &shared); - void generate_svm_nodes(const ShaderNodeSet &nodes, CompilerState *state); - - /* multi closure */ - void generate_multi_closure(ShaderNode *root_node, ShaderNode *node, CompilerState *state); - - /* compile */ - void compile_type(Shader *shader, ShaderGraph *graph, ShaderType type); - - array<int4> current_svm_nodes; - ShaderType current_type; - Shader *current_shader; - Stack active_stack; - int max_stack_use; - uint mix_weight_offset; - bool compile_failed; -}; - -CCL_NAMESPACE_END - -#endif /* __SVM_H__ */ |