32c301e3cf
This adds a function that can turn an existing `bNodeTree` into an inlined one. The new node tree has all node groups, repeat zones, closures and bundles inlined. So it's just a flat tree that ideally can be consumed easily by render engines. As part of the process, it also does constant folding. The goal is to support more advanced features from geometry nodes (repeat zones, etc.) in shader nodes which the evaluator is more limited because it has to be able to run on the GPU. Creating an inlined `bNodeTree` is likely the most direct way to get but may also be limiting in the future. Since this is a fairly local change, it's likely still worth it to support these features in all render engines without having to make their evaluators significantly more complex. Some limitations apply here that do not apply in Geometry Nodes. For example, the iterations count in a repeat zone has to be a constant after constant folding. There is also a `Test Inlining Shader Nodes` operator that creates the inlined tree and creates a group node for it. This is just for testing purposes. #145811 will make this functionality available to the Python API as well so that external renderers can use it too.
255 lines
5.8 KiB
CMake
255 lines
5.8 KiB
CMake
# SPDX-FileCopyrightText: 2006 Blender Authors
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#
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# SPDX-License-Identifier: GPL-2.0-or-later
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set(DISCOVER_NODES_PATH ${CMAKE_CURRENT_SOURCE_DIR}/intern/discover_nodes.py)
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# Creates a library with the given name that exposes one function which calls
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# the register functions of all nodes in the provided source files.
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function(add_node_discovery
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lib_name
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sources
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output_file
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output_function
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)
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set(extra_args "")
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# See `add_definitions(-DUSE_MAKEFILE_WORKAROUND)` comment for `makesrna`.
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if(CMAKE_GENERATOR MATCHES ".*Unix Makefiles")
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set(extra_args "--use-makefile-workaround")
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endif()
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add_custom_command(
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OUTPUT
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${output_file}
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COMMAND
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${PYTHON_EXECUTABLE}
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${DISCOVER_NODES_PATH}
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${CMAKE_CURRENT_SOURCE_DIR}
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${output_file}
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${output_function}
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${sources}
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${extra_args}
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DEPENDS
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${SRC}
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${DISCOVER_NODES_PATH}
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)
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set_source_files_properties(${output_file} PROPERTIES GENERATED TRUE)
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add_library(${lib_name} ${output_file})
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endfunction()
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add_subdirectory(composite)
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add_subdirectory(function)
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add_subdirectory(geometry)
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add_subdirectory(shader)
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add_subdirectory(texture)
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set(INC
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PUBLIC .
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composite
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function
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geometry
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intern
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shader
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texture
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geometry/include
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../animrig
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../editors/include
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../depsgraph
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../makesrna
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../modifiers
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# RNA_prototypes.hh
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${CMAKE_BINARY_DIR}/source/blender/makesrna
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)
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set(INC_SYS
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)
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set(SRC
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intern/derived_node_tree.cc
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intern/geometry_nodes_bundle.cc
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intern/geometry_nodes_caller_ui.cc
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intern/geometry_nodes_closure.cc
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intern/geometry_nodes_closure_zone.cc
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intern/geometry_nodes_dependencies.cc
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intern/geometry_nodes_execute.cc
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intern/geometry_nodes_foreach_geometry_element_zone.cc
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intern/geometry_nodes_gizmos.cc
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intern/geometry_nodes_lazy_function.cc
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intern/geometry_nodes_list.cc
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intern/geometry_nodes_log.cc
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intern/geometry_nodes_repeat_zone.cc
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intern/geometry_nodes_warning.cc
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intern/inverse_eval.cc
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intern/list_function_eval.cc
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intern/math_functions.cc
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intern/node_common.cc
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intern/node_declaration.cc
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intern/node_exec.cc
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intern/node_geometry_exec.cc
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intern/node_multi_function.cc
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intern/node_register.cc
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intern/node_rna_define.cc
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intern/node_socket.cc
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intern/node_socket_declarations.cc
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intern/node_util.cc
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intern/partial_eval.cc
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intern/shader_nodes_inline.cc
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intern/socket_search_link.cc
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intern/socket_usage_inference.cc
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intern/socket_value_inference.cc
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intern/sync_sockets.cc
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intern/trace_values.cc
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intern/value_elem.cc
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intern/volume_grid_function_eval.cc
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NOD_common.hh
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NOD_composite.hh
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NOD_derived_node_tree.hh
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NOD_geometry.hh
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NOD_geometry_exec.hh
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NOD_geometry_nodes_bundle.hh
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NOD_geometry_nodes_bundle_fwd.hh
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NOD_geometry_nodes_bundle_signature.hh
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NOD_geometry_nodes_caller_ui.hh
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NOD_geometry_nodes_closure.hh
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NOD_geometry_nodes_closure_eval.hh
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NOD_geometry_nodes_closure_fwd.hh
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NOD_geometry_nodes_closure_location.hh
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NOD_geometry_nodes_closure_signature.hh
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NOD_geometry_nodes_dependencies.hh
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NOD_geometry_nodes_execute.hh
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NOD_geometry_nodes_gizmos.hh
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NOD_geometry_nodes_lazy_function.hh
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NOD_geometry_nodes_list.hh
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NOD_geometry_nodes_list_fwd.hh
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NOD_geometry_nodes_log.hh
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NOD_geometry_nodes_values.hh
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NOD_geometry_nodes_warning.hh
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NOD_inverse_eval_params.hh
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NOD_inverse_eval_path.hh
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NOD_inverse_eval_run.hh
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NOD_math_functions.hh
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NOD_menu_value.hh
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NOD_multi_function.hh
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NOD_nested_node_id.hh
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NOD_node_declaration.hh
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NOD_node_extra_info.hh
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NOD_node_in_compute_context.hh
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NOD_partial_eval.hh
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NOD_register.hh
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NOD_rna_define.hh
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NOD_shader.h
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NOD_shader_nodes_inline.hh
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NOD_socket.hh
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NOD_socket_declarations.hh
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NOD_socket_declarations_geometry.hh
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NOD_socket_items.hh
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NOD_socket_items_blend.hh
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NOD_socket_items_ops.hh
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NOD_socket_items_ui.hh
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NOD_socket_search_link.hh
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NOD_socket_usage_inference.hh
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NOD_socket_usage_inference_fwd.hh
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NOD_socket_value_inference.hh
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NOD_sync_sockets.hh
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NOD_texture.h
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NOD_trace_values.hh
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NOD_value_elem.hh
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NOD_value_elem_eval.hh
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intern/list_function_eval.hh
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intern/node_common.h
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intern/node_exec.hh
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intern/node_util.hh
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intern/volume_grid_function_eval.hh
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)
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set(LIB
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PRIVATE bf::blenkernel
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PRIVATE bf::blenlib
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PRIVATE bf::blenloader
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PRIVATE bf::blentranslation
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PRIVATE bf::bmesh
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PRIVATE bf::depsgraph
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PRIVATE bf::dna
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PRIVATE bf::functions
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PRIVATE bf::geometry
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PRIVATE bf::gpu
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PRIVATE bf::imbuf
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PRIVATE bf::intern::guardedalloc
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bf_nodes_composite
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bf_nodes_function
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bf_nodes_geometry
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bf_nodes_shader
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bf_nodes_texture
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PRIVATE bf::extern::fmtlib
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PRIVATE bf::extern::xxhash
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PRIVATE bf::render
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PRIVATE bf::windowmanager
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PRIVATE bf::intern::clog
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)
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if(WITH_BULLET)
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list(APPEND INC_SYS
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${BULLET_INCLUDE_DIRS}
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../../../intern/rigidbody
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)
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list(APPEND LIB
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${BULLET_LIBRARIES}
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)
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add_definitions(-DWITH_BULLET)
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endif()
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if(WITH_TBB)
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if(WIN32)
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# TBB includes Windows.h which will define min/max macros
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# that will collide with the STL versions.
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add_definitions(-DNOMINMAX)
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endif()
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endif()
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if(WITH_IMAGE_OPENEXR)
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add_definitions(-DWITH_IMAGE_OPENEXR)
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endif()
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if(WITH_FREESTYLE)
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add_definitions(-DWITH_FREESTYLE)
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endif()
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if(WITH_OPENSUBDIV)
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add_definitions(-DWITH_OPENSUBDIV)
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endif()
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if(WITH_GMP)
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add_definitions(-DWITH_GMP)
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list(APPEND INC_SYS
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${GMP_INCLUDE_DIRS}
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)
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list(APPEND LIB
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${GMP_LIBRARIES}
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)
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endif()
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blender_add_lib(bf_nodes "${SRC}" "${INC}" "${INC_SYS}" "${LIB}")
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add_library(bf::nodes ALIAS bf_nodes)
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# RNA_prototypes.hh
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add_dependencies(bf_nodes bf_rna)
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if(WITH_GTESTS)
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set(TEST_INC
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)
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set(TEST_SRC
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intern/geometry_nodes_bundle_tests.cc
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intern/node_iterator_tests.cc
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)
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set(TEST_LIB
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bf_nodes
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)
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blender_add_test_suite_lib(nodes "${TEST_SRC}" "${INC};${TEST_INC}" "${INC_SYS}" "${LIB}")
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endif()
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