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caeea212cffbf352df2d27e67690aaed4e4cd336
test/source/blender/blenkernel/CMakeLists.txt
Jeroen Bakker e96a809a68 PBVH Pixel extractor. 
This patch contains an initial pixel extractor for PBVH and an initial paint brush implementation.
PBVH is an accelleration structure blender uses internally to speed up 3d painting operations.
At this moment it is extensively used by sculpt, vertex painting and weight painting.

For the 3d texturing brush we will be using the PBVH for texture painting.
Currently PBVH is organized to work on geometry (vertices, polygons and triangles).
For texture painting this should be extended it to use pixels.

{F12995467}

Screen recording has been done on a Mac Mini with a 6 core 3.3 GHZ Intel processor.

# Scope

This patch only contains an extending uv seams to fix uv seams. This is not actually we want, but was easy to add
to make the brush usable.

Pixels are places in the PBVH_Leaf nodes. We want to introduce a special node for pixels, but that will be done
in a separate patch to keep the code review small. This reduces the painting performance when using
low and medium poly assets.

In workbench textures aren't forced to be shown. For now use Material/Rendered view.

# Rasterization process

The rasterization process will generate the pixel information for a leaf node. In the future those
leaf nodes will be split up into multiple leaf nodes to increase the performance when there
isn't enough geometry. For this patch this was left out of scope.

In order to do so every polygon should be uniquely assigned to a leaf node.

For each leaf node
   for each polygon
     If polygon not assigned
       assign polygon to node.

Polygons are to complicated to be used directly we have to split the polygons into triangles.

For each leaf node
  for each polygon
    extract triangles from polygon.

The list of triangles can be stored inside the leaf node. The list of polygons aren't needed anymore.
Each triangle has:

    poly_index.
    vert_indices
    delta barycentric coordinate between x steps.

Each triangle is rasterized in rows. Sequential pixels (in uv space) are stored in a single structure.

    image position
    barycentric coordinate of the first pixel
    number of pixels
    triangle index inside the leaf node.

During the performed experiments we used a fairly simple rasterization process by
finding the UV bounds of an triangle and calculate the barycentric coordinates per
pixel inside the bounds. Even for complex models and huge images this process is
normally finished within 0.5 second. It could be that we want to change this algorithm
to reduce hickups when nodes are initialized during a stroke.

Reviewed By: brecht

Maniphest Tasks: T96710

Differential Revision: https://developer.blender.org/D14504
2022-04-15 16:40:01 +02:00

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# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright 2006 Blender Foundation. All rights reserved.
set(INC
.
../blenfont
../blenlib
../blenloader
../blentranslation
../bmesh
../depsgraph
../draw
../functions
../gpencil_modifiers
../gpu
../ikplugin
../imbuf
../makesdna
../makesrna
../modifiers
../nodes
../render
../sequencer
../shader_fx
../simulation
../../../intern/eigen
../../../intern/ghost
../../../intern/glew-mx
../../../intern/guardedalloc
../../../intern/iksolver/extern
../../../intern/atomic
../../../intern/clog
../../../intern/libmv
../../../intern/mantaflow/extern
../../../intern/memutil
../../../intern/mikktspace
../../../intern/opensubdiv
../../../extern/curve_fit_nd
# dna_type_offsets.h
${CMAKE_CURRENT_BINARY_DIR}/../makesdna/intern
# RNA_prototypes.h
${CMAKE_BINARY_DIR}/source/blender/makesrna
)
set(INC_SYS
${ZLIB_INCLUDE_DIRS}
# For `vfontdata_freetype.c`.
${FREETYPE_INCLUDE_DIRS}
)
set(SRC
${CMAKE_SOURCE_DIR}/release/datafiles/userdef/userdef_default.c
intern/CCGSubSurf.c
intern/CCGSubSurf_legacy.c
intern/CCGSubSurf_util.c
intern/DerivedMesh.cc
intern/action.c
intern/action_bones.cc
intern/action_mirror.c
intern/addon.c
intern/anim_data.c
intern/anim_path.c
intern/anim_sys.c
intern/anim_visualization.c
intern/anonymous_attribute.cc
intern/appdir.c
intern/armature.c
intern/armature_deform.c
intern/armature_pose.cc
intern/armature_selection.cc
intern/armature_update.c
intern/asset.cc
intern/asset_catalog.cc
intern/asset_catalog_path.cc
intern/asset_library.cc
intern/asset_library_service.cc
intern/attribute.c
intern/attribute_access.cc
intern/attribute_math.cc
intern/autoexec.c
intern/blender.c
intern/blender_copybuffer.c
intern/blender_undo.c
intern/blender_user_menu.c
intern/blendfile.c
intern/blendfile_link_append.c
intern/boids.c
intern/bpath.c
intern/brush.c
intern/bvhutils.cc
intern/cachefile.c
intern/callbacks.c
intern/camera.c
intern/cdderivedmesh.c
intern/cloth.c
intern/collection.c
intern/collision.c
intern/colorband.c
intern/colortools.c
intern/constraint.c
intern/context.c
intern/crazyspace.c
intern/cryptomatte.cc
intern/curve.cc
intern/curve_bevel.c
intern/curve_bezier.cc
intern/curve_catmull_rom.cc
intern/curve_convert.c
intern/curve_decimate.c
intern/curve_deform.c
intern/curve_eval.cc
intern/curve_nurbs.cc
intern/curve_poly.cc
intern/curve_to_mesh_convert.cc
intern/curveprofile.cc
intern/curves.cc
intern/curves_geometry.cc
intern/customdata.cc
intern/customdata_file.c
intern/data_transfer.c
intern/deform.c
intern/displist.cc
intern/dynamicpaint.c
intern/editlattice.c
intern/editmesh.c
intern/editmesh_bvh.c
intern/editmesh_cache.cc
intern/editmesh_tangent.c
intern/effect.c
intern/fcurve.c
intern/fcurve_cache.c
intern/fcurve_driver.c
intern/fluid.c
intern/fmodifier.c
intern/freestyle.c
intern/geometry_component_curve.cc
intern/geometry_component_curves.cc
intern/geometry_component_instances.cc
intern/geometry_component_mesh.cc
intern/geometry_component_pointcloud.cc
intern/geometry_component_volume.cc
intern/geometry_set.cc
intern/geometry_set_instances.cc
intern/gpencil.c
intern/gpencil_curve.c
intern/gpencil_geom.cc
intern/gpencil_modifier.c
intern/gpencil_update_cache.c
intern/icons.cc
intern/icons_rasterize.c
intern/idprop.c
intern/idprop_create.cc
intern/idprop_serialize.cc
intern/idprop_utils.c
intern/idtype.c
intern/image.cc
intern/image_format.cc
intern/image_gen.c
intern/image_gpu.cc
intern/image_partial_update.cc
intern/image_save.cc
intern/ipo.c
intern/kelvinlet.c
intern/key.c
intern/keyconfig.c
intern/lattice.c
intern/lattice_deform.c
intern/layer.c
intern/layer_utils.c
intern/lib_id.c
intern/lib_id_delete.c
intern/lib_id_eval.c
intern/lib_id_remapper.cc
intern/lib_override.c
intern/lib_override_proxy_conversion.c
intern/lib_query.c
intern/lib_remap.c
intern/library.c
intern/light.c
intern/lightprobe.c
intern/linestyle.c
intern/main.c
intern/main_idmap.c
intern/mask.c
intern/mask_evaluate.c
intern/mask_rasterize.c
intern/material.c
intern/mball.c
intern/mball_tessellate.c
intern/mesh.cc
intern/mesh_boolean_convert.cc
intern/mesh_calc_edges.cc
intern/mesh_convert.cc
intern/mesh_debug.cc
intern/mesh_evaluate.cc
intern/mesh_fair.cc
intern/mesh_iterators.c
intern/mesh_mapping.c
intern/mesh_merge.c
intern/mesh_mirror.c
intern/mesh_normals.cc
intern/mesh_remap.c
intern/mesh_remesh_voxel.cc
intern/mesh_runtime.cc
intern/mesh_sample.cc
intern/mesh_tangent.c
intern/mesh_tessellate.c
intern/mesh_validate.cc
intern/mesh_wrapper.cc
intern/modifier.c
intern/movieclip.c
intern/multires.c
intern/multires_reshape.c
intern/multires_reshape_apply_base.c
intern/multires_reshape_ccg.c
intern/multires_reshape_smooth.c
intern/multires_reshape_subdivide.c
intern/multires_reshape_util.c
intern/multires_reshape_vertcos.c
intern/multires_subdiv.c
intern/multires_unsubdivide.c
intern/multires_versioning.c
intern/nla.c
intern/node.cc
intern/node_tree_update.cc
intern/object.cc
intern/object_deform.c
intern/object_dupli.cc
intern/object_facemap.c
intern/object_update.c
intern/ocean.c
intern/ocean_spectrum.c
intern/outliner_treehash.c
intern/packedFile.c
intern/paint.c
intern/paint_canvas.cc
intern/paint_toolslots.c
intern/particle.c
intern/particle_child.c
intern/particle_distribute.c
intern/particle_system.c
intern/pbvh.cc
intern/pbvh.c
intern/pbvh_bmesh.c
intern/pbvh_pixels.cc
intern/pointcache.c
intern/pointcloud.cc
intern/preferences.c
intern/report.c
intern/rigidbody.c
intern/scene.cc
intern/screen.c
intern/shader_fx.c
intern/shrinkwrap.c
intern/simulation.cc
intern/softbody.c
intern/sound.c
intern/speaker.c
intern/spline_base.cc
intern/spline_bezier.cc
intern/spline_nurbs.cc
intern/spline_poly.cc
intern/studiolight.c
intern/subdiv.c
intern/subdiv_ccg.c
intern/subdiv_ccg_mask.c
intern/subdiv_ccg_material.c
intern/subdiv_converter.c
intern/subdiv_converter_mesh.c
intern/subdiv_deform.c
intern/subdiv_displacement.c
intern/subdiv_displacement_multires.c
intern/subdiv_eval.c
intern/subdiv_foreach.c
intern/subdiv_mesh.c
intern/subdiv_modifier.c
intern/subdiv_stats.c
intern/subdiv_topology.c
intern/subsurf_ccg.c
intern/text.c
intern/text_suggestions.c
intern/texture.c
intern/tracking.c
intern/tracking_auto.c
intern/tracking_detect.c
intern/tracking_plane_tracker.c
intern/tracking_region_tracker.c
intern/tracking_solver.c
intern/tracking_stabilize.c
intern/tracking_util.c
intern/type_conversions.cc
intern/undo_system.c
intern/unit.c
intern/vfont.c
intern/vfontdata_freetype.c
intern/volume.cc
intern/volume_render.cc
intern/volume_to_mesh.cc
intern/workspace.c
intern/world.c
intern/writeavi.c
BKE_DerivedMesh.h
BKE_action.h
BKE_action.hh
BKE_addon.h
BKE_anim_data.h
BKE_anim_path.h
BKE_anim_visualization.h
BKE_animsys.h
BKE_anonymous_attribute.h
BKE_anonymous_attribute.hh
BKE_appdir.h
BKE_armature.h
BKE_armature.hh
BKE_asset.h
BKE_asset_catalog.hh
BKE_asset_catalog_path.hh
BKE_asset_library.h
BKE_asset_library.hh
BKE_attribute.h
BKE_attribute_access.hh
BKE_attribute_math.hh
BKE_autoexec.h
BKE_blender.h
BKE_blender_copybuffer.h
BKE_blender_undo.h
BKE_blender_user_menu.h
BKE_blender_version.h
BKE_blendfile.h
BKE_blendfile_link_append.h
BKE_boids.h
BKE_bpath.h
BKE_brush.h
BKE_bvhutils.h
BKE_cachefile.h
BKE_callbacks.h
BKE_camera.h
BKE_ccg.h
BKE_cdderivedmesh.h
BKE_cloth.h
BKE_collection.h
BKE_collision.h
BKE_colorband.h
BKE_colortools.h
BKE_constraint.h
BKE_context.h
BKE_crazyspace.h
BKE_cryptomatte.h
BKE_cryptomatte.hh
BKE_curve.h
BKE_curve_to_mesh.hh
BKE_curveprofile.h
BKE_curves.h
BKE_curves.hh
BKE_customdata.h
BKE_customdata_file.h
BKE_data_transfer.h
BKE_deform.h
BKE_displist.h
BKE_duplilist.h
BKE_dynamicpaint.h
BKE_editlattice.h
BKE_editmesh.h
BKE_editmesh_bvh.h
BKE_editmesh_cache.h
BKE_editmesh_tangent.h
BKE_effect.h
BKE_fcurve.h
BKE_fcurve_driver.h
BKE_fluid.h
BKE_freestyle.h
BKE_geometry_fields.hh
BKE_geometry_set.h
BKE_geometry_set.hh
BKE_geometry_set_instances.hh
BKE_global.h
BKE_gpencil.h
BKE_gpencil_curve.h
BKE_gpencil_geom.h
BKE_gpencil_modifier.h
BKE_gpencil_update_cache.h
BKE_icons.h
BKE_idprop.h
BKE_idprop.hh
BKE_idtype.h
BKE_image.h
BKE_image_format.h
BKE_image_partial_update.hh
BKE_image_save.h
BKE_ipo.h
BKE_kelvinlet.h
BKE_key.h
BKE_keyconfig.h
BKE_lattice.h
BKE_layer.h
BKE_lib_id.h
BKE_lib_override.h
BKE_lib_query.h
BKE_lib_remap.h
BKE_library.h
BKE_light.h
BKE_lightprobe.h
BKE_linestyle.h
BKE_main.h
BKE_main_idmap.h
BKE_mask.h
BKE_material.h
BKE_mball.h
BKE_mball_tessellate.h
BKE_mesh.h
BKE_mesh_boolean_convert.hh
BKE_mesh_fair.h
BKE_mesh_iterators.h
BKE_mesh_mapping.h
BKE_mesh_mirror.h
BKE_mesh_remap.h
BKE_mesh_remesh_voxel.h
BKE_mesh_runtime.h
BKE_mesh_sample.hh
BKE_mesh_tangent.h
BKE_mesh_types.h
BKE_mesh_wrapper.h
BKE_modifier.h
BKE_movieclip.h
BKE_multires.h
BKE_nla.h
BKE_node.h
BKE_node_tree_update.h
BKE_object.h
BKE_object_deform.h
BKE_object_facemap.h
BKE_ocean.h
BKE_outliner_treehash.h
BKE_packedFile.h
BKE_paint.h
BKE_particle.h
BKE_pbvh.h
BKE_pointcache.h
BKE_pointcloud.h
BKE_preferences.h
BKE_report.h
BKE_rigidbody.h
BKE_scene.h
BKE_screen.h
BKE_sequencer_offscreen.h
BKE_shader_fx.h
BKE_shrinkwrap.h
BKE_simulation.h
BKE_softbody.h
BKE_sound.h
BKE_speaker.h
BKE_spline.hh
BKE_studiolight.h
BKE_subdiv.h
BKE_subdiv_ccg.h
BKE_subdiv_deform.h
BKE_subdiv_eval.h
BKE_subdiv_foreach.h
BKE_subdiv_mesh.h
BKE_subdiv_modifier.h
BKE_subdiv_topology.h
BKE_subsurf.h
BKE_text.h
BKE_text_suggestions.h
BKE_texture.h
BKE_tracking.h
BKE_type_conversions.hh
BKE_undo_system.h
BKE_unit.h
BKE_vfont.h
BKE_vfontdata.h
BKE_volume.h
BKE_volume_render.h
BKE_volume_to_mesh.hh
BKE_workspace.h
BKE_world.h
BKE_writeavi.h
nla_private.h
particle_private.h
tracking_private.h
intern/CCGSubSurf.h
intern/CCGSubSurf_inline.h
intern/CCGSubSurf_intern.h
intern/asset_library_service.hh
intern/attribute_access_intern.hh
intern/data_transfer_intern.h
intern/lib_intern.h
intern/multires_inline.h
intern/multires_reshape.h
intern/multires_unsubdivide.h
intern/ocean_intern.h
intern/pbvh_intern.h
intern/subdiv_converter.h
intern/subdiv_inline.h
)
set(LIB
bf_blenfont
bf_blenlib
bf_blenloader
bf_blentranslation
bf_bmesh
bf_depsgraph
bf_draw
bf_functions
bf_gpencil_modifiers
bf_gpu
bf_ikplugin
bf_imbuf
bf_intern_clog
bf_intern_ghost
bf_intern_guardedalloc
bf_intern_libmv # Uses stub when disabled.
bf_intern_mikktspace
bf_intern_opensubdiv # Uses stub when disabled.
bf_modifiers
bf_nodes
bf_rna
bf_shader_fx
bf_simulation
# For `vfontdata_freetype.c`.
${FREETYPE_LIBRARIES} ${BROTLI_LIBRARIES}
)
if(WITH_BINRELOC)
list(APPEND INC_SYS
${BINRELOC_INCLUDE_DIRS}
)
list(APPEND LIB
extern_binreloc
)
add_definitions(-DWITH_BINRELOC)
endif()
if(WIN32)
list(APPEND INC
../../../intern/utfconv
)
endif()
if(WITH_AUDASPACE)
add_definitions(-DWITH_AUDASPACE)
list(APPEND INC_SYS
${AUDASPACE_C_INCLUDE_DIRS}
)
list(APPEND LIB
${AUDASPACE_C_LIBRARIES}
${AUDASPACE_PY_LIBRARIES}
)
endif()
if(WITH_BULLET)
list(APPEND INC_SYS
${BULLET_INCLUDE_DIRS}
)
list(APPEND INC
../../../intern/rigidbody
)
if(NOT WITH_SYSTEM_BULLET)
list(APPEND LIB
extern_bullet
)
endif()
list(APPEND LIB
bf_intern_rigidbody
${BULLET_LIBRARIES}
)
add_definitions(-DWITH_BULLET)
endif()
if(WITH_IMAGE_OPENEXR)
add_definitions(-DWITH_OPENEXR)
endif()
if(WITH_IMAGE_TIFF)
add_definitions(-DWITH_TIFF)
endif()
if(WITH_OPENIMAGEIO)
add_definitions(-DWITH_OPENIMAGEIO)
endif()
if(WITH_IMAGE_OPENJPEG)
add_definitions(-DWITH_OPENJPEG)
endif()
if(WITH_IMAGE_DDS)
add_definitions(-DWITH_DDS)
endif()
if(WITH_IMAGE_CINEON)
add_definitions(-DWITH_CINEON)
endif()
if(WITH_IMAGE_HDR)
add_definitions(-DWITH_HDR)
endif()
if(WITH_IMAGE_WEBP)
add_definitions(-DWITH_WEBP)
endif()
if(WITH_CODEC_AVI)
list(APPEND INC
../io/avi
)
add_definitions(-DWITH_AVI)
endif()
if(WITH_CODEC_FFMPEG)
list(APPEND SRC
intern/writeffmpeg.c
BKE_writeffmpeg.h
)
list(APPEND INC
../../../intern/ffmpeg
)
list(APPEND INC_SYS
${FFMPEG_INCLUDE_DIRS}
)
list(APPEND LIB
${FFMPEG_LIBRARIES}
)
add_definitions(-DWITH_FFMPEG)
endif()
if(WITH_PYTHON)
list(APPEND INC
../python
)
list(APPEND LIB
bf_python
bf_python_bmesh
)
add_definitions(-DWITH_PYTHON)
if(WITH_PYTHON_SAFETY)
add_definitions(-DWITH_PYTHON_SAFETY)
endif()
if(WITH_PYTHON_SECURITY)
add_definitions(-DWITH_PYTHON_SECURITY)
endif()
if(PYTHON_EXECUTABLE)
get_filename_component(_python_exe_name ${PYTHON_EXECUTABLE} NAME)
add_definitions(-DPYTHON_EXECUTABLE_NAME=${_python_exe_name})
unset(_python_exe_name)
endif()
endif()
if(WITH_MOD_FLUID)
list(APPEND LIB
bf_intern_mantaflow
)
add_definitions(-DWITH_FLUID)
endif()
if(WITH_MOD_OCEANSIM)
add_definitions(-DWITH_OCEANSIM)
endif()
if(WITH_JACK)
add_definitions(-DWITH_JACK)
endif()
if(WITH_LZO)
if(WITH_SYSTEM_LZO)
list(APPEND INC_SYS
${LZO_INCLUDE_DIR}
)
list(APPEND LIB
${LZO_LIBRARIES}
)
add_definitions(-DWITH_SYSTEM_LZO)
else()
list(APPEND INC_SYS
../../../extern/lzo/minilzo
)
list(APPEND LIB
extern_minilzo
)
endif()
add_definitions(-DWITH_LZO)
endif()
if(WITH_LZMA)
list(APPEND INC_SYS
../../../extern/lzma
)
list(APPEND LIB
extern_lzma
)
add_definitions(-DWITH_LZMA)
endif()
if(WITH_LIBMV)
add_definitions(-DWITH_LIBMV)
endif()
if(WITH_FFTW3)
list(APPEND INC_SYS
${FFTW3_INCLUDE_DIRS}
)
list(APPEND LIB
${FFTW3_LIBRARIES}
)
add_definitions(-DFFTW3=1)
endif()
if(WITH_FREESTYLE)
add_definitions(-DWITH_FREESTYLE)
endif()
if(WITH_ALEMBIC)
list(APPEND INC
../io/alembic
)
add_definitions(-DWITH_ALEMBIC)
endif()
if(WITH_USD)
list(APPEND INC
../io/usd
)
add_definitions(-DWITH_USD)
endif()
if(WITH_OPENSUBDIV)
list(APPEND INC_SYS
${OPENSUBDIV_INCLUDE_DIRS}
)
list(APPEND LIB
${OPENSUBDIV_LIBRARIES}
)
add_definitions(-DWITH_OPENSUBDIV)
endif()
if(WITH_OPENVDB)
list(APPEND INC
../../../intern/openvdb
)
list(APPEND INC_SYS
${OPENVDB_INCLUDE_DIRS}
)
list(APPEND LIB
bf_intern_openvdb
${OPENVDB_LIBRARIES}
)
add_definitions(-DWITH_OPENVDB ${OPENVDB_DEFINITIONS})
endif()
if(WITH_QUADRIFLOW)
list(APPEND INC
../../../intern/quadriflow
)
list(APPEND LIB
bf_intern_quadriflow
)
add_definitions(-DWITH_QUADRIFLOW)
endif()
if(WITH_XR_OPENXR)
add_definitions(-DWITH_XR_OPENXR)
endif()
if(WITH_TBB)
add_definitions(-DWITH_TBB)
list(APPEND INC_SYS
${TBB_INCLUDE_DIRS}
)
list(APPEND LIB
${TBB_LIBRARIES}
)
endif()
if(WITH_GMP)
add_definitions(-DWITH_GMP)
list(APPEND INC_SYS
${GMP_INCLUDE_DIRS}
)
endif()
# # Warnings as errors, this is too strict!
# if(MSVC)
# string(APPEND CMAKE_C_FLAGS " /WX")
# endif()
blender_add_lib(bf_blenkernel "${SRC}" "${INC}" "${INC_SYS}" "${LIB}")
# Needed so we can use dna_type_offsets.h for defaults initialization.
add_dependencies(bf_blenkernel bf_dna)
# RNA_prototypes.h
add_dependencies(bf_blenkernel bf_rna)
if(WITH_GTESTS)
set(TEST_SRC
intern/action_test.cc
intern/armature_test.cc
intern/asset_catalog_path_test.cc
intern/asset_catalog_test.cc
intern/asset_library_service_test.cc
intern/asset_library_test.cc
intern/asset_test.cc
intern/bpath_test.cc
intern/cryptomatte_test.cc
intern/curves_geometry_test.cc
intern/fcurve_test.cc
intern/idprop_serialize_test.cc
intern/image_partial_update_test.cc
intern/image_test.cc
intern/lattice_deform_test.cc
intern/layer_test.cc
intern/lib_id_remapper_test.cc
intern/lib_id_test.cc
intern/lib_remap_test.cc
intern/tracking_test.cc
)
set(TEST_INC
../editors/include
)
include(GTestTesting)
blender_add_test_lib(bf_blenkernel_tests "${TEST_SRC}" "${INC};${TEST_INC}" "${INC_SYS}" "${LIB}")
# RNA_prototypes.h
add_dependencies(bf_blenkernel_tests bf_rna)
endif()
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