usd_reader_material.cc File Reference

#include "usd_reader_material.hh"
#include "usd_asset_utils.hh"
#include "usd_hash_types.hh"
#include "usd_reader_utils.hh"
#include "usd_utils.hh"
#include "BKE_image.hh"
#include "BKE_lib_id.hh"
#include "BKE_library.hh"
#include "BKE_main.hh"
#include "BKE_material.hh"
#include "BKE_node.hh"
#include "BKE_node_legacy_types.hh"
#include "BKE_node_tree_update.hh"
#include "BKE_report.hh"
#include "BLI_fileops.h"
#include "BLI_listbase.h"
#include "BLI_map.hh"
#include "BLI_math_vector.h"
#include "BLI_math_vector_types.hh"
#include "BLI_path_utils.hh"
#include "BLI_string.h"
#include "BLI_string_ref.hh"
#include "BLI_vector.hh"
#include "DNA_material_types.h"
#include "IMB_colormanagement.hh"
#include <pxr/base/gf/vec3f.h>
#include <pxr/usd/ar/packageUtils.h>
#include <pxr/usd/usdShade/material.h>
#include <pxr/usd/usdShade/shader.h>
#include "CLG_log.h"

Go to the source code of this file.

Classes
struct	blender::io::usd::IntermediateNode

Namespaces
namespace	usdtokens
namespace	blender
namespace	blender::io
namespace	blender::io::usd

Typedefs
using	ShaderToNodeMap

Functions
static const pxr::TfToken	usdtokens::a ("a", pxr::TfToken::Immortal)
static const pxr::TfToken	usdtokens::b ("b", pxr::TfToken::Immortal)
static const pxr::TfToken	usdtokens::bias ("bias", pxr::TfToken::Immortal)
static const pxr::TfToken	usdtokens::clearcoat ("clearcoat", pxr::TfToken::Immortal)
static const pxr::TfToken	usdtokens::clearcoatRoughness ("clearcoatRoughness", pxr::TfToken::Immortal)
static const pxr::TfToken	usdtokens::diffuseColor ("diffuseColor", pxr::TfToken::Immortal)
static const pxr::TfToken	usdtokens::displacement ("displacement", pxr::TfToken::Immortal)
static const pxr::TfToken	usdtokens::emissiveColor ("emissiveColor", pxr::TfToken::Immortal)
static const pxr::TfToken	usdtokens::file ("file", pxr::TfToken::Immortal)
static const pxr::TfToken	usdtokens::g ("g", pxr::TfToken::Immortal)
static const pxr::TfToken	usdtokens::ior ("ior", pxr::TfToken::Immortal)
static const pxr::TfToken	usdtokens::in ("in", pxr::TfToken::Immortal)
static const pxr::TfToken	usdtokens::metallic ("metallic", pxr::TfToken::Immortal)
static const pxr::TfToken	usdtokens::normal ("normal", pxr::TfToken::Immortal)
static const pxr::TfToken	usdtokens::occlusion ("occlusion", pxr::TfToken::Immortal)
static const pxr::TfToken	usdtokens::opacity ("opacity", pxr::TfToken::Immortal)
static const pxr::TfToken	usdtokens::opacityThreshold ("opacityThreshold", pxr::TfToken::Immortal)
static const pxr::TfToken	usdtokens::r ("r", pxr::TfToken::Immortal)
static const pxr::TfToken	usdtokens::rgb ("rgb", pxr::TfToken::Immortal)
static const pxr::TfToken	usdtokens::rgba ("rgba", pxr::TfToken::Immortal)
static const pxr::TfToken	usdtokens::roughness ("roughness", pxr::TfToken::Immortal)
static const pxr::TfToken	usdtokens::scale ("scale", pxr::TfToken::Immortal)
static const pxr::TfToken	usdtokens::sourceColorSpace ("sourceColorSpace", pxr::TfToken::Immortal)
static const pxr::TfToken	usdtokens::specularColor ("specularColor", pxr::TfToken::Immortal)
static const pxr::TfToken	usdtokens::st ("st", pxr::TfToken::Immortal)
static const pxr::TfToken	usdtokens::varname ("varname", pxr::TfToken::Immortal)
static const pxr::TfToken	usdtokens::auto_ ("auto", pxr::TfToken::Immortal)
static const pxr::TfToken	usdtokens::sRGB ("sRGB", pxr::TfToken::Immortal)
static const pxr::TfToken	usdtokens::raw ("raw", pxr::TfToken::Immortal)
static const pxr::TfToken	usdtokens::RAW ("RAW", pxr::TfToken::Immortal)
static const pxr::TfToken	usdtokens::black ("black", pxr::TfToken::Immortal)
static const pxr::TfToken	usdtokens::clamp ("clamp", pxr::TfToken::Immortal)
static const pxr::TfToken	usdtokens::repeat ("repeat", pxr::TfToken::Immortal)
static const pxr::TfToken	usdtokens::mirror ("mirror", pxr::TfToken::Immortal)
static const pxr::TfToken	usdtokens::wrapS ("wrapS", pxr::TfToken::Immortal)
static const pxr::TfToken	usdtokens::wrapT ("wrapT", pxr::TfToken::Immortal)
static const pxr::TfToken	usdtokens::rotation ("rotation", pxr::TfToken::Immortal)
static const pxr::TfToken	usdtokens::translation ("translation", pxr::TfToken::Immortal)
static const pxr::TfToken	usdtokens::UsdPreviewSurface ("UsdPreviewSurface", pxr::TfToken::Immortal)
static const pxr::TfToken	usdtokens::UsdPrimvarReader_float2 ("UsdPrimvarReader_float2", pxr::TfToken::Immortal)
static const pxr::TfToken	usdtokens::UsdUVTexture ("UsdUVTexture", pxr::TfToken::Immortal)
static const pxr::TfToken	usdtokens::UsdTransform2d ("UsdTransform2d", pxr::TfToken::Immortal)
static bNode *	add_node (bNodeTree *ntree, const int type, const blender::float2 loc)
static void	link_nodes (bNodeTree *ntree, bNode *source, const blender::StringRefNull sock_out, bNode *dest, const blender::StringRefNull sock_in)
static pxr::SdfLayerHandle	get_layer_handle (const pxr::UsdAttribute &attribute)
static blender::Vector< int >	get_udim_tiles (const std::string &file_path)
static void	add_udim_tiles (Image *image, const blender::Vector< int > &indices)
static bool	needs_blend (const pxr::UsdShadeShader &usd_shader)
static float	get_opacity_threshold (const pxr::UsdShadeShader &usd_shader, float default_value=0.0f)
static pxr::TfToken	get_source_color_space (const pxr::UsdShadeShader &usd_shader)
static int	get_image_extension (const pxr::UsdShadeShader &usd_shader, const int default_value)
static bool	get_usd_preview_surface (const pxr::UsdShadeMaterial &usd_material, pxr::UsdShadeShader &r_preview_surface)
static void	set_viewport_material_props (Material *mtl, const pxr::UsdShadeShader &usd_preview)
static pxr::UsdShadeInput	get_input (const pxr::UsdShadeShader &usd_shader, const pxr::TfToken &input_name)
static bNodeSocket *	get_input_socket (bNode *node, const blender::StringRefNull identifier, ReportList *reports)
static IntermediateNode	blender::io::usd::add_normal_map (bNodeTree *ntree, int column, NodePlacementContext &ctx)
static IntermediateNode	blender::io::usd::add_scale_bias (const pxr::UsdShadeShader &usd_shader, bNodeTree *ntree, int column, bool feeds_normal_map, NodePlacementContext &ctx)
static IntermediateNode	blender::io::usd::add_scale_bias_adjust (bNodeTree *ntree, int column, NodePlacementContext &ctx)
static IntermediateNode	blender::io::usd::add_separate_color (const pxr::UsdShadeShader &usd_shader, const pxr::TfToken &usd_source_name, bNodeTree *ntree, int column, NodePlacementContext &ctx)
static IntermediateNode	blender::io::usd::add_lessthan (bNodeTree *ntree, float threshold, int column, NodePlacementContext &ctx)
static IntermediateNode	blender::io::usd::add_oneminus (bNodeTree *ntree, int column, NodePlacementContext &ctx)
static void	blender::io::usd::configure_displacement (const pxr::UsdShadeShader &usd_shader, bNode *displacement_node)
static pxr::UsdShadeShader	blender::io::usd::node_graph_output_source (const pxr::UsdShadeNodeGraph &node_graph, const pxr::TfToken &output_name)
void	blender::io::usd::build_material_map (const Main *bmain, blender::Map< std::string, Material * > &r_mat_map)
Material *	blender::io::usd::find_existing_material (const pxr::SdfPath &usd_mat_path, const USDImportParams &params, const blender::Map< std::string, Material * > &mat_map, const blender::Map< pxr::SdfPath, Material * > &usd_path_to_mat)

Variables
static CLG_LogRef	LOG = {"io.usd"}

Typedef Documentation

ShaderToNodeMap

using blender::io::usd::ShaderToNodeMap

Definition at line 27 of file usd_reader_material.hh.

Function Documentation

add_node()

bNode * add_node ( bNodeTree * ntree, const int type, const blender::float2 loc )

static

Definition at line 102 of file usd_reader_material.cc.

References add_node(), bNode::location, and blender::bke::node_add_static_node().

Referenced by blender::io::usd::add_lessthan(), add_node(), blender::io::usd::add_normal_map(), blender::io::usd::add_oneminus(), blender::io::usd::add_scale_bias(), blender::io::usd::add_scale_bias_adjust(), blender::io::usd::add_separate_color(), blender::io::usd::USDMaterialReader::convert_usd_primvar_reader_float2(), blender::io::usd::USDMaterialReader::convert_usd_primvar_reader_generic(), blender::io::usd::USDMaterialReader::convert_usd_transform_2d(), blender::io::usd::USDMaterialReader::convert_usd_uv_texture(), blender::io::usd::USDMaterialReader::import_usd_preview_nodes(), and blender::io::usd::USDMaterialReader::set_displacement_node_inputs().

add_udim_tiles()

void add_udim_tiles ( Image * image, const blender::Vector< int > & indices )

static

Definition at line 177 of file usd_reader_material.cc.

References add_udim_tiles(), BKE_image_add_tile(), IMA_SRC_TILED, and Image::source.

Referenced by add_udim_tiles(), and blender::io::usd::USDMaterialReader::load_tex_image().

get_image_extension()

int get_image_extension ( const pxr::UsdShadeShader & usd_shader, const int default_value )

static

Definition at line 258 of file usd_reader_material.cc.

References usdtokens::black(), usdtokens::clamp(), get_image_extension(), usdtokens::mirror(), usdtokens::repeat(), SHD_IMAGE_EXTENSION_CLIP, SHD_IMAGE_EXTENSION_EXTEND, SHD_IMAGE_EXTENSION_MIRROR, SHD_IMAGE_EXTENSION_REPEAT, usdtokens::wrapS(), and usdtokens::wrapT().

Referenced by get_image_extension(), and blender::io::usd::USDMaterialReader::load_tex_image().

get_input()

pxr::UsdShadeInput get_input ( const pxr::UsdShadeShader & usd_shader, const pxr::TfToken & input_name )

static

Definition at line 357 of file usd_reader_material.cc.

References get_input(), and input.

Referenced by blender::io::usd::USDMaterialReader::convert_usd_transform_2d(), and get_input().

get_input_socket()

bNodeSocket * get_input_socket ( bNode * node, const blender::StringRefNull identifier, ReportList * reports )

static

Definition at line 378 of file usd_reader_material.cc.

References BKE_reportf(), blender::StringRefNull::c_str(), get_input_socket(), bNode::idname, blender::bke::node_find_socket(), reports, RPT_ERROR, and SOCK_IN.

Referenced by blender::io::usd::USDMaterialReader::convert_usd_transform_2d(), and get_input_socket().

get_layer_handle()

pxr::SdfLayerHandle get_layer_handle ( const pxr::UsdAttribute & attribute )

static

Definition at line 138 of file usd_reader_material.cc.

References get_layer_handle().

Referenced by get_layer_handle(), and blender::io::usd::USDMaterialReader::load_tex_image().

get_opacity_threshold()

float get_opacity_threshold ( const pxr::UsdShadeShader & usd_shader, float default_value = 0.0f )

static

Definition at line 215 of file usd_reader_material.cc.

References get_opacity_threshold(), and usdtokens::opacityThreshold().

Referenced by get_opacity_threshold(), and blender::io::usd::USDMaterialReader::set_principled_node_inputs().

get_source_color_space()

pxr::TfToken get_source_color_space ( const pxr::UsdShadeShader & usd_shader )

static

Definition at line 238 of file usd_reader_material.cc.

References get_source_color_space(), and usdtokens::sourceColorSpace().

Referenced by get_source_color_space(), and blender::io::usd::USDMaterialReader::load_tex_image().

get_udim_tiles()

blender::Vector< int > get_udim_tiles ( const std::string & file_path )

static

Definition at line 153 of file usd_reader_material.cc.

References blender::Vector< T, InlineBufferCapacity, Allocator >::append(), BKE_image_get_tile_info(), BLI_freelistN(), FILE_MAX, get_udim_tiles(), LISTBASE_FOREACH, POINTER_AS_INT, result, STRNCPY(), tile, and tiles.

Referenced by get_udim_tiles(), and blender::io::usd::USDMaterialReader::load_tex_image().

get_usd_preview_surface()

bool get_usd_preview_surface ( const pxr::UsdShadeMaterial & usd_material, pxr::UsdShadeShader & r_preview_surface )

static

Definition at line 299 of file usd_reader_material.cc.

References get_usd_preview_surface(), and usdtokens::UsdPreviewSurface().

Referenced by get_usd_preview_surface(), and blender::io::usd::USDMaterialReader::import_usd_preview().

link_nodes()

void link_nodes ( bNodeTree * ntree, bNode * source, const blender::StringRefNull sock_out, bNode * dest, const blender::StringRefNull sock_in )

static

Definition at line 112 of file usd_reader_material.cc.

References blender::StringRefNull::c_str(), CLOG_ERROR, link_nodes(), LOG, blender::bke::node_add_link(), blender::bke::node_count_socket_links(), blender::bke::node_find_socket(), SOCK_IN, and SOCK_OUT.

Referenced by blender::io::usd::USDMaterialReader::convert_usd_primvar_reader_float2(), blender::io::usd::USDMaterialReader::convert_usd_primvar_reader_generic(), blender::io::usd::USDMaterialReader::convert_usd_transform_2d(), blender::io::usd::USDMaterialReader::convert_usd_uv_texture(), blender::io::usd::USDMaterialReader::follow_connection(), blender::io::usd::USDMaterialReader::import_usd_preview_nodes(), link_nodes(), and blender::io::usd::USDMaterialReader::set_displacement_node_inputs().

needs_blend()

bool needs_blend ( const pxr::UsdShadeShader & usd_shader )

static

Definition at line 188 of file usd_reader_material.cc.

References needs_blend(), and usdtokens::opacity().

Referenced by blender::io::usd::USDMaterialReader::import_usd_preview_nodes(), and needs_blend().

set_viewport_material_props()

void set_viewport_material_props ( Material * mtl, const pxr::UsdShadeShader & usd_preview )

static

Definition at line 320 of file usd_reader_material.cc.

References Material::b, usdtokens::diffuseColor(), Material::g, Material::metallic, usdtokens::metallic(), Material::r, Material::roughness, usdtokens::roughness(), and set_viewport_material_props().

Referenced by blender::io::usd::USDMaterialReader::import_usd_preview(), and set_viewport_material_props().

Variable Documentation

LOG

CLG_LogRef LOG = {"io.usd"}

static

Definition at line 41 of file usd_reader_material.cc.