void InputBinder::build_assembly_symbol_table(
const Assembly& assembly,
SymbolTable& symbols)
{
try
{
insert_entities(symbols, assembly.colors(), SymbolTable::SymbolColor);
insert_entities(symbols, assembly.textures(), SymbolTable::SymbolTexture);
insert_entities(symbols, assembly.texture_instances(), SymbolTable::SymbolTextureInstance);
insert_entities(symbols, assembly.bsdfs(), SymbolTable::SymbolBSDF);
insert_entities(symbols, assembly.bssrdfs(), SymbolTable::SymbolBSSRDF);
insert_entities(symbols, assembly.edfs(), SymbolTable::SymbolEDF);
#ifdef APPLESEED_WITH_OSL
insert_entities(symbols, assembly.shader_groups(), SymbolTable::SymbolShaderGroup);
#endif
insert_entities(symbols, assembly.surface_shaders(), SymbolTable::SymbolSurfaceShader);
insert_entities(symbols, assembly.materials(), SymbolTable::SymbolMaterial);
insert_entities(symbols, assembly.lights(), SymbolTable::SymbolLight);
insert_entities(symbols, assembly.objects(), SymbolTable::SymbolObject);
insert_entities(symbols, assembly.object_instances(), SymbolTable::SymbolObjectInstance);
}
catch (const SymbolTable::ExceptionDuplicateSymbol& e)
{
RENDERER_LOG_ERROR("duplicate entity \"%s\".", e.string());
++m_error_count;
}
}
void InputBinder::bind_assembly_entity_to_input(
const Scene& scene,
const SymbolTable& scene_symbols,
const Assembly& assembly,
const SymbolTable& assembly_symbols,
const char* entity_type,
const char* entity_name,
const char* param_value,
InputArray::iterator& input)
{
switch (assembly_symbols.lookup(param_value))
{
case SymbolTable::SymbolColor:
bind_color_to_input(
assembly.colors(),
param_value,
input);
break;
case SymbolTable::SymbolTextureInstance:
bind_texture_instance_to_input(
assembly.textures(),
assembly.texture_instances(),
assembly.get_uid(),
entity_type,
entity_name,
param_value,
input);
break;
case SymbolTable::SymbolNotFound:
// No entity with this name was found in this scope.
// Attempt to bind the input to a scene entity.
bind_scene_entity_to_input(
scene,
scene_symbols,
entity_type,
entity_name,
param_value,
input);
break;
default:
RENDERER_LOG_ERROR(
"while defining %s \"%s\": cannot bind \"%s\" to parameter \"%s\".",
entity_type,
entity_name,
param_value,
input.name());
++m_error_count;
break;
}
}
void collect_relations_from_assembly(Assembly& assembly)
{
collect_relations_from(assembly.colors());
collect_relations_from(assembly.textures());
collect_relations_from(assembly.texture_instances());
collect_relations_from(assembly.shader_groups());
collect_relations_from(assembly.assembly_instances());
collect_relations_from(assembly.bsdfs());
collect_relations_from(assembly.bssrdfs());
collect_relations_from(assembly.edfs());
collect_relations_from(assembly.surface_shaders());
collect_relations_from(assembly.materials());
collect_relations_from(assembly.lights());
collect_relations_from(assembly.objects());
collect_relations_from(assembly.object_instances());
collect_relations_from(assembly.volumes());
for (auto& child_assembly : assembly.assemblies())
collect_relations_from_assembly(child_assembly);
// Lights are implicitly referenced by their parent assembly.
for (auto& light : assembly.lights())
{
const InputBinder::ReferencedEntity referenced_entity(assembly.lights(), &light);
insert_relation(referenced_entity, assembly);
}
// Object instances are implicitly referenced by their parent assembly.
for (auto& object_instance : assembly.object_instances())
{
const InputBinder::ReferencedEntity referenced_entity(assembly.object_instances(), &object_instance);
insert_relation(referenced_entity, assembly);
}
// Assembly instances are implicitly referenced by their parent assembly.
for (auto& assembly_instance : assembly.assembly_instances())
{
const InputBinder::ReferencedEntity referenced_entity(assembly.assembly_instances(), &assembly_instance);
insert_relation(referenced_entity, assembly);
}
}
void remove_unused_entities_from_assembly(Assembly& assembly)
{
remove_unused_entities_from(assembly.colors());
remove_unused_entities_from(assembly.textures());
remove_unused_entities_from(assembly.texture_instances());
remove_unused_entities_from(assembly.shader_groups());
remove_unused_entities_from(assembly.assembly_instances());
remove_unused_entities_from(assembly.bsdfs());
remove_unused_entities_from(assembly.bssrdfs());
remove_unused_entities_from(assembly.edfs());
remove_unused_entities_from(assembly.surface_shaders());
remove_unused_entities_from(assembly.materials());
remove_unused_entities_from(assembly.lights());
remove_unused_entities_from(assembly.objects());
remove_unused_entities_from(assembly.object_instances());
remove_unused_entities_from(assembly.volumes());
for (auto& child_assembly : assembly.assemblies())
remove_unused_entities_from_assembly(child_assembly);
}
bool InputBinder::try_bind_assembly_entity_to_input(
const Scene& scene,
const SymbolTable& scene_symbols,
const Assembly& assembly,
const SymbolTable& assembly_symbols,
const char* entity_type,
const char* entity_name,
const char* param_value,
InputArray::iterator& input)
{
if (input.format() == InputFormatEntity)
{
#define BIND(symbol, collection) \
case symbol: \
input.bind(collection.get_by_name(param_value)); \
return true
switch (assembly_symbols.lookup(param_value))
{
BIND(SymbolTable::SymbolColor, assembly.colors());
BIND(SymbolTable::SymbolTexture, assembly.textures());
BIND(SymbolTable::SymbolTextureInstance, assembly.texture_instances());
BIND(SymbolTable::SymbolBSDF, assembly.bsdfs());
BIND(SymbolTable::SymbolBSSRDF, assembly.bssrdfs());
BIND(SymbolTable::SymbolEDF, assembly.edfs());
#ifdef APPLESEED_WITH_OSL
BIND(SymbolTable::SymbolShaderGroup, assembly.shader_groups());
#endif
BIND(SymbolTable::SymbolSurfaceShader, assembly.surface_shaders());
BIND(SymbolTable::SymbolMaterial, assembly.materials());
BIND(SymbolTable::SymbolLight, assembly.lights());
BIND(SymbolTable::SymbolObject, assembly.objects());
BIND(SymbolTable::SymbolObjectInstance, assembly.object_instances());
}
#undef BIND
}
else
{
switch (assembly_symbols.lookup(param_value))
{
case SymbolTable::SymbolColor:
bind_color_to_input(
assembly.colors(),
param_value,
input);
return true;
case SymbolTable::SymbolTextureInstance:
bind_texture_instance_to_input(
assembly.texture_instances(),
assembly.get_uid(),
entity_type,
entity_name,
param_value,
input);
return true;
}
}
return false;
}
void InputBinder::bind_assembly_entities_inputs(
const Scene& scene,
const SymbolTable& scene_symbols,
const Assembly& assembly)
{
// Build the symbol table of the assembly.
SymbolTable assembly_symbols;
build_assembly_symbol_table(assembly, assembly_symbols);
// Push the assembly and its symbol table to the stack.
AssemblyInfo info;
info.m_assembly = &assembly;
info.m_assembly_symbols = &assembly_symbols;
m_assembly_info.push_back(info);
// Bind textures to texture instances.
// Other entities might need to access the textures bound to texture instances,
// so binding of textures to texture instances must come first.
for (each<TextureInstanceContainer> i = assembly.texture_instances(); i; ++i)
{
i->unbind_texture();
for (AssemblyInfoIt j = m_assembly_info.rbegin(); j != m_assembly_info.rend(); ++j)
i->bind_texture(j->m_assembly->textures());
i->bind_texture(scene.textures());
i->check_texture();
}
// Bind BSDFs inputs.
for (each<BSDFContainer> i = assembly.bsdfs(); i; ++i)
{
bind_assembly_entity_inputs(
scene,
scene_symbols,
SymbolTable::symbol_name(SymbolTable::SymbolBSDF),
*i);
}
// Bind BSSRDFs inputs.
for (each<BSSRDFContainer> i = assembly.bssrdfs(); i; ++i)
{
bind_assembly_entity_inputs(
scene,
scene_symbols,
SymbolTable::symbol_name(SymbolTable::SymbolBSSRDF),
*i);
}
// Bind EDFs inputs.
for (each<EDFContainer> i = assembly.edfs(); i; ++i)
{
bind_assembly_entity_inputs(
scene,
scene_symbols,
SymbolTable::symbol_name(SymbolTable::SymbolEDF),
*i);
}
#ifdef APPLESEED_WITH_OSL
// Bind ShaderGroups inputs.
for (each<ShaderGroupContainer> i = assembly.shader_groups(); i; ++i)
{
bind_assembly_entity_inputs(
scene,
scene_symbols,
SymbolTable::symbol_name(SymbolTable::SymbolShaderGroup),
*i);
}
#endif
// Bind surface shaders inputs.
for (each<SurfaceShaderContainer> i = assembly.surface_shaders(); i; ++i)
{
bind_assembly_entity_inputs(
scene,
scene_symbols,
SymbolTable::symbol_name(SymbolTable::SymbolSurfaceShader),
*i);
}
// Bind materials inputs.
for (each<MaterialContainer> i = assembly.materials(); i; ++i)
{
bind_assembly_entity_inputs(
scene,
scene_symbols,
SymbolTable::symbol_name(SymbolTable::SymbolMaterial),
*i);
}
// Bind lights inputs.
for (each<LightContainer> i = assembly.lights(); i; ++i)
{
bind_assembly_entity_inputs(
scene,
scene_symbols,
SymbolTable::symbol_name(SymbolTable::SymbolLight),
*i);
}
// Bind objects inputs.
for (each<ObjectContainer> i = assembly.objects(); i; ++i)
{
bind_assembly_entity_inputs(
scene,
scene_symbols,
SymbolTable::symbol_name(SymbolTable::SymbolObject),
*i);
}
// Bind objects to object instances. This must be done before binding materials.
for (each<ObjectInstanceContainer> i = assembly.object_instances(); i; ++i)
{
i->unbind_object();
for (AssemblyInfoIt j = m_assembly_info.rbegin(); j != m_assembly_info.rend(); ++j)
i->bind_object(j->m_assembly->objects());
i->check_object();
}
// Bind materials to object instances.
for (each<ObjectInstanceContainer> i = assembly.object_instances(); i; ++i)
{
i->unbind_materials();
for (AssemblyInfoIt j = m_assembly_info.rbegin(); j != m_assembly_info.rend(); ++j)
i->bind_materials(j->m_assembly->materials());
i->check_materials();
}
// Bind assemblies to assembly instances.
for (each<AssemblyInstanceContainer> i = assembly.assembly_instances(); i; ++i)
{
i->unbind_assembly();
for (AssemblyInfoIt j = m_assembly_info.rbegin(); j != m_assembly_info.rend(); ++j)
i->bind_assembly(j->m_assembly->assemblies());
i->bind_assembly(scene.assemblies());
i->check_assembly();
}
// Recurse into child assemblies.
for (const_each<AssemblyContainer> i = assembly.assemblies(); i; ++i)
bind_assembly_entities_inputs(scene, scene_symbols, *i);
// Pop the information about this assembly from the stack.
m_assembly_info.pop_back();
}
void initialize_assembly(
Project& project,
Assembly& assembly,
const size_t image_width,
const size_t image_height) override
{
assembly.textures().insert(
DiskTexture2dFactory().create(
"cubes_texture",
ParamArray()
.insert("filename", "heightfield.png")
.insert("color_space", "srgb"),
project.search_paths()));
assembly.texture_instances().insert(
TextureInstanceFactory::create(
"cubes_texture_instance",
ParamArray()
.insert("filtering_mode", "nearest")
.insert("addressing_mode", "wrap"),
"cubes_texture"));
assembly.bsdfs().insert(
DisneyBRDFFactory().create(
"cubes_brdf",
ParamArray()
.insert("anisotropic", 0.0)
.insert("base_color", "cubes_texture_instance")
.insert("clearcoat", 1.0)
.insert("clearcoat_gloss", 0.9)
.insert("metallic", 0.0)
.insert("roughness", 0.3)
.insert("sheen", 0.0)
.insert("sheen_tint", 0.0)
.insert("specular", 0.9)
.insert("specular_tint", 1.0)
.insert("subsurface", 1.0)));
assembly.surface_shaders().insert(
PhysicalSurfaceShaderFactory().create(
"physical_surface_shader",
ParamArray()));
assembly.materials().insert(
GenericMaterialFactory().create(
"cubes_material",
ParamArray()
.insert("surface_shader", "physical_surface_shader")
.insert("bsdf", "cubes_brdf")));
// Load the cube mesh object from disk.
MeshObjectArray objects;
MeshObjectReader::read(
project.search_paths(),
"cube",
ParamArray()
.insert("filename", "cube.obj"),
objects);
assert(objects.size() == 1);
m_cube.reset(objects[0]);
// Create the baked mesh object.
m_mesh = MeshObjectFactory().create("cubes", ParamArray());
// Reserve memory into the baked mesh object.
const size_t cube_count = image_width * image_height;
m_mesh->reserve_vertices(m_cube->get_vertex_count() * cube_count);
m_mesh->reserve_vertex_normals(m_cube->get_vertex_normal_count() * cube_count);
m_mesh->reserve_tex_coords(cube_count);
m_mesh->reserve_triangles(m_cube->get_triangle_count() * cube_count);
}
