1 #include <msp/core/algorithm.h>
10 Program::Program(const Module &mod, const map<string, int> &spec_values)
12 add_stages(mod, spec_values);
15 Program::Program(Program &&other):
16 ProgramBackend(move(other)),
17 reflect_data(move(other.reflect_data)),
18 specialized_spirv(other.specialized_spirv)
20 other.specialized_spirv = 0;
25 delete specialized_spirv;
28 void Program::add_stages(const Module &mod, const map<string, int> &spec_values)
31 throw invalid_operation("Program::add_stages");
33 reflect_data = ReflectData();
34 const Module *final_module = &mod;
36 TransientData transient;
37 switch(mod.get_format())
40 add_glsl_stages(static_cast<const GlslModule &>(mod), spec_values, transient);
43 if(!spec_values.empty())
45 specialized_spirv = static_cast<const SpirVModule &>(mod).specialize(spec_values);
46 final_module = specialized_spirv;
48 add_spirv_stages(*static_cast<const SpirVModule *>(final_module), spec_values);
51 throw invalid_argument("Program::add_stages");
54 finalize(*final_module, transient);
56 if(final_module->get_format()==Module::SPIR_V)
58 const SpirVModule &spirv_mod = *static_cast<const SpirVModule *>(final_module);
59 collect_uniforms(spirv_mod);
60 collect_attributes(spirv_mod);
61 collect_builtins(spirv_mod);
66 for(const ReflectData::UniformInfo &u: reflect_data.uniforms)
68 for(const ReflectData::AttributeInfo &a: reflect_data.attributes)
72 void Program::collect_uniforms(const SpirVModule &mod)
74 // Prepare the default block
75 reflect_data.uniform_blocks.emplace_back();
76 vector<vector<string> > block_uniform_names(1);
78 unsigned n_descriptor_sets = 0;
79 for(const SpirVModule::Variable &v: mod.get_variables())
81 if((v.storage==SpirVModule::UNIFORM || v.storage==SpirVModule::PUSH_CONSTANT) && v.struct_type)
83 reflect_data.uniform_blocks.emplace_back();
84 ReflectData::UniformBlockInfo &info = reflect_data.uniform_blocks.back();
85 info.name = v.struct_type->name;
86 if(v.storage==SpirVModule::PUSH_CONSTANT)
87 info.bind_point = ReflectData::PUSH_CONSTANT;
91 info.bind_point = v.binding | (v.descriptor_set<<20);
93 info.bind_point = ReflectData::DEFAULT_BLOCK;
94 n_descriptor_sets = max(n_descriptor_sets, v.descriptor_set+1);
96 info.data_size = v.struct_type->size;
100 prefix = v.struct_type->name+".";
101 block_uniform_names.emplace_back();
102 collect_block_uniforms(*v.struct_type, prefix, 0, block_uniform_names.back());
104 else if(v.storage==SpirVModule::UNIFORM_CONSTANT && (v.location>=0 || v.binding>=0))
106 block_uniform_names[0].push_back(v.name);
107 reflect_data.uniforms.emplace_back();
108 ReflectData::UniformInfo &info = reflect_data.uniforms.back();
111 info.location = v.location;
113 info.binding = v.binding | (v.descriptor_set<<20);
114 n_descriptor_sets = max(n_descriptor_sets, v.descriptor_set+1);
115 info.array_size = max(v.array_size, 1U);
120 sort_member(reflect_data.uniforms, &ReflectData::UniformInfo::tag);
122 if(block_uniform_names.front().empty())
124 reflect_data.uniform_blocks.erase(reflect_data.uniform_blocks.begin());
125 block_uniform_names.erase(block_uniform_names.begin());
128 for(unsigned i=0; i<reflect_data.uniform_blocks.size(); ++i)
130 ReflectData::UniformBlockInfo &block = reflect_data.uniform_blocks[i];
131 for(const string &n: block_uniform_names[i])
133 // The element is already known to be present
134 ReflectData::UniformInfo &uni = *lower_bound_member(reflect_data.uniforms, Tag(n), &ReflectData::UniformInfo::tag);
135 block.uniforms.push_back(&uni);
138 block.sort_uniforms();
139 block.update_layout_hash();
142 reflect_data.n_descriptor_sets = n_descriptor_sets;
143 reflect_data.update_layout_hash();
146 void Program::collect_block_uniforms(const SpirVModule::Structure &strct, const string &prefix, unsigned base_offset, vector<string> &uniform_names)
148 for(const SpirVModule::StructMember &m: strct.members)
150 unsigned offset = base_offset+m.offset;
155 for(unsigned j=0; j<m.array_size; ++j, offset+=m.array_stride)
156 collect_block_uniforms(*m.struct_type, format("%s%s[%d].", prefix, m.name, j), offset, uniform_names);
159 collect_block_uniforms(*m.struct_type, prefix+m.name+".", offset, uniform_names);
163 string name = prefix+m.name;
164 uniform_names.push_back(name);
165 reflect_data.uniforms.emplace_back();
166 ReflectData::UniformInfo &info = reflect_data.uniforms.back();
169 info.offset = offset;
170 info.array_size = max(m.array_size, 1U);
171 info.array_stride = m.array_stride;
172 info.matrix_stride = m.matrix_stride;
178 void Program::collect_attributes(const SpirVModule &mod)
180 for(const SpirVModule::EntryPoint &e: mod.get_entry_points())
181 if(e.stage==SpirVModule::VERTEX && e.name=="main")
183 for(const SpirVModule::Variable *v: e.globals)
184 if(v->storage==SpirVModule::INPUT)
186 reflect_data.attributes.emplace_back();
187 ReflectData::AttributeInfo &info = reflect_data.attributes.back();
189 info.location = v->location;
190 info.array_size = v->array_size;
196 void Program::collect_builtins(const SpirVModule &mod)
198 for(const SpirVModule::Variable &v: mod.get_variables())
199 if(v.storage==SpirVModule::OUTPUT && v.struct_type)
200 collect_builtins(*v.struct_type);
203 void Program::collect_builtins(const SpirVModule::Structure &strct)
205 for(const SpirVModule::StructMember &m: strct.members)
206 if(m.builtin==SpirVModule::CLIP_DISTANCE)
207 reflect_data.n_clip_distances = m.array_size;
210 const ReflectData::UniformBlockInfo &Program::get_uniform_block_info(const string &name) const
212 auto i = find_member(reflect_data.uniform_blocks, name, &ReflectData::UniformBlockInfo::name);
213 if(i==reflect_data.uniform_blocks.end())
214 throw key_error(name);
218 const ReflectData::UniformInfo &Program::get_uniform_info(const string &name) const
220 auto i = lower_bound_member(reflect_data.uniforms, Tag(name), &ReflectData::UniformInfo::tag);
221 if(i==reflect_data.uniforms.end() || i->name!=name)
222 throw key_error(name);
226 const ReflectData::UniformInfo &Program::get_uniform_info(Tag tag) const
228 auto i = lower_bound_member(reflect_data.uniforms, tag, &ReflectData::UniformInfo::tag);
229 if(i==reflect_data.uniforms.end() || i->tag!=tag)
230 throw key_error(tag);
234 int Program::get_uniform_location(const string &name) const
236 if(name[name.size()-1]==']')
237 throw invalid_argument("Program::get_uniform_location");
239 auto i = lower_bound_member(reflect_data.uniforms, Tag(name), &ReflectData::UniformInfo::tag);
240 return i!=reflect_data.uniforms.end() && i->name==name && i->block->bind_point<0 ? i->location : -1;
243 int Program::get_uniform_location(Tag tag) const
245 auto i = lower_bound_member(reflect_data.uniforms, tag, &ReflectData::UniformInfo::tag);
246 return i!=reflect_data.uniforms.end() && i->tag==tag && i->block->bind_point<0 ? i->location : -1;
249 int Program::get_uniform_binding(Tag tag) const
251 auto i = lower_bound_member(reflect_data.uniforms, tag, &ReflectData::UniformInfo::tag);
252 return i!=reflect_data.uniforms.end() && i->tag==tag ? i->binding : -1;
255 const ReflectData::AttributeInfo &Program::get_attribute_info(const string &name) const
257 auto i = lower_bound_member(reflect_data.attributes, name, &ReflectData::AttributeInfo::name);
258 if(i==reflect_data.attributes.end() || i->name!=name)
259 throw key_error(name);
263 int Program::get_attribute_location(const string &name) const
265 if(name[name.size()-1]==']')
266 throw invalid_argument("Program::get_attribute_location");
268 auto i = lower_bound_member(reflect_data.attributes, name, &ReflectData::AttributeInfo::name);
269 return i!=reflect_data.attributes.end() && i->name==name ? i->location : -1;
273 Program::Loader::Loader(Program &p, Collection &c):
274 DataFile::CollectionObjectLoader<Program>(p, &c)
276 add("module", &Loader::module);
279 void Program::Loader::module(const string &n)
281 map<string, int> spec_values;
282 SpecializationLoader ldr(spec_values);
284 obj.add_stages(get_collection().get<Module>(n), spec_values);
288 DataFile::Loader::ActionMap Program::SpecializationLoader::shared_actions;
290 Program::SpecializationLoader::SpecializationLoader(map<string, int> &sv):
293 set_actions(shared_actions);
296 void Program::SpecializationLoader::init_actions()
298 add("specialize", &SpecializationLoader::specialize_bool);
299 add("specialize", &SpecializationLoader::specialize_int);
302 void Program::SpecializationLoader::specialize_bool(const string &name, bool value)
304 spec_values[name] = value;
307 void Program::SpecializationLoader::specialize_int(const string &name, int value)
309 spec_values[name] = value;