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 void Program::add_stages(const Module &mod, const map<string, int> &spec_values)
18 throw invalid_operation("Program::add_stages");
20 TransientData transient;
21 switch(mod.get_format())
24 add_glsl_stages(static_cast<const GlslModule &>(mod), spec_values, transient);
27 add_spirv_stages(static_cast<const SpirVModule &>(mod), spec_values, transient);
30 throw invalid_argument("Program::add_stages");
33 reflect_data = ReflectData();
37 if(mod.get_format()==Module::GLSL)
41 apply_bindings(transient);
43 else if(mod.get_format()==Module::SPIR_V)
45 collect_uniforms(static_cast<const SpirVModule &>(mod), transient.spec_values);
46 collect_attributes(static_cast<const SpirVModule &>(mod));
49 for(const ReflectData::UniformInfo &u: reflect_data.uniforms)
51 for(const ReflectData::AttributeInfo &a: reflect_data.attributes)
55 void Program::collect_uniforms(const SpirVModule &mod, const map<unsigned, int> &spec_values)
57 // Prepare the default block
58 reflect_data.uniform_blocks.push_back(ReflectData::UniformBlockInfo());
59 vector<vector<string> > block_uniform_names(1);
61 for(const SpirVModule::Variable &v: mod.get_variables())
63 if(v.storage==SpirVModule::UNIFORM && v.struct_type)
65 reflect_data.uniform_blocks.push_back(ReflectData::UniformBlockInfo());
66 ReflectData::UniformBlockInfo &info = reflect_data.uniform_blocks.back();
67 info.name = v.struct_type->name;
68 info.bind_point = v.binding;
69 info.data_size = v.struct_type->size;
73 prefix = v.struct_type->name+".";
74 block_uniform_names.push_back(vector<string>());
75 collect_block_uniforms(*v.struct_type, prefix, 0, spec_values, block_uniform_names.back());
77 else if(v.storage==SpirVModule::UNIFORM_CONSTANT && v.location>=0)
79 block_uniform_names[0].push_back(v.name);
80 reflect_data.uniforms.push_back(ReflectData::UniformInfo());
81 ReflectData::UniformInfo &info = reflect_data.uniforms.back();
84 info.location = v.location;
85 info.binding = v.binding;
86 info.array_size = v.array_size;
91 sort_member(reflect_data.uniforms, &ReflectData::UniformInfo::tag);
93 for(unsigned i=0; i<reflect_data.uniform_blocks.size(); ++i)
95 ReflectData::UniformBlockInfo &block = reflect_data.uniform_blocks[i];
96 for(const string &n: block_uniform_names[i])
98 // The element is already known to be present
99 ReflectData::UniformInfo &uni = *lower_bound_member(reflect_data.uniforms, Tag(n), &ReflectData::UniformInfo::tag);
100 block.uniforms.push_back(&uni);
103 block.sort_uniforms();
104 block.update_layout_hash();
107 reflect_data.update_layout_hash();
110 void Program::collect_block_uniforms(const SpirVModule::Structure &strct, const string &prefix, unsigned base_offset, const map<unsigned, int> &spec_values, vector<string> &uniform_names)
112 for(const SpirVModule::StructMember &m: strct.members)
114 unsigned offset = base_offset+m.offset;
117 unsigned array_size = m.array_size;
118 if(m.array_size_spec)
120 array_size = m.array_size_spec->i_value;
121 auto j = spec_values.find(m.array_size_spec->constant_id);
122 if(j!=spec_values.end())
123 array_size = j->second;
128 for(unsigned j=0; j<array_size; ++j, offset+=m.array_stride)
129 collect_block_uniforms(*m.struct_type, format("%s%s[%d].", prefix, m.name, j), offset, spec_values, uniform_names);
132 collect_block_uniforms(*m.struct_type, prefix+m.name+".", offset, spec_values, uniform_names);
136 string name = prefix+m.name;
137 uniform_names.push_back(name);
138 reflect_data.uniforms.push_back(ReflectData::UniformInfo());
139 ReflectData::UniformInfo &info = reflect_data.uniforms.back();
142 info.offset = offset;
143 info.array_size = m.array_size;
144 info.array_stride = m.array_stride;
145 info.matrix_stride = m.matrix_stride;
151 void Program::collect_attributes(const SpirVModule &mod)
153 for(const SpirVModule::EntryPoint &e: mod.get_entry_points())
154 if(e.stage==SpirVModule::VERTEX && e.name=="main")
156 for(const SpirVModule::Variable *v: e.globals)
157 if(v->storage==SpirVModule::INPUT)
159 reflect_data.attributes.push_back(ReflectData::AttributeInfo());
160 ReflectData::AttributeInfo &info = reflect_data.attributes.back();
162 info.location = v->location;
163 info.array_size = v->array_size;
169 const ReflectData::UniformBlockInfo &Program::get_uniform_block_info(const string &name) const
171 auto i = find_member(reflect_data.uniform_blocks, name, &ReflectData::UniformBlockInfo::name);
172 if(i==reflect_data.uniform_blocks.end())
173 throw key_error(name);
177 const ReflectData::UniformInfo &Program::get_uniform_info(const string &name) const
179 auto i = lower_bound_member(reflect_data.uniforms, Tag(name), &ReflectData::UniformInfo::tag);
180 if(i==reflect_data.uniforms.end() || i->name!=name)
181 throw key_error(name);
185 const ReflectData::UniformInfo &Program::get_uniform_info(Tag tag) const
187 auto i = lower_bound_member(reflect_data.uniforms, tag, &ReflectData::UniformInfo::tag);
188 if(i==reflect_data.uniforms.end() || i->tag!=tag)
189 throw key_error(tag);
193 int Program::get_uniform_location(const string &name) const
195 if(name[name.size()-1]==']')
196 throw invalid_argument("Program::get_uniform_location");
198 auto i = lower_bound_member(reflect_data.uniforms, Tag(name), &ReflectData::UniformInfo::tag);
199 return i!=reflect_data.uniforms.end() && i->name==name && i->block->bind_point<0 ? i->location : -1;
202 int Program::get_uniform_location(Tag tag) const
204 auto i = lower_bound_member(reflect_data.uniforms, tag, &ReflectData::UniformInfo::tag);
205 return i!=reflect_data.uniforms.end() && i->tag==tag && i->block->bind_point<0 ? i->location : -1;
208 int Program::get_uniform_binding(Tag tag) const
210 auto i = lower_bound_member(reflect_data.uniforms, tag, &ReflectData::UniformInfo::tag);
211 return i!=reflect_data.uniforms.end() && i->tag==tag ? i->binding : -1;
214 const ReflectData::AttributeInfo &Program::get_attribute_info(const string &name) const
216 auto i = lower_bound_member(reflect_data.attributes, name, &ReflectData::AttributeInfo::name);
217 if(i==reflect_data.attributes.end() || i->name!=name)
218 throw key_error(name);
222 int Program::get_attribute_location(const string &name) const
224 if(name[name.size()-1]==']')
225 throw invalid_argument("Program::get_attribute_location");
227 auto i = lower_bound_member(reflect_data.attributes, name, &ReflectData::AttributeInfo::name);
228 return i!=reflect_data.attributes.end() && i->name==name ? i->location : -1;
232 Program::Loader::Loader(Program &p, Collection &c):
233 DataFile::CollectionObjectLoader<Program>(p, &c)
235 add("module", &Loader::module);
238 void Program::Loader::module(const string &n)
240 map<string, int> spec_values;
241 SpecializationLoader ldr(spec_values);
243 obj.add_stages(get_collection().get<Module>(n), spec_values);
247 DataFile::Loader::ActionMap Program::SpecializationLoader::shared_actions;
249 Program::SpecializationLoader::SpecializationLoader(map<string, int> &sv):
252 set_actions(shared_actions);
255 void Program::SpecializationLoader::init_actions()
257 add("specialize", &SpecializationLoader::specialize_bool);
258 add("specialize", &SpecializationLoader::specialize_int);
261 void Program::SpecializationLoader::specialize_bool(const string &name, bool value)
263 spec_values[name] = value;
266 void Program::SpecializationLoader::specialize_int(const string &name, int value)
268 spec_values[name] = value;