5 #include "resourcemanager.h"
12 Mesh::Mesh(ResourceManager *rm)
17 Mesh::Mesh(const VertexFormat &f, ResourceManager *rm)
23 void Mesh::init(ResourceManager *rm)
28 disallow_rendering = false;
29 face_winding = NON_MANIFOLD;
43 void Mesh::storage(const VertexFormat &fmt)
45 if(!vertices.get_format().empty())
46 throw invalid_operation("Mesh::storage");
48 vertices.set_format(fmt);
49 vtx_setup.set_format(fmt);
58 void Mesh::check_buffers(unsigned mask)
60 if(mask&VERTEX_BUFFER)
62 unsigned req_size = vertices.get_required_buffer_size();
63 if(!vbuf || (vbuf->get_size()>0 && vbuf->get_size()<req_size))
67 vertices.use_buffer(vbuf);
68 vtx_setup.set_vertex_array(vertices);
69 dirty |= VERTEX_BUFFER;
72 if(!debug_name.empty())
73 vbuf->set_debug_name(debug_name+" [VBO]");
80 unsigned req_size = (batches.empty() ? 0 : batches.front().get_required_buffer_size());
81 if(!ibuf || (ibuf->get_size()>0 && ibuf->get_size()<req_size))
86 batches.front().change_buffer(ibuf);
87 dirty |= INDEX_BUFFER;
90 if(!debug_name.empty())
91 vbuf->set_debug_name(debug_name+" [IBO]");
96 vtx_setup.set_index_buffer(*ibuf, batches.front().get_index_type());
100 unsigned Mesh::get_n_vertices() const
102 return vertices.size();
105 char *Mesh::modify_vertex(unsigned i)
107 if(vertices.get_format().empty())
108 throw invalid_operation("Mesh::modify_vertex");
109 return vertices.modify(i);
112 void Mesh::add_batch(const Batch &b)
116 batches.push_back(b);
118 batches.back().use_buffer(ibuf);
120 else if(batches.back().can_append(b.get_type()))
121 batches.back().append(b);
124 bool reallocate = (batches.size()==batches.capacity());
127 for(auto i=batches.end(); i!=batches.begin(); )
128 (--i)->use_buffer(0);
131 Batch *prev = &batches.back();
132 batches.push_back(b);
136 for(Batch &a: batches)
138 a.use_buffer(ibuf, prev);
143 batches.back().use_buffer(ibuf, prev);
146 DataType existing_type = batches.front().get_index_type();
147 DataType added_type = batches.back().get_index_type();
148 if(existing_type!=added_type)
150 if(get_type_size(existing_type)>get_type_size(added_type))
151 batches.back().set_index_type(existing_type);
154 for(Batch &a: batches)
155 a.set_index_type(added_type);
159 check_buffers(INDEX_BUFFER);
162 void Mesh::set_winding(FaceWinding w)
167 void Mesh::draw(Renderer &renderer) const
169 draw(renderer, 0, 0);
172 void Mesh::draw_instanced(Renderer &renderer, const VertexSetup &vs, unsigned count) const
174 if(vs.get_vertex_array()!=&vertices)
175 throw invalid_argument("Mesh::draw_instanced");
177 draw(renderer, &vs, count);
180 void Mesh::draw(Renderer &renderer, const VertexSetup *vs, unsigned count) const
184 manager->resource_used(*this);
185 if(disallow_rendering)
195 renderer.set_vertex_setup(vs ? vs : &vtx_setup);
196 renderer.set_front_face(face_winding);
200 for(const Batch &b: batches)
205 for(const Batch &b: batches)
206 renderer.draw_instanced(b, count);
210 void Mesh::resize_buffers() const
212 if(dirty&VERTEX_BUFFER)
213 vbuf->storage(vertices.get_required_buffer_size());
214 if((dirty&INDEX_BUFFER) && !batches.empty())
215 ibuf->storage(batches.front().get_required_buffer_size());
219 Resource::AsyncLoader *Mesh::load(IO::Seekable &io, const Resources *)
221 return new AsyncLoader(*this, io);
224 uint64_t Mesh::get_data_size() const
228 size += vbuf->get_size();
230 size += ibuf->get_size();
237 vertices.use_buffer(0);
246 void Mesh::set_debug_name(const string &name)
251 vbuf->set_debug_name(name+" [VBO]");
253 ibuf->set_debug_name(name+" [IBO]");
254 vtx_setup.set_debug_name(name+" [VAO]");
261 Mesh::Loader::Loader(Mesh &m, bool g):
262 DataFile::ObjectLoader<Mesh>(m),
265 add("batch", &Loader::batch);
266 add("storage", &Loader::storage);
267 add("vertices", &Loader::vertices);
268 add("vertices", &Loader::vertices_with_format);
269 add("winding", &Mesh::face_winding);
272 void Mesh::Loader::storage(const vector<VertexAttribute> &attrs)
275 throw invalid_argument("No vertex attributes");
278 for(VertexAttribute a: attrs)
283 void Mesh::Loader::vertices()
285 load_sub(obj.vertices);
287 obj.check_buffers(VERTEX_BUFFER);
290 void Mesh::Loader::vertices_with_format(const vector<VertexAttribute> &a)
296 void Mesh::Loader::batch(PrimitiveType p)
304 Mesh::AsyncLoader::AsyncLoader(Mesh &m, IO::Seekable &i):
311 mesh.disallow_rendering = true;
312 mesh.check_buffers(VERTEX_BUFFER|INDEX_BUFFER);
315 Mesh::AsyncLoader::~AsyncLoader()
317 mesh.disallow_rendering = false;
318 delete vertex_updater;
319 delete index_updater;
322 bool Mesh::AsyncLoader::needs_sync() const
327 bool Mesh::AsyncLoader::process()
331 // TODO use correct filename
332 DataFile::Parser parser(io, "async");
333 Loader loader(mesh, false);
338 mesh.resize_buffers();
339 vertex_updater = mesh.vertices.refresh_async();
340 if(!mesh.batches.empty())
341 index_updater = mesh.batches.front().refresh_async();
346 vertex_updater->upload_data();
348 index_updater->upload_data();
352 delete vertex_updater;
354 delete index_updater;
359 if(phase==1 && !mesh.vbuf && !mesh.ibuf)