5 #include "resourcemanager.h"
12 Mesh::Mesh(const VertexFormat &f):
26 void Mesh::storage(const VertexFormat &fmt)
28 if(!vertices.get_format().empty())
29 throw invalid_operation("Mesh::storage");
31 vertices.set_format(fmt);
32 vtx_setup.set_format(fmt);
41 void Mesh::check_buffers(unsigned mask)
43 if(mask&VERTEX_BUFFER)
45 unsigned req_size = vertices.get_required_buffer_size();
46 if(!vbuf || (vbuf->get_size()>0 && vbuf->get_size()<req_size))
50 vertices.use_buffer(vbuf);
51 vtx_setup.set_vertex_array(vertices);
52 dirty |= VERTEX_BUFFER;
55 if(!debug_name.empty())
56 vbuf->set_debug_name(debug_name+" [VBO]");
63 unsigned req_size = (batches.empty() ? 0 : batches.front().get_required_buffer_size());
64 if(!ibuf || (ibuf->get_size()>0 && ibuf->get_size()<req_size))
69 batches.front().change_buffer(ibuf);
70 dirty |= INDEX_BUFFER;
73 if(!debug_name.empty())
74 vbuf->set_debug_name(debug_name+" [IBO]");
79 vtx_setup.set_index_buffer(*ibuf, batches.front().get_index_type());
83 unsigned Mesh::get_n_vertices() const
85 return vertices.size();
88 char *Mesh::modify_vertex(unsigned i)
90 if(vertices.get_format().empty())
91 throw invalid_operation("Mesh::modify_vertex");
92 return vertices.modify(i);
95 void Mesh::add_batch(const Batch &b)
101 batches.back().use_buffer(ibuf);
103 else if(batches.back().can_append(b.get_type()))
104 batches.back().append(b);
107 bool reallocate = (batches.size()==batches.capacity());
110 for(auto i=batches.end(); i!=batches.begin(); )
111 (--i)->use_buffer(0);
114 Batch *prev = &batches.back();
115 batches.push_back(b);
119 for(Batch &a: batches)
121 a.use_buffer(ibuf, prev);
126 batches.back().use_buffer(ibuf, prev);
129 DataType existing_type = batches.front().get_index_type();
130 DataType added_type = batches.back().get_index_type();
131 if(existing_type!=added_type)
133 if(get_type_size(existing_type)>get_type_size(added_type))
134 batches.back().set_index_type(existing_type);
137 for(Batch &a: batches)
138 a.set_index_type(added_type);
142 check_buffers(INDEX_BUFFER);
145 void Mesh::set_winding(FaceWinding w)
150 void Mesh::draw(Renderer &renderer) const
152 draw(renderer, 0, 0);
155 void Mesh::draw_instanced(Renderer &renderer, const VertexSetup &vs, unsigned count) const
157 if(vs.get_vertex_array()!=&vertices)
158 throw invalid_argument("Mesh::draw_instanced");
160 draw(renderer, &vs, count);
163 void Mesh::draw(Renderer &renderer, const VertexSetup *vs, unsigned count) const
167 manager->resource_used(*this);
168 if(disallow_rendering)
178 renderer.set_vertex_setup(vs ? vs : &vtx_setup);
179 renderer.set_front_face(face_winding);
183 for(const Batch &b: batches)
188 for(const Batch &b: batches)
189 renderer.draw_instanced(b, count);
193 void Mesh::resize_buffers() const
195 if(dirty&VERTEX_BUFFER)
196 vbuf->storage(vertices.get_required_buffer_size());
197 if((dirty&INDEX_BUFFER) && !batches.empty())
198 ibuf->storage(batches.front().get_required_buffer_size());
202 Resource::AsyncLoader *Mesh::load(IO::Seekable &io, const Resources *)
204 return new AsyncLoader(*this, io);
207 uint64_t Mesh::get_data_size() const
211 size += vbuf->get_size();
213 size += ibuf->get_size();
220 vertices.use_buffer(0);
229 void Mesh::set_debug_name(const string &name)
234 vbuf->set_debug_name(name+" [VBO]");
236 ibuf->set_debug_name(name+" [IBO]");
237 vtx_setup.set_debug_name(name+" [VAO]");
244 Mesh::Loader::Loader(Mesh &m, bool g):
245 DataFile::ObjectLoader<Mesh>(m),
248 add("batch", &Loader::batch);
249 add("storage", &Loader::storage);
250 add("vertices", &Loader::vertices);
251 add("vertices", &Loader::vertices_with_format);
252 add("winding", &Mesh::face_winding);
255 void Mesh::Loader::storage(const vector<VertexAttribute> &attrs)
258 throw invalid_argument("No vertex attributes");
261 for(VertexAttribute a: attrs)
266 void Mesh::Loader::vertices()
268 load_sub(obj.vertices);
270 obj.check_buffers(VERTEX_BUFFER);
273 void Mesh::Loader::vertices_with_format(const vector<VertexAttribute> &a)
279 void Mesh::Loader::batch(PrimitiveType p)
287 Mesh::AsyncLoader::AsyncLoader(Mesh &m, IO::Seekable &i):
294 mesh.disallow_rendering = true;
295 mesh.check_buffers(VERTEX_BUFFER|INDEX_BUFFER);
298 Mesh::AsyncLoader::~AsyncLoader()
300 mesh.disallow_rendering = false;
301 delete vertex_updater;
302 delete index_updater;
305 bool Mesh::AsyncLoader::needs_sync() const
310 bool Mesh::AsyncLoader::process()
314 // TODO use correct filename
315 DataFile::Parser parser(io, "async");
316 Loader loader(mesh, false);
321 mesh.resize_buffers();
322 vertex_updater = mesh.vertices.refresh_async();
323 if(!mesh.batches.empty())
324 index_updater = mesh.batches.front().refresh_async();
329 vertex_updater->upload_data();
331 index_updater->upload_data();
335 delete vertex_updater;
337 delete index_updater;
342 if(phase==1 && !mesh.vbuf && !mesh.ibuf)