5 #include "resourcemanager.h"
16 disallow_rendering(false),
17 face_winding(NON_MANIFOLD)
20 Mesh::Mesh(const VertexFormat &f):
34 void Mesh::storage(const VertexFormat &fmt)
36 if(!vertices.get_format().empty())
37 throw invalid_operation("Mesh::storage");
39 vertices.set_format(fmt);
40 vtx_setup.set_format(fmt);
49 void Mesh::check_buffers(unsigned mask)
51 if(mask&VERTEX_BUFFER)
53 unsigned req_size = vertices.get_required_buffer_size();
54 if(!vbuf || (vbuf->get_size()>0 && vbuf->get_size()<req_size))
58 vertices.use_buffer(vbuf);
59 vtx_setup.set_vertex_array(vertices);
60 dirty |= VERTEX_BUFFER;
63 if(!debug_name.empty())
64 vbuf->set_debug_name(debug_name+" [VBO]");
71 unsigned req_size = (batches.empty() ? 0 : batches.front().get_required_buffer_size());
72 if(!ibuf || (ibuf->get_size()>0 && ibuf->get_size()<req_size))
77 batches.front().change_buffer(ibuf);
78 dirty |= INDEX_BUFFER;
81 if(!debug_name.empty())
82 vbuf->set_debug_name(debug_name+" [IBO]");
87 vtx_setup.set_index_buffer(*ibuf, batches.front().get_index_type());
91 unsigned Mesh::get_n_vertices() const
93 return vertices.size();
96 char *Mesh::modify_vertex(unsigned i)
98 if(vertices.get_format().empty())
99 throw invalid_operation("Mesh::modify_vertex");
100 return vertices.modify(i);
103 void Mesh::add_batch(const Batch &b)
107 batches.push_back(b);
109 batches.back().use_buffer(ibuf);
111 else if(batches.back().can_append(b.get_type()))
112 batches.back().append(b);
115 bool reallocate = (batches.size()==batches.capacity());
118 for(auto i=batches.end(); i!=batches.begin(); )
119 (--i)->use_buffer(0);
122 Batch *prev = &batches.back();
123 batches.push_back(b);
127 for(Batch &a: batches)
129 a.use_buffer(ibuf, prev);
134 batches.back().use_buffer(ibuf, prev);
137 DataType existing_type = batches.front().get_index_type();
138 DataType added_type = batches.back().get_index_type();
139 if(existing_type!=added_type)
141 if(get_type_size(existing_type)>get_type_size(added_type))
142 batches.back().set_index_type(existing_type);
145 for(Batch &a: batches)
146 a.set_index_type(added_type);
150 check_buffers(INDEX_BUFFER);
153 void Mesh::set_winding(FaceWinding w)
158 void Mesh::draw(Renderer &renderer) const
160 draw(renderer, 0, 0);
163 void Mesh::draw_instanced(Renderer &renderer, const VertexSetup &vs, unsigned count) const
165 if(vs.get_vertex_array()!=&vertices)
166 throw invalid_argument("Mesh::draw_instanced");
168 draw(renderer, &vs, count);
171 void Mesh::draw(Renderer &renderer, const VertexSetup *vs, unsigned count) const
175 manager->resource_used(*this);
176 if(disallow_rendering)
186 renderer.set_vertex_setup(vs ? vs : &vtx_setup);
187 renderer.set_front_face(face_winding);
191 for(const Batch &b: batches)
196 for(const Batch &b: batches)
197 renderer.draw_instanced(b, count);
201 void Mesh::resize_buffers() const
203 if(dirty&VERTEX_BUFFER)
204 vbuf->storage(vertices.get_required_buffer_size());
205 if((dirty&INDEX_BUFFER) && !batches.empty())
206 ibuf->storage(batches.front().get_required_buffer_size());
210 Resource::AsyncLoader *Mesh::load(IO::Seekable &io, const Resources *)
212 return new AsyncLoader(*this, io);
215 uint64_t Mesh::get_data_size() const
219 size += vbuf->get_size();
221 size += ibuf->get_size();
228 vertices.use_buffer(0);
237 void Mesh::set_debug_name(const string &name)
242 vbuf->set_debug_name(name+" [VBO]");
244 ibuf->set_debug_name(name+" [IBO]");
245 vtx_setup.set_debug_name(name+" [VAO]");
252 Mesh::Loader::Loader(Mesh &m, bool g):
253 DataFile::ObjectLoader<Mesh>(m),
256 add("batch", &Loader::batch);
257 add("storage", &Loader::storage);
258 add("vertices", &Loader::vertices);
259 add("vertices", &Loader::vertices_with_format);
260 add("winding", &Mesh::face_winding);
263 void Mesh::Loader::storage(const vector<VertexAttribute> &attrs)
266 throw invalid_argument("No vertex attributes");
269 for(VertexAttribute a: attrs)
274 void Mesh::Loader::vertices()
276 load_sub(obj.vertices);
278 obj.check_buffers(VERTEX_BUFFER);
281 void Mesh::Loader::vertices_with_format(const vector<VertexAttribute> &a)
287 void Mesh::Loader::batch(PrimitiveType p)
295 Mesh::AsyncLoader::AsyncLoader(Mesh &m, IO::Seekable &i):
302 mesh.disallow_rendering = true;
303 mesh.check_buffers(VERTEX_BUFFER|INDEX_BUFFER);
306 Mesh::AsyncLoader::~AsyncLoader()
308 mesh.disallow_rendering = false;
309 delete vertex_updater;
310 delete index_updater;
313 bool Mesh::AsyncLoader::needs_sync() const
318 bool Mesh::AsyncLoader::process()
322 // TODO use correct filename
323 DataFile::Parser parser(io, "async");
324 Loader loader(mesh, false);
329 mesh.resize_buffers();
330 vertex_updater = mesh.vertices.refresh_async();
331 if(!mesh.batches.empty())
332 index_updater = mesh.batches.front().refresh_async();
337 vertex_updater->upload_data();
339 index_updater->upload_data();
343 delete vertex_updater;
345 delete index_updater;
350 if(phase==1 && !mesh.vbuf && !mesh.ibuf)