5 #include "resourcemanager.h"
12 Mesh::Mesh(const VertexFormat &f)
25 void Mesh::storage(const VertexFormat &fmt)
27 if(!vertices.get_format().empty())
28 throw invalid_operation("Mesh::storage");
30 vertices.set_format(fmt);
31 vtx_setup.set_format(fmt);
40 void Mesh::check_buffers(unsigned mask)
42 if(mask&VERTEX_BUFFER)
44 unsigned req_size = vertices.get_required_buffer_size();
45 if(!vbuf || (vbuf->get_size()>0 && vbuf->get_size()<req_size))
49 vertices.use_buffer(vbuf);
50 vtx_setup.set_vertex_array(vertices);
51 dirty |= VERTEX_BUFFER;
54 if(!debug_name.empty())
55 vbuf->set_debug_name(debug_name+" [VBO]");
62 unsigned req_size = (batches.empty() ? 0 : batches.front().get_required_buffer_size());
63 if(!ibuf || (ibuf->get_size()>0 && ibuf->get_size()<req_size))
68 batches.front().change_buffer(ibuf);
69 dirty |= INDEX_BUFFER;
72 if(!debug_name.empty())
73 vbuf->set_debug_name(debug_name+" [IBO]");
78 vtx_setup.set_index_buffer(*ibuf, batches.front().get_index_type());
82 size_t Mesh::get_n_vertices() const
84 return vertices.size();
87 char *Mesh::modify_vertex(size_t i)
89 if(vertices.get_format().empty())
90 throw invalid_operation("Mesh::modify_vertex");
91 return vertices.modify(i);
94 void Mesh::add_batch(const Batch &b)
100 batches.back().use_buffer(ibuf);
102 else if(batches.back().can_append(b.get_type()))
103 batches.back().append(b);
106 bool reallocate = (batches.size()==batches.capacity());
109 for(auto i=batches.end(); i!=batches.begin(); )
110 (--i)->use_buffer(0);
113 Batch *prev = &batches.back();
114 batches.push_back(b);
118 for(Batch &a: batches)
120 a.use_buffer(ibuf, prev);
125 batches.back().use_buffer(ibuf, prev);
128 DataType existing_type = batches.front().get_index_type();
129 DataType added_type = batches.back().get_index_type();
130 if(existing_type!=added_type)
132 if(get_type_size(existing_type)>get_type_size(added_type))
133 batches.back().set_index_type(existing_type);
136 for(Batch &a: batches)
137 a.set_index_type(added_type);
141 check_buffers(INDEX_BUFFER);
144 void Mesh::set_winding(FaceWinding w)
149 void Mesh::draw(Renderer &renderer) const
151 draw(renderer, 0, 0);
154 void Mesh::draw_instanced(Renderer &renderer, const VertexSetup &vs, unsigned count) const
156 if(vs.get_vertex_array()!=&vertices)
157 throw invalid_argument("Mesh::draw_instanced");
159 draw(renderer, &vs, count);
162 void Mesh::draw(Renderer &renderer, const VertexSetup *vs, unsigned count) const
166 manager->resource_used(*this);
167 if(disallow_rendering)
177 renderer.set_vertex_setup(vs ? vs : &vtx_setup);
178 renderer.set_front_face(face_winding);
182 for(const Batch &b: batches)
187 for(const Batch &b: batches)
188 renderer.draw_instanced(b, count);
192 void Mesh::resize_buffers() const
194 if(dirty&VERTEX_BUFFER)
195 vbuf->storage(vertices.get_required_buffer_size());
196 if((dirty&INDEX_BUFFER) && !batches.empty())
197 ibuf->storage(batches.front().get_required_buffer_size());
201 Resource::AsyncLoader *Mesh::load(IO::Seekable &io, const Resources *)
203 return new AsyncLoader(*this, io);
206 uint64_t Mesh::get_data_size() const
210 size += vbuf->get_size();
212 size += ibuf->get_size();
219 vertices.use_buffer(0);
228 void Mesh::set_debug_name(const string &name)
233 vbuf->set_debug_name(name+" [VBO]");
235 ibuf->set_debug_name(name+" [IBO]");
236 vtx_setup.set_debug_name(name+" [VAO]");
243 Mesh::Loader::Loader(Mesh &m, bool g):
244 DataFile::ObjectLoader<Mesh>(m),
247 add("batch", &Loader::batch);
248 add("storage", &Loader::storage);
249 add("vertices", &Loader::vertices);
250 add("vertices", &Loader::vertices_with_format);
251 add("winding", &Mesh::face_winding);
254 void Mesh::Loader::storage(const vector<VertexAttribute> &attrs)
257 throw invalid_argument("No vertex attributes");
260 for(VertexAttribute a: attrs)
265 void Mesh::Loader::vertices()
267 load_sub(obj.vertices);
269 obj.check_buffers(VERTEX_BUFFER);
272 void Mesh::Loader::vertices_with_format(const vector<VertexAttribute> &a)
278 void Mesh::Loader::batch(PrimitiveType p)
286 Mesh::AsyncLoader::AsyncLoader(Mesh &m, IO::Seekable &i):
290 mesh.disallow_rendering = true;
291 mesh.check_buffers(VERTEX_BUFFER|INDEX_BUFFER);
294 Mesh::AsyncLoader::~AsyncLoader()
296 mesh.disallow_rendering = false;
297 delete vertex_updater;
298 delete index_updater;
301 bool Mesh::AsyncLoader::needs_sync() const
306 bool Mesh::AsyncLoader::process()
310 // TODO use correct filename
311 DataFile::Parser parser(io, "async");
312 Loader loader(mesh, false);
317 mesh.resize_buffers();
318 vertex_updater = mesh.vertices.refresh_async();
319 if(!mesh.batches.empty())
320 index_updater = mesh.batches.front().refresh_async();
325 vertex_updater->upload_data();
327 index_updater->upload_data();
331 delete vertex_updater;
333 delete index_updater;
338 if(phase==1 && !mesh.vbuf && !mesh.ibuf)