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);
33 vtx_setup.set_vertex_array(vertices);
42 void Mesh::check_buffers(unsigned mask)
44 if(mask&VERTEX_BUFFER)
46 unsigned req_size = vertices.get_required_buffer_size();
47 if(!vbuf || (vbuf->get_size()>0 && vbuf->get_size()<req_size))
51 vertices.use_buffer(vbuf);
52 if(!vertices.get_format().empty())
53 vtx_setup.set_vertex_array(vertices);
54 dirty |= VERTEX_BUFFER;
57 if(!debug_name.empty())
58 vbuf->set_debug_name(debug_name+" [VBO]");
65 unsigned req_size = (batches.empty() ? 0 : batches.front().get_required_buffer_size());
66 if(!ibuf || (ibuf->get_size()>0 && ibuf->get_size()<req_size))
71 batches.front().change_buffer(ibuf);
72 dirty |= INDEX_BUFFER;
75 if(!debug_name.empty())
76 vbuf->set_debug_name(debug_name+" [IBO]");
81 vtx_setup.set_index_buffer(*ibuf, batches.front().get_index_type());
85 size_t Mesh::get_n_vertices() const
87 return vertices.size();
90 char *Mesh::modify_vertex(size_t i)
92 if(vertices.get_format().empty())
93 throw invalid_operation("Mesh::modify_vertex");
94 return vertices.modify(i);
97 void Mesh::add_batch(const Batch &b)
101 batches.push_back(b);
103 batches.back().use_buffer(ibuf);
105 else if(batches.back().can_append(b.get_type()))
106 batches.back().append(b);
109 bool reallocate = (batches.size()==batches.capacity());
112 for(auto i=batches.end(); i!=batches.begin(); )
113 (--i)->use_buffer(0);
116 Batch *prev = &batches.back();
117 batches.push_back(b);
121 for(Batch &a: batches)
123 a.use_buffer(ibuf, prev);
128 batches.back().use_buffer(ibuf, prev);
131 DataType existing_type = batches.front().get_index_type();
132 DataType added_type = batches.back().get_index_type();
133 if(existing_type!=added_type)
135 if(get_type_size(existing_type)>get_type_size(added_type))
136 batches.back().set_index_type(existing_type);
139 for(Batch &a: batches)
140 a.set_index_type(added_type);
144 check_buffers(INDEX_BUFFER);
147 void Mesh::set_winding(FaceWinding w)
152 void Mesh::draw(Renderer &renderer) const
154 draw(renderer, 0, 0);
157 void Mesh::draw_instanced(Renderer &renderer, const VertexSetup &vs, unsigned count) const
159 if(vs.get_vertex_array()!=&vertices)
160 throw invalid_argument("Mesh::draw_instanced");
162 draw(renderer, &vs, count);
165 void Mesh::draw(Renderer &renderer, const VertexSetup *vs, unsigned count) const
169 manager->resource_used(*this);
170 if(disallow_rendering)
180 renderer.set_vertex_setup(vs ? vs : &vtx_setup);
181 renderer.set_front_face(face_winding);
185 for(const Batch &b: batches)
190 for(const Batch &b: batches)
191 renderer.draw_instanced(b, count);
195 void Mesh::resize_buffers() const
197 if(dirty&VERTEX_BUFFER)
198 vbuf->storage(vertices.get_required_buffer_size());
199 if((dirty&INDEX_BUFFER) && !batches.empty())
200 ibuf->storage(batches.front().get_required_buffer_size());
204 Resource::AsyncLoader *Mesh::load(IO::Seekable &io, const Resources *)
206 return new AsyncLoader(*this, io);
209 uint64_t Mesh::get_data_size() const
213 size += vbuf->get_size();
215 size += ibuf->get_size();
222 vertices.use_buffer(0);
231 void Mesh::set_debug_name(const string &name)
236 vbuf->set_debug_name(name+" [VBO]");
238 ibuf->set_debug_name(name+" [IBO]");
239 vtx_setup.set_debug_name(name+" [VAO]");
246 Mesh::Loader::Loader(Mesh &m):
247 DataFile::ObjectLoader<Mesh>(m)
249 add("batch", &Loader::batch);
250 add("storage", &Loader::storage);
251 add("vertices", &Loader::vertices);
252 add("vertices", &Loader::vertices_with_format);
253 add("winding", &Mesh::face_winding);
256 void Mesh::Loader::storage(const vector<VertexAttribute> &attrs)
259 throw invalid_argument("No vertex attributes");
262 for(VertexAttribute a: attrs)
267 void Mesh::Loader::vertices()
269 load_sub(obj.vertices);
271 obj.check_buffers(VERTEX_BUFFER);
274 void Mesh::Loader::vertices_with_format(const vector<VertexAttribute> &a)
280 void Mesh::Loader::batch(PrimitiveType p)
288 Mesh::AsyncLoader::AsyncLoader(Mesh &m, IO::Seekable &i):
292 mesh.disallow_rendering = true;
293 mesh.check_buffers(VERTEX_BUFFER|INDEX_BUFFER);
296 Mesh::AsyncLoader::~AsyncLoader()
298 mesh.disallow_rendering = false;
299 delete vertex_updater;
300 delete index_updater;
303 bool Mesh::AsyncLoader::needs_sync() const
308 bool Mesh::AsyncLoader::process()
312 // TODO use correct filename
313 DataFile::Parser parser(io, "async");
315 loader.allow_gl_calls = false;
320 mesh.resize_buffers();
321 vertex_updater = mesh.vertices.refresh_async();
322 if(!mesh.batches.empty())
323 index_updater = mesh.batches.front().refresh_async();
328 vertex_updater->upload_data();
330 index_updater->upload_data();
334 delete vertex_updater;
336 delete index_updater;
341 if(phase==1 && !mesh.vbuf && !mesh.ibuf)