6 #include "programdata.h"
8 #include "uniformblock.h"
16 ProgramData::ProgramData():
22 // Blocks are intentionally left uncopied
23 ProgramData::ProgramData(const ProgramData &other):
24 uniforms(other.uniforms),
29 for(UniformMap::iterator i=uniforms.begin(); i!=uniforms.end(); ++i)
30 i->second = i->second->clone();
33 ProgramData &ProgramData::operator=(const ProgramData &other)
35 for(UniformMap::iterator i=uniforms.begin(); i!=uniforms.end(); ++i)
39 for(UniformMap::const_iterator i=other.uniforms.begin(); i!=other.uniforms.end(); ++i)
40 uniforms.insert(uniforms.end(), UniformMap::value_type(i->first, i->second->clone()));
42 for(BlockMap::iterator i=blocks.begin(); i!=blocks.end(); ++i)
43 delete i->second.block;
51 ProgramData::~ProgramData()
53 for(UniformMap::iterator i=uniforms.begin(); i!=uniforms.end(); ++i)
55 for(BlockMap::iterator i=blocks.begin(); i!=blocks.end(); ++i)
56 delete i->second.block;
60 void ProgramData::uniform(const string &name, Uniform *uni)
62 UniformMap::iterator i = uniforms.find(name);
65 /* UniformBlock does not copy the uniforms, so existing blocks will be
66 left with stale pointers. This is not a problem as long as no one stores
67 pointers to the blocks and expects them to stay valid. */
70 changes = VALUES_CHANGED;
75 changes = KEYS_CHANGED;
79 void ProgramData::uniform(const string &name, int v)
81 uniform(name, new Uniform1i(v));
84 void ProgramData::uniform(const string &name, float v)
86 uniform(name, new Uniform1f(v));
89 void ProgramData::uniform(const string &name, float v0, float v1)
91 float va[2] = { v0, v1 };
95 void ProgramData::uniform2(const string &name, const float *v)
97 uniform(name, new Uniform2f(v));
100 void ProgramData::uniform(const string &name, float v0, float v1, float v2)
102 float va[3] = { v0, v1, v2 };
106 void ProgramData::uniform(const string &name, const Vector3 &v)
108 uniform(name, v.x, v.y, v.z);
111 void ProgramData::uniform3(const string &name, const float *v)
113 uniform(name, new Uniform3f(v));
116 void ProgramData::uniform(const string &name, float v0, float v1, float v2, float v3)
118 float va[4] = { v0, v1, v2, v3 };
122 void ProgramData::uniform(const string &name, const Vector4 &v)
124 uniform(name, v.x, v.y, v.z, v.w);
127 void ProgramData::uniform(const string &name, const Color &c)
129 uniform(name, c.r, c.g, c.b, c.a);
132 void ProgramData::uniform4(const string &name, const float *v)
134 uniform(name, new Uniform4f(v));
137 void ProgramData::uniform_matrix2(const string &name, const float *v)
139 uniform(name, new UniformMatrix2x2f(v));
142 void ProgramData::uniform_matrix3(const string &name, const float *v)
144 uniform(name, new UniformMatrix3x3f(v));
147 void ProgramData::uniform(const string &name, const Matrix &m)
149 uniform_matrix4(name, m.data());
152 void ProgramData::uniform_matrix4(const string &name, const float *v)
154 uniform(name, new UniformMatrix4x4f(v));
157 void ProgramData::uniform1_array(const string &name, unsigned n, const float *v)
159 uniform(name, new UniformArray<Uniform1f>(n, v));
162 void ProgramData::uniform2_array(const string &name, unsigned n, const float *v)
164 uniform(name, new UniformArray<Uniform2f>(n, v));
167 void ProgramData::uniform3_array(const string &name, unsigned n, const float *v)
169 uniform(name, new UniformArray<Uniform3f>(n, v));
172 void ProgramData::uniform4_array(const string &name, unsigned n, const float *v)
174 uniform(name, new UniformArray<Uniform4f>(n, v));
177 void ProgramData::uniform_matrix4_array(const string &name, unsigned n, const float *v)
179 uniform(name, new UniformArray<UniformMatrix4x4f>(n, v));
182 void ProgramData::find_uniforms_for_block(Block &block, const Program::UniformBlockInfo &info) const
184 block.uniforms.clear();
185 for(vector<const Program::UniformInfo *>::const_iterator i=info.uniforms.begin(); i!=info.uniforms.end(); ++i)
187 // XXX individual array elements
188 UniformMap::const_iterator j = uniforms.find((*i)->name);
189 if(j!=uniforms.end())
190 block.uniforms[(*i)->location] = &j->second;
194 UniformBlock *ProgramData::create_block(const Program::UniformBlockInfo &info) const
196 UniformBlock *block = new UniformBlock(info.data_size);
199 buffer = new Buffer(UNIFORM_BUFFER);
200 buffer->set_usage(STREAM_DRAW);
202 block->use_buffer(buffer, last_block);
207 const UniformBlock *ProgramData::get_block(const Program &prog, const Program::UniformBlockInfo *info) const
211 for(BlockMap::iterator i=blocks.begin(); i!=blocks.end(); ++i)
212 if(i->second.changes<changes)
213 i->second.changes = changes;
214 changes = NO_CHANGES;
217 unsigned layout_hash = (info ? info->layout_hash : prog.get_uniform_layout_hash());
219 map<unsigned, Block>::iterator i = blocks.find(layout_hash);
222 i = blocks.insert(BlockMap::value_type(layout_hash, Block())).first;
225 find_uniforms_for_block(i->second, *info);
227 if(!i->second.uniforms.empty())
229 i->second.block = create_block(*info);
230 i->second.changes = VALUES_CHANGED;
235 i->second.block = new UniformBlock;
236 i->second.changes = VALUES_CHANGED;
239 else if(info && i->second.changes==KEYS_CHANGED)
241 find_uniforms_for_block(i->second, *info);
242 if(!i->second.uniforms.empty())
245 i->second.block = create_block(*info);
246 i->second.changes = VALUES_CHANGED;
249 i->second.changes = NO_CHANGES;
255 UniformBlock &block = *i->second.block;
256 if(i->second.changes)
260 vector<const Program::UniformInfo *>::const_iterator j = info->uniforms.begin();
261 map<unsigned, const Uniform *const *>::const_iterator k = i->second.uniforms.begin();
262 while(j!=info->uniforms.end() && k!=i->second.uniforms.end())
264 if(k->first==(*j)->location)
266 block.attach(**j, **k->second);
274 for(UniformMap::const_iterator j=uniforms.begin(); j!=uniforms.end(); ++j)
276 int loc = prog.get_uniform_location(j->first);
278 block.attach(loc, *j->second);
281 i->second.changes = NO_CHANGES;
287 const UniformBlock *ProgramData::get_block(const Program &prog, const string &name) const
290 return get_block(prog, 0);
292 return get_block(prog, &prog.get_uniform_block_info(name));
295 void ProgramData::apply() const
297 const Program *prog = Program::current();
299 throw invalid_operation("ProgramData::apply");
301 const Program::UniformBlockMap &prog_blocks = prog->get_uniform_blocks();
302 if(!prog_blocks.empty())
304 typedef pair<const UniformBlock *, unsigned> ApplyBlock;
305 list<ApplyBlock> apply_blocks;
306 for(Program::UniformBlockMap::const_iterator i=prog_blocks.begin(); i!=prog_blocks.end(); ++i)
307 if(const UniformBlock *block = get_block(*prog, &i->second))
308 apply_blocks.push_back(make_pair(block, i->second.bind_point));
313 for(list<ApplyBlock>::const_iterator i=apply_blocks.begin(); i!=apply_blocks.end(); ++i)
314 i->first->apply(i->second);
317 if(const UniformBlock *block = get_block(*prog, 0))
322 ProgramData::Block::Block():
328 ProgramData::Loader::Loader(ProgramData &pd):
329 DataFile::ObjectLoader<ProgramData>(pd)
331 add("uniform1i", &Loader::uniform1i);
332 add("uniform1f", &Loader::uniform1f);
333 add("uniform2f", &Loader::uniform2f);
334 add("uniform3f", &Loader::uniform3f);
335 add("uniform4f", &Loader::uniform4f);
338 void ProgramData::Loader::uniform1i(const string &n, int v)
343 void ProgramData::Loader::uniform1f(const string &n, float v)
348 void ProgramData::Loader::uniform2f(const string &n, float v0, float v1)
350 obj.uniform(n, v0, v1);
353 void ProgramData::Loader::uniform3f(const string &n, float v0, float v1, float v2)
355 obj.uniform(n, v0, v1, v2);
358 void ProgramData::Loader::uniform4f(const string &n, float v0, float v1, float v2, float v3)
360 obj.uniform(n, v0, v1, v2, v3);