7 #include "programdata.h"
9 #include "uniformblock.h"
17 ProgramData::ProgramData():
22 static RequireExtension _ext("GL_ARB_shader_objects");
25 // Blocks are intentionally left uncopied
26 ProgramData::ProgramData(const ProgramData &other):
27 uniforms(other.uniforms),
32 for(UniformMap::iterator i=uniforms.begin(); i!=uniforms.end(); ++i)
33 i->second = i->second->clone();
36 ProgramData::~ProgramData()
38 for(UniformMap::iterator i=uniforms.begin(); i!=uniforms.end(); ++i)
40 for(BlockMap::iterator i=blocks.begin(); i!=blocks.end(); ++i)
41 delete i->second.block;
44 void ProgramData::uniform(const string &name, Uniform *uni)
46 UniformMap::iterator i = uniforms.find(name);
49 /* UniformBlock does not copy the uniforms, so existing blocks will be
50 left with stale pointers. This is not a problem as long as no one stores
51 pointers to the blocks and expects them to stay valid. */
54 changes = VALUES_CHANGED;
59 changes = KEYS_CHANGED;
63 void ProgramData::uniform(const string &name, int v)
65 uniform(name, new Uniform1i(v));
68 void ProgramData::uniform(const string &name, float v)
70 uniform(name, new Uniform1f(v));
73 void ProgramData::uniform(const string &name, float v0, float v1)
75 float va[2] = { v0, v1 };
79 void ProgramData::uniform2(const string &name, const float *v)
81 uniform(name, new Uniform2f(v));
84 void ProgramData::uniform(const string &name, float v0, float v1, float v2)
86 float va[3] = { v0, v1, v2 };
90 void ProgramData::uniform(const string &name, const Vector3 &v)
92 uniform(name, v.x, v.y, v.z);
95 void ProgramData::uniform3(const string &name, const float *v)
97 uniform(name, new Uniform3f(v));
100 void ProgramData::uniform(const string &name, float v0, float v1, float v2, float v3)
102 float va[4] = { v0, v1, v2, v3 };
106 void ProgramData::uniform(const string &name, const Vector4 &v)
108 uniform(name, v.x, v.y, v.z, v.w);
111 void ProgramData::uniform(const string &name, const Color &c)
113 uniform(name, c.r, c.g, c.b, c.a);
116 void ProgramData::uniform4(const string &name, const float *v)
118 uniform(name, new Uniform4f(v));
121 void ProgramData::uniform_matrix4(const string &name, const float *v)
123 uniform(name, new UniformMatrix4x4f(v));
126 void ProgramData::uniform_matrix4(const string &name, const Matrix &m)
129 copy(m.data(), m.data()+16, v);
130 uniform_matrix4(name, v);
133 void ProgramData::uniform1_array(const string &name, unsigned n, const float *v)
135 uniform(name, new UniformArray<Uniform1f>(n, v));
138 void ProgramData::uniform2_array(const string &name, unsigned n, const float *v)
140 uniform(name, new UniformArray<Uniform2f>(n, v));
143 void ProgramData::uniform3_array(const string &name, unsigned n, const float *v)
145 uniform(name, new UniformArray<Uniform3f>(n, v));
148 void ProgramData::uniform4_array(const string &name, unsigned n, const float *v)
150 uniform(name, new UniformArray<Uniform4f>(n, v));
153 void ProgramData::uniform_matrix4_array(const string &name, unsigned n, const float *v)
155 uniform(name, new UniformArray<UniformMatrix4x4f>(n, v));
158 void ProgramData::find_uniforms_for_block(Block &block, const Program::UniformBlockInfo &info) const
160 block.uniforms.clear();
161 for(vector<const Program::UniformInfo *>::const_iterator i=info.uniforms.begin(); i!=info.uniforms.end(); ++i)
163 // XXX individual array elements
164 UniformMap::const_iterator j = uniforms.find((*i)->name);
165 if(j!=uniforms.end())
166 block.uniforms[(*i)->location] = &j->second;
170 UniformBlock *ProgramData::create_block(const Program::UniformBlockInfo &info) const
172 UniformBlock *block = new UniformBlock(info.data_size);
174 buffer = new Buffer(UNIFORM_BUFFER);
175 block->use_buffer(buffer, last_block);
180 const UniformBlock *ProgramData::get_block(const Program &prog, const Program::UniformBlockInfo *info) const
184 for(BlockMap::iterator i=blocks.begin(); i!=blocks.end(); ++i)
185 if(i->second.changes<changes)
186 i->second.changes = changes;
187 changes = NO_CHANGES;
190 unsigned layout_hash = (info ? info->layout_hash : prog.get_uniform_layout_hash());
192 map<unsigned, Block>::iterator i = blocks.find(layout_hash);
195 i = blocks.insert(BlockMap::value_type(layout_hash, Block())).first;
198 find_uniforms_for_block(i->second, *info);
200 if(!i->second.uniforms.empty())
202 i->second.block = create_block(*info);
203 i->second.changes = VALUES_CHANGED;
208 i->second.block = new UniformBlock;
209 i->second.changes = VALUES_CHANGED;
212 else if(info && i->second.changes==KEYS_CHANGED)
214 find_uniforms_for_block(i->second, *info);
215 if(!i->second.uniforms.empty())
218 i->second.block = create_block(*info);
219 i->second.changes = VALUES_CHANGED;
222 i->second.changes = NO_CHANGES;
228 UniformBlock &block = *i->second.block;
229 if(i->second.changes)
233 vector<const Program::UniformInfo *>::const_iterator j = info->uniforms.begin();
234 map<unsigned, const Uniform *const *>::const_iterator k = i->second.uniforms.begin();
235 while(j!=info->uniforms.end() && k!=i->second.uniforms.end())
237 if(k->first==(*j)->location)
239 block.attach(**j, **k->second);
247 for(UniformMap::const_iterator j=uniforms.begin(); j!=uniforms.end(); ++j)
249 int loc = prog.get_uniform_location(j->first);
251 block.attach(loc, *j->second);
254 i->second.changes = NO_CHANGES;
260 const UniformBlock *ProgramData::get_block(const Program &prog, const string &name) const
263 return get_block(prog, 0);
265 return get_block(prog, &prog.get_uniform_block_info(name));
268 void ProgramData::apply() const
270 const Program *prog = Program::current();
272 throw invalid_operation("ProgramData::apply");
274 const Program::UniformBlockMap &prog_blocks = prog->get_uniform_blocks();
275 if(!prog_blocks.empty())
277 typedef pair<const UniformBlock *, unsigned> ApplyBlock;
278 list<ApplyBlock> apply_blocks;
279 for(Program::UniformBlockMap::const_iterator i=prog_blocks.begin(); i!=prog_blocks.end(); ++i)
280 if(const UniformBlock *block = get_block(*prog, &i->second))
281 apply_blocks.push_back(make_pair(block, i->second.bind_point));
286 for(list<ApplyBlock>::const_iterator i=apply_blocks.begin(); i!=apply_blocks.end(); ++i)
287 i->first->apply(i->second);
290 if(const UniformBlock *block = get_block(*prog, 0))
295 ProgramData::Block::Block():
301 ProgramData::Loader::Loader(ProgramData &pd):
302 DataFile::ObjectLoader<ProgramData>(pd)
304 add("uniform1i", &Loader::uniform1i);
305 add("uniform1f", &Loader::uniform1f);
306 add("uniform2f", &Loader::uniform2f);
307 add("uniform3f", &Loader::uniform3f);
308 add("uniform4f", &Loader::uniform4f);
311 void ProgramData::Loader::uniform1i(const string &n, int v)
316 void ProgramData::Loader::uniform1f(const string &n, float v)
321 void ProgramData::Loader::uniform2f(const string &n, float v0, float v1)
323 obj.uniform(n, v0, v1);
326 void ProgramData::Loader::uniform3f(const string &n, float v0, float v1, float v2)
328 obj.uniform(n, v0, v1, v2);
331 void ProgramData::Loader::uniform4f(const string &n, float v0, float v1, float v2, float v3)
333 obj.uniform(n, v0, v1, v2, v3);