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(vector<Uniform *>::iterator i=uniforms.begin(); i!=uniforms.end(); ++i)
33 ProgramData &ProgramData::operator=(const ProgramData &other)
35 for(vector<Uniform *>::iterator i=uniforms.begin(); i!=uniforms.end(); ++i)
39 for(vector<Uniform *>::const_iterator i=other.uniforms.begin(); i!=other.uniforms.end(); ++i)
40 uniforms.push_back((*i)->clone());
42 for(BlockMap::iterator i=blocks.begin(); i!=blocks.end(); ++i)
43 delete i->second.block;
53 ProgramData::~ProgramData()
55 for(vector<Uniform *>::iterator i=uniforms.begin(); i!=uniforms.end(); ++i)
57 for(BlockMap::iterator i=blocks.begin(); i!=blocks.end(); ++i)
58 delete i->second.block;
62 void ProgramData::uniform(const string &name, Uniform *uni)
64 SlotMap::iterator i = uniform_slots.find(name);
65 if(i!=uniform_slots.end())
67 Uniform *&slot = uniforms[i->second];
68 /* UniformBlock does not copy the uniforms, so existing default blocks
69 will be left with stale pointers. This is not a problem as long as no
70 one stores pointers to the blocks and expects them to stay valid. */
74 if(i->second<MASK_BITS)
75 dirty |= 1<<i->second;
76 else // Force a full update if the mask isn't wide enough
81 uniform_slots[name] = uniforms.size();
82 uniforms.push_back(uni);
87 void ProgramData::uniform(const string &name, int v)
89 uniform(name, new Uniform1i(v));
92 void ProgramData::uniform(const string &name, float v)
94 uniform(name, new Uniform1f(v));
97 void ProgramData::uniform(const string &name, float v0, float v1)
99 float va[2] = { v0, v1 };
103 void ProgramData::uniform2(const string &name, const float *v)
105 uniform(name, new Uniform2f(v));
108 void ProgramData::uniform(const string &name, float v0, float v1, float v2)
110 float va[3] = { v0, v1, v2 };
114 void ProgramData::uniform(const string &name, const Vector3 &v)
116 uniform(name, v.x, v.y, v.z);
119 void ProgramData::uniform3(const string &name, const float *v)
121 uniform(name, new Uniform3f(v));
124 void ProgramData::uniform(const string &name, float v0, float v1, float v2, float v3)
126 float va[4] = { v0, v1, v2, v3 };
130 void ProgramData::uniform(const string &name, const Vector4 &v)
132 uniform(name, v.x, v.y, v.z, v.w);
135 void ProgramData::uniform(const string &name, const Color &c)
137 uniform(name, c.r, c.g, c.b, c.a);
140 void ProgramData::uniform4(const string &name, const float *v)
142 uniform(name, new Uniform4f(v));
145 void ProgramData::uniform_matrix2(const string &name, const float *v)
147 uniform(name, new UniformMatrix2x2f(v));
150 void ProgramData::uniform_matrix3(const string &name, const float *v)
152 uniform(name, new UniformMatrix3x3f(v));
155 void ProgramData::uniform(const string &name, const Matrix &m)
157 uniform_matrix4(name, m.data());
160 void ProgramData::uniform_matrix4(const string &name, const float *v)
162 uniform(name, new UniformMatrix4x4f(v));
165 void ProgramData::uniform1_array(const string &name, unsigned n, const float *v)
167 uniform(name, new UniformArray<Uniform1f>(n, v));
170 void ProgramData::uniform2_array(const string &name, unsigned n, const float *v)
172 uniform(name, new UniformArray<Uniform2f>(n, v));
175 void ProgramData::uniform3_array(const string &name, unsigned n, const float *v)
177 uniform(name, new UniformArray<Uniform3f>(n, v));
180 void ProgramData::uniform4_array(const string &name, unsigned n, const float *v)
182 uniform(name, new UniformArray<Uniform4f>(n, v));
185 void ProgramData::uniform_matrix4_array(const string &name, unsigned n, const float *v)
187 uniform(name, new UniformArray<UniformMatrix4x4f>(n, v));
190 unsigned ProgramData::compute_slot_mask(const Program::UniformBlockInfo &block) const
193 for(vector<const Program::UniformInfo *>::const_iterator i=block.uniforms.begin(); i!=block.uniforms.end(); ++i)
195 SlotMap::const_iterator j = uniform_slots.find((*i)->name);
196 if(j!=uniform_slots.end() && j->second<MASK_BITS)
197 mask |= 1<<j->second;
203 void ProgramData::update_block(UniformBlock &block, const Program::UniformBlockInfo &info) const
205 for(vector<const Program::UniformInfo *>::const_iterator i=info.uniforms.begin(); i!=info.uniforms.end(); ++i)
207 SlotMap::const_iterator j = uniform_slots.find((*i)->name);
208 if(j!=uniform_slots.end())
209 block.attach(**i, *uniforms[j->second]);
213 ProgramData::SharedBlock *ProgramData::get_shared_block(const Program::UniformBlockInfo &info) const
215 BlockMap::iterator i = blocks.find(info.layout_hash);
218 unsigned used = compute_slot_mask(info);
223 if(info.bind_point>=0)
227 buffer = new Buffer(UNIFORM_BUFFER);
228 buffer->set_usage(STREAM_DRAW);
231 block = new UniformBlock(info.data_size);
232 block->use_buffer(buffer, last_block);
236 block = new UniformBlock;
238 i = blocks.insert(BlockMap::value_type(info.layout_hash, SharedBlock(used, block))).first;
244 void ProgramData::apply() const
246 const Program *prog = Program::current();
248 throw invalid_operation("ProgramData::apply");
250 Program::LayoutHash layout = prog->get_uniform_layout_hash();
251 ProgramUniforms &pu = programs[layout];
253 if((dirty&pu.used)|pu.dirty)
255 /* If the global dirty flag affects this program, add it to per-program
256 dirty flags and clear the global flag. A previously unseen program will
257 always cause this to happen. */
260 Mask force_dirty = (dirty==ALL_ONES ? ALL_ONES : 0U);
261 for(BlockMap::iterator i=blocks.begin(); i!=blocks.end(); ++i)
262 i->second.dirty |= (dirty&i->second.used) | force_dirty;
263 for(ProgramMap::iterator i=programs.begin(); i!=programs.end(); ++i)
264 i->second.dirty |= (dirty&i->second.used) | force_dirty;
268 const Program::UniformBlockMap &prog_blocks = prog->get_uniform_blocks();
270 if(pu.dirty==ALL_ONES)
272 /* The set of uniforms has changed since this program was last used.
273 Regenerate the list of uniform blocks. */
275 pu.blocks.reserve(prog_blocks.size());
278 for(Program::UniformBlockMap::const_iterator i=prog_blocks.begin(); i!=prog_blocks.end(); ++i)
280 SharedBlock *shared = get_shared_block(i->second);
283 if(shared->dirty==ALL_ONES)
284 shared->used = compute_slot_mask(i->second);
285 pu.used |= shared->used;
288 pu.blocks.push_back(ProgramBlock(i->second.bind_point, shared));
292 // Update the contents of all dirty blocks.
293 bool buffered_blocks_updated = false;
294 std::vector<ProgramBlock>::iterator j = pu.blocks.begin();
295 for(Program::UniformBlockMap::const_iterator i=prog_blocks.begin(); i!=prog_blocks.end(); ++i, ++j)
297 if(!j->shared || !j->shared->dirty)
300 update_block(*j->block, i->second);
301 j->shared->dirty = 0;
302 buffered_blocks_updated |= (j->bind_point>=0);
307 /* If any blocks stored in the buffer were updated, bind the buffer here
308 to avoid state thrashing. */
309 if(buffered_blocks_updated)
313 for(vector<ProgramBlock>::iterator i=pu.blocks.begin(); i!=pu.blocks.end(); ++i)
315 i->block->apply(i->bind_point);
319 ProgramData::SharedBlock::SharedBlock(unsigned u, UniformBlock *b):
326 ProgramData::ProgramBlock::ProgramBlock():
332 ProgramData::ProgramBlock::ProgramBlock(int p, SharedBlock *b):
334 block(b ? b->block : 0),
339 ProgramData::ProgramUniforms::ProgramUniforms():
345 ProgramData::Loader::Loader(ProgramData &pd):
346 DataFile::ObjectLoader<ProgramData>(pd)
348 add("uniform1i", &Loader::uniform1i);
349 add("uniform1f", &Loader::uniform1f);
350 add("uniform2f", &Loader::uniform2f);
351 add("uniform3f", &Loader::uniform3f);
352 add("uniform4f", &Loader::uniform4f);
355 void ProgramData::Loader::uniform1i(const string &n, int v)
360 void ProgramData::Loader::uniform1f(const string &n, float v)
365 void ProgramData::Loader::uniform2f(const string &n, float v0, float v1)
367 obj.uniform(n, v0, v1);
370 void ProgramData::Loader::uniform3f(const string &n, float v0, float v1, float v2)
372 obj.uniform(n, v0, v1, v2);
375 void ProgramData::Loader::uniform4f(const string &n, float v0, float v1, float v2, float v3)
377 obj.uniform(n, v0, v1, v2, v3);