3 #include <msp/core/algorithm.h>
4 #include <msp/core/hash.h>
5 #include <msp/core/maputils.h>
6 #include <msp/core/raii.h>
7 #include <msp/gl/extensions/arb_es2_compatibility.h>
8 #include <msp/gl/extensions/arb_fragment_shader.h>
9 #include <msp/gl/extensions/arb_gl_spirv.h>
10 #include <msp/gl/extensions/arb_geometry_shader4.h>
11 #include <msp/gl/extensions/arb_separate_shader_objects.h>
12 #include <msp/gl/extensions/arb_shader_objects.h>
13 #include <msp/gl/extensions/arb_uniform_buffer_object.h>
14 #include <msp/gl/extensions/arb_vertex_shader.h>
15 #include <msp/gl/extensions/ext_gpu_shader4.h>
16 #include <msp/gl/extensions/nv_non_square_matrices.h>
17 #include <msp/io/print.h>
18 #include <msp/strings/format.h>
23 #include "resources.h"
25 #include "glsl/compiler.h"
37 Program::Program(const string &source)
42 mod.set_source(source);
49 Program::Program(const string &vert, const string &frag)
53 #pragma GCC diagnostic push
54 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
55 attach_shader_owned(new VertexShader(vert));
56 attach_shader_owned(new FragmentShader(frag));
57 #pragma GCC diagnostic pop
61 Program::Program(const Module &mod, const map<string, int> &spec_values)
64 add_stages(mod, spec_values);
70 static Require _req(ARB_shader_objects);
72 id = glCreateProgram();
80 for(vector<unsigned>::iterator i=stage_ids.begin(); i!=stage_ids.end(); ++i)
85 void Program::add_stages(const Module &mod, const map<string, int> &spec_values)
87 if(!stage_ids.empty())
88 throw invalid_operation("Program::add_stages");
90 switch(mod.get_format())
92 case Module::GLSL: return add_glsl_stages(static_cast<const GlslModule &>(mod), spec_values);
93 case Module::SPIR_V: return add_spirv_stages(static_cast<const SpirVModule &>(mod), spec_values);
94 default: throw invalid_argument("Program::add_stages");
98 unsigned Program::add_stage(GLenum type)
102 case GL_VERTEX_SHADER: { static Require _req(ARB_vertex_shader); } break;
103 case GL_GEOMETRY_SHADER: { static Require _req(ARB_geometry_shader4); } break;
104 case GL_FRAGMENT_SHADER: { static Require _req(ARB_fragment_shader); } break;
105 default: throw invalid_argument("Program::add_stage");
108 unsigned stage_id = glCreateShader(type);
109 stage_ids.push_back(stage_id);
110 glAttachShader(id, stage_id);
115 void Program::add_glsl_stages(const GlslModule &mod, const map<string, int> &spec_values)
119 SL::Compiler compiler;
120 compiler.set_source(mod.get_prepared_source(), "<module>");
121 compiler.specialize(spec_values);
122 compiler.compile(SL::Compiler::PROGRAM);
124 string diagnostics = compiler.get_diagnostics();
125 if(!diagnostics.empty())
126 IO::print("Program diagnostics:\n%s\n", diagnostics);
129 vector<SL::Stage::Type> stages = compiler.get_stages();
130 for(vector<SL::Stage::Type>::const_iterator i=stages.begin(); i!=stages.end(); ++i)
132 unsigned stage_id = 0;
135 case SL::Stage::VERTEX: stage_id = add_stage(GL_VERTEX_SHADER); break;
136 case SL::Stage::GEOMETRY: stage_id = add_stage(GL_GEOMETRY_SHADER); break;
137 case SL::Stage::FRAGMENT: stage_id = add_stage(GL_FRAGMENT_SHADER); break;
138 default: throw invalid_operation("Program::add_glsl_stages");
141 string stage_src = compiler.get_stage_glsl(*i);
142 const char *src_ptr = stage_src.data();
143 int src_len = stage_src.size();
144 glShaderSource(stage_id, 1, &src_ptr, &src_len);
146 if(*i==SL::Stage::VERTEX)
148 const map<string, unsigned> &attribs = compiler.get_vertex_attributes();
149 for(map<string, unsigned>::const_iterator j=attribs.begin(); j!=attribs.end(); ++j)
150 glBindAttribLocation(id, j->second, j->first.c_str());
153 if(*i==SL::Stage::FRAGMENT && EXT_gpu_shader4)
155 const map<string, unsigned> &frag_outs = compiler.get_fragment_outputs();
156 for(map<string, unsigned>::const_iterator j=frag_outs.begin(); j!=frag_outs.end(); ++j)
157 glBindFragDataLocation(id, j->second, j->first.c_str());
160 compile_glsl_stage(stage_id);
164 transient = new TransientData;
165 transient->textures = compiler.get_texture_bindings();
166 transient->blocks = compiler.get_uniform_block_bindings();
169 void Program::compile_glsl_stage(unsigned stage_id)
171 glCompileShader(stage_id);
172 bool compiled = get_shader_i(stage_id, GL_COMPILE_STATUS);
174 GLsizei info_log_len = get_shader_i(stage_id, GL_INFO_LOG_LENGTH);
175 string info_log(info_log_len+1, 0);
176 glGetShaderInfoLog(stage_id, info_log_len+1, &info_log_len, &info_log[0]);
177 info_log.erase(info_log_len);
178 if(module && module->get_format()==Module::GLSL)
179 info_log = static_cast<const GlslModule *>(module)->get_source_map().translate_errors(info_log);
182 throw compile_error(info_log);
184 if(!info_log.empty())
185 IO::print("Shader compile info log:\n%s", info_log);
189 void Program::add_spirv_stages(const SpirVModule &mod, const map<string, int> &spec_values)
191 static Require _req(ARB_gl_spirv);
192 static Require _req2(ARB_ES2_compatibility);
196 const vector<SpirVModule::EntryPoint> &entry_points = mod.get_entry_points();
197 std::set<SpirVModule::Stage> stages;
198 for(vector<SpirVModule::EntryPoint>::const_iterator i=entry_points.begin(); i!=entry_points.end(); ++i)
200 if(stages.count(i->stage))
201 throw invalid_argument("Program::add_spirv_stages");
205 case SpirVModule::VERTEX: add_stage(GL_VERTEX_SHADER); break;
206 case SpirVModule::GEOMETRY: add_stage(GL_GEOMETRY_SHADER); break;
207 case SpirVModule::FRAGMENT: add_stage(GL_FRAGMENT_SHADER); break;
208 default: throw invalid_operation("Program::add_spirv_stages");
211 stages.insert(i->stage);
214 const vector<UInt32> &code = mod.get_code();
215 glShaderBinary(stage_ids.size(), &stage_ids[0], GL_SHADER_BINARY_FORMAT_SPIR_V, &code[0], code.size()*4);
217 if(!spec_values.empty() && !transient)
218 transient = new TransientData;
220 const vector<SpirVModule::Constant> &spec_consts = mod.get_spec_constants();
221 vector<unsigned> spec_id_array;
222 vector<unsigned> spec_value_array;
223 spec_id_array.reserve(spec_consts.size());
224 spec_value_array.reserve(spec_consts.size());
225 for(vector<SpirVModule::Constant>::const_iterator i=spec_consts.begin(); i!=spec_consts.end(); ++i)
227 map<string, int>::const_iterator j = spec_values.find(i->name);
228 if(j!=spec_values.end())
230 spec_id_array.push_back(i->constant_id);
231 spec_value_array.push_back(j->second);
232 transient->spec_values[i->constant_id] = j->second;
236 vector<SpirVModule::EntryPoint>::const_iterator j=entry_points.begin();
237 for(vector<unsigned>::const_iterator i=stage_ids.begin(); i!=stage_ids.end(); ++i, ++j)
238 glSpecializeShader(*i, j->name.c_str(), spec_id_array.size(), &spec_id_array[0], &spec_value_array[0]);
241 #pragma GCC diagnostic push
242 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
243 void Program::attach_shader(Shader &shader)
245 unsigned shader_id = shader.steal_id();
247 throw invalid_argument("Program::attach_shader");
248 stage_ids.push_back(shader_id);
249 compile_glsl_stage(shader_id);
252 void Program::attach_shader_owned(Shader *shader)
254 attach_shader(*shader);
258 void Program::detach_shader(Shader &)
262 const vector<Shader *> &Program::get_attached_shaders() const
264 static vector<Shader *> dummy;
268 void Program::bind_attribute(unsigned index, const string &name)
270 static Require _req(ARB_vertex_shader);
271 glBindAttribLocation(id, index, name.c_str());
274 void Program::bind_attribute(VertexAttribute attr, const string &name)
276 bind_attribute(get_attribute_semantic(attr), name);
279 void Program::bind_fragment_data(unsigned index, const string &name)
281 static Require _req(EXT_gpu_shader4);
282 glBindFragDataLocation(id, index, name.c_str());
284 #pragma GCC diagnostic pop
288 if(stage_ids.empty())
289 throw invalid_operation("Program::link");
292 uniform_blocks.clear();
296 linked = get_program_i(id, GL_LINK_STATUS);
298 GLsizei info_log_len = get_program_i(id, GL_INFO_LOG_LENGTH);
299 string info_log(info_log_len+1, 0);
300 glGetProgramInfoLog(id, info_log_len+1, &info_log_len, &info_log[0]);
301 info_log.erase(info_log_len);
302 if(module && module->get_format()==Module::GLSL)
303 info_log = static_cast<const GlslModule *>(module)->get_source_map().translate_errors(info_log);
306 throw compile_error(info_log);
308 if(!info_log.empty())
309 IO::print("Program link info log:\n%s", info_log);
312 if(module->get_format()==Module::GLSL)
318 for(unsigned i=0; i<uniform_blocks.size(); ++i)
320 map<string, unsigned>::const_iterator j = transient->blocks.find(uniform_blocks[i].name);
321 if(j!=transient->blocks.end())
323 glUniformBlockBinding(id, i, j->second);
324 uniform_blocks[i].bind_point = j->second;
328 Conditional<BindRestore> _bind(!ARB_separate_shader_objects, this);
329 for(map<string, unsigned>::const_iterator i=transient->textures.begin(); i!=transient->textures.end(); ++i)
331 int location = get_uniform_location(i->first);
334 if(ARB_separate_shader_objects)
335 glProgramUniform1i(id, location, i->second);
337 glUniform1i(location, i->second);
342 else if(module->get_format()==Module::SPIR_V)
345 collect_attributes();
351 for(vector<UniformInfo>::const_iterator i=uniforms.begin(); i!=uniforms.end(); ++i)
352 require_type(i->type);
353 for(vector<AttributeInfo>::const_iterator i=attributes.begin(); i!=attributes.end(); ++i)
354 require_type(i->type);
357 void Program::query_uniforms()
359 unsigned count = get_program_i(id, GL_ACTIVE_UNIFORMS);
360 uniforms.reserve(count);
361 vector<string> uniform_names(count);
362 for(unsigned i=0; i<count; ++i)
368 glGetActiveUniform(id, i, sizeof(name), &len, &size, &type, name);
369 if(len && strncmp(name, "gl_", 3))
371 /* Some implementations report the first element of a uniform array,
372 others report just the name of the array itself. */
373 if(len>3 && !strcmp(name+len-3, "[0]"))
376 uniforms.push_back(UniformInfo());
377 UniformInfo &info = uniforms.back();
380 info.array_size = size;
381 info.type = from_gl_type(type);
382 uniform_names[i] = name;
386 sort_member(uniforms, &UniformInfo::tag);
388 if(ARB_uniform_buffer_object)
390 vector<UniformInfo *> uniforms_by_index(count);
391 for(unsigned i=0; i<count; ++i)
392 if(!uniform_names[i].empty())
393 // The element is already known to be present
394 uniforms_by_index[i] = &*lower_bound_member(uniforms, Tag(uniform_names[i]), &UniformInfo::tag);
395 query_uniform_blocks(uniforms_by_index);
398 uniform_blocks.push_back(UniformBlockInfo());
399 UniformBlockInfo &default_block = uniform_blocks.back();
401 for(vector<UniformInfo>::iterator i=uniforms.begin(); i!=uniforms.end(); ++i)
404 i->location = glGetUniformLocation(id, i->name.c_str());
405 i->block = &default_block;
406 default_block.uniforms.push_back(&*i);
408 if(is_image(i->type) && i->location>=0)
409 glGetUniformiv(id, i->location, &i->binding);
412 default_block.layout_hash = compute_layout_hash(default_block.uniforms);
414 update_layout_hash();
417 void Program::query_uniform_blocks(const vector<UniformInfo *> &uniforms_by_index)
419 unsigned count = get_program_i(id, GL_ACTIVE_UNIFORM_BLOCKS);
420 // Reserve an extra index for the default block
421 uniform_blocks.reserve(count+1);
422 for(unsigned i=0; i<count; ++i)
426 glGetActiveUniformBlockName(id, i, sizeof(name), &len, name);
427 uniform_blocks.push_back(UniformBlockInfo());
428 UniformBlockInfo &info = uniform_blocks.back();
432 glGetActiveUniformBlockiv(id, i, GL_UNIFORM_BLOCK_DATA_SIZE, &value);
433 info.data_size = value;
435 glGetActiveUniformBlockiv(id, i, GL_UNIFORM_BLOCK_BINDING, &value);
436 info.bind_point = value;
438 glGetActiveUniformBlockiv(id, i, GL_UNIFORM_BLOCK_ACTIVE_UNIFORMS, &value);
439 vector<int> indices(value);
440 glGetActiveUniformBlockiv(id, i, GL_UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES, &indices[0]);
441 for(vector<int>::iterator j=indices.begin(); j!=indices.end(); ++j)
443 if(!uniforms_by_index[*j])
444 throw logic_error("Program::link");
445 info.uniforms.push_back(uniforms_by_index[*j]);
446 uniforms_by_index[*j]->block = &info;
449 vector<unsigned> query_indices(indices.begin(), indices.end());
450 vector<int> values(indices.size());
451 glGetActiveUniformsiv(id, query_indices.size(), &query_indices[0], GL_UNIFORM_OFFSET, &values[0]);
452 for(unsigned j=0; j<indices.size(); ++j)
453 uniforms_by_index[indices[j]]->offset = values[j];
455 query_indices.clear();
456 for(vector<int>::iterator j=indices.begin(); j!=indices.end(); ++j)
457 if(uniforms_by_index[*j]->array_size>1)
458 query_indices.push_back(*j);
459 if(!query_indices.empty())
461 glGetActiveUniformsiv(id, query_indices.size(), &query_indices[0], GL_UNIFORM_ARRAY_STRIDE, &values[0]);
462 for(unsigned j=0; j<query_indices.size(); ++j)
463 uniforms_by_index[query_indices[j]]->array_stride = values[j];
466 query_indices.clear();
467 for(vector<int>::iterator j=indices.begin(); j!=indices.end(); ++j)
469 DataType t = uniforms_by_index[*j]->type;
471 query_indices.push_back(*j);
473 if(!query_indices.empty())
475 glGetActiveUniformsiv(id, query_indices.size(), &query_indices[0], GL_UNIFORM_MATRIX_STRIDE, &values[0]);
476 for(unsigned j=0; j<query_indices.size(); ++j)
477 uniforms_by_index[query_indices[j]]->matrix_stride = values[j];
480 sort(info.uniforms, uniform_location_compare);
481 info.layout_hash = compute_layout_hash(info.uniforms);
485 void Program::query_attributes()
487 unsigned count = get_program_i(id, GL_ACTIVE_ATTRIBUTES);
488 attributes.reserve(count);
489 for(unsigned i=0; i<count; ++i)
495 glGetActiveAttrib(id, i, sizeof(name), &len, &size, &type, name);
496 if(len && strncmp(name, "gl_", 3))
498 if(len>3 && !strcmp(name+len-3, "[0]"))
501 attributes.push_back(AttributeInfo());
502 AttributeInfo &info = attributes.back();
504 info.location = glGetAttribLocation(id, name);
505 info.array_size = size;
506 info.type = from_gl_type(type);
511 void Program::collect_uniforms()
513 const SpirVModule &mod = static_cast<const SpirVModule &>(*module);
515 // Prepare the default block
516 uniform_blocks.push_back(UniformBlockInfo());
517 vector<vector<string> > block_uniform_names(1);
519 const vector<SpirVModule::Variable> &variables = mod.get_variables();
520 for(vector<SpirVModule::Variable>::const_iterator i=variables.begin(); i!=variables.end(); ++i)
522 if(i->storage==SpirVModule::UNIFORM && i->struct_type)
524 uniform_blocks.push_back(UniformBlockInfo());
525 UniformBlockInfo &info = uniform_blocks.back();
526 info.name = i->struct_type->name;
527 info.bind_point = i->binding;
528 info.data_size = i->struct_type->size;
532 prefix = i->struct_type->name+".";
533 block_uniform_names.push_back(vector<string>());
534 collect_block_uniforms(*i->struct_type, prefix, 0, block_uniform_names.back());
536 else if(i->storage==SpirVModule::UNIFORM_CONSTANT && i->location>=0)
538 block_uniform_names[0].push_back(i->name);
539 uniforms.push_back(UniformInfo());
540 UniformInfo &info = uniforms.back();
543 info.location = i->location;
544 info.binding = i->binding;
545 info.array_size = i->array_size;
550 sort_member(uniforms, &UniformInfo::tag);
552 for(unsigned i=0; i<uniform_blocks.size(); ++i)
554 UniformBlockInfo &block = uniform_blocks[i];
555 const vector<string> &names = block_uniform_names[i];
556 for(vector<string>::const_iterator j=names.begin(); j!=names.end(); ++j)
558 // The element is already known to be present
559 UniformInfo &uni = *lower_bound_member(uniforms, Tag(*j), &UniformInfo::tag);
560 block.uniforms.push_back(&uni);
563 sort(block.uniforms, uniform_location_compare);
564 block.layout_hash = compute_layout_hash(block.uniforms);
567 update_layout_hash();
570 void Program::collect_block_uniforms(const SpirVModule::Structure &strct, const string &prefix, unsigned base_offset, vector<string> &uniform_names)
572 for(vector<SpirVModule::StructMember>::const_iterator i=strct.members.begin(); i!=strct.members.end(); ++i)
574 unsigned offset = base_offset+i->offset;
577 unsigned array_size = i->array_size;
578 if(i->array_size_spec)
580 array_size = i->array_size_spec->i_value;
583 map<unsigned, int>::const_iterator j = transient->spec_values.find(i->array_size_spec->constant_id);
584 if(j!=transient->spec_values.end())
585 array_size = j->second;
591 for(unsigned j=0; j<array_size; ++j, offset+=i->array_stride)
592 collect_block_uniforms(*i->struct_type, format("%s%s[%d].", prefix, i->name, j), offset, uniform_names);
595 collect_block_uniforms(*i->struct_type, prefix+i->name+".", offset, uniform_names);
599 string name = prefix+i->name;
600 uniform_names.push_back(name);
601 uniforms.push_back(UniformInfo());
602 UniformInfo &info = uniforms.back();
605 info.offset = offset;
606 info.array_size = i->array_size;
607 info.array_stride = i->array_stride;
608 info.matrix_stride = i->matrix_stride;
614 void Program::collect_attributes()
616 const SpirVModule &mod = static_cast<const SpirVModule &>(*module);
618 const vector<SpirVModule::EntryPoint> &entry_points = mod.get_entry_points();
619 for(vector<SpirVModule::EntryPoint>::const_iterator i=entry_points.begin(); i!=entry_points.end(); ++i)
620 if(i->stage==SpirVModule::VERTEX && i->name=="main")
622 for(vector<const SpirVModule::Variable *>::const_iterator j=i->globals.begin(); j!=i->globals.end(); ++j)
623 if((*j)->storage==SpirVModule::INPUT)
625 attributes.push_back(AttributeInfo());
626 AttributeInfo &info = attributes.back();
627 info.name = (*j)->name;
628 info.location = (*j)->location;
629 info.array_size = (*j)->array_size;
630 info.type = (*j)->type;
635 void Program::update_layout_hash()
637 string layout_descriptor;
638 for(vector<UniformBlockInfo>::const_iterator i=uniform_blocks.begin(); i!=uniform_blocks.end(); ++i)
639 layout_descriptor += format("%d:%x\n", i->bind_point, i->layout_hash);
640 uniform_layout_hash = hash32(layout_descriptor);
643 Program::LayoutHash Program::compute_layout_hash(const vector<const UniformInfo *> &uniforms)
645 string layout_descriptor;
646 for(vector<const UniformInfo *>::const_iterator i = uniforms.begin(); i!=uniforms.end(); ++i)
647 layout_descriptor += format("%d:%s:%x:%d\n", (*i)->location, (*i)->name, (*i)->type, (*i)->array_size);
648 return hash32(layout_descriptor);
651 bool Program::uniform_location_compare(const UniformInfo *uni1, const UniformInfo *uni2)
653 return uni1->location<uni2->location;
656 string Program::get_info_log() const
658 GLsizei len = get_program_i(id, GL_INFO_LOG_LENGTH);
659 string log(len+1, 0);
660 glGetProgramInfoLog(id, len+1, &len, &log[0]);
665 const Program::UniformBlockInfo &Program::get_uniform_block_info(const string &name) const
667 for(vector<UniformBlockInfo>::const_iterator i=uniform_blocks.begin(); i!=uniform_blocks.end(); ++i)
670 throw key_error(name);
673 const Program::UniformInfo &Program::get_uniform_info(const string &name) const
675 vector<UniformInfo>::const_iterator i = lower_bound_member(uniforms, Tag(name), &UniformInfo::tag);
676 if(i==uniforms.end() || i->name!=name)
677 throw key_error(name);
681 const Program::UniformInfo &Program::get_uniform_info(Tag tag) const
683 vector<UniformInfo>::const_iterator i = lower_bound_member(uniforms, tag, &UniformInfo::tag);
684 if(i==uniforms.end() || i->tag!=tag)
685 throw key_error(tag);
689 int Program::get_uniform_location(const string &name) const
691 if(name[name.size()-1]==']')
692 throw invalid_argument("Program::get_uniform_location");
694 vector<UniformInfo>::const_iterator i = lower_bound_member(uniforms, Tag(name), &UniformInfo::tag);
695 return i!=uniforms.end() && i->name==name && i->block->bind_point<0 ? i->location : -1;
698 int Program::get_uniform_location(Tag tag) const
700 vector<UniformInfo>::const_iterator i = lower_bound_member(uniforms, tag, &UniformInfo::tag);
701 return i!=uniforms.end() && i->tag==tag && i->block->bind_point<0 ? i->location : -1;
704 int Program::get_uniform_binding(Tag tag) const
706 vector<UniformInfo>::const_iterator i = lower_bound_member(uniforms, tag, &UniformInfo::tag);
707 return i!=uniforms.end() && i->tag==tag ? i->binding : -1;
710 const Program::AttributeInfo &Program::get_attribute_info(const string &name) const
712 vector<AttributeInfo>::const_iterator i = lower_bound_member(attributes, name, &AttributeInfo::name);
713 if(i==attributes.end() || i->name!=name)
714 throw key_error(name);
718 int Program::get_attribute_location(const string &name) const
720 if(name[name.size()-1]==']')
721 throw invalid_argument("Program::get_attribute_location");
723 vector<AttributeInfo>::const_iterator i = lower_bound_member(attributes, name, &AttributeInfo::name);
724 return i!=attributes.end() && i->name==name ? i->location : -1;
727 void Program::bind() const
730 throw invalid_operation("Program::bind");
732 if(!set_current(this))
738 void Program::unbind()
747 Program::UniformInfo::UniformInfo():
758 Program::UniformBlockInfo::UniformBlockInfo():
765 Program::AttributeInfo::AttributeInfo():
772 Program::Loader::Loader(Program &p, Collection &c):
773 DataFile::CollectionObjectLoader<Program>(p, &c)
775 add("module", &Loader::module);
778 add("attribute", &Loader::attribute);
779 add("fragment_shader", &Loader::fragment_shader);
780 add("geometry_shader", &Loader::geometry_shader);
781 add("vertex_shader", &Loader::vertex_shader);
784 void Program::Loader::finish()
789 void Program::Loader::module(const string &n)
791 map<string, int> spec_values;
792 SpecializationLoader ldr(spec_values);
794 obj.add_stages(get_collection().get<Module>(n), spec_values);
797 #pragma GCC diagnostic push
798 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
799 void Program::Loader::attribute(unsigned i, const string &n)
801 obj.bind_attribute(i, n);
804 void Program::Loader::fragment_shader(const string &src)
806 obj.attach_shader_owned(new FragmentShader(src));
809 void Program::Loader::geometry_shader(const string &src)
811 obj.attach_shader_owned(new GeometryShader(src));
814 void Program::Loader::vertex_shader(const string &src)
816 obj.attach_shader_owned(new VertexShader(src));
818 #pragma GCC diagnostic pop
821 DataFile::Loader::ActionMap Program::SpecializationLoader::shared_actions;
823 Program::SpecializationLoader::SpecializationLoader(map<string, int> &sv):
826 set_actions(shared_actions);
829 void Program::SpecializationLoader::init_actions()
831 add("specialize", &SpecializationLoader::specialize_bool);
832 add("specialize", &SpecializationLoader::specialize_int);
835 void Program::SpecializationLoader::specialize_bool(const string &name, bool value)
837 spec_values[name] = value;
840 void Program::SpecializationLoader::specialize_int(const string &name, int value)
842 spec_values[name] = value;