+
+ if(!bindings)
+ bindings = new Bindings;
+ bindings->textures = compiler.get_texture_bindings();
+ bindings->blocks = compiler.get_uniform_block_bindings();
+}
+
+void Program::compile_glsl_stage(unsigned stage_id)
+{
+ glCompileShader(stage_id);
+ bool compiled = get_shader_i(stage_id, GL_COMPILE_STATUS);
+
+ GLsizei info_log_len = get_shader_i(stage_id, GL_INFO_LOG_LENGTH);
+ string info_log(info_log_len+1, 0);
+ glGetShaderInfoLog(stage_id, info_log_len+1, &info_log_len, &info_log[0]);
+ info_log.erase(info_log_len);
+ if(module && module->get_format()==Module::GLSL)
+ info_log = static_cast<const GlslModule *>(module)->get_source_map().translate_errors(info_log);
+
+ if(!compiled)
+ throw compile_error(info_log);
+#ifdef DEBUG
+ if(!info_log.empty())
+ IO::print("Shader compile info log:\n%s", info_log);
+#endif
+}
+
+void Program::add_spirv_stages(const SpirVModule &mod, const map<string, int> &spec_values)
+{
+ static Require _req(ARB_gl_spirv);
+ static Require _req2(ARB_ES2_compatibility);
+
+ module = &mod;
+
+ const vector<SpirVModule::EntryPoint> &entry_points = mod.get_entry_points();
+ std::set<SpirVModule::Stage> stages;
+ for(vector<SpirVModule::EntryPoint>::const_iterator i=entry_points.begin(); i!=entry_points.end(); ++i)
+ {
+ if(stages.count(i->stage))
+ throw invalid_argument("Program::add_spirv_stages");
+
+ switch(i->stage)
+ {
+ case SpirVModule::VERTEX: add_stage(GL_VERTEX_SHADER); break;
+ case SpirVModule::GEOMETRY: add_stage(GL_GEOMETRY_SHADER); break;
+ case SpirVModule::FRAGMENT: add_stage(GL_FRAGMENT_SHADER); break;
+ default: throw invalid_operation("Program::add_spirv_stages");
+ }
+
+ stages.insert(i->stage);
+ }
+
+ const vector<UInt32> &code = mod.get_code();
+ glShaderBinary(stage_ids.size(), &stage_ids[0], GL_SHADER_BINARY_FORMAT_SPIR_V, &code[0], code.size()*4);
+
+ const vector<SpirVModule::SpecConstant> &spec_consts = mod.get_spec_constants();
+ vector<unsigned> spec_id_array;
+ vector<unsigned> spec_value_array;
+ spec_id_array.reserve(spec_consts.size());
+ spec_value_array.reserve(spec_consts.size());
+ for(vector<SpirVModule::SpecConstant>::const_iterator i=spec_consts.begin(); i!=spec_consts.end(); ++i)
+ {
+ map<string, int>::const_iterator j = spec_values.find(i->name);
+ if(j!=spec_values.end())
+ {
+ spec_id_array.push_back(i->constant_id);
+ spec_value_array.push_back(j->second);
+ }
+ }
+
+ vector<SpirVModule::EntryPoint>::const_iterator j=entry_points.begin();
+ for(vector<unsigned>::const_iterator i=stage_ids.begin(); i!=stage_ids.end(); ++i, ++j)
+ glSpecializeShader(*i, j->name.c_str(), spec_id_array.size(), &spec_id_array[0], &spec_value_array[0]);
+}
+
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+void Program::attach_shader(Shader &shader)
+{
+ unsigned shader_id = shader.steal_id();
+ if(!shader_id)
+ throw invalid_argument("Program::attach_shader");
+ stage_ids.push_back(shader_id);
+ compile_glsl_stage(shader_id);
+}
+
+void Program::attach_shader_owned(Shader *shader)
+{
+ attach_shader(*shader);
+ delete shader;
+}
+
+void Program::detach_shader(Shader &)
+{
+}
+
+const vector<Shader *> &Program::get_attached_shaders() const
+{
+ static vector<Shader *> dummy;
+ return dummy;