namespace SL {
Compiler::Compiler():
+ features(Features::from_context()),
+ module(0)
+{ }
+
+Compiler::Compiler(const Features &f):
+ features(f),
module(0)
{ }
load_source(io, 0, src_name);
}
-void Compiler::compile()
+void Compiler::compile(Mode mode)
{
for(list<Stage>::iterator i=module->stages.begin(); i!=module->stages.end(); ++i)
- generate(*i);
+ generate(*i, mode);
for(list<Stage>::iterator i=module->stages.begin(); i!=module->stages.end(); )
{
if(optimize(*i))
++i;
}
for(list<Stage>::iterator i=module->stages.begin(); i!=module->stages.end(); ++i)
- finalize(*i);
+ finalize(*i, mode);
}
-void Compiler::add_shaders(Program &program)
+string Compiler::get_combined_glsl() const
{
- if(!module)
- throw invalid_operation("Compiler::add_shaders");
+ string glsl;
- try
- {
- for(list<Stage>::iterator i=module->stages.begin(); i!=module->stages.end(); ++i)
- {
- string stage_src = Formatter().apply(*i);
-
- if(i->type==Stage::VERTEX)
- {
- program.attach_shader_owned(new VertexShader(stage_src));
- for(map<string, unsigned>::iterator j=i->locations.begin(); j!=i->locations.end(); ++j)
- program.bind_attribute(j->second, j->first);
- }
- else if(i->type==Stage::GEOMETRY)
- program.attach_shader_owned(new GeometryShader(stage_src));
- else if(i->type==Stage::FRAGMENT)
- {
- program.attach_shader_owned(new FragmentShader(stage_src));
- if(EXT_gpu_shader4)
- {
- for(map<string, unsigned>::iterator j=i->locations.begin(); j!=i->locations.end(); ++j)
- program.bind_fragment_data(j->second, j->first);
- }
- }
- }
- }
- catch(const compile_error &e)
+ unsigned source_count = module->source_map.get_count();
+ for(unsigned i=1; i<source_count; ++i)
+ glsl += format("#pragma MSP source(%d, \"%s\")\n", i, module->source_map.get_name(i));
+ for(list<Stage>::iterator i=module->stages.begin(); i!=module->stages.end(); ++i)
{
- throw compile_error(module->source_map.translate_errors(e.what()));
+ glsl += format("#pragma MSP stage(%s)\n", Stage::get_stage_name(i->type));
+ glsl += Formatter().apply(*i, MODULE);
+ glsl += '\n';
}
+
+ return glsl;
+}
+
+vector<Stage::Type> Compiler::get_stages() const
+{
+ vector<Stage::Type> stage_types;
+ stage_types.reserve(module->stages.size());
+ for(list<Stage>::const_iterator i=module->stages.begin(); i!=module->stages.end(); ++i)
+ stage_types.push_back(i->type);
+ return stage_types;
+}
+
+string Compiler::get_stage_glsl(Stage::Type stage_type) const
+{
+ for(list<Stage>::iterator i=module->stages.begin(); i!=module->stages.end(); ++i)
+ if(i->type==stage_type)
+ return Formatter().apply(*i, PROGRAM);
+ throw key_error(Stage::get_stage_name(stage_type));
+}
+
+const map<string, unsigned> &Compiler::get_vertex_attributes() const
+{
+ for(list<Stage>::const_iterator i=module->stages.begin(); i!=module->stages.end(); ++i)
+ if(i->type==Stage::VERTEX)
+ return i->locations;
+ throw invalid_operation("Compiler::get_vertex_attributes");
+}
+
+const map<string, unsigned> &Compiler::get_fragment_outputs() const
+{
+ for(list<Stage>::const_iterator i=module->stages.begin(); i!=module->stages.end(); ++i)
+ if(i->type==Stage::FRAGMENT)
+ return i->locations;
+ throw invalid_operation("Compiler::get_fragment_outputs");
+}
+
+const SourceMap &Compiler::get_source_map() const
+{
+ return module->source_map;
}
void Compiler::append_module(Module &mod, DataFile::Collection *res)
vector<Import *> imports = NodeGatherer<Import>().apply(mod.shared);
for(vector<Import *>::iterator i=imports.begin(); i!=imports.end(); ++i)
import(res, (*i)->module);
- NodeRemover(set<Node *>(imports.begin(), imports.end())).apply(mod.shared);
+ NodeRemover().apply(mod.shared, set<Node *>(imports.begin(), imports.end()));
append_stage(mod.shared);
for(list<Stage>::iterator i=mod.stages.begin(); i!=mod.stages.end(); ++i)
target = &*i;
}
- if(stage.required_version>target->required_version)
- target->required_version = stage.required_version;
+ if(stage.required_features.glsl_version>target->required_features.glsl_version)
+ target->required_features.glsl_version = stage.required_features.glsl_version;
for(NodeList<Statement>::iterator i=stage.content.body.begin(); i!=stage.content.body.end(); ++i)
target->content.body.push_back(*i);
DeclarationCombiner().apply(*target);
append_module(import_parser.parse(*io, fn, module->source_map.get_count()), resources);
}
-void Compiler::generate(Stage &stage)
+void Compiler::generate(Stage &stage, Mode mode)
{
- if(module->shared.required_version>stage.required_version)
- stage.required_version = module->shared.required_version;
+ stage.required_features.gl_api = features.gl_api;
+ if(module->shared.required_features.glsl_version>stage.required_features.glsl_version)
+ stage.required_features.glsl_version = module->shared.required_features.glsl_version;
inject_block(stage.content, module->shared.content);
DeclarationReorderer().apply(stage);
+ BlockResolver().apply(stage);
FunctionResolver().apply(stage);
VariableResolver().apply(stage);
InterfaceGenerator().apply(stage);
VariableResolver().apply(stage);
DeclarationReorderer().apply(stage);
FunctionResolver().apply(stage);
- LegacyConverter().apply(stage);
+ if(mode==PROGRAM)
+ LegacyConverter().apply(stage, features);
}
bool Compiler::optimize(Stage &stage)
{
ConstantConditionEliminator().apply(stage);
- set<FunctionDeclaration *> inlineable = InlineableFunctionLocator().apply(stage);
- FunctionInliner(inlineable).apply(stage);
+ FunctionInliner().apply(stage);
+ BlockResolver().apply(stage);
+ VariableResolver().apply(stage);
- set<Node *> unused = UnusedVariableLocator().apply(stage);
- set<Node *> unused2 = UnusedFunctionLocator().apply(stage);
- unused.insert(unused2.begin(), unused2.end());
- NodeRemover(unused).apply(stage);
+ bool result = UnusedVariableRemover().apply(stage);
+ result |= UnusedFunctionRemover().apply(stage);
- return !unused.empty();
+ return result;
}
-void Compiler::finalize(Stage &stage)
+void Compiler::finalize(Stage &stage, Mode mode)
{
- if(get_gl_api()==OPENGL_ES2)
+ if(get_gl_api()==OPENGL_ES2 && mode==PROGRAM)
DefaultPrecisionGenerator().apply(stage);
- else
+ else if(mode==MODULE)
PrecisionRemover().apply(stage);
}
projects / libs / gl.git / blobdiff