#include <msp/core/algorithm.h>
#include <msp/gl/extensions/ext_gpu_shader4.h>
#include <msp/strings/format.h>
-#include <msp/strings/regex.h>
-#include <msp/strings/utils.h>
+#include "builtin.h"
#include "compatibility.h"
#include "compiler.h"
+#include "debug.h"
#include "error.h"
#include "generate.h"
#include "optimize.h"
#include "output.h"
+#include "resources.h"
#include "shader.h"
#undef interface
namespace SL {
Compiler::Compiler():
- resources(0),
- module(0)
+ features(Features::from_context()),
+ module(0),
+ specialized(false)
+{ }
+
+Compiler::Compiler(const Features &f):
+ features(f),
+ module(0),
+ specialized(false)
{ }
Compiler::~Compiler()
delete module;
}
-void Compiler::compile(const string &source, const string &src_name)
+void Compiler::clear()
{
- resources = 0;
delete module;
module = new Module();
+ imported_names.clear();
+ module->source_map.set_name(0, "<generated>");
+}
+
+void Compiler::set_source(const string &source, const string &src_name)
+{
+ clear();
Parser parser;
imported_names.push_back(src_name);
- append_module(parser.parse(source, src_name, 1));
- process();
+ append_module(parser.parse(source, src_name, 1), 0);
}
-void Compiler::compile(IO::Base &io, Resources *res, const string &src_name)
+void Compiler::load_source(IO::Base &io, DataFile::Collection *res, const string &src_name)
{
- resources = res;
- delete module;
- module = new Module();
+ clear();
Parser parser;
imported_names.push_back(src_name);
- append_module(parser.parse(io, src_name, 1));
- process();
+ append_module(parser.parse(io, src_name, 1), res);
}
-void Compiler::compile(IO::Base &io, const string &src_name)
+void Compiler::load_source(IO::Base &io, const string &src_name)
{
- compile(io, 0, src_name);
+ load_source(io, 0, src_name);
}
-void Compiler::add_shaders(Program &program)
+void Compiler::specialize(const map<string, int> &sv)
{
- if(!module)
- throw invalid_operation("Compiler::add_shaders");
+ specialized = true;
+ spec_values = sv;
+}
- try
+void Compiler::compile(Mode mode)
+{
+ for(list<Stage>::iterator i=module->stages.begin(); i!=module->stages.end(); ++i)
+ generate(*i, mode);
+ unsigned n = 0;
+ for(list<Stage>::iterator i=module->stages.begin(); (i!=module->stages.end() && n<10000); ++n)
{
- 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);
- }
- }
- }
+ OptimizeResult result = optimize(*i);
+ if(result==REDO_PREVIOUS)
+ i = module->stages.begin();
+ else if(result!=REDO_STAGE)
+ ++i;
}
- catch(const compile_error &e)
- {
- static const Regex r_message("^(([0-9]+)\\(([0-9]+)\\) :|ERROR: ([0-9]+):([0-9]+):) (.*)$");
- vector<string> lines = split(e.what(), '\n');
- string translated;
- for(vector<string>::const_iterator i=lines.begin(); i!=lines.end(); ++i)
- {
- RegMatch m = r_message.match(*i);
- if(m)
- {
- unsigned index = 0;
- unsigned line = 0;
- if(m[2])
- {
- index = lexical_cast<unsigned>(m[2].str);
- line = lexical_cast<unsigned>(m[3].str);
- }
- else if(m[4])
- {
- index = lexical_cast<unsigned>(m[4].str);
- line = lexical_cast<unsigned>(m[5].str);
- }
- const char *src = "<unknown>";
- if(index==0)
- src = "<generated>";
- else if(index-1<imported_names.size())
- src = imported_names[index-1].c_str();
- translated += format("%s:%d: %s", src, line, m[6].str);
- }
- else
- translated += *i;
- translated += '\n';
- }
+ for(list<Stage>::iterator i=module->stages.begin(); i!=module->stages.end(); ++i)
+ finalize(*i, mode);
+}
+
+string Compiler::get_combined_glsl() const
+{
+ string glsl;
- throw compile_error(translated);
+ 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)
+ {
+ 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));
}
-void Compiler::append_module(Module &mod)
+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;
+}
+
+string Compiler::get_stage_debug(Stage::Type stage_type) const
+{
+ for(list<Stage>::iterator i=module->stages.begin(); i!=module->stages.end(); ++i)
+ if(i->type==stage_type)
+ return DumpTree().apply(*i);
+ throw key_error(Stage::get_stage_name(stage_type));
+}
+
+void Compiler::append_module(Module &mod, DataFile::Collection *res)
+{
+ module->source_map.merge_from(mod.source_map);
+
vector<Import *> imports = NodeGatherer<Import>().apply(mod.shared);
for(vector<Import *>::iterator i=imports.begin(); i!=imports.end(); ++i)
- import((*i)->module);
- NodeRemover(set<Node *>(imports.begin(), imports.end())).apply(mod.shared);
+ import(res, (*i)->module);
+ 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(target->content.body.empty())
+ {
+ Stage *builtins = get_builtins(stage.type);
+ if(builtins && builtins!=&stage)
+ append_stage(*builtins);
+ }
+
+ 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);
}
-void Compiler::process()
-{
- for(list<Stage>::iterator i=module->stages.begin(); i!=module->stages.end(); ++i)
- generate(*i);
- for(list<Stage>::iterator i=module->stages.begin(); i!=module->stages.end(); )
- {
- if(optimize(*i))
- i = module->stages.begin();
- else
- ++i;
- }
- for(list<Stage>::iterator i=module->stages.begin(); i!=module->stages.end(); ++i)
- finalize(*i);
-}
-
-void Compiler::import(const string &name)
+void Compiler::import(DataFile::Collection *resources, const string &name)
{
string fn = name+".glsl";
if(find(imported_names, fn)!=imported_names.end())
if(!io)
throw runtime_error(format("module %s not found", name));
Parser import_parser;
- append_module(import_parser.parse(*io, fn, imported_names.size()));
+ 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);
+ // Initial resolving pass
+ BlockHierarchyResolver().apply(stage);
FunctionResolver().apply(stage);
VariableResolver().apply(stage);
+
+ /* All variables local to a stage have been resolved. Resolve non-local
+ variables through interfaces. */
InterfaceGenerator().apply(stage);
VariableResolver().apply(stage);
- DeclarationReorderer().apply(stage);
+
FunctionResolver().apply(stage);
- LegacyConverter().apply(stage);
+ ConstantSpecializer().apply(stage, (mode==PROGRAM && specialized ? &spec_values : 0));
+ if(mode==PROGRAM)
+ LegacyConverter().apply(stage, features);
}
-bool Compiler::optimize(Stage &stage)
+Compiler::OptimizeResult Compiler::optimize(Stage &stage)
{
ConstantConditionEliminator().apply(stage);
- set<FunctionDeclaration *> inlineable = InlineableFunctionLocator().apply(stage);
- FunctionInliner(inlineable).apply(stage);
+ bool any_inlined = FunctionInliner().apply(stage);
+ if(any_inlined)
+ {
+ VariableResolver().apply(stage);
+ FunctionResolver().apply(stage);
+ }
- set<Node *> unused = UnusedVariableLocator().apply(stage);
- set<Node *> unused2 = UnusedFunctionLocator().apply(stage);
- unused.insert(unused2.begin(), unused2.end());
- NodeRemover(unused).apply(stage);
+ /* Removing variables or functions may cause things from the previous stage
+ to become unused. */
+ bool any_removed = UnusedVariableRemover().apply(stage);
+ any_removed |= UnusedFunctionRemover().apply(stage);
- return !unused.empty();
+ return any_removed ? REDO_PREVIOUS : any_inlined ? REDO_STAGE : NEXT_STAGE;
}
-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);
}