#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 "compatibility.h"
+#include "builtin.h"
#include "compiler.h"
+#include "debug.h"
#include "error.h"
+#include "finalize.h"
#include "generate.h"
+#include "glsl_error.h"
#include "optimize.h"
#include "output.h"
-#include "shader.h"
+#include "resolve.h"
+#include "resources.h"
+#include "validate.h"
#undef interface
namespace SL {
Compiler::Compiler():
- resources(0),
- module(0)
+ features(Features::from_context()),
+ module(0),
+ compiled(false),
+ specialized(false)
+{ }
+
+Compiler::Compiler(const Features &f):
+ features(f),
+ module(0),
+ compiled(false),
+ 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;
+}
+
+void Compiler::compile(Mode mode)
+{
+ if(specialized && mode!=PROGRAM)
+ throw invalid_operation("Compiler::compile");
+
+ for(list<Stage>::iterator i=module->stages.begin(); i!=module->stages.end(); ++i)
+ generate(*i);
+ ConstantIdAssigner().apply(*module, features);
+
+ for(list<Stage>::iterator i=module->stages.begin(); i!=module->stages.end(); ++i)
+ validate(*i);
+ GlobalInterfaceValidator().apply(*module);
- try
+ bool valid = true;
+ for(list<Stage>::iterator i=module->stages.begin(); i!=module->stages.end(); ++i)
+ if(!check_errors(*i))
+ valid = false;
+ if(!valid)
+ throw invalid_shader_source(get_diagnostics());
+
+ if(specialized)
{
for(list<Stage>::iterator i=module->stages.begin(); i!=module->stages.end(); ++i)
- {
- if(i->type==Stage::VERTEX)
- {
- program.attach_shader_owned(new VertexShader(apply<Formatter>(*i)));
- 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(apply<Formatter>(*i)));
- else if(i->type==Stage::FRAGMENT)
- {
- program.attach_shader_owned(new FragmentShader(apply<Formatter>(*i)));
- 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);
- }
- }
- }
+ ConstantSpecializer().apply(*i, spec_values);
}
- catch(const compile_error &e)
+ for(list<Stage>::iterator i=module->stages.begin(); i!=module->stages.end(); )
{
- 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';
- }
+ OptimizeResult result = optimize(*i);
+ if(result==REDO_PREVIOUS)
+ i = module->stages.begin();
+ else if(result!=REDO_STAGE)
+ ++i;
+ }
+
+ LocationAllocator().apply(*module, features);
+ for(list<Stage>::iterator i=module->stages.begin(); i!=module->stages.end(); ++i)
+ finalize(*i, mode);
+
+ compiled = true;
+}
- throw compile_error(translated);
+string Compiler::get_combined_glsl() const
+{
+ if(!compiled)
+ throw invalid_operation("Compiler::get_combined_glsl");
+
+ string glsl;
+
+ 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);
+ 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
+{
+ if(!compiled)
+ throw invalid_operation("Compiler::get_stage_glsl");
+ for(list<Stage>::iterator i=module->stages.begin(); i!=module->stages.end(); ++i)
+ if(i->type==stage_type)
+ return Formatter().apply(*i);
+ throw key_error(Stage::get_stage_name(stage_type));
+}
+
+const map<string, unsigned> &Compiler::get_vertex_attributes() const
+{
+ if(!compiled)
+ throw invalid_operation("Compiler::get_vertex_attributes");
+ 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
+{
+ if(!compiled)
+ throw invalid_operation("Compiler::get_fragment_outputs");
+ 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 map<string, unsigned> &Compiler::get_texture_bindings() const
+{
+ if(!compiled)
+ throw invalid_operation("Compiler::get_texture_bindings");
+ return module->shared.texture_bindings;
+}
+
+const map<string, unsigned> &Compiler::get_uniform_block_bindings() const
+{
+ if(!compiled)
+ throw invalid_operation("Compiler::get_uniform_block_bindings");
+ return module->shared.uniform_block_bindings;
+}
+
+const SourceMap &Compiler::get_source_map() const
+{
+ return module->source_map;
}
-void Compiler::append_module(Module &mod)
+string Compiler::get_stage_debug(Stage::Type stage_type) const
{
- vector<Import *> imports = apply<NodeGatherer<Import> >(mod.shared);
+ 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));
+}
+
+string Compiler::get_diagnostics() const
+{
+ string combined;
+ for(list<Stage>::const_iterator i=module->stages.begin(); i!=module->stages.end(); ++i)
+ for(vector<Diagnostic>::const_iterator j=i->diagnostics.begin(); j!=i->diagnostics.end(); ++j)
+ if(j->source!=INTERNAL_SOURCE)
+ append(combined, "\n", format("%s:%d: %s", module->source_map.get_name(j->source), j->line, j->message));
+ return combined;
+}
+
+void Compiler::append_module(Module &mod, DataFile::Collection *res)
+{
+ module->source_map.merge_from(mod.source_map);
+
+ vector<Import *> imports;
+ for(NodeList<Statement>::const_iterator i=mod.shared.content.body.begin(); i!=mod.shared.content.body.end(); ++i)
+ if(Import *imp = dynamic_cast<Import *>(i->get()))
+ imports.push_back(imp);
for(vector<Import *>::iterator i=imports.begin(); i!=imports.end(); ++i)
- import((*i)->module);
- apply<NodeRemover>(mod.shared, set<Node *>(imports.begin(), imports.end()));
+ 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(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);
- apply<DeclarationCombiner>(*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)
{
- 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);
+ if(const Stage *builtins = get_builtins(stage.type))
+ inject_block(stage.content, builtins->content);
+ if(const Stage *builtins = get_builtins(Stage::SHARED))
+ inject_block(stage.content, builtins->content);
+
+ // Initial resolving pass
+ resolve(stage);
- apply<DeclarationReorderer>(stage);
- apply<FunctionResolver>(stage);
- apply<VariableResolver>(stage);
- apply<InterfaceGenerator>(stage);
- apply<VariableResolver>(stage);
- apply<DeclarationReorderer>(stage);
- apply<FunctionResolver>(stage);
- apply<LegacyConverter>(stage);
+ /* All variables local to a stage have been resolved. Resolve non-local
+ variables through interfaces. */
+ InterfaceGenerator().apply(stage);
+ resolve(stage, RESOLVE_BLOCKS|RESOLVE_TYPES|RESOLVE_VARIABLES);
}
-bool Compiler::optimize(Stage &stage)
+template<typename T>
+bool Compiler::resolve(Stage &stage, unsigned &flags, unsigned bit)
{
- apply<ConstantConditionEliminator>(stage);
+ if(!(flags&bit))
+ return false;
- set<FunctionDeclaration *> inlineable = apply<InlineableFunctionLocator>(stage);
- apply<FunctionInliner>(stage, inlineable);
+ flags &= ~bit;
+ return T().apply(stage);
+}
- set<Node *> unused = apply<UnusedVariableLocator>(stage);
- set<Node *> unused2 = apply<UnusedFunctionLocator>(stage);
- unused.insert(unused2.begin(), unused2.end());
- apply<NodeRemover>(stage, unused);
+void Compiler::resolve(Stage &stage, unsigned flags)
+{
+ while(flags)
+ {
+ if(resolve<BlockHierarchyResolver>(stage, flags, RESOLVE_BLOCKS))
+ ;
+ else if(resolve<TypeResolver>(stage, flags, RESOLVE_TYPES))
+ flags |= RESOLVE_BLOCKS|RESOLVE_VARIABLES|RESOLVE_EXPRESSIONS;
+ else if(resolve<VariableResolver>(stage, flags, RESOLVE_VARIABLES))
+ flags |= RESOLVE_EXPRESSIONS;
+ else if(resolve<FunctionResolver>(stage, flags, RESOLVE_FUNCTIONS))
+ flags |= RESOLVE_EXPRESSIONS;
+ else if(resolve<ExpressionResolver>(stage, flags, RESOLVE_EXPRESSIONS))
+ flags |= RESOLVE_VARIABLES|RESOLVE_FUNCTIONS;
+ }
+}
- return !unused.empty();
+void Compiler::validate(Stage &stage)
+{
+ DeclarationValidator().apply(stage);
+ IdentifierValidator().apply(stage);
+ ReferenceValidator().apply(stage);
+ ExpressionValidator().apply(stage);
+ FlowControlValidator().apply(stage);
+ StageInterfaceValidator().apply(stage);
}
-void Compiler::finalize(Stage &stage)
+bool Compiler::check_errors(Stage &stage)
{
- if(get_gl_api()==OPENGL_ES2)
- apply<DefaultPrecisionGenerator>(stage);
- else
- apply<PrecisionRemover>(stage);
+ stable_sort(stage.diagnostics, &diagnostic_line_order);
+
+ for(vector<Diagnostic>::const_iterator i=stage.diagnostics.begin(); i!=stage.diagnostics.end(); ++i)
+ if(i->severity==Diagnostic::ERR)
+ return false;
+
+ return true;
}
-void Compiler::inject_block(Block &target, const Block &source)
+bool Compiler::diagnostic_line_order(const Diagnostic &diag1, const Diagnostic &diag2)
{
- NodeList<Statement>::iterator insert_point = target.body.begin();
- for(NodeList<Statement>::const_iterator i=source.body.begin(); i!=source.body.end(); ++i)
- target.body.insert(insert_point, (*i)->clone());
+ if(diag1.provoking_source!=diag2.provoking_source)
+ {
+ // Sort builtins first and imported modules according to import order.
+ if(diag1.provoking_source<=BUILTIN_SOURCE)
+ return diag1.provoking_source<diag2.provoking_source;
+ else if(diag2.provoking_source<=BUILTIN_SOURCE)
+ return false;
+ else
+ return diag1.provoking_source>diag2.provoking_source;
+ }
+ return diag1.provoking_line<diag2.provoking_line;
}
-template<typename T>
-typename T::ResultType Compiler::apply(Stage &stage)
+Compiler::OptimizeResult Compiler::optimize(Stage &stage)
+{
+ if(ConstantFolder().apply(stage))
+ resolve(stage, RESOLVE_EXPRESSIONS);
+ ConstantConditionEliminator().apply(stage);
+
+ bool any_inlined = false;
+ if(FunctionInliner().apply(stage))
+ {
+ resolve(stage, RESOLVE_TYPES|RESOLVE_VARIABLES|RESOLVE_FUNCTIONS|RESOLVE_EXPRESSIONS);
+ any_inlined = true;
+ }
+ if(ExpressionInliner().apply(stage))
+ {
+ resolve(stage, RESOLVE_VARIABLES|RESOLVE_FUNCTIONS|RESOLVE_EXPRESSIONS);
+ any_inlined = true;
+ }
+
+ /* Removing variables or functions may cause things from the previous stage
+ to become unused. */
+ bool any_removed = UnreachableCodeRemover().apply(stage);
+ any_removed |= UnusedVariableRemover().apply(stage);
+ any_removed |= UnusedFunctionRemover().apply(stage);
+ any_removed |= UnusedTypeRemover().apply(stage);
+
+ return any_removed ? REDO_PREVIOUS : any_inlined ? REDO_STAGE : NEXT_STAGE;
+}
+
+void Compiler::finalize(Stage &stage, Mode mode)
{
- T visitor;
- visitor.apply(stage);
- return visitor.get_result();
+ if(mode==PROGRAM)
+ {
+ LegacyConverter().apply(stage, features);
+ resolve(stage, RESOLVE_VARIABLES|RESOLVE_FUNCTIONS);
+ PrecisionConverter().apply(stage);
+ }
+
+ // Collect bindings from all stages into the shared stage's maps
+ module->shared.texture_bindings.insert(stage.texture_bindings.begin(), stage.texture_bindings.end());
+ module->shared.uniform_block_bindings.insert(stage.uniform_block_bindings.begin(), stage.uniform_block_bindings.end());
}
-template<typename T, typename A>
-typename T::ResultType Compiler::apply(Stage &stage, const A &arg)
+void Compiler::inject_block(Block &target, const Block &source)
{
- T visitor(arg);
- visitor.apply(stage);
- return visitor.get_result();
+ NodeList<Statement>::iterator insert_point = target.body.begin();
+ for(NodeList<Statement>::const_iterator i=source.body.begin(); i!=source.body.end(); ++i)
+ target.body.insert(insert_point, (*i)->clone());
}
} // namespace SL
projects / libs / gl.git / blobdiff