#include <msp/core/algorithm.h>
-#include <msp/gl/extensions/ext_gpu_shader4.h>
#include <msp/strings/format.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 "glsl_error.h"
#include "optimize.h"
#include "output.h"
#include "resources.h"
-#include "shader.h"
+#include "validate.h"
#undef interface
namespace SL {
Compiler::Compiler():
- module(0)
+ features(Features::from_context()),
+ module(0),
+ specialized(false)
+{ }
+
+Compiler::Compiler(const Features &f):
+ features(f),
+ module(0),
+ specialized(false)
{ }
Compiler::~Compiler()
load_source(io, 0, src_name);
}
-void Compiler::compile()
+void Compiler::specialize(const map<string, int> &sv)
+{
+ specialized = true;
+ spec_values = sv;
+}
+
+void Compiler::compile(Mode mode)
{
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(); )
+ generate(*i, mode);
+
+ bool valid = true;
+ for(list<Stage>::iterator i=module->stages.begin(); i!=module->stages.end(); ++i)
+ if(!validate(*i))
+ valid = false;
+ if(!valid)
+ throw invalid_shader_source(get_diagnostics());
+
+ unsigned n = 0;
+ for(list<Stage>::iterator i=module->stages.begin(); i!=module->stages.end(); ++n)
{
- if(optimize(*i))
+ OptimizeResult result = optimize(*i);
+ if(result==REDO_PREVIOUS)
i = module->stages.begin();
- else
+ else if(result!=REDO_STAGE)
++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;
+}
+
+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));
+}
+
+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)
+ 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)
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);
+ 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);
- DeclarationReorderer().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);
+ resolve(stage, RESOLVE_BLOCKS|RESOLVE_TYPES|RESOLVE_VARIABLES);
+
+ ConstantSpecializer().apply(stage, (mode==PROGRAM && specialized ? &spec_values : 0));
+ if(mode==PROGRAM)
+ {
+ LegacyConverter().apply(stage, features);
+ resolve(stage, RESOLVE_VARIABLES|RESOLVE_FUNCTIONS);
+ }
+}
+
+template<typename T>
+bool Compiler::resolve(Stage &stage, unsigned &flags, unsigned bit)
+{
+ if(!(flags&bit))
+ return false;
+
+ flags &= ~bit;
+ return T().apply(stage);
}
-bool Compiler::optimize(Stage &stage)
+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_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;
+ }
+}
+
+bool Compiler::validate(Stage &stage)
+{
+ TypeValidator().apply(stage);
+ DeclarationValidator().apply(stage);
+ ReferenceValidator().apply(stage);
+ ExpressionValidator().apply(stage);
+
+ for(vector<Diagnostic>::const_iterator i=stage.diagnostics.begin(); i!=stage.diagnostics.end(); ++i)
+ if(i->severity==Diagnostic::ERR)
+ return false;
+
+ return true;
+}
+
+Compiler::OptimizeResult Compiler::optimize(Stage &stage)
{
ConstantConditionEliminator().apply(stage);
- FunctionInliner().apply(stage);
+ bool any_inlined = false;
+ if(FunctionInliner().apply(stage))
+ {
+ resolve(stage, RESOLVE_TYPES|RESOLVE_VARIABLES|RESOLVE_EXPRESSIONS);
+ any_inlined = true;
+ }
+ if(ExpressionInliner().apply(stage))
+ {
+ resolve(stage, RESOLVE_VARIABLES|RESOLVE_EXPRESSIONS);
+ any_inlined = true;
+ }
- bool result = UnusedVariableRemover().apply(stage);
- result |= UnusedFunctionRemover().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);
+ any_removed |= UnusedTypeRemover().apply(stage);
- return result;
+ 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);
}
projects / libs / gl.git / blobdiff