Redesign loading of GLSL sources

[libs/gl.git] / source / glsl / compiler.cpp

diff --git a/source/glsl/compiler.cpp b/source/glsl/compiler.cpp
index 74eec856d86a154561669ab9a1745793236e945e..5b488f4d4a8f74ac1216e1f6be193b9510d95f63 100644 (file)
--- a/source/glsl/compiler.cpp
+++ b/source/glsl/compiler.cpp
@@ -8,10 +8,10 @@
 #include "finalize.h"
 #include "generate.h"
 #include "glsl_error.h"
+#include "modulecache.h"
 #include "optimize.h"
 #include "output.h"
 #include "resolve.h"
-#include "resources.h"
 #include "spirv.h"
 #include "validate.h"
 
@@ -53,17 +53,17 @@ void Compiler::clear()
 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), 0);
+       ModuleCache mod_cache(0);
+       append_module(mod_cache.add_module(source, src_name), mod_cache);
 }
 
 void Compiler::load_source(IO::Base &io, DataFile::Collection *res, const string &src_name)
 {
        clear();
-       Parser parser;
        imported_names.push_back(src_name);
-       append_module(parser.parse(io, src_name, 1), res);
+       ModuleCache mod_cache(res);
+       append_module(mod_cache.add_module(io, src_name), mod_cache);
 }
 
 void Compiler::load_source(IO::Base &io, const string &src_name)
@@ -223,7 +223,7 @@ string Compiler::get_diagnostics() const
        return combined;
 }
 
-void Compiler::append_module(Module &mod, DataFile::Collection *res)
+void Compiler::append_module(const Module &mod, ModuleCache &mod_cache)
 {
        module->source_map.merge_from(mod.source_map);
 
@@ -232,15 +232,14 @@ void Compiler::append_module(Module &mod, DataFile::Collection *res)
                if(Import *imp = dynamic_cast<Import *>(i->get()))
                        imports.push_back(imp);
        for(vector<Import *>::iterator i=imports.begin(); i!=imports.end(); ++i)
-               import(res, (*i)->module);
-       NodeRemover().apply(mod.shared, set<Node *>(imports.begin(), imports.end()));
+               import(mod_cache, (*i)->module);
 
        append_stage(mod.shared);
-       for(list<Stage>::iterator i=mod.stages.begin(); i!=mod.stages.end(); ++i)
+       for(list<Stage>::const_iterator i=mod.stages.begin(); i!=mod.stages.end(); ++i)
                append_stage(*i);
 }
 
-void Compiler::append_stage(Stage &stage)
+void Compiler::append_stage(const Stage &stage)
 {
        Stage *target = 0;
        if(stage.type==Stage::SHARED)
@@ -264,22 +263,18 @@ void Compiler::append_stage(Stage &stage)
 
        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);
+       for(NodeList<Statement>::const_iterator i=stage.content.body.begin(); i!=stage.content.body.end(); ++i)
+               if(!dynamic_cast<Import *>(i->get()))
+                       target->content.body.push_back(*i);
 }
 
-void Compiler::import(DataFile::Collection *resources, const string &name)
+void Compiler::import(ModuleCache &mod_cache, const string &name)
 {
-       string fn = name+".glsl";
-       if(find(imported_names, fn)!=imported_names.end())
+       if(find(imported_names, name)!=imported_names.end())
                return;
-       imported_names.push_back(fn);
+       imported_names.push_back(name);
 
-       RefPtr<IO::Seekable> io = (resources ? resources->open_raw(fn) : Resources::get_builtins().open(fn));
-       if(!io)
-               throw runtime_error(format("module %s not found", name));
-       Parser import_parser;
-       append_module(import_parser.parse(*io, fn, module->source_map.get_count()), resources);
+       append_module(mod_cache.get_module(name), mod_cache);
 }
 
 void Compiler::generate(Stage &stage)