X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fglsl%2Fmodulecache.cpp;fp=source%2Fglsl%2Fmodulecache.cpp;h=116eb20a288e977b1a5353576a5ed71f4fd6a023;hb=f901fcf41d8ca544085f448227f84bc6f966660d;hp=0000000000000000000000000000000000000000;hpb=e484dab089e86e889f007ad362f72337542015a0;p=libs%2Fgl.git

diff --git a/source/glsl/modulecache.cpp b/source/glsl/modulecache.cpp
new file mode 100644
index 00000000..116eb20a
--- /dev/null
+++ b/source/glsl/modulecache.cpp
@@ -0,0 +1,73 @@
+#include <msp/io/seekable.h>
+#include "modulecache.h"
+#include "parser.h"
+#include "resources.h"
+
+using namespace std;
+
+namespace Msp {
+namespace GL {
+namespace SL {
+
+ModuleCache::ModuleCache(DataFile::Collection *r):
+	resources(r),
+	next_source(1)
+{ }
+
+ModuleCache::ModuleCache(const ModuleCache &other)
+{
+	for(map<string, Module *>::const_iterator i=other.modules.begin(); i!=other.modules.end(); ++i)
+		modules[i->first] = new Module(*i->second);
+}
+
+ModuleCache &ModuleCache::operator=(const ModuleCache &other)
+{
+	for(map<string, Module *>::iterator i=modules.begin(); i!=modules.end(); ++i)
+		delete i->second;
+	modules.clear();
+	for(map<string, Module *>::const_iterator i=other.modules.begin(); i!=other.modules.end(); ++i)
+		modules[i->first] = new Module(*i->second);
+	return *this;
+}
+
+ModuleCache::~ModuleCache()
+{
+	for(map<string, Module *>::iterator i=modules.begin(); i!=modules.end(); ++i)
+		delete i->second;
+}
+
+const Module &ModuleCache::add_module(const string &source, const string &src_name)
+{
+	RefPtr<Module> module = new Module;
+	Parser parser(this);
+	unsigned src_index = next_source++;
+	parser.parse(*module, source, src_name, src_index);
+	return *(modules[src_name] = module.release());
+}
+
+const Module &ModuleCache::add_module(IO::Base &io, const string &src_name)
+{
+	RefPtr<Module> module = new Module;
+	Parser parser(this);
+	unsigned src_index = next_source++;
+	parser.parse(*module, io, src_name, src_index);
+	return *(modules[src_name] = module.release());
+}
+
+const Module &ModuleCache::get_module(const string &name)
+{
+	string fn = name+".glsl";
+	map<string, Module *>::const_iterator i = modules.find(fn);
+	if(i!=modules.end())
+		return *i->second;
+
+	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));
+
+	return add_module(*io, fn);
+}
+
+} // namespace SL
+} // namespace GL
+} // namespace Msp