-/* $Id$
-
-This file is part of libmspgl
-Copyright © 2007 Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
-#include <msp/strings/formatter.h>
+#include <msp/core/refptr.h>
+#include <msp/datafile/collection.h>
+#include <msp/strings/format.h>
#include "material.h"
#include "program.h"
#include "programdata.h"
namespace Msp {
namespace GL {
-Technique::Technique():
- main_texture(0),
- normal_pass(&passes[0]),
- material(0)
-{ }
-
-Technique::~Technique()
+RenderPass &Technique::add_pass(const GL::Tag &tag)
{
- for(map<unsigned, ObjectPass>::iterator i=passes.begin(); i!=passes.end(); ++i)
- delete i->second.shdata;
+ return insert_unique(passes, tag, RenderPass())->second;
}
bool Technique::has_pass(const GL::Tag &tag) const
{
- return passes.count(tag.id);
+ return passes.count(tag);
}
-const ObjectPass &Technique::get_pass(const GL::Tag &tag) const
+const RenderPass &Technique::get_pass(const GL::Tag &tag) const
{
- map<unsigned, ObjectPass>::const_iterator i=passes.find(tag.id);
- if(i==passes.end())
- throw KeyError("Unknown pass");
- return i->second;
+ return get_item(passes, tag);
}
-unsigned Technique::get_texture_index(const std::string &n) const
+bool Technique::has_shaders() const
{
- for(unsigned i=0; i<tex_names.size(); ++i)
- if(tex_names[i]==n)
- return i;
-
- throw KeyError("Unknown texture slot", n);
+ for(PassMap::const_iterator i=passes.begin(); i!=passes.end(); ++i)
+ if(i->second.get_shader_program())
+ return true;
+ return false;
}
-const Texture *Technique::get_texture(unsigned i) const
-{
- if(i>=textures.size())
- throw KeyError("Texture index out of range");
- return textures[i];
+Technique::Loader::Loader(Technique &t):
+ DataFile::CollectionObjectLoader<Technique>(t, 0)
+{
+ init();
}
-
Technique::Loader::Loader(Technique &t, Collection &c):
- tech(t),
- coll(c)
+ DataFile::CollectionObjectLoader<Technique>(t, &c)
{
- add("material", &Technique::material);
- add("material_inline", &Loader::material_inline);
- add("pass", &Loader::pass);
- add("shader", &Loader::shader);
- add("shader_texture", &Loader::shader_texture);
- add("texture", &Loader::texture);
- add("texture_slot", &Loader::texture_slot);
+ init();
}
-void Technique::Loader::finish()
+void Technique::Loader::init()
{
- for(map<unsigned, ObjectPass>::iterator i=tech.passes.begin(); i!=tech.passes.end(); ++i)
- if(i->second.shdata)
- {
- for(unsigned j=0; j<tech.textures.size(); ++j)
- i->second.shdata->uniform(i->second.shprog->get_uniform_location(tech.tex_names[j]), static_cast<int>(j));
- }
+ add("inherit", &Loader::inherit);
+ add("pass", &Loader::pass);
}
-void Technique::Loader::material_inline()
+void Technique::Loader::inherit(const string &n)
{
- RefPtr<Material> mat=new Material;
- load_sub(*mat);
- coll.add(format("_%p", mat.get()), mat.get());
- tech.material=mat.release();
+ obj.passes = get_collection().get<Technique>(n).get_passes();
+ InheritLoader ldr(obj, get_collection());
+ load_sub_with(ldr);
}
void Technique::Loader::pass(const string &n)
{
- unsigned id=Tag(n).id;
- if(tech.passes.count(id))
- throw KeyError("Duplicate pass name", n);
- ObjectPass p;
- load_sub(p, coll);
- tech.passes[id]=p;
-}
-
-void Technique::Loader::shader(const string &n)
-{
- Program *shprog=coll.get<Program>(n);
- if(shprog) // Allow for unsupported shaders
- {
- RefPtr<ProgramData> shdata=new ProgramData;
- load_sub(*shdata, *shprog);
+ RenderPass p;
+ if(coll)
+ load_sub(p, get_collection());
+ else
+ load_sub(p);
- tech.normal_pass->shprog=shprog;
- if(tech.normal_pass->shdata)
- delete tech.normal_pass->shdata;
- tech.normal_pass->shdata=shdata.release();
- }
+ insert_unique(obj.passes, n, p);
}
-void Technique::Loader::shader_texture(const string &n)
-{
- unsigned eqsign=n.find('=');
- if(eqsign!=string::npos)
- {
- tech.textures.push_back(coll.get<Texture>(n.substr(eqsign+1)));
- tech.tex_names.push_back(n.substr(0, eqsign));
- }
- else
- {
- tech.textures.push_back(coll.get<Texture>(n));
- tech.tex_names.push_back(n);
- }
-}
-void Technique::Loader::texture(const string &n)
+Technique::InheritLoader::InheritLoader(Technique &t, Collection &c):
+ DataFile::CollectionObjectLoader<Technique>(t, &c)
{
- if(tech.main_texture)
- throw Exception("Only one main texture may be specified");
-
- tech.main_texture=coll.get<Texture>(n);
- tech.textures.push_back(tech.main_texture);
- tech.tex_names.push_back("texture");
+ add("texture", &InheritLoader::texture);
}
-void Technique::Loader::texture_slot(const string &n)
+void Technique::InheritLoader::texture(const std::string &slot, const string &name)
{
- tech.tex_names.push_back(n);
- tech.textures.push_back(0);
+ Texture &tex = get_collection().get<Texture>(name);
+ for(PassMap::iterator i=obj.passes.begin(); i!=obj.passes.end(); ++i)
+ {
+ int index = i->second.get_texture_index(slot);
+ if(index<0)
+ continue;
+ i->second.set_texture(index, &tex);
+ }
}
} // namespace GL