-/* $Id$
-
-This file is part of libmspgl
-Copyright © 2007 Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
-#include <msp/core/refptr.h>
#include <msp/datafile/collection.h>
-#include <msp/strings/formatter.h>
+#include <msp/strings/format.h>
+#include "error.h"
#include "material.h"
#include "renderpass.h"
#include "program.h"
#include "programdata.h"
+#include "renderer.h"
#include "texture.h"
+#include "texture2d.h"
+#include "texturing.h"
using namespace std;
RenderPass::RenderPass():
shprog(0),
shdata(0),
- own_material(false),
- material(0)
+ material(0),
+ texturing(0),
+ back_faces(false)
{ }
RenderPass::RenderPass(const RenderPass &other):
shprog(other.shprog),
- shdata(other.shdata ? new ProgramData(*other.shdata) : 0),
- own_material(other.own_material),
- material(own_material ? new Material(*other.material) : other.material),
- textures(other.textures)
+ shdata(other.shdata),
+ uniform_slots(other.uniform_slots),
+ material(other.material),
+ material_slot(other.material_slot),
+ texturing(other.texturing ? new Texturing(*other.texturing) : 0),
+ tex_names(other.tex_names),
+ back_faces(other.back_faces)
{ }
-RenderPass::~RenderPass()
+RenderPass &RenderPass::operator=(const RenderPass &other)
{
- delete shdata;
- if(own_material)
- delete material;
+ shprog = other.shprog;
+ shdata = other.shdata;
+ uniform_slots = other.uniform_slots;
+ material = other.material;
+ material_slot = other.material_slot;
+ texturing = other.texturing ? new Texturing(*other.texturing) : 0;
+ tex_names = other.tex_names;
+ back_faces = other.back_faces;
+ return *this;
}
-void RenderPass::set_material(const Material *mat)
+RenderPass::~RenderPass()
{
- material = mat;
+ delete texturing;
}
-unsigned RenderPass::get_texture_index(const string &slot) const
+void RenderPass::set_shader_program(const Program *prog, const ProgramData *data)
{
- for(unsigned i=0; i<textures.size(); ++i)
- if(textures[i].name==slot)
- return i;
-
- throw KeyError("Unknown texture slot", slot);
+ shprog = prog;
+ shdata = (data ? new ProgramData(*data) : 0);
}
-void RenderPass::set_texture(const string &slot, const Texture *tex)
+const string &RenderPass::get_slotted_uniform_name(const string &slot) const
{
- textures[get_texture_index(slot)] = tex;
+ map<string, string>::const_iterator i = uniform_slots.find(slot);
+ if(i==uniform_slots.end())
+ {
+ static string empty;
+ return empty;
+ }
+ return i->second;
}
-void RenderPass::bind() const
+void RenderPass::set_material(const Material *mat)
{
- const RenderPass *old = current();
- if(!set_current(this))
- return;
-
- if(shprog)
- {
- shprog->bind();
- shdata->apply();
- }
- else if(old && old->shprog)
- GL::Program::unbind();
-
- if(material)
- material->bind();
- else if(old && old->material)
- GL::Material::unbind();
-
- for(unsigned i=0; i<textures.size(); ++i)
- if(textures[i].texture)
- textures[i].texture->bind_to(i);
- if(old)
- {
- for(unsigned i=textures.size(); i<old->textures.size(); ++i)
- GL::Texture::unbind_from(i);
- }
+ material = mat;
+ material.keep();
}
-void RenderPass::unbind()
+void RenderPass::set_texture(unsigned index, const Texture *tex)
{
- const RenderPass *old = current();
- if(!set_current(0))
- return;
+ if(!texturing)
+ texturing = new Texturing;
- if(old->shprog)
- GL::Program::unbind();
+ texturing->attach(index, *tex);
+}
- if(old->material)
- GL::Material::unbind();
+int RenderPass::get_texture_index(const string &n) const
+{
+ map<string, unsigned>::const_iterator i = tex_names.find(n);
+ if(i==tex_names.end())
+ return -1;
+ return i->second;
+}
- for(unsigned i=old->textures.size(); i--; )
- GL::Texture::unbind_from(i);
+void RenderPass::apply(Renderer &renderer) const
+{
+ renderer.set_texturing(texturing);
+ renderer.set_material(material.get());
+ renderer.set_shader_program(shprog, shdata.get());
+ renderer.set_reverse_winding(back_faces);
}
void RenderPass::Loader::init()
{
- allow_pointer_reload = false;
-
add("shader", &RenderPass::shprog);
+ add("material", &Loader::material_inline);
add("material", &Loader::material);
- add("material", &RenderPass::material);
- add("texture", &Loader::texture);
+ add("material_slot", &RenderPass::material_slot);
+ add("back_faces",&RenderPass::back_faces);
+ add("texunit", &Loader::texunit);
+ add("texunit", &Loader::texunit_named);
add("uniforms", &Loader::uniforms);
+ add("uniform_slot", &Loader::uniform_slot);
}
-void RenderPass::Loader::finish()
+void RenderPass::Loader::material_inline()
{
- if(obj.shprog)
- {
- if(!obj.shdata)
- obj.shdata = new ProgramData;
-
- for(unsigned i=0; i<obj.textures.size(); ++i)
- {
- unsigned loc = obj.shprog->get_uniform_location(obj.textures[i].name);
- obj.shdata->uniform(loc, static_cast<int>(i));
- }
- }
+ RefPtr<Material> mat = new Material;
+ if(coll)
+ load_sub(*mat, get_collection());
+ else
+ load_sub(*mat);
+ obj.material = mat;
}
-void RenderPass::Loader::material()
+void RenderPass::Loader::material(const string &name)
{
- if(obj.material)
- throw InvalidState("A material is already loaded");
+ obj.material = &get_collection().get<Material>(name);
+ obj.material.keep();
+}
- RefPtr<Material> mat = new Material;
- load_sub(*mat);
- obj.material = mat.release();
- obj.own_material = true;
+void RenderPass::Loader::texunit(unsigned i)
+{
+ if(!obj.texturing)
+ obj.texturing = new Texturing;
+ TextureLoader ldr(*obj.texturing, i, coll);
+ load_sub_with(ldr);
}
-void RenderPass::Loader::texture(const string &n)
+void RenderPass::Loader::texunit_named(unsigned i, const string &n)
{
- const Texture *tex = (n.empty() ? 0 : get_collection().get<Texture>(n));
- TextureSlot slot(tex);
- slot.name = (obj.textures.empty() ? "texture" : format("texture%d", obj.textures.size()));
- load_sub(slot);
- obj.textures.push_back(slot);
+ texunit(i);
+ obj.tex_names[n] = i;
}
void RenderPass::Loader::uniforms()
{
if(!obj.shprog)
- throw InvalidState("Can't load uniforms without a shader program");
- if(!obj.shdata)
- obj.shdata = new ProgramData;
- load_sub(*obj.shdata, *obj.shprog);
+ throw invalid_operation("RenderPass::Loader::uniforms");
+ RefPtr<ProgramData> shd = new ProgramData(obj.shprog);
+ load_sub(*shd);
+ obj.shdata = shd.release();
}
+void RenderPass::Loader::uniform_slot(const string &name)
+{
+ uniform_slot2(name, name);
+}
+
+void RenderPass::Loader::uniform_slot2(const string &name, const string &slot)
+{
+ obj.uniform_slots[slot] = name;
+}
-RenderPass::TextureSlot::TextureSlot(const Texture *t):
- texture(t)
-{ }
+RenderPass::TextureLoader::TextureLoader(Texturing &t, unsigned i, Collection *c):
+ DataFile::CollectionObjectLoader<Texturing>(t, c),
+ index(i)
+{
+ add("texture", &TextureLoader::texture);
+ add("texture2d", &TextureLoader::texture2d);
+}
+
+void RenderPass::TextureLoader::finish()
+{
+ if(tex)
+ {
+ obj.attach(index, *tex);
+ tex.release();
+ }
+}
+
+void RenderPass::TextureLoader::texture(const string &name)
+{
+ tex = &get_collection().get<Texture>(name);
+ tex.keep();
+}
-RenderPass::TextureSlot::Loader::Loader(TextureSlot &s):
- DataFile::ObjectLoader<TextureSlot>(s)
+void RenderPass::TextureLoader::texture2d()
{
- add("name", &TextureSlot::name);
+ tex = new Texture2D;
+ if(coll)
+ load_sub(static_cast<Texture2D &>(*tex), get_collection());
+ else
+ load_sub(static_cast<Texture2D &>(*tex));
}
} // namespace GL
projects / libs / gl.git / blobdiff