X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Frenderpass.cpp;h=835e78a672cd6203649cdd9cbba4345421fa41b8;hp=4ab07347824ef68765a72becd9e35f9a1151fe28;hb=bec07999d95b76f4b47cffcc564d0cd0afc0435e;hpb=f14435e58bfa0fa697a06ba9a454bb30cd37d9d8

diff --git a/source/renderpass.cpp b/source/renderpass.cpp
index 4ab07347..835e78a6 100644
--- a/source/renderpass.cpp
+++ b/source/renderpass.cpp
@@ -1,11 +1,11 @@
-#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 "texenv.h"
+#include "renderer.h"
 #include "texture.h"
 #include "texture2d.h"
 #include "texturing.h"
@@ -17,29 +17,110 @@ namespace GL {
 
 RenderPass::RenderPass():
 	shprog(0),
+	shprog_from_material(false),
 	shdata(0),
 	material(0),
-	texturing(0)
+	texturing(0),
+	back_faces(false)
 { }
 
 RenderPass::RenderPass(const RenderPass &other):
 	shprog(other.shprog),
-	shdata(other.shdata ? new ProgramData(*other.shdata) : 0),
+	shprog_from_material(other.shprog_from_material),
+	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)
+	tex_names(other.tex_names),
+	back_faces(other.back_faces)
 { }
 
+RenderPass &RenderPass::operator=(const RenderPass &other)
+{
+	shprog = other.shprog;
+	shprog_from_material = other.shprog_from_material;
+	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;
+}
+
 RenderPass::~RenderPass()
 {
-	delete shdata;
 	delete texturing;
 }
 
+void RenderPass::finalize_material(DataFile::Collection *coll)
+{
+	maybe_create_material_shader(coll);
+	ensure_private_shader_data();
+
+	if(!texturing)
+		texturing = new Texturing;
+	material->attach_textures_to(*texturing, *shdata);
+}
+
+void RenderPass::maybe_create_material_shader(DataFile::Collection *coll)
+{
+	if(shprog && !shprog_from_material)
+		return;
+
+	if(coll)
+	{
+		shprog = material->create_compatible_shader(*coll);
+		shprog.keep();
+	}
+	else
+		shprog = material->create_compatible_shader();
+
+	if(shdata)
+		shdata = new ProgramData(*shdata, shprog.get());
+
+	shprog_from_material = true;
+}
+
+void RenderPass::ensure_private_shader_data()
+{
+	if(!shprog)
+		throw invalid_operation("RenderPass::ensure_private_shader_data");
+
+	if(!shdata)
+		shdata = new ProgramData(shprog.get());
+	else if(shdata.refcount()>1)
+		shdata = new ProgramData(*shdata);
+}
+
+void RenderPass::set_shader_program(const Program *prog, const ProgramData *data)
+{
+	shprog = prog;
+	shprog.keep();
+	shprog_from_material = false;
+	shdata = (data ? new ProgramData(*data) : 0);
+	if(material)
+		finalize_material(0);
+}
+
+const string &RenderPass::get_slotted_uniform_name(const string &slot) const
+{
+	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::set_material(const Material *mat)
 {
 	material = mat;
 	material.keep();
+	finalize_material(0);
 }
 
 void RenderPass::set_texture(unsigned index, const Texture *tex)
@@ -47,7 +128,7 @@ void RenderPass::set_texture(unsigned index, const Texture *tex)
 	if(!texturing)
 		texturing = new Texturing;
 
-	texturing->attach(index, *tex);
+	texturing->attach(index, *tex, texturing->get_attached_sampler(index));
 }
 
 int RenderPass::get_texture_index(const string &n) const
@@ -58,6 +139,14 @@ int RenderPass::get_texture_index(const string &n) const
 	return i->second;
 }
 
+void RenderPass::apply(Renderer &renderer) const
+{
+	renderer.set_texturing(texturing);
+	renderer.set_material(material.get());
+	renderer.set_shader_program(shprog.get(), shdata.get());
+	renderer.set_reverse_winding(back_faces);
+}
+
 
 RenderPass::Loader::Loader(RenderPass &p):
 	DataFile::CollectionObjectLoader<RenderPass>(p, 0)
@@ -73,27 +162,43 @@ RenderPass::Loader::Loader(RenderPass &p, Collection &c):
 
 void RenderPass::Loader::init()
 {
-	allow_pointer_reload = false;
-
-	add("shader",   &RenderPass::shprog);
+	add("shader",   &Loader::shader);
 	add("material", &Loader::material_inline);
 	add("material", &Loader::material);
+	add("material_slot", &RenderPass::material_slot);
+	add("back_faces",&RenderPass::back_faces);
 	add("texunit",  &Loader::texunit);
+	add("texunit",  &Loader::texunit_auto);
 	add("texunit",  &Loader::texunit_named);
 	add("uniforms", &Loader::uniforms);
+	add("uniform_slot", &Loader::uniform_slot);
+	add("uniform_slot", &Loader::uniform_slot2);
 }
 
 void RenderPass::Loader::material_inline()
 {
-	RefPtr<Material> mat = new Material;
-	load_sub(*mat);
-	obj.material = mat;
+	Material::GenericLoader ldr(coll);
+	load_sub_with(ldr);
+	obj.material = ldr.get_material();
+	obj.finalize_material(coll);
 }
 
 void RenderPass::Loader::material(const string &name)
 {
-	obj.material = get_collection().get<Material>(name);
+	obj.material = &get_collection().get<Material>(name);
 	obj.material.keep();
+	obj.finalize_material(coll);
+}
+
+void RenderPass::Loader::shader(const string &n)
+{
+	obj.shprog = &get_collection().get<Program>(n);
+	obj.shprog.keep();
+	obj.shprog_from_material = false;
+	if(obj.shdata)
+		obj.shdata = new ProgramData(*obj.shdata, obj.shprog.get());
+	if(obj.material)
+		obj.finalize_material(coll);
 }
 
 void RenderPass::Loader::texunit(unsigned i)
@@ -104,60 +209,67 @@ void RenderPass::Loader::texunit(unsigned i)
 	load_sub_with(ldr);
 }
 
+void RenderPass::Loader::texunit_auto(const string &n)
+{
+	if(!obj.texturing)
+		obj.texturing = new Texturing;
+	int i = obj.texturing->find_free_unit(n);
+	if(i<0)
+		throw runtime_error("no free texunit");
+	texunit_named(i, n);
+}
+
 void RenderPass::Loader::texunit_named(unsigned i, const string &n)
 {
 	texunit(i);
 	obj.tex_names[n] = i;
+	obj.ensure_private_shader_data();
+	obj.shdata->uniform(n, static_cast<int>(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(*obj.shprog);
+	obj.ensure_private_shader_data();
 	load_sub(*obj.shdata);
 }
 
+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::TextureLoader::TextureLoader(Texturing &t, unsigned i, Collection *c):
 	DataFile::CollectionObjectLoader<Texturing>(t, c),
-	index(i)
+	index(i),
+	tex(0),
+	samp(0)
 {
+	add("sampler",   &TextureLoader::sampler);
 	add("texture",   &TextureLoader::texture);
-	add("texture2d", &TextureLoader::texture2d);
 }
 
 void RenderPass::TextureLoader::finish()
 {
 	if(tex)
-	{
-		if(env)
-			obj.attach(index, *tex, *env);
-		else
-			obj.attach(index, *tex);
-		tex.release();
-		env.release();
-	}
+		obj.attach(index, *tex, samp);
+	else if(samp)
+		obj.attach(index, *samp);
 }
 
-void RenderPass::TextureLoader::texenv()
+void RenderPass::TextureLoader::sampler(const string &name)
 {
-	throw Exception("TexEnvs can't be loaded yet");
-	/*env = new TexEnv;
-	load_sub(*env);*/
+	samp = &get_collection().get<Sampler>(name);
 }
 
 void RenderPass::TextureLoader::texture(const string &name)
 {
-	tex = get_collection().get<Texture>(name);
-	tex.keep();
-}
-
-void RenderPass::TextureLoader::texture2d()
-{
-	tex = new Texture2D;
-	load_sub(static_cast<Texture2D &>(*tex));
+	tex = &get_collection().get<Texture>(name);
 }
 
 } // namespace GL