-/* $Id$
-
-This file is part of libmspgl
-Copyright © 2009 Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
-#include "effect.h"
-#include "except.h"
-#include "framebuffer.h"
-#include "lighting.h"
-#include "pipeline.h"
-#include "postprocessor.h"
-#include "renderbuffer.h"
-#include "texture2d.h"
-
-using namespace std;
-
-namespace Msp {
-namespace GL {
-
-Pipeline::Pipeline(unsigned w, unsigned h, bool d):
- width(w),
- height(h),
- hdr(d),
- fbo(0),
- color_buf(0),
- depth_buf(0)
-{ }
-
-Pipeline::~Pipeline()
-{
- delete fbo;
- delete color_buf;
- delete depth_buf;
-}
-
-PipelinePass &Pipeline::add_pass(const Tag &tag)
-{
- if(passes.count(tag.id))
- throw KeyError("Pass already exists");
-
- PipelinePass &pass=passes[tag.id];
- pass_order.push_back(tag);
- return pass;
-}
-
-PipelinePass &Pipeline::get_pass(const Tag &tag)
-{
- map<unsigned, PipelinePass>::iterator i=passes.find(tag.id);
- if(i==passes.end())
- throw KeyError("Unknown pass");
- return i->second;
-}
-
-const PipelinePass &Pipeline::get_pass(const Tag &tag) const
-{
- map<unsigned, PipelinePass>::const_iterator i=passes.find(tag.id);
- if(i==passes.end())
- throw KeyError("Unknown pass");
- return i->second;
-}
-
-bool Pipeline::has_pass(const Tag &tag) const
-{
- return passes.count(tag.id);
-}
-
-void Pipeline::add_renderable(const Renderable &r)
-{
- renderables.push_back(&r);
-}
-
-void Pipeline::add_effect(Effect &e)
-{
- effects.push_back(&e);
-}
-
-void Pipeline::add_postprocessor(PostProcessor &pp)
-{
- postproc.push_back(&pp);
- if(!fbo)
- {
- fbo=new Framebuffer;
- color_buf=new Texture2D;
- color_buf->set_min_filter(NEAREST);
- color_buf->set_mag_filter(NEAREST);
- color_buf->storage((hdr ? RGB16F : RGB), width, height, 0);
- color_buf->image(0, RGB, UNSIGNED_BYTE, 0);
- fbo->attach(COLOR_ATTACHMENT0, *color_buf, 0);
- depth_buf=new Renderbuffer;
- depth_buf->storage(DEPTH_COMPONENT, width, height);
- fbo->attach(DEPTH_ATTACHMENT, *depth_buf);
- Framebuffer::unbind();
- }
-}
-
-void Pipeline::render(const Tag &tag) const
-{
- const PipelinePass &pass=get_pass(tag);
- if(pass.lighting)
- pass.lighting->bind();
- for(vector<Effect *>::const_iterator i=pass.effects.begin(); i!=pass.effects.end(); ++i)
- (*i)->prepare();
- for(vector<const Renderable *>::const_iterator i=renderables.begin(); i!=renderables.end(); ++i)
- (*i)->render(tag);
- for(vector<Effect *>::const_iterator i=pass.effects.end(); i--!=pass.effects.begin();)
- (*i)->cleanup();
- if(pass.lighting)
- Lighting::unbind();
-}
-
-void Pipeline::render_all() const
-{
- if(fbo)
- {
- fbo->bind();
- clear(COLOR_BUFFER_BIT|DEPTH_BUFFER_BIT);
- }
- for(vector<Effect *>::const_iterator i=effects.begin(); i!=effects.end(); ++i)
- (*i)->prepare();
- for(vector<Tag>::const_iterator i=pass_order.begin(); i!=pass_order.end(); ++i)
- render(*i);
- for(vector<Effect *>::const_iterator i=effects.end(); i--!=effects.begin();)
- (*i)->cleanup();
- if(fbo)
- Framebuffer::unbind();
- // XXX Need two color buffer textures to handle multiple post-processors correctly
- for(vector<PostProcessor *>::const_iterator i=postproc.begin(); i!=postproc.end(); ++i)
- (*i)->render(*color_buf);
-}
-
-} // namespace GL
-} // namespace Msp