--- /dev/null
+#include <msp/core/maputils.h>
+#include "blend.h"
+#include "camera.h"
+#include "framebuffer.h"
+#include "lighting.h"
+#include "pipeline.h"
+#include "postprocessor.h"
+#include "renderbuffer.h"
+#include "renderer.h"
+#include "tests.h"
+#include "texture2d.h"
+#include "view.h"
+
+using namespace std;
+
+namespace Msp {
+namespace GL {
+
+Pipeline::Pipeline(unsigned w, unsigned h, bool d)
+{
+ init(w, h);
+ hdr = d;
+}
+
+Pipeline::Pipeline(const View &view)
+{
+ init(view.get_width(), view.get_height());
+}
+
+Pipeline::Pipeline(const Framebuffer &fbo)
+{
+ init(fbo.get_width(), fbo.get_height());
+}
+
+void Pipeline::init(unsigned w, unsigned h)
+{
+ camera = 0;
+ width = w;
+ height = h;
+ hdr = false;
+ alpha = false;
+ samples = 0;
+ target_ms = 0;
+ target[0] = 0;
+ target[1] = 0;
+}
+
+Pipeline::~Pipeline()
+{
+ delete target[0];
+ delete target[1];
+ delete target_ms;
+}
+
+void Pipeline::set_hdr(bool h)
+{
+ if(h==hdr)
+ return;
+
+ bool old_hdr = hdr;
+ hdr = h;
+ try
+ {
+ create_targets(2);
+ }
+ catch(...)
+ {
+ hdr = old_hdr;
+ throw;
+ }
+}
+
+void Pipeline::set_alpha(bool a)
+{
+ if(a==alpha)
+ return;
+
+ bool old_alpha = alpha;
+ alpha = a;
+ try
+ {
+ create_targets(2);
+ }
+ catch(...)
+ {
+ alpha = old_alpha;
+ throw;
+ }
+}
+
+void Pipeline::set_multisample(unsigned s)
+{
+ if(s==samples)
+ return;
+
+ unsigned old_samples = samples;
+ samples = s;
+ try
+ {
+ create_targets(1);
+ }
+ catch(...)
+ {
+ samples = old_samples;
+ throw;
+ }
+}
+
+Pipeline::Pass &Pipeline::add_pass(const Tag &tag, Renderable &r)
+{
+ passes.push_back(Pass(tag, &r));
+ return passes.back();
+}
+
+void Pipeline::add_postprocessor(PostProcessor &pp)
+{
+ add_postprocessor(&pp, true);
+}
+
+void Pipeline::add_postprocessor_owned(PostProcessor *pp)
+{
+ add_postprocessor(pp, false);
+}
+
+void Pipeline::add_postprocessor(PostProcessor *pp, bool keep)
+{
+ postproc.push_back(pp);
+ if(keep)
+ postproc.back().keep();
+ try
+ {
+ create_targets(0);
+ }
+ catch(...)
+ {
+ postproc.pop_back();
+ throw;
+ }
+}
+
+void Pipeline::setup_frame(Renderer &renderer)
+{
+ for(PassList::const_iterator i=passes.begin(); i!=passes.end(); ++i)
+ if(Renderable *renderable = i->get_renderable())
+ renderable->setup_frame(renderer);
+ for(vector<Slot>::const_iterator i=renderables.begin(); i!=renderables.end(); ++i)
+ i->renderable->setup_frame(renderer);
+}
+
+void Pipeline::finish_frame()
+{
+ for(PassList::const_iterator i=passes.begin(); i!=passes.end(); ++i)
+ if(Renderable *renderable = i->get_renderable())
+ renderable->finish_frame();
+ for(vector<Slot>::const_iterator i=renderables.begin(); i!=renderables.end(); ++i)
+ i->renderable->finish_frame();
+}
+
+void Pipeline::render(Renderer &renderer, const Tag &tag) const
+{
+ if(tag.id)
+ return;
+
+ const Framebuffer *out_fbo = Framebuffer::current();
+ // These are no-ops but will ensure the related state gets restored
+ BindRestore restore_fbo(out_fbo);
+ BindRestore restore_depth_test(DepthTest::current());
+ BindRestore restore_blend(Blend::current());
+
+ if(target[0])
+ {
+ Framebuffer &fbo = (samples ? target_ms : target[0])->get_framebuffer();
+ fbo.bind();
+ fbo.clear();
+ }
+
+ for(PassList::const_iterator i=passes.begin(); i!=passes.end(); ++i)
+ {
+ if(const DepthTest *dt = i->get_depth_test())
+ dt->bind();
+ else
+ DepthTest::unbind();
+
+ if(const Blend *b = i->get_blend())
+ b->bind();
+ else
+ Blend::unbind();
+
+ renderer.set_lighting(i->get_lighting());
+ renderer.set_clipping(i->get_clipping());
+
+ if(const Renderable *renderable = i->get_renderable())
+ renderer.render(*renderable, i->get_tag());
+
+ for(vector<Slot>::const_iterator j=renderables.begin(); j!=renderables.end(); ++j)
+ if(j->passes.empty() || j->passes.count(i->get_tag()))
+ renderer.render(*j->renderable, i->get_tag());
+ }
+
+ if(target[0])
+ {
+ DepthTest::unbind();
+ Blend::unbind();
+
+ if(samples)
+ target[0]->blit_from(*target_ms);
+
+ for(unsigned i=0; i<postproc.size(); ++i)
+ {
+ unsigned j = i%2;
+ if(i+1<postproc.size())
+ target[1-j]->get_framebuffer().bind();
+ else
+ out_fbo->bind();
+ const Texture2D &color = target[j]->get_target_texture(RENDER_COLOR);
+ const Texture2D &depth = target[j]->get_target_texture(RENDER_DEPTH);
+ postproc[i]->render(renderer, color, depth);
+ }
+ }
+}
+
+void Pipeline::create_targets(unsigned recreate)
+{
+ if(recreate>=2)
+ {
+ delete target[0];
+ delete target[1];
+ target[0] = 0;
+ target[1] = 0;
+ }
+ if(recreate>=1)
+ {
+ delete target_ms;
+ target_ms = 0;
+ }
+
+ PixelFormat color_pf = (hdr ? (alpha ? RGBA16F : RGB16F) : (alpha ? RGBA8 : RGB8));
+ RenderTargetFormat fmt = (RENDER_COLOR,color_pf, RENDER_DEPTH);
+ if(!postproc.empty() || samples)
+ {
+ if(!target[0])
+ target[0] = new RenderTarget(width, height, fmt);
+ if(!target[1] && postproc.size()>1)
+ target[1] = new RenderTarget(width, height, fmt);
+ }
+
+ if(!target_ms && samples)
+ target_ms = new RenderTarget(width, height, samples, fmt);
+}
+
+
+Pipeline::Pass::Pass(const Tag &t, Renderable *r):
+ tag(t),
+ lighting(0),
+ depth_test(0),
+ blend(0),
+ clipping(0),
+ renderable(r)
+{ }
+
+void Pipeline::Pass::set_lighting(const Lighting *l)
+{
+ lighting = l;
+}
+
+void Pipeline::Pass::set_depth_test(const DepthTest *d)
+{
+ depth_test = d;
+}
+
+void Pipeline::Pass::set_blend(const Blend *b)
+{
+ blend = b;
+}
+
+void Pipeline::Pass::set_clipping(const Clipping *c)
+{
+ clipping =c;
+}
+
+
+Pipeline::Slot::Slot(Renderable *r):
+ renderable(r)
+{ }
+
+} // namespace GL
+} // namespace Msp
projects / libs / gl.git / blobdiff