void GraphicsGL2::CullScenePass( const GraphicsConfigPass & pass, std::map <std::string, PtrVector <Drawable> > & culled_static_drawlist, std::ostream & error_output) { // for each pass, we have which camera and which draw layer to use // we want to do culling for each unique camera and draw layer combination // use camera/layer as the unique key assert(!pass.draw.empty()); if (pass.draw.back() == "postprocess" || !pass.conditions.Satisfied(conditions)) return; for (std::vector <std::string>::const_iterator d = pass.draw.begin(); d != pass.draw.end(); d++) { // determine if we're dealing with a cubemap render_output_map_type::iterator oi = render_outputs.find(pass.output); if (oi == render_outputs.end()) { ReportOnce(&pass, "Render output "+pass.output+" couldn't be found", error_output); return; } const bool cubemap = (oi->second.IsFBO() && oi->second.RenderToFBO().IsCubemap()); const int cubesides = cubemap ? 6 : 1; std::string cameraname = pass.camera; for (int cubeside = 0; cubeside < cubesides; cubeside++) { if (cubemap) { // build sub-camera // build a name for the sub camera { std::stringstream converter; converter << pass.camera << "_cubeside" << cubeside; cameraname = converter.str(); } // get the base camera camera_map_type::iterator bci = cameras.find(pass.camera); if (bci == cameras.end()) { ReportOnce(&pass, "Camera "+pass.camera+" couldn't be found", error_output); return; } // create our sub-camera GraphicsCamera & cam = cameras[cameraname]; cam = bci->second; // set the sub-camera's properties cam.rot = GetCubeSideOrientation(cubeside, cam.rot, error_output); cam.fov = 90; assert(oi->second.IsFBO()); const FrameBufferObject & fbo = oi->second.RenderToFBO(); cam.w = fbo.GetWidth(); cam.h = fbo.GetHeight(); } std::string key = BuildKey(cameraname, *d); if (pass.cull) { camera_map_type::iterator ci = cameras.find(cameraname); if (ci == cameras.end()) { ReportOnce(&pass, "Camera "+cameraname+" couldn't be found", error_output); return; } GraphicsCamera & cam = ci->second; if (culled_static_drawlist.find(key) == culled_static_drawlist.end()) { Frustum frustum; frustum.Extract(GetProjMatrix(cam).GetArray(), GetViewMatrix(cam).GetArray()); reseatable_reference <AabbTreeNodeAdapter <Drawable> > container = static_drawlist.GetDrawlist().GetByName(*d); if (!container) { ReportOnce(&pass, "Drawable container "+*d+" couldn't be found", error_output); return; } container->Query(frustum, culled_static_drawlist[key]); } } else { reseatable_reference <AabbTreeNodeAdapter <Drawable> > container = static_drawlist.GetDrawlist().GetByName(*d); if (!container) { ReportOnce(&pass, "Drawable container "+*d+" couldn't be found", error_output); return; } container->Query(Aabb<float>::IntersectAlways(), culled_static_drawlist[key]); } } } }
void GraphicsGL2::CullScenePass( const GraphicsConfigPass & pass, std::ostream & error_output) { // for each pass, we have which camera and which draw layer to use // we want to do culling for each unique camera and draw layer combination // use camera/layer as the unique key assert(!pass.draw.empty()); if (pass.draw.back() == "postprocess" || !pass.conditions.Satisfied(conditions)) return; for (std::vector <std::string>::const_iterator d = pass.draw.begin(); d != pass.draw.end(); d++) { // determine if we're dealing with a cubemap RenderOutputMap::iterator oi = render_outputs.find(pass.output); if (oi == render_outputs.end()) { ReportOnce(&pass, "Render output "+pass.output+" couldn't be found", error_output); return; } const bool cubemap = (oi->second.IsFBO() && oi->second.RenderToFBO().IsCubemap()); const int cubesides = cubemap ? 6 : 1; std::string cameraname = pass.camera; for (int cubeside = 0; cubeside < cubesides; cubeside++) { if (cubemap) { // build a name for the sub camera { std::ostringstream s; s << pass.camera << "_cubeside" << cubeside; cameraname = s.str(); } // get the base camera CameraMap::iterator bci = cameras.find(pass.camera); if (bci == cameras.end()) { ReportOnce(&pass, "Camera " + pass.camera + " couldn't be found", error_output); return; } // create our sub-camera GraphicsCamera & cam = cameras[cameraname]; cam = bci->second; // set the sub-camera's properties cam.rot = GetCubeSideOrientation(cubeside, cam.rot, error_output); cam.fov = 90; assert(oi->second.IsFBO()); const FrameBufferObject & fbo = oi->second.RenderToFBO(); cam.w = fbo.GetWidth(); cam.h = fbo.GetHeight(); } const std::string drawlist_name = BuildKey(cameraname, *d); CulledDrawList & drawlist = culled_drawlists[drawlist_name]; if (drawlist.valid) break; drawlist.valid = true; if (pass.cull) { // cull static drawlist reseatable_reference <AabbTreeNodeAdapter <Drawable> > container = static_drawlist.GetByName(*d); if (!container) { ReportOnce(&pass, "Drawable container " + *d + " couldn't be found", error_output); return; } CameraMap::iterator ci = cameras.find(cameraname); if (ci == cameras.end()) { ReportOnce(&pass, "Camera " + cameraname + " couldn't be found", error_output); return; } const GraphicsCamera & cam = ci->second; Frustum frustum; frustum.Extract(GetProjMatrix(cam).GetArray(), GetViewMatrix(cam).GetArray()); container->Query(frustum, drawlist.drawables); // cull dynamic drawlist reseatable_reference <PtrVector <Drawable> > container_dynamic = dynamic_drawlist.GetByName(*d); if (!container_dynamic) { ReportOnce(&pass, "Drawable container " + *d + " couldn't be found", error_output); return; } for (size_t i = 0; i < container_dynamic->size(); ++i) { if (!Cull(frustum, *(*container_dynamic)[i])) drawlist.drawables.push_back((*container_dynamic)[i]); } } else { // copy static drawlist reseatable_reference <AabbTreeNodeAdapter <Drawable> > container = static_drawlist.GetByName(*d); if (!container) { ReportOnce(&pass, "Drawable container " + *d + " couldn't be found", error_output); return; } container->Query(Aabb<float>::IntersectAlways(), drawlist.drawables); // copy dynamic drawlist reseatable_reference <PtrVector <Drawable> > container_dynamic = dynamic_drawlist.GetByName(*d); if (!container_dynamic) { ReportOnce(&pass, "Drawable container " + *d + " couldn't be found", error_output); return; } drawlist.drawables.insert( drawlist.drawables.end(), container_dynamic->begin(), container_dynamic->end()); } } } }