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());
}
}
}
}
