Hi,
void Simple::FinishFrame ()
{
if (!tex)
{
iTextureManager *txtmgr = g3d->GetTextureManager ();
if (!txtmgr)
return;
iGraphics2D* g2d = g3d->GetDriver2D ();
tex = engine->CreateBlackTexture ("Untitled", g2d->GetWidth (),
g2d->GetHeight (), 0,
CS_TEXTURE_3D);
tex->Register (txtmgr);
printf ("Register in txtmgr\n");
iTextureHandle *texh = tex->GetTextureHandle ();
if (!texh)
printf ("iTextureHandle is not here!!!\n");
texh->SetTextureClass("nocompress");
}
g3d->SetRenderTarget (tex->GetTextureHandle ());
if (!view.IsValid())
{
// @@@ Here to get the render target size, not screen size
iSector *room = engine->GetSectors ()->FindByName ("room");
view = csPtr<iView> (new csView (engine, g3d));
view->GetCamera ()->GetTransform ().SetOrigin (csVector3 (-0.5,0,0));
view->GetCamera ()->SetSector (room);
view->SetRectangle (0, 0, 256, 256);
view->GetCamera ()->SetPerspectiveCenter (128, 128);
view->GetCamera ()->SetFOVAngle (view->GetCamera ()->GetFOVAngle(), 256);
}
// move the camera
csVector3 Position (-0.5, 0, 3 + sin (10 / (10*1000.0))*3);
view->GetCamera ()->Move (Position - view->GetCamera ()
->GetTransform ().GetOrigin ());
// Switch to the context of the procedural texture.
iTextureHandle *oldContext = engine->GetContext ();
engine->SetContext (tex->GetTextureHandle ());
// Draw the engine view.
g3d->BeginDraw (CSDRAW_3DGRAPHICS | engine->GetBeginDrawFlags ()
| CSDRAW_CLEARSCREEN | CSDRAW_CLEARZBUFFER);
g3d->GetDriver2D()->Clear (g3d->GetDriver2D()->FindRGB (0, 255, 0));
view->Draw ();
g3d->FinishDraw ();
// switch back to the old context
engine->SetContext (oldContext);
// Just tell the 3D renderer that everything has been rendered.
//g3d->FinishDraw ();
//g3d->Print (0);
}
This gives http://img488.imageshack.us/img488/3157/archvile4wv8.png , and runs
reaaally slow.
How can I correctly render to a texture? I assume after I've made changes to
it, I just use g3d->DrawPixmap and call BeginDraw, FinishDraw and Print
again?
Thanks.
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