diff -r 76b254ce92cf -r 6493fb65f0b1 ccdemos/common_sdl.h
--- a/ccdemos/common_sdl.h	Wed Mar 19 17:18:59 2008 +0100
+++ b/ccdemos/common_sdl.h	Wed Mar 26 00:52:27 2008 +0100
@@ -21,7 +21,7 @@
 	sprintf(s, "fps:%3d.%1d", fp10s/10, fp10s%10);
 	SDL_WM_SetCaption(s, NULL);
 
-	rt.render(w, h, render_buffer);
+	rt.render();
 
 	if (SDL_MUSTLOCK(screen))
 		if (SDL_LockSurface(screen) < 0)
@@ -59,6 +59,8 @@
 
 	pyrit_verbosity = 0;
 	render_buffer = (Float *) malloc(w*h*3*sizeof(Float));
+	DefaultSampler sampler(render_buffer, w, h);
+	rt.setSampler(&sampler);
 
 	if( SDL_Init(SDL_INIT_VIDEO) < 0 ) {
 		fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError());
@@ -83,6 +85,7 @@
 					w = (event.resize.w-1) / 8 * 8 + 8;
 					h = (event.resize.h-1) / 8 * 8 + 8;
 					render_buffer = (Float *) realloc(render_buffer, w*h*3*sizeof(Float));
+					sampler.resetBuffer(render_buffer, w, h);
 					screen = SDL_SetVideoMode(w, h, 32, SDL_HWSURFACE|SDL_DOUBLEBUF|SDL_RESIZABLE);
 					break;
 				case SDL_KEYDOWN: