Angus Dorbie (dorbie++at++bitch.reading.sgi.com)
Thu, 1 Aug 1996 22:02:56 +0100
fstats = pfGetChanFStats(chan); /* straight from the manual */
Hope this helps,
Angus.
On Aug 1, 4:39pm, william_marinelli++at++ntsc.navy.mil wrote:
> Subject: Stats in simple.c
>
> I'm trying to grab the number of triangles sent down the pipe and
> do a simple printf. Don't see any evidence of the pfFStatsClassMode
> working out. Fooey. If you could do me a big favor and peruse the
> code below (my code is not indented, SGI's simple.c is), I was
> hoping you could see what I'm missing. I tried the example code in
> the man pages and the programmers guide. Thanks, Bill Marinelli
> See you in New Orleans?
>
>
> #include <stdlib.h>
> #include <Performer/pf.h>
> #include <Performer/pfutil.h>
> #include <Performer/pfdu.h>
>
> /*
> * Usage() -- print usage advice and exit. This
> * procedure is executed in the application process. */ static
> void
> Usage (void)
> {
> pfNotify(PFNFY_FATAL, PFNFY_USAGE, "Usage: simple file.ext ...\n");
> exit(1);
> }
>
>
> int
> main (int argc, char *argv[])
> {
> float t = 0.0f;
> pfScene *scene;
> pfNode *root;
> pfPipe *p;
> pfPipeWindow *pw;
> pfChannel *chan;
> pfSphere bsphere;
> pfFrameStats *fstats;
> float ftmp[5];
> uint qtmp[5];
>
> if (argc < 2)
> Usage();
>
> /* Initialize Performer */
> pfInit();
>
> /* Use default multiprocessing mode based on number of *
> processors.
> */
> pfMultiprocess( PFMP_DEFAULT );
>
> /* Load all loader DSO's before pfConfig() forks */
> pfdInitConverter(argv[1]);
>
> /* initiate multi-processing mode set in pfMultiprocess call
> * FORKs for Performer processes, CULL and DRAW, etc. happen
> here.
> */
> pfConfig();
>
> /* Append to Performer search path, PFPATH, files in *
> /usr/share/Performer/data */
> pfFilePath(".:/usr/share/Performer/data");
>
> /* Read a single file, of any known type. */ if ((root =
> pfdLoadFile(argv[1])) == NULL)
> {
> pfExit();
> exit(-1);
> }
>
> /* Attach loaded file to a new pfScene. */ scene = pfNewScene();
> pfAddChild(scene, root);
> /* Create a pfLightSource and attach it to scene. */
> pfAddChild(scene, pfNewLSource());
>
> /* Configure and open GL window */
> p = pfGetPipe(0);
> pw = pfNewPWin(p);
> pfPWinType(pw, PFPWIN_TYPE_X);
> pfPWinName(pw, "IRIS Performer");
> pfPWinOriginSize(pw, 0, 0, 500, 500); /* Open and configure the GL
> window. */ pfOpenPWin(pw);
>
> /* Create and configure a pfChannel. */ chan = pfNewChan(p);
> pfChanScene(chan, scene);
> pfChanFOV(chan, 45.0f, 0.0f);
>
>
> /* determine extent of scene's geometry */ pfGetNodeBSphere (root,
> &bsphere);
> pfChanNearFar(chan, 1.0f, 10.0f * bsphere.radius);
>
> pfFStatsClass(fstats,PFSTATS_ALL, PFSTATS_ON); pfFStatsClassMode(fstats,
> PFSTATS_GFX,
> PFSTATS_GFX_GEOM,PFSTATS_SET);
> printf("I think it thinks the Frame Stats class mode is %d \n",
> pfGetFStatsClassMode(fstats, PFSTATS_GFX));
>
> /* Simulate for twenty seconds. */
> while (t < 4.0f)
> {
> pfCoord view;
> float s, c;
>
>
> /* Go to sleep until next frame time. */ pfSync();
>
> /* Initiate cull/draw for this frame. */ pfFrame();
>
> qtmp[0] = PFFSTATS_BUF_AVG | PFSTATSVAL_GFX_GEOM_TRIS; qtmp[1] =
> PFFSTATS_BUF_AVG | PFFSTATSVAL_PFTIMES_PROC_TOTAL; qtmp[2] =
> PFFSTATS_BUF_AVG | PFSTATSVAL_CPU_SYS_BUSY; qtmp[3] = NULL;
>
> pfMQueryFStats(fstats, qtmp, ftmp, sizeof(ftmp));
>
> fprintf(stderr, "Query num tris: %.0f\n", ftmp[0]);
> fprintf(stderr, "Query frame time: %.0f msecs\n", ftmp[1]*1000.0f);
> fprintf(stderr, "Query sys busy: %.0f%%\n", ftmp[2]);
>
> /* Compute new view position. */
> t = pfGetTime();
> pfSinCos(45.0f*t, &s, &c);
> pfSetVec3(view.hpr, 45.0f*t, -10.0f, 0); pfSetVec3(view.xyz, 2.0f *
> bsphere.radius * s,
> -2.0f * bsphere.radius *c,
> 0.5f * bsphere.radius);
> pfChanView(chan, view.xyz, view.hpr);
>
> }
>
> /* Terminate parallel processes and exit. */ pfExit(); }
>
>
>
>
> =======================================================================
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>-- End of excerpt from william_marinelli++at++ntsc.navy.mil
=======================================================================
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