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[diderot] Diff of /benchmarks/programs/vr-lite-cam/bmark-teem.c
[diderot] / benchmarks / programs / vr-lite-cam / bmark-teem.c  
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Diff of /benchmarks/programs/vr-lite-cam/bmark-teem.c

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revision 1604, Thu Nov 3 21:01:37 2011 UTC revision 1605, Thu Nov 3 21:03:18 2011 UTC
# Line 65  Line 65 
65    
66  STATIC_INLINE bool inside(double pos[3])  STATIC_INLINE bool inside(double pos[3])
67  {  {
68    // XXX - Hack    // XXX - Hack specific to ../../data/vfrhand-nohip.nhdr"
69    if(pos[0] < -0.5 || pos[0] > 175.5) return false;    // but for some reason still not matching what Diderot says
70    if(pos[1] < -0.5 || pos[1] > 186.5) return false;    if(pos[0] < 2*0.9375 || pos[0] > (176-3)*0.9375) return false;
71    if(pos[2] < -0.5 || pos[2] > 189.5) return false;    if(pos[1] < 2*0.9375 || pos[1] > (187-3)*0.9375) return false;
72      if(pos[2] < 2.0      || pos[2] > (190-3)) return false;
73    return true;    return true;
74  }  }
75    
# Line 86  Line 87 
87  {  {
88    const char *me = argv[0];    const char *me = argv[0];
89    char *infile = "../../data/vfrhand-nohip.nhdr";    char *infile = "../../data/vfrhand-nohip.nhdr";
90    char *outfile = "vr-lite-cam.pgm";    char *outfile = "bmark-teem.nrrd";
91    double camEye[3] = {127.331, -1322.05, 272.53};    double camEye[3] = {127.331, -1322.05, 272.53};
92    double camAt[3] = {63.0, 82.6536, 98.0};    double camAt[3] = {63.0, 82.6536, 98.0};
93    double camUp[3] = {0.9987, 0.0459166, -0.0221267};    double camUp[3] = {0.9987, 0.0459166, -0.0221267};
# Line 95  Line 96 
96    double camFOV = 5.0;    double camFOV = 5.0;
97    int imgResU = 480;    int imgResU = 480;
98    int imgResV = 345;    int imgResV = 345;
99    double rayStep = 0.5;    double rayStep = 0.1;
100    double valOpacMin = 400.0;        // 400.0 for skin, 1150.0 for bone    double valOpacMin = 400.0;        // 400.0 for skin, 1150.0 for bone
101    double valOpacMax = 700.0;        // 700.0 for skin, 1450.0 for bone    double valOpacMax = 700.0;        // 700.0 for skin, 1450.0 for bone
102    
103    
104    double temp[3];    double temp[3];
105    double temp2[3];    double temp2[3];
106    double temp3[3];    double temp3[3];
# Line 137  Line 140 
140    nin = nrrdNew();    nin = nrrdNew();
141    airMopAdd(mop, nin, (airMopper)nrrdNuke, airMopAlways);    airMopAdd(mop, nin, (airMopper)nrrdNuke, airMopAlways);
142    
143      // Get data for mip
144    if (nrrdLoad(nin, infile, NULL)) {    if (nrrdLoad(nin, infile, NULL)) {
145      airMopAdd(mop, err = biffGetDone(NRRD), airFree, airMopAlways);      airMopAdd(mop, err = biffGetDone(NRRD), airFree, airMopAlways);
146      fprintf(stderr, "Trouble reading \"%s\":\n%s", infile, err);      fprintf(stderr, "%s: Trouble reading \"%s\":\n%s", me, infile, err);
147      airMopError(mop);      airMopError(mop);
148      return -1;      return -1;
149    }    }
150    
   // Get data for mip  
151    gageContext *ctx;    gageContext *ctx;
152    gagePerVolume *pvl;    gagePerVolume *pvl;
153    const double *val;    const double *val;
154    const double *grad;    const double *grad;
155    double kparm[NRRD_KERNEL_PARMS_NUM] = {0.0};    double kparm[NRRD_KERNEL_PARMS_NUM] = {0.0};
   int E;  
156    
157    ctx = gageContextNew();    ctx = gageContextNew();
158    airMopAdd(mop, ctx, (airMopper)gageContextNix, airMopAlways);    airMopAdd(mop, ctx, (airMopper)gageContextNix, airMopAlways);
159    pvl = gagePerVolumeNew(ctx, nin, gageKindScl);    if (!( pvl = gagePerVolumeNew(ctx, nin, gageKindScl) )) {
160    if (!( ctx && pvl )) {      airMopAdd(mop, err = biffGetDone(GAGE), airFree, airMopAlways);
161      fprintf(stderr, "%s: couldn't allocate gage ctx or pvl", me);      fprintf(stderr, "%s: couldn't create gage context:\n%s", me, err);
162      airMopError(mop);      airMopError(mop);
163      return -1;      return -1;
164    }    }
# Line 167  Line 169 
169        || gageQueryItemOn(ctx, pvl, gageSclGradVec)        || gageQueryItemOn(ctx, pvl, gageSclGradVec)
170        || gageUpdate(ctx)) {        || gageUpdate(ctx)) {
171      airMopAdd(mop, err = biffGetDone(GAGE), airFree, airMopAlways);      airMopAdd(mop, err = biffGetDone(GAGE), airFree, airMopAlways);
172      fprintf(stderr, "Trouble setting up gage context:\n%s", err);      fprintf(stderr, "%s: Trouble setting up gage context:\n%s", me, err);
173      airMopError(mop);      airMopError(mop);
174      return -1;      return -1;
175    }    }
176    
177    if (!( (val = gageAnswerPointer(ctx, pvl, gageSclValue))    if (!( (val = gageAnswerPointer(ctx, pvl, gageSclValue))
178           && (grad = gageAnswerPointer(ctx, pvl, gageSclGradVec)) )) {           && (grad = gageAnswerPointer(ctx, pvl, gageSclGradVec)) )) {
179      fprintf(stderr, "Trouble getting answer pointer\n");      fprintf(stderr, "%s: Trouble getting answer pointer\n", me);
180      airMopError(mop);      airMopError(mop);
181      return -1;      return -1;
182    }    }
# Line 182  Line 184 
184    int ui, vi;    int ui, vi;
185    double rayU, rayV, rayN;    double rayU, rayV, rayN;
186    double rayVec[3];    double rayVec[3];
187    double rayDir[3];    double toEye[3];
188    double rayPos[3];    double rayPos[3];
189    double transp, gray;    double transp, gray;
   double output[4];  
190    double norm[3];    double norm[3];
191    double alpha;    double alpha;
192    double ld;    double ld;
193    double hd;    double hd;
194    double mat;    double mat;
   bool set = false;  
   double max_gray = 0;  
   double min_gray = 0;  
195    
196    // allocate image and output    // allocate output image
197    Nrrd *nimg = nrrdNew();    Nrrd *nimg = nrrdNew();
198    airMopAdd(mop, nimg, (airMopper)nrrdNuke, airMopAlways);    airMopAdd(mop, nimg, (airMopper)nrrdNuke, airMopAlways);
   Nrrd *nout = nrrdNew();  
   airMopAdd(mop, nout, (airMopper)nrrdNuke, airMopAlways);  
199    if (nrrdAlloc_va(nimg, nrrdTypeDouble, 3,    if (nrrdAlloc_va(nimg, nrrdTypeDouble, 3,
200                     AIR_CAST(size_t, 4),                     AIR_CAST(size_t, 4),
201                     AIR_CAST(size_t, imgResU),                     AIR_CAST(size_t, imgResU),
                    AIR_CAST(size_t, imgResV))  
       || nrrdAlloc_va(nout, nrrdTypeUChar, 2,  
                       AIR_CAST(size_t, imgResU),  
202                        AIR_CAST(size_t, imgResV))) {                        AIR_CAST(size_t, imgResV))) {
203      airMopAdd(mop, err = biffGetDone(NRRD), airFree, airMopAlways);      airMopAdd(mop, err = biffGetDone(NRRD), airFree, airMopAlways);
204      fprintf(stderr, "Trouble allocating image and output:\n%s", err);      fprintf(stderr, "%s: Trouble allocating image output:\n%s", me, err);
205      airMopError(mop);      airMopError(mop);
206      return -1;      return -1;
207    }    }
208    double *out_data = AIR_CAST(double *, nimg->data);    double *out_data = AIR_CAST(double *, nimg->data);
209    unsigned char *uc_out_data = AIR_CAST(unsigned char *, nout->data);  
210      fprintf(stderr, "hit return\n");
211      fgetc(stdin);
212      fprintf(stderr, "here we go\n");
213    
214    double t0 = airTime(); // start timing    double t0 = airTime(); // start timing
215    for(vi = 0; vi < imgResV; vi++) {    for(vi = 0; vi < imgResV; vi++) {
216      rayV = lerp(-camVmax, camVmax, -0.5, (double)(vi), (double)(imgResV) - 0.5);      rayV = lerp(-camVmax, camVmax, -0.5, (double)(vi), (double)(imgResV) - 0.5);
     scale_vec3(rayV, camV, temp);  
217      for(ui = 0; ui < imgResU; ui++) {      for(ui = 0; ui < imgResU; ui++) {
218          double len;
219        rayU = lerp(-camUmax, camUmax, -0.5, (double)(ui), (double)(imgResU) - 0.5);        rayU = lerp(-camUmax, camUmax, -0.5, (double)(ui), (double)(imgResU) - 0.5);
220        scale_vec3(rayU, camU, temp2);        ELL_3V_SCALE_ADD3(rayVec,   1.0, camN,   rayU/camDist, camU,   rayV/camDist, camV);
221        add3(temp, temp2, temp2);        ELL_3V_SCALE(toEye, -1, rayVec);
222        scale_vec3(camDist, camN, temp3);        ELL_3V_NORM(toEye, toEye, len);
       add3(temp2, temp3, temp3);  
       scale_vec3(1 / camDist, temp3, rayVec);  
       norm3(rayVec, rayDir);  
223        transp = 1;        transp = 1;
224        gray = 0;        gray = 0;
225        output[0] = 0;  
       output[1] = 0;  
       output[2] = 0;  
       output[3] = 0;  
226        for (rayN = camVspNear; rayN <= camVspFar; rayN += rayStep) {        for (rayN = camVspNear; rayN <= camVspFar; rayN += rayStep) {
227          scale_vec3(rayN, rayDir, temp2);          ELL_3V_SCALE_ADD2(rayPos,   1.0, camEye,  rayN, rayVec);
228          add3(temp2, camEye, rayPos);  
229          if (inside(rayPos)) {          if (inside(rayPos)) {
230            if (gageProbe(ctx, rayPos[0], rayPos[1], rayPos[2])) {            if (gageProbeSpace(ctx, rayPos[0], rayPos[1], rayPos[2],
231              fprintf(stderr, "Trouble with gageProbe:\n%s", ctx->errStr);                               AIR_FALSE /* index space */, AIR_TRUE /* clamp */)) {
232                fprintf(stderr, "%s: Trouble with gageProbe:\n%s", me, ctx->errStr);
233              airMopError(mop); return -1;              airMopError(mop); return -1;
234            }            }
235            if (*val > valOpacMin) {            if (*val > valOpacMin) {
236              temp2[0] = -*(grad + 0);              ELL_3V_SCALE(temp2, -1, grad);
237              temp2[1] = -*(grad + 1);              ELL_3V_NORM(norm, temp2, len);
             temp2[2] = -*(grad + 2);  
             norm3(temp2, norm);  
238              alpha = lerp(0.0, 1.0,  valOpacMin, *val, valOpacMax);              alpha = lerp(0.0, 1.0,  valOpacMin, *val, valOpacMax);
239              alpha = (alpha < 1.0) ? alpha : 1;              alpha = (alpha < 1.0) ? alpha : 1;
240              ld = dot3(norm, lightDir);              ld = dot3(norm, lightDir);
241              ld = (ld < 0) ? 0 : ld;              ld = (ld < 0) ? 0 : ld;
242              sub3(camEye, rayPos, temp2);              ELL_3V_ADD2(temp2, toEye, lightDir);
243              norm3(temp2, temp2);              ELL_3V_NORM(temp2, temp2, len);
             add3(temp2, lightDir, temp2);  
             norm3(temp2, temp2);  
244              hd = dot3(norm, temp2);              hd = dot3(norm, temp2);
245              hd = (hd < 0) ? 0 : hd;              hd = (hd < 0) ? 0 : hd;
246              mat = phongKa +              mat = (phongKa +
247                    phongKd * ((ld > 0) ? ld : 0) +                     phongKd * ld +
248                    phongKs * ((hd > 0) ? pow(hd, phongSp) : 0);                     phongKs * pow(hd, phongSp));
249              gray = gray + transp * alpha * mat;              gray = gray + transp * alpha * mat;
250              transp *= 1 - alpha;              transp *= 1 - alpha;
251            }            }
# Line 268  Line 255 
255            break;            break;
256          }          }
257        }        }
       *(out_data + ui * imgResV * 4 + vi * 4 + 0) = gray;  
       *(out_data + ui * imgResV * 4 + vi * 4 + 1) = gray;  
       *(out_data + ui * imgResV * 4 + vi * 4 + 2) = gray;  
       *(out_data + ui * imgResV * 4 + vi * 4 + 3) = 1.0f - transp;  
       if(!set) {  
         max_gray = gray;  
         min_gray = gray;  
         set = true;  
       }  
       max_gray = (gray > max_gray) ? gray : max_gray;  
       min_gray = (gray < min_gray) ? gray : min_gray;  
     }  
   }  
258    
259    for(vi = 0; vi < imgResV; vi++) {        ELL_4V_SET(out_data + 4*(ui + imgResU*vi), gray, gray, gray, 1.0-transp);
260      for(ui = 0; ui < imgResU; ui++) {  
       *(uc_out_data + vi * imgResU + ui) = ulerp(min_gray, *(out_data + ui * imgResV * 4 + vi * 4 + 0), max_gray);  
261      }      }
262    }    }
263    
264    double totalTime = airTime() - t0;    double totalTime = airTime() - t0;
265    printf("usr=%f\n", totalTime);    printf("usr=%f\n", totalTime);
266    
267    if (nrrdSave(outfile, nout, NULL)) {    if (nrrdSave(outfile, nimg, NULL)) {
268      airMopAdd(mop, err = biffGetDone(NRRD), airFree, airMopAlways);      airMopAdd(mop, err = biffGetDone(NRRD), airFree, airMopAlways);
269      fprintf(stderr, "Trouble writing output:\n%s", err);      fprintf(stderr, "%s: Trouble writing output:\n%s", me, err);
270      airMopError(mop);      airMopError(mop);
271      return -1;      return -1;
272    }    }
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