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Comparing ray/src/common/bsdf.h (file contents):
Revision 2.17 by greg, Sun Mar 4 20:11:10 2012 UTC vs.
Revision 2.19 by greg, Sun Sep 2 15:33:15 2012 UTC

# Line 78 | Line 78 | typedef struct SDCDst_s {
78          /* ...encoded distribution extends struct */
79   } SDCDst;
80  
81 + extern const SDCDst     SDemptyCD;      /* empty distribution */
82 +
83   /* Forward declaration of BSDF component */
84   typedef struct SDComp_s SDComponent;
85  
# Line 118 | Line 120 | typedef struct {
120   /* Loaded BSDF data */
121   typedef struct {
122          char            name[SDnameLn]; /* BSDF name (usu. derived from file) */
123 +        char            matn[SDnameLn]; /* material name */
124 +        char            makr[SDnameLn]; /* manufacturer */
125          char            *mgf;           /* geometric description (if any) */
126          float           dim[3];         /* width, height, thickness (meters) */
127          SDValue         rLambFront;     /* diffuse front reflectance */
128          SDValue         rLambBack;      /* diffuse rear reflectance */
129          SDValue         tLamb;          /* diffuse transmission */
130 <        SDSpectralDF    *rf, *rb, *tf;  /* non-diffuse BSDF components */
130 >        SDSpectralDF    *rf, *rb;       /* non-diffuse BRDF components */
131 >        SDSpectralDF    *tf, *tb;       /* non-diffuse BTDF components */
132   } SDData;
133  
134   /* List of loaded BSDFs */

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