Differential D830 Diff 8201 intern/cycles/kernel/bvh/qbvh_shadow_all.h

Changeset View

Standalone View

Show First 20 Lines • Show All 335 Lines • ▼ Show 20 Lines	#endif
default: {		default: {
hit = false;		hit = false;
break;		break;
}		}
}		}

/* Shadow ray early termination. */		/* Shadow ray early termination. */
if(hit) {		if(hit) {
/* detect if this surface has a shader with transparent shadows */		/* Detect if this surface has a shader with transparent shadows.
		* if no transparent shadows, all light is blocked.
/* todo: optimize so primitive visibility flag indicates if		*/
* the primitive has a transparent shadow shader? */		if((kernel_tex_fetch(__prim_visibility, prim_addr) & PATH_RAY_HAS_TRANSPARENT_SURFACE) == 0) {
int prim = kernel_tex_fetch(__prim_index, isect_array->prim);
int shader = 0;

#ifdef __HAIR__
if(kernel_tex_fetch(__prim_type, isect_array->prim) & PRIMITIVE_ALL_TRIANGLE)
#endif
{
shader = kernel_tex_fetch(__tri_shader, prim);
}
#ifdef __HAIR__
else {
float4 str = kernel_tex_fetch(__curves, prim);
shader = __float_as_int(str.z);
}
#endif
int flag = kernel_tex_fetch(__shader_flag, (shader & SHADER_MASK)*SHADER_SIZE);

/* if no transparent shadows, all light is blocked */
if(!(flag & SD_HAS_TRANSPARENT_SHADOW)) {
return true;		return true;
}		}
/* if maximum number of hits reached, block all light */		/* if maximum number of hits reached, block all light */
else if(*num_hits == max_hits) {		else if(*num_hits == max_hits) {
return true;		return true;
}		}

/* move on to next entry in intersections array */		/* move on to next entry in intersections array */
▲ Show 20 Lines • Show All 113 Lines • Show Last 20 Lines