Example #1
0
static void bake_set_shade_input(ObjectInstanceRen *obi, VlakRen *vlr, ShadeInput *shi, int quad, int UNUSED(isect), int x, int y, float u, float v)
{
	if (quad)
		shade_input_set_triangle_i(shi, obi, vlr, 0, 2, 3);
	else
		shade_input_set_triangle_i(shi, obi, vlr, 0, 1, 2);
		
	/* cache for shadow */
	shi->samplenr = R.shadowsamplenr[shi->thread]++;

	shi->mask = 0xFFFF; /* all samples */

	shi->u = -u;
	shi->v = -v;
	shi->xs = x;
	shi->ys = y;

	shade_input_set_uv(shi);
	shade_input_set_normals(shi);

	/* no normal flip */
	if (shi->flippednor)
		shade_input_flip_normals(shi);

	/* set up view vector to look right at the surface (note that the normal
	 * is negated in the renderer so it does not need to be done here) */
	shi->view[0] = shi->vn[0];
	shi->view[1] = shi->vn[1];
	shi->view[2] = shi->vn[2];
}
Example #2
0
static void occ_shade(ShadeSample *ssamp, ObjectInstanceRen *obi, VlakRen *vlr, float *rad)
{
	ShadeInput *shi = ssamp->shi;
	ShadeResult *shr = ssamp->shr;
	float l, u, v, *v1, *v2, *v3;
	
	/* init */
	if (vlr->v4) {
		shi->u = u = 0.5f;
		shi->v = v = 0.5f;
	}
	else {
		shi->u = u = 1.0f / 3.0f;
		shi->v = v = 1.0f / 3.0f;
	}

	/* setup render coordinates */
	v1 = vlr->v1->co;
	v2 = vlr->v2->co;
	v3 = vlr->v3->co;
	
	/* renderco */
	l = 1.0f - u - v;
	
	shi->co[0] = l * v3[0] + u * v1[0] + v * v2[0];
	shi->co[1] = l * v3[1] + u * v1[1] + v * v2[1];
	shi->co[2] = l * v3[2] + u * v1[2] + v * v2[2];

	shade_input_set_triangle_i(shi, obi, vlr, 0, 1, 2);

	/* set up view vector */
	copy_v3_v3(shi->view, shi->co);
	normalize_v3(shi->view);
	
	/* cache for shadow */
	shi->samplenr++;

	shi->xs = 0; /* TODO */
	shi->ys = 0;
	
	shade_input_set_normals(shi);

	/* no normal flip */
	if (shi->flippednor)
		shade_input_flip_normals(shi);

	madd_v3_v3fl(shi->co, shi->facenor, -0.0001f); /* ugly.. */

	/* not a pretty solution, but fixes common cases */
	if (shi->obr->ob && shi->obr->ob->transflag & OB_NEG_SCALE) {
		negate_v3(shi->vn);
		negate_v3(shi->vno);
		negate_v3(shi->nmapnorm);
	}

	/* init material vars */
	shade_input_init_material(shi);

	/* render */
	shade_input_set_shade_texco(shi);

	if (shi->mat->nodetree && shi->mat->use_nodes) {
		ntreeShaderExecTree(shi->mat->nodetree, shi, shr);
		shi->mat = vlr->mat;  /* shi->mat is being set in nodetree */
	}
	else {
		shade_material_loop(shi, shr);
	}

	copy_v3_v3(rad, shr->combined);
}
Example #3
0
static void occ_shade(ShadeSample *ssamp, ObjectInstanceRen *obi, VlakRen *vlr, float *rad)
{
	ShadeInput *shi= ssamp->shi;
	ShadeResult *shr= ssamp->shr;
	float l, u, v, *v1, *v2, *v3;
	
	/* init */
	if(vlr->v4) {
		shi->u= u= 0.5f;
		shi->v= v= 0.5f;
	}
	else {
		shi->u= u= 1.0f/3.0f;
		shi->v= v= 1.0f/3.0f;
	}

	/* setup render coordinates */
	v1= vlr->v1->co;
	v2= vlr->v2->co;
	v3= vlr->v3->co;
	
	/* renderco */
	l= 1.0f-u-v;
	
	shi->co[0]= l*v3[0]+u*v1[0]+v*v2[0];
	shi->co[1]= l*v3[1]+u*v1[1]+v*v2[1];
	shi->co[2]= l*v3[2]+u*v1[2]+v*v2[2];

	shade_input_set_triangle_i(shi, obi, vlr, 0, 1, 2);

	/* set up view vector */
	copy_v3_v3(shi->view, shi->co);
	normalize_v3(shi->view);
	
	/* cache for shadow */
	shi->samplenr++;
	
	shi->xs= 0; // TODO
	shi->ys= 0;
	
	shade_input_set_normals(shi);

	/* no normal flip */
	if(shi->flippednor)
		shade_input_flip_normals(shi);

	madd_v3_v3fl(shi->co, shi->vn, 0.0001f); /* ugly.. */

	/* not a pretty solution, but fixes common cases */
	if(shi->obr->ob && shi->obr->ob->transflag & OB_NEG_SCALE) {
		negate_v3(shi->vn);
		negate_v3(shi->vno);
		negate_v3(shi->nmapnorm);
	}

	/* init material vars */
	// note, keep this synced with render_types.h
	memcpy(&shi->r, &shi->mat->r, 23*sizeof(float));
	shi->har= shi->mat->har;
	
	/* render */
	shade_input_set_shade_texco(shi);
	shade_material_loop(shi, shr); /* todo: nodes */
	
	copy_v3_v3(rad, shr->combined);
}