1.1 --- a/rt.cl	Sat Aug 07 03:36:36 2010 +0100
     1.2 +++ b/rt.cl	Sun Aug 08 09:51:45 2010 +0100
     1.3 @@ -4,6 +4,7 @@
     1.4  	int xsz, ysz;
     1.5  	int num_faces, num_lights;
     1.6  	int max_iter;
     1.7 +	int dbg;
     1.8  };
     1.9  
    1.10  struct Vertex {
    1.11 @@ -59,17 +60,26 @@
    1.12  		global const struct Light *lights,
    1.13  		global const struct Ray *primrays,
    1.14  		global const float *xform,
    1.15 -		global const float *invtrans)
    1.16 +		global const float *invtrans,
    1.17 +		global struct Face *outfaces)
    1.18  {
    1.19  	int idx = get_global_id(0);
    1.20 +	
    1.21 +	if(idx == 0) {
    1.22 +		for(int i=0; i<rinf->num_faces; i++) {
    1.23 +			outfaces[i] = faces[i];
    1.24 +		}
    1.25 +	}
    1.26  
    1.27  	struct Ray ray = transform_ray(primrays + idx, xform, invtrans);
    1.28  
    1.29  	struct SurfPoint sp, sp0;
    1.30  	sp0.t = FLT_MAX;
    1.31  	sp0.obj = 0;
    1.32 +	
    1.33 +	int max_faces = min(rinf->num_faces, rinf->dbg);
    1.34  
    1.35 -	for(int i=0; i<rinf->num_faces; i++) {
    1.36 +	for(int i=0; i<max_faces; i++) {
    1.37  		if(intersect(ray, faces + i, &sp) && sp.t < sp0.t) {
    1.38  			sp0 = sp;
    1.39  		}
    1.40 @@ -94,7 +104,7 @@
    1.41  		entering = false;
    1.42  	}
    1.43  
    1.44 -	float4 dcol = (float4)(0, 0, 0, 0);
    1.45 +	float4 dcol = (float4)(0.07, 0.07, 0.07, 0);
    1.46  	float4 scol = (float4)(0, 0, 0, 0);
    1.47  
    1.48  	for(int i=0; i<num_lights; i++) {