- moved fbtex to post.c, made it a ping-pong buffer, added fbos for it.

[demo_prior] / sdr / whitted.p.glsl

diff --git a/sdr/whitted.p.glsl b/sdr/whitted.p.glsl
index 3fa4308..44bb180 100644 (file)
--- a/sdr/whitted.p.glsl
+++ b/sdr/whitted.p.glsl
@@ -169,6 +169,7 @@ vec3 backdrop(in vec3 dir)
 #define FLOOR_OFFS     vec3(3.0, 0.0, 0.0)
 #define FLOOR_SIZE     vec2(5.5, 15.0)
 
+#define REFL_POS       vec3(1.36, -0.5, 0.0)
 #define GLASS_POS      vec3(0.0, 0.2, 1.2)
 
 bool isect_scene(in vec3 ro, in vec3 rd, out HitPoint hit_res)
@@ -178,7 +179,7 @@ bool isect_scene(in vec3 ro, in vec3 rd, out HitPoint hit_res)
 
        nearest.dist = 10000.0;
 
-       if(isect_sphere(ro, rd, vec3(1.5, -0.5, 0.0), 0.85, hit)) {
+       if(isect_sphere(ro, rd, REFL_POS, 0.85, hit)) {
                nearest = hit;
                nearest.mtl = mtl_sph;
                if(hit.dist < 1.0) {