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Fixed SSR at distance

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This commit is contained in:
Joshua Barretto 2022-10-10 20:44:17 +01:00
parent bc4c93bc5e
commit 8dd63940b0
1 changed files with 17 additions and 17 deletions
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34
assets/voxygen/shaders/clouds-frag.glsl
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@ -136,7 +136,7 @@ void main() {
vec2 new_uv = (clip.xy / max(clip.w, 0)) * 0.5 * vec2(1, -1) + 0.5;
#ifdef EXPERIMENTAL_SCREENSPACEREFLECTIONSCASTING
vec3 ray_end = wpos + refl_dir * 100.0;
vec3 ray_end = wpos + refl_dir * 5.0 * dist;
float t = 0.0;
float lastd = 0.0;
const int MAIN_ITERS = 64;
@ -144,28 +144,29 @@ void main() {
vec3 swpos = mix(wpos, ray_end, t);
vec3 svpos = (view_mat * vec4(swpos, 1)).xyz;
vec4 clippos = proj_mat * vec4(svpos, 1);
new_uv = (clippos.xy / clippos.w) * 0.5 * vec2(1, -1) + 0.5;
float d = -depth_at(new_uv);
vec2 suv = (clippos.xy / clippos.w) * 0.5 * vec2(1, -1) + 0.5;
float d = -depth_at(suv);
if (d < svpos.z * 0.8 && d > svpos.z * 0.999) {
t -= 1.0 / float(MAIN_ITERS);
const int ITERS = 8;
float diff = 1.0 / float(MAIN_ITERS);
for (int i = 0; i < ITERS; i ++) {
vec3 swpos = mix(wpos, ray_end, t);
svpos = (view_mat * vec4(swpos, 1)).xyz;
vec4 clippos = proj_mat * vec4(svpos, 1);
vec2 suv = (clippos.xy / clippos.w) * 0.5 * vec2(1, -1) + 0.5;
float d = -depth_at(suv);
t += ((d > svpos.z * 0.999) ? -1.0 : 1.0) * diff;
diff *= 0.5;
new_uv = suv;
}
break;
}
lastd = d;
t += 1.0 / float(MAIN_ITERS);
lastd = d;
}
const int ITERS = 8;
float diff = 1.0 / float(MAIN_ITERS);
for (int i = 0; i < ITERS; i ++) {
vec3 swpos = mix(wpos, ray_end, t);
vec3 svpos = (view_mat * vec4(swpos, 1)).xyz;
vec4 clippos = proj_mat * vec4(svpos, 1);
new_uv = (clippos.xy / clippos.w) * 0.5 * vec2(1, -1) + 0.5;
float d = -depth_at(new_uv);
t += ((d > svpos.z * 0.999) ? -1.0 : 1.0) * diff;
diff *= 0.5;
}
#endif
new_uv = clamp(new_uv, vec2(0), vec2(1));
@ -182,7 +183,6 @@ void main() {
)
);
//vec2 new_uv = uv * vec2(1, -1) + vec2(0, 1.1) / (1.0 + dist * 0.000001) + vec2(0, dir.z);
color.rgb = mix(color.rgb, texture(sampler2D(t_src_color, s_src_color), new_uv).rgb, merge);
wpos = new_wpos;
dist = distance(wpos, cam_pos.xyz);
@ -192,7 +192,7 @@ void main() {
#else
{
#endif
//dist = DIST_CAP;
dist = DIST_CAP;
}
}
/* color.rgb = vec3(sin(depth_at(uv) * 3.14159 * 2) * 0.5 + 0.5); */