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xash3d-fwgs
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rtx: do not kill bounces too early 

fixes dark roughness blots
This commit is contained in:
Ivan 'provod' Avdeev 2021-11-12 09:13:03 -08:00
parent 87095c59da
commit 59a15a0580
1 changed files with 3 additions and 1 deletions
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4
ref_vk/shaders/ray.rgen
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@ -12,6 +12,7 @@ const float shadow_offset_fudge = .1;
const float pdf_culling_threshold = 100.;
const float color_factor = 600.;
const float color_culling_threshold = 600./color_factor;
const float throughput_threshold = 1e-3;
layout (constant_id = 4) const float LIGHT_GRID_CELL_SIZE = 256.;
layout (constant_id = 5) const uint MAX_LIGHT_CLUSTERS = 32768;
@ -404,6 +405,7 @@ void main() {
material.baseColor = payload_opaque.base_color;
material.metalness = 0.f; // TODO
material.emissive = payload_opaque.emissive;
//material.roughness = uintToFloat01(xxhash32(uvec3(floor(payload_opaque.hit_pos_t.xyz/64.)))); //payload_opaque.roughness;
material.roughness = payload_opaque.roughness;
if (bounce == 0) { //brdfType == SPECULAR_TYPE)
@ -475,7 +477,7 @@ void main() {
}
throughput *= brdfWeight;
if (dot(throughput, throughput) < color_culling_threshold)
if (dot(throughput, throughput) < throughput_threshold)
break;
origin = payload_opaque.hit_pos_t.xyz;