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vk: fix negative shadow ray length validation error

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This commit is contained in:
Ivan Avdeev 2024-05-22 10:43:54 -07:00
parent c2a71a326f
commit d3171d97e7
1 changed files with 5 additions and 1 deletions
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6
ref/vk/shaders/light_common.glsl
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@ -83,6 +83,10 @@ bool shadowed(vec3 pos, vec3 dir, float dist) {
return payload_shadow.hit_type == SHADOW_HIT;
#elif defined(RAY_QUERY)
{
dist -= shadow_offset_fudge;
if (dist <= 0.)
return false;
const uint flags = 0
// Culling for shadows breaks more things (e.g. de_cbble slightly off the ground boxes) than it probably fixes. Keep it turned off.
//| gl_RayFlagsCullFrontFacingTrianglesEXT
@ -90,7 +94,7 @@ bool shadowed(vec3 pos, vec3 dir, float dist) {
| gl_RayFlagsTerminateOnFirstHitEXT
;
rayQueryEXT rq;
rayQueryInitializeEXT(rq, tlas, flags, GEOMETRY_BIT_OPAQUE, pos, 0., dir, dist - shadow_offset_fudge);
rayQueryInitializeEXT(rq, tlas, flags, GEOMETRY_BIT_OPAQUE, pos, 0., dir, dist);
while (rayQueryProceedEXT(rq)) {}
if (rayQueryGetIntersectionTypeEXT(rq, true) == gl_RayQueryCommittedIntersectionTriangleEXT)