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main sync #3

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Patrick Busch merged 318 commits from blender/blender:main into main 2023-03-17 15:52:21 +01:00
Conversation 0 Commits 318 Files Changed 1069 +4 -9
1 changed files with 4 additions and 9 deletions
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Showing only changes of commit f9922b7074 - Show all commits

13
intern/cycles/kernel/device/cpu/bvh.h
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@ -47,7 +47,6 @@ struct CCLIntersectContext {
uint num_hits;
uint num_recorded_hits;
float throughput;
float max_t;
bool opaque_hit;
/* for SSS Rays: */
@ -67,7 +66,6 @@ struct CCLIntersectContext {
num_hits = 0;
num_recorded_hits = 0;
throughput = 1.0f;
max_t = FLT_MAX;
opaque_hit = false;
isect_s = NULL;
local_isect = NULL;
@ -227,7 +225,7 @@ ccl_device void kernel_embree_filter_occluded_func(const RTCFilterFunctionNArgum
/* Current implementation in Cycles assumes only single-ray intersection queries. */
assert(args->N == 1);
const RTCRay *ray = (RTCRay *)args->ray;
RTCRay *ray = (RTCRay *)args->ray;
RTCHit *hit = (RTCHit *)args->hit;
CCLIntersectContext *ctx = ((IntersectContext *)args->context)->userRayExt;
const KernelGlobalsCPU *kg = ctx->kg;
@ -268,7 +266,7 @@ ccl_device void kernel_embree_filter_occluded_func(const RTCFilterFunctionNArgum
/* Test if we need to record this transparent intersection. */
const uint max_record_hits = min(ctx->max_hits, INTEGRATOR_SHADOW_ISECT_SIZE);
if (ctx->num_recorded_hits < max_record_hits || ray->tfar < ctx->max_t) {
if (ctx->num_recorded_hits < max_record_hits) {
/* If maximum number of hits was reached, replace the intersection with the
* highest distance. We want to find the N closest intersections. */
const uint num_recorded_hits = min(ctx->num_recorded_hits, max_record_hits);
@ -289,11 +287,8 @@ ccl_device void kernel_embree_filter_occluded_func(const RTCFilterFunctionNArgum
isect_index = max_recorded_hit;
}
/* Limit the ray distance and stop counting hits beyond this.
* TODO: is there some way we can tell Embree to stop intersecting beyond
* this distance when max number of hits is reached?. Or maybe it will
* become irrelevant if we make max_hits a very high number on the CPU. */
ctx->max_t = max(current_isect.t, max_t);
/* Limit the ray distance and stop counting hits beyond this. */
ray->tfar = max(current_isect.t, max_t);
}
integrator_state_write_shadow_isect(ctx->isect_s, &current_isect, isect_index);