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light: add more performance stats

This commit is contained in:
Eric Wasylishen 2016-08-09 17:11:08 -06:00
parent 0c63d61a60
commit 1d4de5c17d
3 changed files with 13 additions and 4 deletions
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1
include/light/ltface.hh
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@ -40,6 +40,7 @@
#include <atomic>
extern std::atomic<uint32_t> total_light_rays, total_light_ray_hits, total_samplepoints;
extern std::atomic<uint32_t> total_bounce_rays, total_bounce_ray_hits;
void FaceCentroid(const bsp2_dface_t *face, const bsp2_t *bsp, vec3_t out);
void WorldToTexCoord(const vec3_t world, const texinfo_t *tex, vec_t coord[2]);

12
light/light.cc
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@ -1738,11 +1738,15 @@ main(int argc, const char **argv)
WriteBSPFile(source, &bspdata);
end = I_FloatTime();
logprint("%5.3f seconds elapsed\n", end - start);
logprint("%f lights tested per sample point\n",
static_cast<double>(total_light_rays) / static_cast<double>(total_samplepoints));
logprint("%f lights hit per sample point\n",
logprint("\n");
logprint("stats:\n");
logprint("%f lights tested, %f hits per sample point\n",
static_cast<double>(total_light_rays) / static_cast<double>(total_samplepoints),
static_cast<double>(total_light_ray_hits) / static_cast<double>(total_samplepoints));
logprint("%f bounce lights tested, %f hits per sample point\n",
static_cast<double>(total_bounce_rays) / static_cast<double>(total_samplepoints),
static_cast<double>(total_bounce_ray_hits) / static_cast<double>(total_samplepoints));
close_log();
return 0;

4
light/ltface.cc
View File

@ -27,6 +27,7 @@
#include <cassert>
std::atomic<uint32_t> total_light_rays, total_light_ray_hits, total_samplepoints;
std::atomic<uint32_t> total_bounce_rays, total_bounce_ray_hits;
static void
PrintFaceInfo(const bsp2_dface_t *face, const bsp2_t *bsp);
@ -1847,6 +1848,7 @@ LightFace_Bounce(const bsp2_t *bsp, const bsp2_dface_t *face, const lightsurf_t
rs->pushRay(i, vpl.pos, dir, dist, /*shadowself*/ nullptr, indirect);
}
total_bounce_rays += rs->numPushedRays();
rs->tracePushedRaysOcclusion();
const int N = rs->numPushedRays();
@ -1869,6 +1871,8 @@ LightFace_Bounce(const bsp2_t *bsp, const bsp2_dface_t *face, const lightsurf_t
lightsample_t *sample = &lightmap->samples[i];
VectorAdd(sample->color, indirect, sample->color);
total_bounce_ray_hits++;
}
}