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+ | O3 faster bvh build and display informations

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TheRedShip
2025-01-20 10:11:54 +01:00
parent 84b0f22127
commit 0f32453088
8 changed files with 31 additions and 30 deletions
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30
srcs/class/Scene.cpp
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@ -58,21 +58,8 @@ bool Scene::parseScene(char *name)
}
file.close();
std::cout << "Parsing done" << std::endl;
// std::cout << "Starting BVH" << std::endl;
// BVH *bvh = new BVH(_gpu_triangles, 0, _gpu_triangles.size());
// _gpu_bvh = bvh->getGPUBvhs();
// std::cout << "BVH Done: " << std::endl;
// std::cout << "\tBVH size: " << bvh->getSize() << std::endl;
// std::cout << "\tBVH leaves: " << bvh->getLeaves() << std::endl << std::endl;
// BVHStats stats = bvh->analyzeBVHLeaves(bvh);
// std::cout << "\tMin triangles per leaf: " << stats.min_triangles << std::endl;
// std::cout << "\tMax triangles per leaf: " << stats.max_triangles << std::endl;
// std::cout << "\tAverage triangles per leaf: " << stats.average_triangles << std::endl << std::endl;
return (true);
}
@ -159,7 +146,11 @@ void Scene::addBvh(std::vector<Triangle> &triangles)
{
GPUBvhData new_bvh_data;
std::vector<GPUBvh> new_bvhs_list;
uint64_t start_time = std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::system_clock::now().time_since_epoch()).count();
std::cout << "New BVH" << std::endl;
BVH *bvh = new BVH(triangles, 0, triangles.size());
new_bvhs_list = bvh->getGPUBvhs();
@ -183,6 +174,17 @@ void Scene::addBvh(std::vector<Triangle> &triangles)
_gpu_triangles.push_back(gpu_triangle);
}
uint64_t time_elapsed = std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::system_clock::now().time_since_epoch()).count() - start_time;
std::cout << "\tBuild done in " << time_elapsed << "ms" << std::endl;
std::cout << "\tBVH size: " << bvh->getSize() << std::endl;
std::cout << "\tBVH leaves: " << bvh->getLeaves() << std::endl << std::endl;
BVHStats stats = bvh->analyzeBVHLeaves(bvh);
std::cout << "\tMin triangles per leaf: " << stats.min_triangles << std::endl;
std::cout << "\tMax triangles per leaf: " << stats.max_triangles << std::endl;
std::cout << "\tAverage triangles per leaf: " << stats.average_triangles << std::endl << std::endl;
}