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Fixed random seed when run in benchmark mode, use default random engine instead of fixed mersene twister

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Refs #269
This commit is contained in:
saschawillems 2018-01-18 21:31:19 +01:00
parent 5790f30c17
commit 9e073bdd3b
11 changed files with 55 additions and 60 deletions
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9
examples/dynamicuniformbuffer/dynamicuniformbuffer.cpp
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@ -446,12 +446,11 @@ public:
VK_CHECK_RESULT(uniformBuffers.dynamic.map());
// Prepare per-object matrices with offsets and random rotations
std::mt19937 rndGen(static_cast<uint32_t>(time(0)));
std::default_random_engine rndEngine(benchmark.active ? 0 : (unsigned)time(nullptr));
std::normal_distribution<float> rndDist(-1.0f, 1.0f);
for (uint32_t i = 0; i < OBJECT_INSTANCES; i++)
{
rotations[i] = glm::vec3(rndDist(rndGen), rndDist(rndGen), rndDist(rndGen)) * 2.0f * (float)M_PI;
rotationSpeeds[i] = glm::vec3(rndDist(rndGen), rndDist(rndGen), rndDist(rndGen));
for (uint32_t i = 0; i < OBJECT_INSTANCES; i++) {
rotations[i] = glm::vec3(rndDist(rndEngine), rndDist(rndEngine), rndDist(rndEngine)) * 2.0f * (float)M_PI;
rotationSpeeds[i] = glm::vec3(rndDist(rndEngine), rndDist(rndEngine), rndDist(rndEngine));
}
updateUniformBuffers();