mirror of
https://github.com/mitch030504/Wiicompiled_VR_Frame.git
synced 2026-10-06 13:00:26 +02:00
33 lines
1.5 KiB
C++
33 lines
1.5 KiB
C++
#include "stereo_interpolation.hpp"
|
|
#include <gtest/gtest.h>
|
|
#include <cmath>
|
|
|
|
TEST(StereoInterpolation, ContinuousMotionAcross60HzScenesAtHeadsetRates) {
|
|
constexpr uint64_t interval = 16'666'667;
|
|
// A camera/object moving one unit per guest frame must advance uniformly,
|
|
// even at 72/90 Hz where many samples are neither midpoints nor endpoints.
|
|
for (uint64_t hz : {72u, 90u, 120u}) {
|
|
double previousPosition = -1;
|
|
for (uint64_t sample = 1; sample <= hz; ++sample) {
|
|
const uint64_t displayTime = 1'000'000'000 + sample * 1'000'000'000 / hz;
|
|
const uint64_t scene = (displayTime - 1'000'000'000) / interval;
|
|
const uint64_t boundary = 1'000'000'000 + scene * interval;
|
|
const float weight = aurora::stereo::interpolation_weight(displayTime, boundary, interval);
|
|
const double position = static_cast<double>(scene) + weight;
|
|
if (sample > 1)
|
|
EXPECT_NEAR(position - previousPosition, 1'000'000'000.0 / hz / interval, 1e-5);
|
|
previousPosition = position;
|
|
}
|
|
}
|
|
}
|
|
|
|
TEST(StereoInterpolation, MissingTimingAndStallsDoNotExtrapolate) {
|
|
using aurora::stereo::interpolation_weight;
|
|
EXPECT_FLOAT_EQ(interpolation_weight(0, 100, 10), 1);
|
|
EXPECT_FLOAT_EQ(interpolation_weight(105, 0, 10), 1);
|
|
EXPECT_FLOAT_EQ(interpolation_weight(105, 100, 0), 1);
|
|
EXPECT_FLOAT_EQ(interpolation_weight(95, 100, 10), 0);
|
|
EXPECT_FLOAT_EQ(interpolation_weight(105, 100, 10), 0.5);
|
|
EXPECT_FLOAT_EQ(interpolation_weight(500, 100, 10), 1);
|
|
}
|