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Re-remove web from render-perf tool, add frame timing stats

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This commit is contained in:
Brad Davis 2016-08-08 13:31:52 -07:00
parent 39a47b7559
commit f9d522a1ae
1 changed files with 39 additions and 12 deletions
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51
tests/render-perf/src/main.cpp
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@ -181,10 +181,14 @@ public:
gpu::ContextPointer _gpuContext; // initialized during window creation
std::atomic<size_t> _presentCount;
QElapsedTimer _elapsed;
std::atomic<uint16_t> _fps;
std::atomic<uint16_t> _fps{ 1 };
RateCounter<200> _fpsCounter;
std::mutex _mutex;
std::shared_ptr<gpu::Backend> _backend;
std::vector<uint64_t> _frameTimes;
size_t _frameIndex;
static const size_t FRAME_TIME_BUFFER_SIZE{ 8192 };
void initialize(QOpenGLContextWrapper* displayContext, QWindow* surface) {
@ -211,6 +215,7 @@ public:
glewExperimental = true;
glewInit();
glGetError();
_frameTimes.resize(FRAME_TIME_BUFFER_SIZE, 0);
{
auto vs = gpu::StandardShaderLib::getDrawUnitQuadTexcoordVS();
@ -269,18 +274,38 @@ public:
}
}
bool processQueueItems(const Queue& items) override {
auto frame = items.last();
void report() {
uint64_t total = 0;
for (const auto& t : _frameTimes) {
total += t;
}
auto averageFrameTime = total / FRAME_TIME_BUFFER_SIZE;
qDebug() << "Average frame " << averageFrameTime;
auto start = usecTimestampNow();
renderFrame(frame);
auto duration = usecTimestampNow() - start;
float frameTime = (float)duration / (float)USECS_PER_SECOND;
float averageFrameTime = 1.0f / _fps;
float diff = frameTime - averageFrameTime;
diff = std::max(diff, -diff);
if ((diff - 1.0f) > 2.0f) {
qDebug() << "Long frame " << frameTime * MSECS_PER_SECOND;
std::list<uint64_t> sortedHighFrames;
for (const auto& t : _frameTimes) {
if (t > averageFrameTime * 6) {
sortedHighFrames.push_back(t);
}
}
sortedHighFrames.sort();
for (const auto& t : sortedHighFrames) {
qDebug() << "Long frame " << t;
}
}
bool processQueueItems(const Queue& items) override {
for (auto frame : items) {
auto start = usecTimestampNow();
renderFrame(frame);
auto duration = usecTimestampNow() - start;
auto frameBufferIndex = _frameIndex % FRAME_TIME_BUFFER_SIZE;
_frameTimes[frameBufferIndex] = duration;
++_frameIndex;
if (0 == _frameIndex % FRAME_TIME_BUFFER_SIZE) {
report();
}
}
return true;
}
@ -404,6 +429,8 @@ public:
AbstractViewStateInterface::setInstance(this);
_octree = DependencyManager::set<EntityTreeRenderer>(false, this, nullptr);
_octree->init();
// Prevent web entities from rendering
REGISTER_ENTITY_TYPE_WITH_FACTORY(Web, WebEntityItem::factory);
DependencyManager::set<ParentFinder>(_octree->getTree());
getEntities()->setViewFrustum(_viewFrustum);