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DisplayPlugin::getLastSynchronizedElapsed

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This commit is contained in:
Howard Stearns 2015-12-07 09:32:12 -08:00
parent df413c0b14
commit 34de4d67d8
3 changed files with 11 additions and 0 deletions
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6
libraries/display-plugins/src/display-plugins/OpenGLDisplayPlugin.cpp
View file

@ -156,8 +156,10 @@ OpenGLDisplayPlugin::OpenGLDisplayPlugin() {
_container->releaseOverlayTexture(texture);
});
_synchronizedTimer.start();
connect(&_timer, &QTimer::timeout, this, [&] {
if (_active && _sceneTextureEscrow.depth() <= 1) {
_synchronizedTimer.start();
emit requestRender();
}
});
@ -279,6 +281,10 @@ void OpenGLDisplayPlugin::submitOverlayTexture(GLuint sceneTexture, const glm::u
}
void OpenGLDisplayPlugin::updateTextures() {
const qint64 elapsed =_synchronizedTimer.elapsed();
if (elapsed != 0) {
_lastSynchronizedElapsed = elapsed;
}
_currentSceneTexture = _sceneTextureEscrow.fetchAndRelease(_currentSceneTexture);
_currentOverlayTexture = _overlayTextureEscrow.fetchAndRelease(_currentOverlayTexture);
}

4
libraries/display-plugins/src/display-plugins/OpenGLDisplayPlugin.h
View file

@ -10,6 +10,7 @@
#include "DisplayPlugin.h"
#include <QtCore/QTimer>
#include <QElapsedTimer>
#include <GLMHelpers.h>
#include <SimpleMovingAverage.h>
@ -30,6 +31,7 @@ public:
virtual void submitSceneTexture(uint32_t frameIndex, uint32_t sceneTexture, const glm::uvec2& sceneSize) override;
virtual void submitOverlayTexture(uint32_t overlayTexture, const glm::uvec2& overlaySize) override;
virtual float presentRate() override;
virtual qint64 getLastSynchronizedElapsed() { return _lastSynchronizedElapsed; }
virtual glm::uvec2 getRecommendedRenderSize() const override {
return getSurfacePixels();
@ -68,6 +70,8 @@ protected:
virtual void internalPresent();
mutable QTimer _timer;
QElapsedTimer _synchronizedTimer;
qint64 _lastSynchronizedElapsed { 0 };
ProgramPtr _program;
ShapeWrapperPtr _plane;

1
libraries/plugins/src/plugins/DisplayPlugin.h
View file

@ -58,6 +58,7 @@ public:
/// By default, all HMDs are stereo
virtual bool isStereo() const { return isHmd(); }
virtual bool isThrottled() const { return false; }
virtual qint64 getLastSynchronizedElapsed() { return 0; }
// Rendering support