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render issue fixes

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This commit is contained in:
David Kelly 2017-07-05 11:29:34 -07:00
parent 44cb48b17d
commit 85813ac908
2 changed files with 21 additions and 7 deletions
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26
interface/src/ui/ResourceImageItem.cpp
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@ -32,13 +32,17 @@ void ResourceImageItem::setReady(bool ready) {
}
void ResourceImageItemRenderer::onUpdateTimer() {
if (_ready && _networkTexture && _networkTexture->isLoaded()) {
if(_fboMutex.tryLock()) {
invalidateFramebufferObject();
qApp->getActiveDisplayPlugin()->copyTextureToQuickFramebuffer(_networkTexture, _copyFbo, &_fenceSync);
_fboMutex.unlock();
if (_ready) {
if (_networkTexture && _networkTexture->isLoaded()) {
if(_fboMutex.tryLock()) {
invalidateFramebufferObject();
qApp->getActiveDisplayPlugin()->copyTextureToQuickFramebuffer(_networkTexture, _copyFbo, &_fenceSync);
_fboMutex.unlock();
} else {
qDebug() << "couldn't get a lock, using last frame";
}
} else {
qDebug() << "couldn't get a lock, using last frame";
_networkTexture = DependencyManager::get<TextureCache>()->getTexture(_url);
}
}
update();
@ -76,6 +80,9 @@ void ResourceImageItemRenderer::synchronize(QQuickFramebufferObject* item) {
}
QOpenGLFramebufferObject* ResourceImageItemRenderer::createFramebufferObject(const QSize& size) {
if (_copyFbo) {
delete _copyFbo;
}
QOpenGLFramebufferObjectFormat format;
format.setAttachment(QOpenGLFramebufferObject::CombinedDepthStencil);
_copyFbo = new QOpenGLFramebufferObject(size, format);
@ -100,7 +107,14 @@ void ResourceImageItemRenderer::render() {
_fboMutex.lock();
_copyFbo->bind();
QOpenGLFramebufferObject::blitFramebuffer(framebufferObject(), _copyFbo, GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT, GL_NEAREST);
// this clears the copyFbo texture
// so next frame starts fresh - helps
// when aspect ratio changes
_copyFbo->takeTexture();
_copyFbo->bind();
_copyFbo->release();
_fboMutex.unlock();
if (doUpdate) {
update();

2
interface/src/ui/ResourceImageItem.h
View file

@ -34,7 +34,7 @@ private:
NetworkTexturePointer _networkTexture;
QQuickWindow* _window;
QMutex _fboMutex;
QOpenGLFramebufferObject* _copyFbo;
QOpenGLFramebufferObject* _copyFbo { nullptr };
GLsync _fenceSync { 0 };
QTimer _updateTimer;
public slots: