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[platform/virtual] Swap buffers in EGL GBM backend

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Summary:
The virtual platform did not actually present content and spin the
compositor. Let's do this from now on , first for the EGL GBM backend.

Test Plan: All tests pass according to Vlad

Reviewers: #kwin, zzag

Reviewed By: #kwin, zzag

Subscribers: graesslin, zzag, kwin

Tags: #kwin

Differential Revision: https://phabricator.kde.org/D18436
This commit is contained in:
Roman Gilg 2019-01-21 19:44:06 +01:00
parent 9b922f8833
commit 1e6f6700f8
1 changed files with 10 additions and 1 deletions
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11
plugins/platforms/virtual/egl_gbm_backend.cpp
View file

@ -156,6 +156,12 @@ bool EglGbmBackend::initBufferConfigs()
void EglGbmBackend::present()
{
Compositor::self()->aboutToSwapBuffers();
eglSwapBuffers(eglDisplay(), surface());
setLastDamage(QRegion());
Compositor::self()->bufferSwapComplete();
}
void EglGbmBackend::screenGeometryChanged(const QSize &size)
@ -171,6 +177,9 @@ SceneOpenGLTexturePrivate *EglGbmBackend::createBackendTexture(SceneOpenGLTextur
QRegion EglGbmBackend::prepareRenderingFrame()
{
if (!lastDamage().isEmpty()) {
present();
}
startRenderTimer();
if (!GLRenderTarget::isRenderTargetBound()) {
GLRenderTarget::pushRenderTarget(m_fbo);
@ -211,7 +220,6 @@ static void convertFromGLImage(QImage &img, int w, int h)
void EglGbmBackend::endRenderingFrame(const QRegion &renderedRegion, const QRegion &damagedRegion)
{
Q_UNUSED(renderedRegion)
Q_UNUSED(damagedRegion)
glFlush();
if (m_backend->saveFrames()) {
@ -221,6 +229,7 @@ void EglGbmBackend::endRenderingFrame(const QRegion &renderedRegion, const QRegi
img.save(QStringLiteral("%1/%2.png").arg(m_backend->saveFrames()).arg(QString::number(m_frameCounter++)));
}
GLRenderTarget::popRenderTarget();
setLastDamage(renderedRegion);
}
bool EglGbmBackend::usesOverlayWindow() const