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Qt: Reduce flickering by resizing less often

This commit is contained in:
Vicki Pfau 2019-05-14 18:04:51 -07:00
parent 24929909f2
commit 1baa9287f3
1 changed files with 8 additions and 12 deletions
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20
src/platform/qt/DisplayGL.cpp
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@ -316,6 +316,12 @@ void PainterGL::setMessagePainter(MessagePainter* messagePainter) {
void PainterGL::resize(const QSize& size) {
m_size = size;
#if (QT_VERSION >= QT_VERSION_CHECK(5, 6, 0))
float r = m_gl->devicePixelRatioF();
#else
float r = m_gl->devicePixelRatio();
#endif
m_backend->resized(m_backend, m_size.width() * r, m_size.height() * r);
if (m_started && !m_active) {
forceDraw();
}
@ -323,16 +329,12 @@ void PainterGL::resize(const QSize& size) {
void PainterGL::lockAspectRatio(bool lock) {
m_backend->lockAspectRatio = lock;
if (m_started && !m_active) {
forceDraw();
}
resize(m_size);
}
void PainterGL::lockIntegerScaling(bool lock) {
m_backend->lockIntegerScaling = lock;
if (m_started && !m_active) {
forceDraw();
}
resize(m_size);
}
void PainterGL::filter(bool filter) {
@ -416,12 +418,6 @@ void PainterGL::unpause() {
void PainterGL::performDraw() {
m_painter.beginNativePainting();
#if (QT_VERSION >= QT_VERSION_CHECK(5, 6, 0))
float r = m_gl->devicePixelRatioF();
#else
float r = m_gl->devicePixelRatio();
#endif
m_backend->resized(m_backend, m_size.width() * r, m_size.height() * r);
m_backend->drawFrame(m_backend);
m_painter.endNativePainting();
if (m_messagePainter) {