Quote:
Originally Posted by kovidgoyal
Whats not normal is the paint controller errors. Those are probably the cause of the slowdown.
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I get those same errors when running quicknanobrowser, too, and quicknanobrowser loads instantly.
Quote:
Originally Posted by kovidgoyal
And those are almost certainly linked to GPU driver issues. Try turning off hardware acceleration.
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QTWEBENGINE_CHROMIUM_FLAGS="--disable-gpu" has no effect; ebook-viewer still loads just as slowly.
Is there a way to go to "chrome://gpu" in ebook-viewer?
Once ebook-viewer loads an EPUB, it's not slow at all; I still wonder why it takes so long to load. It loads just as slowly for large as for small EPUBs. Opening another EPUB from within ebook-viewer takes a long time, too.