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WindowServer: Use FB_IOCTL_FLUSH_HEAD to flush a framebuffer if possible

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This ioctl is more appropriate when the hardware supports flushing of
the entire framebuffer, so we use that instead of the previous default
FB_IOCTL_FLUSH_HEAD_BUFFERS ioctl.
This commit is contained in:
Liav A 2022-04-30 13:55:00 +03:00 • committed by Andreas Kling
parent 41283a2de6
commit 4ff6150f1b
8 changed files with 45 additions and 5 deletions
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Userland/Services/WindowServer/HardwareScreenBackend.h
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@ -26,6 +26,8 @@ public:
virtual ErrorOr<void> flush_framebuffer_rects(int buffer_index, Span<FBRect const> rects) override;
virtual ErrorOr<void> flush_framebuffer() override;
virtual ErrorOr<void> unmap_framebuffer() override;
virtual ErrorOr<void> map_framebuffer() override;