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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/Screen.h
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@ -168,9 +168,11 @@ public:
Gfx::IntRect rect() const { return m_virtual_rect; }
bool can_device_flush_buffers() const { return m_backend->m_can_device_flush_buffers; }
bool can_device_flush_entire_buffer() const { return m_backend->m_can_device_flush_entire_framebuffer; }
void queue_flush_display_rect(Gfx::IntRect const& rect);
void flush_display(int buffer_index);
void flush_display_front_buffer(int front_buffer_index, Gfx::IntRect&);
void flush_display_entire_framebuffer();
CompositorScreenData& compositor_screen_data() { return *m_compositor_screen_data; }