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WindowServer: Use FB_IOCTL_FLUSH_HEAD to flush a framebuffer if possible
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.
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8 changed files with 45 additions and 5 deletions
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@ -31,12 +31,15 @@ public:
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virtual ErrorOr<void> unmap_framebuffer() = 0;
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virtual ErrorOr<void> map_framebuffer() = 0;
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virtual ErrorOr<void> flush_framebuffer() = 0;
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virtual ErrorOr<void> set_head_resolution(FBHeadResolution) = 0;
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virtual ErrorOr<FBHeadProperties> get_head_properties() = 0;
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virtual ErrorOr<void> write_all_contents(Gfx::IntRect const&) { return {}; }
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bool m_can_device_flush_buffers { true };
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bool m_can_device_flush_entire_framebuffer { true };
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bool m_can_set_head_buffer { false };
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Gfx::ARGB32* m_framebuffer { nullptr };
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