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Kernel: Implement buffer flipping for VirtIOGPU framebuffers

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This solves tearing issues and improves performance when updating the
VirtIOGPU framebuffers.
This commit is contained in:
Tom 2021-07-03 20:42:38 -06:00 • committed by Andreas Kling
parent 6e792553f2
commit 7fdf902e4a
7 changed files with 148 additions and 65 deletions
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1
Kernel/Graphics/VirtIOGPU/VirtIOGraphicsAdapter.cpp
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@ -40,7 +40,6 @@ void VirtIOGraphicsAdapter::enable_consoles()
dbgln_if(VIRTIO_DEBUG, "VirtIOGPU: Enabling consoles");
m_gpu_device->for_each_framebuffer([&](auto& framebuffer, auto& console) {
framebuffer.deactivate_writes();
framebuffer.clear_to_black();
console.enable();
return IterationDecision::Continue;
});