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Kernel: Add VirtIOGPU graphics device
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21 changed files with 1050 additions and 13 deletions
54
Kernel/Graphics/VirtIOGPU/VirtIOGraphicsAdapter.cpp
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54
Kernel/Graphics/VirtIOGPU/VirtIOGraphicsAdapter.cpp
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/*
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* Copyright (c) 2021, Sahan Fernando <sahan.h.fernando@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <Kernel/Graphics/Console/GenericFramebufferConsole.h>
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#include <Kernel/Graphics/GraphicsManagement.h>
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#include <Kernel/Graphics/VirtIOGPU/VirtIOGPU.h>
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#include <Kernel/Graphics/VirtIOGPU/VirtIOGraphicsAdapter.h>
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namespace Kernel::Graphics {
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NonnullRefPtr<VirtIOGraphicsAdapter> VirtIOGraphicsAdapter::initialize(PCI::Address base_address)
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{
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return adopt_ref(*new VirtIOGraphicsAdapter(base_address));
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}
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VirtIOGraphicsAdapter::VirtIOGraphicsAdapter(PCI::Address base_address)
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: GraphicsDevice(base_address)
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{
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m_gpu_device = adopt_ref(*new VirtIOGPU(base_address)).leak_ref();
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m_framebuffer_console = Kernel::Graphics::VirtIOGPUConsole::initialize(m_gpu_device);
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// FIXME: This is a very wrong way to do this...
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GraphicsManagement::the().m_console = m_framebuffer_console;
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}
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void VirtIOGraphicsAdapter::initialize_framebuffer_devices()
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{
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dbgln_if(VIRTIO_DEBUG, "VirtIOGPU: Initializing framebuffer devices");
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VERIFY(m_framebuffer_device.is_null());
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m_framebuffer_device = adopt_ref(*new VirtIOFrameBufferDevice(m_gpu_device)).leak_ref();
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}
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void VirtIOGraphicsAdapter::enable_consoles()
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{
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dbgln_if(VIRTIO_DEBUG, "VirtIOGPU: Enabling consoles");
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VERIFY(m_framebuffer_console);
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if (m_framebuffer_device)
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m_framebuffer_device->deactivate_writes();
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m_gpu_device->clear_to_black();
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m_framebuffer_console->enable();
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}
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void VirtIOGraphicsAdapter::disable_consoles()
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{
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dbgln_if(VIRTIO_DEBUG, "VirtIOGPU: Disabling consoles");
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VERIFY(m_framebuffer_device);
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VERIFY(m_framebuffer_console);
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m_framebuffer_console->disable();
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m_framebuffer_device->activate_writes();
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}
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}
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