mirror of
https://github.com/RGBCube/serenity
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cc92538d49
We simply modeset the resolution after determining the preferred resolution after getting the EDID from the attached display.
74 lines
2.3 KiB
C++
74 lines
2.3 KiB
C++
/*
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* Copyright (c) 2021, Liav A. <liavalb@hotmail.co.il>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/Checked.h>
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#include <AK/Singleton.h>
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#include <Kernel/CommandLine.h>
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#include <Kernel/Debug.h>
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#include <Kernel/Graphics/BochsGraphicsAdapter.h>
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#include <Kernel/Graphics/GraphicsManagement.h>
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#include <Kernel/Graphics/IntelNativeGraphicsAdapter.h>
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#include <Kernel/Graphics/VGACompatibleAdapter.h>
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#include <Kernel/Multiboot.h>
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namespace Kernel {
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static AK::Singleton<GraphicsManagement> s_the;
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GraphicsManagement& GraphicsManagement::the()
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{
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return *s_the;
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}
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bool GraphicsManagement::is_initialized()
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{
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return s_the.is_initialized();
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}
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UNMAP_AFTER_INIT GraphicsManagement::GraphicsManagement()
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: m_textmode_enabled(kernel_command_line().is_text_mode())
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{
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}
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UNMAP_AFTER_INIT RefPtr<GraphicsDevice> GraphicsManagement::determine_graphics_device(PCI::Address address, PCI::ID id) const
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{
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if ((id.vendor_id == 0x1234 && id.device_id == 0x1111) || (id.vendor_id == 0x80ee && id.device_id == 0xbeef)) {
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return BochsGraphicsAdapter::initialize(address);
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}
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if (PCI::get_class(address) == 0x3 && PCI::get_subclass(address) == 0x0) {
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if (id.vendor_id == 0x8086) {
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auto adapter = IntelNativeGraphicsAdapter::initialize(address);
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if (!adapter.is_null())
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return adapter;
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}
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VERIFY(multiboot_info_ptr->framebuffer_type == MULTIBOOT_FRAMEBUFFER_TYPE_RGB || multiboot_info_ptr->framebuffer_type == MULTIBOOT_FRAMEBUFFER_TYPE_EGA_TEXT);
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return VGACompatibleAdapter::initialize_with_preset_resolution(address,
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PhysicalAddress((u32)(multiboot_info_ptr->framebuffer_addr)),
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multiboot_info_ptr->framebuffer_pitch,
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multiboot_info_ptr->framebuffer_width,
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multiboot_info_ptr->framebuffer_height);
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}
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return {};
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}
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UNMAP_AFTER_INIT bool GraphicsManagement::initialize()
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{
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if (kernel_command_line().is_text_mode()) {
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dbgln("Text mode enabled");
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return false;
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}
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PCI::enumerate([&](const PCI::Address& address, PCI::ID id) {
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auto adapter = determine_graphics_device(address, id);
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if (!adapter)
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return;
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adapter->initialize_framebuffer_devices();
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m_graphics_devices.append(adapter.release_nonnull());
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});
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return true;
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}
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}
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