mirror of
https://github.com/RGBCube/serenity
synced 2025-10-31 08:02:44 +00:00
11eee67b85
Until now, our kernel has reimplemented a number of AK classes to provide automatic internal locking: - RefPtr - NonnullRefPtr - WeakPtr - Weakable This patch renames the Kernel classes so that they can coexist with the original AK classes: - RefPtr => LockRefPtr - NonnullRefPtr => NonnullLockRefPtr - WeakPtr => LockWeakPtr - Weakable => LockWeakable The goal here is to eventually get rid of the Lock* classes in favor of using external locking.
95 lines
3.5 KiB
C++
95 lines
3.5 KiB
C++
/*
|
|
* Copyright (c) 2021, Sahan Fernando <sahan.h.fernando@gmail.com>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/BinaryBufferWriter.h>
|
|
#include <AK/DistinctNumeric.h>
|
|
#include <Kernel/Devices/CharacterDevice.h>
|
|
#include <Kernel/Graphics/Console/Console.h>
|
|
#include <Kernel/Graphics/DisplayConnector.h>
|
|
#include <Kernel/Graphics/VirtIOGPU/GraphicsAdapter.h>
|
|
#include <Kernel/Graphics/VirtIOGPU/Protocol.h>
|
|
#include <Kernel/Memory/Region.h>
|
|
#include <LibEDID/EDID.h>
|
|
|
|
namespace Kernel::Graphics::VirtIOGPU {
|
|
|
|
class Console;
|
|
|
|
}
|
|
|
|
namespace Kernel {
|
|
|
|
class VirtIOGraphicsAdapter;
|
|
class VirtIODisplayConnector final : public DisplayConnector {
|
|
friend class Graphics::VirtIOGPU::Console;
|
|
friend class DeviceManagement;
|
|
|
|
public:
|
|
static NonnullLockRefPtr<VirtIODisplayConnector> must_create(VirtIOGraphicsAdapter& graphics_adapter, Graphics::VirtIOGPU::ScanoutID scanout_id);
|
|
|
|
void set_edid_bytes(Badge<VirtIOGraphicsAdapter>, Array<u8, 128> const& edid_bytes);
|
|
void set_safe_mode_setting_after_initialization(Badge<VirtIOGraphicsAdapter>);
|
|
Graphics::VirtIOGPU::ScanoutID scanout_id() const { return m_scanout_id; }
|
|
Graphics::VirtIOGPU::Protocol::DisplayInfoResponse::Display display_information(Badge<VirtIOGraphicsAdapter>) const;
|
|
|
|
void draw_ntsc_test_pattern(Badge<VirtIOGraphicsAdapter>);
|
|
|
|
private:
|
|
void initialize_console();
|
|
virtual bool mutable_mode_setting_capable() const override { return true; }
|
|
virtual bool double_framebuffering_capable() const override { return true; }
|
|
virtual bool partial_flush_support() const override { return true; }
|
|
virtual ErrorOr<void> set_mode_setting(ModeSetting const&) override;
|
|
virtual ErrorOr<void> set_safe_mode_setting() override;
|
|
virtual ErrorOr<void> set_y_offset(size_t y) override;
|
|
virtual ErrorOr<void> unblank() override;
|
|
|
|
// Note: VirtIO hardware requires a constant refresh to keep the screen in sync to the user.
|
|
virtual bool flush_support() const override { return true; }
|
|
// Note: Paravirtualized hardware doesn't require a defined refresh rate for modesetting.
|
|
virtual bool refresh_rate_support() const override { return false; }
|
|
|
|
virtual ErrorOr<void> flush_first_surface() override;
|
|
virtual ErrorOr<void> flush_rectangle(size_t buffer_index, FBRect const& rect) override;
|
|
|
|
virtual void enable_console() override;
|
|
virtual void disable_console() override;
|
|
|
|
static bool is_valid_buffer_index(size_t buffer_index)
|
|
{
|
|
return buffer_index == 0 || buffer_index == 1;
|
|
}
|
|
|
|
private:
|
|
VirtIODisplayConnector(VirtIOGraphicsAdapter& graphics_adapter, Graphics::VirtIOGPU::ScanoutID scanout_id);
|
|
|
|
void flush_displayed_image(Graphics::VirtIOGPU::Protocol::Rect const& dirty_rect, bool main_buffer);
|
|
void set_dirty_displayed_rect(Graphics::VirtIOGPU::Protocol::Rect const& dirty_rect, bool main_buffer);
|
|
|
|
void query_display_information();
|
|
ErrorOr<void> query_edid_from_virtio_adapter();
|
|
void query_display_edid();
|
|
|
|
void clear_to_black();
|
|
|
|
// Member data
|
|
// Context used for kernel operations (e.g. flushing resources to scanout)
|
|
Graphics::VirtIOGPU::ContextID m_kernel_context_id;
|
|
|
|
NonnullLockRefPtr<VirtIOGraphicsAdapter> m_graphics_adapter;
|
|
LockRefPtr<Graphics::Console> m_console;
|
|
Graphics::VirtIOGPU::Protocol::DisplayInfoResponse::Display m_display_info {};
|
|
Graphics::VirtIOGPU::ScanoutID m_scanout_id;
|
|
|
|
// 2D framebuffer Member data
|
|
Atomic<size_t, AK::memory_order_relaxed> m_last_set_buffer_index { 0 };
|
|
|
|
constexpr static size_t NUM_TRANSFER_REGION_PAGES = 256;
|
|
};
|
|
|
|
}
|