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serenity/Kernel/Graphics/Console/FramebufferConsole.h
Liav A 02b73cb93d Kernel/Graphics: Be more consistent about arguments passing
This fixes a bug that was reported on this discord server by
@ElectrodeYT - due to the confusion of passing arguments in different
orders, we messed up and triggered a page fault due to faulty sizes.
2021-05-17 00:30:40 +01:00

50 lines
1.8 KiB
C++

/*
* Copyright (c) 2021, Liav A. <liavalb@hotmail.co.il>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/RefCounted.h>
#include <AK/Types.h>
#include <Kernel/Graphics/Console/Console.h>
#include <Kernel/PhysicalAddress.h>
namespace Kernel::Graphics {
class FramebufferConsole final : public Console {
public:
static NonnullRefPtr<FramebufferConsole> initialize(PhysicalAddress, size_t width, size_t height, size_t pitch);
virtual size_t bytes_per_base_glyph() const override;
virtual size_t chars_per_line() const override;
virtual size_t max_column() const override { return m_width / 8; }
virtual size_t max_row() const override { return m_height / 8; }
virtual bool is_hardware_paged_capable() const override { return false; }
virtual bool has_hardware_cursor() const override { return false; }
virtual void set_cursor(size_t x, size_t y) override;
virtual void hide_cursor() override;
virtual void show_cursor() override;
virtual void clear(size_t x, size_t y, size_t length) const override;
virtual void write(size_t x, size_t y, char ch, Color background, Color foreground) const override;
virtual void write(size_t x, size_t y, String cstring, Color background, Color foreground) const override;
virtual void write(size_t x, size_t y, char ch) const override;
virtual void write(size_t x, size_t y, String) const override;
virtual void write(char ch) const override;
virtual void enable() override;
virtual void disable() override;
protected:
void clear_glyph(size_t x, size_t y) const;
FramebufferConsole(PhysicalAddress, size_t width, size_t height, size_t pitch);
OwnPtr<Region> m_framebuffer_region;
PhysicalAddress m_framebuffer_address;
size_t m_pitch;
mutable SpinLock<u8> m_lock;
};
}