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/*
* Copyright (c) 2021, Liav A. <liavalb@hotmail.co.il>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Types.h>
#include <Kernel/Graphics/Console/Console.h>
#include <Kernel/PhysicalAddress.h>
namespace Kernel::Graphics {
class GenericFramebufferConsoleImpl : public Console {
public:
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 / (m_glyph_columns + m_glyph_spacing); }
virtual size_t max_row() const override { return m_height / m_glyph_rows; }
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 clear(size_t x, size_t y, size_t length) override;
virtual void write(size_t x, size_t y, char ch, Color background, Color foreground, bool critical = false) override;
virtual void write(size_t x, size_t y, char ch, bool critical = false) override;
virtual void write(char ch, bool critical = false) override;
virtual void enable() override;
virtual void disable() override;
virtual void set_resolution(size_t width, size_t height, size_t pitch) = 0;
protected:
virtual void hide_cursor() override;
virtual void show_cursor() override;
GenericFramebufferConsoleImpl(size_t width, size_t height, size_t pitch)
: Console(width, height)
, m_pitch(pitch)
{
m_cursor_overriden_pixels.fill(0);
}
virtual u8* framebuffer_data() = 0;
size_t framebuffer_pitch() const { return m_pitch; }
virtual void clear_glyph(size_t x, size_t y);
union FramebufferOffset {
u8* bytes;
u32* pixels;
};
FramebufferOffset framebuffer_offset(size_t x, size_t y);
void flush_glyph(size_t x, size_t y);
size_t const m_glyph_spacing { 1 };
size_t const m_glyph_columns { 8 };
size_t const m_glyph_rows { 16 };
Array<u32, 8> m_cursor_overriden_pixels;
size_t m_pitch;
};
class GenericFramebufferConsole : public GenericFramebufferConsoleImpl {
public:
virtual void clear(size_t x, size_t y, size_t length) override;
virtual void write(size_t x, size_t y, char ch, Color background, Color foreground, bool critical = false) override;
virtual void enable() override;
virtual void disable() override;
protected:
GenericFramebufferConsole(size_t width, size_t height, size_t pitch)
: GenericFramebufferConsoleImpl(width, height, pitch)
{
}
virtual void clear_glyph(size_t x, size_t y) override;
mutable Spinlock<LockRank::None> m_lock {};
};
}
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