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/*
* Copyright (c) 2022, kleines Filmröllchen <filmroellchen@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include "ScreenBackend.h"
#include "ScreenLayout.h"
#include <AK/Error.h>
#include <AK/Span.h>
#include <AK/String.h>
#include <sys/ioctl_numbers.h>
namespace WindowServer {
class HardwareScreenBackend : public ScreenBackend {
public:
virtual ~HardwareScreenBackend();
explicit HardwareScreenBackend(String device);
virtual ErrorOr<void> open() override;
virtual void set_head_buffer(int index) override;
virtual ErrorOr<void> flush_framebuffer_rects(int buffer_index, Span<FBRect const> rects) override;
virtual ErrorOr<void> flush_framebuffer() override;
virtual ErrorOr<void> unmap_framebuffer() override;
virtual ErrorOr<void> map_framebuffer() override;
virtual ErrorOr<void> set_head_mode_setting(GraphicsHeadModeSetting) override;
virtual ErrorOr<GraphicsHeadModeSetting> get_head_mode_setting() override;
String m_device {};
int m_framebuffer_fd { -1 };
Gfx::ARGB32* scanline(int buffer_index, int y) const
{
size_t buffer_offset = buffer_index == 1 ? m_back_buffer_offset : 0;
return reinterpret_cast<Gfx::ARGB32*>(((u8*)m_framebuffer) + buffer_offset + (y * m_pitch));
}
};
}
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