mirror of
https://github.com/RGBCube/serenity
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f62cd52d12
All DisplayConnectors should support the mmap interface and it should provide better performance now, so let's just use it and drop support for the DisplayConnector's write interface from the WindowServer side.
47 lines
1.3 KiB
C++
47 lines
1.3 KiB
C++
/*
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* Copyright (c) 2022, kleines Filmröllchen <filmroellchen@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include "ScreenBackend.h"
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#include "ScreenLayout.h"
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#include <AK/Error.h>
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#include <AK/Span.h>
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#include <AK/String.h>
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#include <sys/ioctl_numbers.h>
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namespace WindowServer {
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class HardwareScreenBackend : public ScreenBackend {
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public:
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virtual ~HardwareScreenBackend();
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explicit HardwareScreenBackend(String device);
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virtual ErrorOr<void> open() override;
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virtual void set_head_buffer(int index) override;
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virtual ErrorOr<void> flush_framebuffer_rects(int buffer_index, Span<FBRect const> rects) override;
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virtual ErrorOr<void> flush_framebuffer() override;
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virtual ErrorOr<void> unmap_framebuffer() override;
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virtual ErrorOr<void> map_framebuffer() override;
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virtual ErrorOr<void> set_head_mode_setting(GraphicsHeadModeSetting) override;
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virtual ErrorOr<GraphicsHeadModeSetting> get_head_mode_setting() override;
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String m_device {};
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int m_framebuffer_fd { -1 };
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Gfx::ARGB32* scanline(int buffer_index, int y) const
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{
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size_t buffer_offset = buffer_index == 1 ? m_back_buffer_offset : 0;
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return reinterpret_cast<Gfx::ARGB32*>(((u8*)m_framebuffer) + buffer_offset + (y * m_pitch));
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}
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};
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}
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