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https://github.com/SerenityOS/serenity
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f476b49fd8
A VirtIO graphics adapter is really the VirtIO GPU, so the virtualized hardware has no distinction between both components so there's no need to put such distinction in software. We might need to split things in the future, but when we do so, we must take proper care to ensure that the interface between the components is correct and use the usual codebase patterns.
51 lines
1.4 KiB
C++
51 lines
1.4 KiB
C++
/*
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* Copyright (c) 2021, Sahan Fernando <sahan.h.fernando@gmail.com>
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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 <Kernel/Graphics/Console/GenericFramebufferConsole.h>
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#include <Kernel/Graphics/VirtIOGPU/FramebufferDevice.h>
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#include <Kernel/TimerQueue.h>
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namespace Kernel::Graphics::VirtIOGPU {
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class DirtyRect {
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public:
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void union_rect(size_t x, size_t y, size_t width, size_t height);
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bool is_dirty() const { return m_is_dirty; }
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size_t x() const { return m_x0; }
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size_t y() const { return m_y0; }
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size_t width() const { return m_x1 - m_x0; }
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size_t height() const { return m_y1 - m_y0; }
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void clear() { m_is_dirty = false; }
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private:
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bool m_is_dirty { false };
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size_t m_x0 { 0 };
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size_t m_y0 { 0 };
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size_t m_x1 { 0 };
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size_t m_y1 { 0 };
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};
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class Console final : public GenericFramebufferConsole {
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public:
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static NonnullRefPtr<Console> initialize(RefPtr<FramebufferDevice> const&);
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virtual void set_resolution(size_t width, size_t height, size_t pitch) override;
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virtual void flush(size_t x, size_t y, size_t width, size_t height) override;
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virtual void enable() override;
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private:
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void enqueue_refresh_timer();
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virtual u8* framebuffer_data() override;
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Console(RefPtr<FramebufferDevice> const&);
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RefPtr<FramebufferDevice> m_framebuffer_device;
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DirtyRect m_dirty_rect;
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};
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}
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