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https://github.com/SerenityOS/serenity
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This class will be used in a situation where we simply don't have a working framebuffer console, but we still want to boot (without having a screen being attached, or an actual proper GPU driver on bare metal, for example).
43 lines
1.3 KiB
C++
43 lines
1.3 KiB
C++
/*
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* Copyright (c) 2024, Liav A. <liavalb@hotmail.co.il>
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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/Devices/GPU/Console/GenericFramebufferConsole.h>
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#include <Kernel/Forward.h>
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namespace Kernel::Graphics {
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class BootDummyConsole final : public GenericFramebufferConsoleImpl {
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public:
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virtual void clear(size_t, size_t, size_t) override { }
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virtual void write(size_t, size_t, char, Color, Color, bool) override { }
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using GenericFramebufferConsoleImpl::write;
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virtual void enable() override { }
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virtual void disable() override { }
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virtual void flush(size_t, size_t, size_t, size_t) override { }
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virtual void set_resolution(size_t, size_t, size_t) override { VERIFY_NOT_REACHED(); }
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// NOTE: These values are just "dumb" values, because the VirtualConsole
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// will query the size of this console when needed.
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BootDummyConsole()
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: GenericFramebufferConsoleImpl(1024, 768, (1024 * sizeof(u32)))
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{
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}
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private:
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virtual void set_cursor(size_t, size_t) override { }
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virtual void hide_cursor() override { }
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virtual void show_cursor() override { }
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virtual void clear_glyph(size_t, size_t) override { }
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virtual u8* framebuffer_data() override { VERIFY_NOT_REACHED(); }
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};
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}
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