43 lines
1.1 KiB
C++
43 lines
1.1 KiB
C++
#pragma once
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#include <kernel/Device/Device.h>
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#include <kernel/Memory/VirtualRange.h>
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namespace Kernel
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{
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class FramebufferDevice : public CharacterDevice
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{
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public:
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static BAN::ErrorOr<BAN::RefPtr<FramebufferDevice>> create_from_boot_framebuffer();
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~FramebufferDevice();
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virtual dev_t rdev() const override { return m_rdev; }
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virtual BAN::StringView name() const override { return m_name.sv(); }
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protected:
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virtual BAN::ErrorOr<size_t> read_impl(off_t, BAN::ByteSpan) override;
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virtual BAN::ErrorOr<size_t> write_impl(off_t, BAN::ConstByteSpan) override;
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private:
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FramebufferDevice(mode_t mode, uid_t uid, gid_t gid, dev_t rdev, paddr_t paddr, uint32_t width, uint32_t height, uint32_t pitch, uint8_t bpp);
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BAN::ErrorOr<void> initialize();
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void sync_pixels(uint32_t first_pixel, uint32_t pixel_count);
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private:
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const BAN::String m_name;
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const dev_t m_rdev;
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vaddr_t m_video_memory_vaddr { 0 };
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const paddr_t m_video_memory_paddr;
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const uint32_t m_width;
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const uint32_t m_height;
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const uint32_t m_pitch;
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const uint8_t m_bpp;
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BAN::UniqPtr<VirtualRange> m_video_buffer;
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};
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} |