最終更新:2021-03-02 (火) 04:52:21 (1150d)  

Linux/DRM
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Direct Rendering Manager

https://dri.freedesktop.org/wiki/DRM/

概要

  • The DRM is a kernel module that gives direct hardware access to DRI clients.
  • DRIのカーネル部分のコンポーネントとして開発された
    • created to allow multiple programs to use video hardware resources cooperatively.
  • GPUにアクセスするためのインターフェース（DRM API）をアプリケーションに提供
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その他のコンポーネント

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DRI (Direct Rendering Infrastructure)

  • Interfaces to access hardware directly
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GEM (Graphics Execution Manager)

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Linux/KMS

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ドライバ

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libdrm

  • libdrm provides a user space library for accessing the DRM, direct rendering manager, on operating systems that support the ioctl interface.
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DRI

  • Direct Rendering Infrastructure
  • a framework for allowing direct access to graphics hardware under the X Window System in a safe and efficient manner
  • DRI kernel modules must be specially compiled for a particular kernel version.
  • drivers/gpu/drm
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デバイス

  • Linux/drv/dri?/cardX
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参考




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