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Topic · 2 min read

Rendering and graphics software

Rendering translates an application's description of a scene or interface into image data. The operating system and graphics software provide structured interfaces so programs do not each need to implement a hardware-specific command path.

The bigger picture

Applications can express work through graphics APIs, while a user-mode component and a kernel-managed scheduling path coordinate execution on supported hardware. Desktop composition then combines surfaces for presentation. These boundaries explain why an API version, a package version, and a processor model describe different parts of the graphics environment.

The operating system also manages access to graphics memory and schedules workloads competing for resources. A capability can be available to one application path without being used by another. The topics below explain these distinctions rather than treating every graphics label as a performance score. Understanding the path is a stronger basis for interpreting an information panel than comparing version numbers in isolation.

Reading map: Rendering and graphics softwareFirst 1 topics in reading order: The bigger picture. Each topic links to its section or page.INSIDE THIS PAGERendering and graphics software1The bigger picture2 paragraphs

Display & Graphics

Note these before you change anything

Useful facts to have to hand while reading about rendering and graphics software.

  • Current driver version and date from the adapter's Driver tab
  • Resolution, refresh rate and scaling for each monitor
  • Which port and cable each display uses
  • Any per-application graphics settings you changed

Display & Graphics: Drawing a frame (output)

  1. Applicationrequests drawing
  2. Graphics APIfor example DirectX or Vulkan
  3. Display driveruser and kernel parts
  4. GPUrenders the frame
  5. Monitorover the display cable
Conceptual schematic of a selected path, not every request. Reads from software towards the device. Real systems add services, filter drivers and firmware not shown. Highlighted: the layer a driver change affects.

Pages in Rendering and graphics software

Thumbnail for Graphics APIs and device assistance: a graphics card receiving an ordered stack of machined, set beside a wireframe landscape of triangles in fine (Rendering and graphics software)Reference · 2 min read

Graphics APIs and device assistance

A graphics API gives applications a defined vocabulary for describing rendering or computation. It separates the program's requested operations from many of…

Thumbnail for The Windows graphics model: a stack of three frosted acrylic slabs on a, set beside a wireframe landscape of triangles in fine (Rendering and graphics software)Reference · 2 min read

The Windows graphics model

The Windows Display Driver Model, commonly called WDDM, defines relationships among graphics components, the operating system, and applications. It supports…

Thumbnail for Dedicated and shared graphics memory: a graphics card with its own memory chips beside, set beside a wireframe landscape of triangles in fine (Rendering and graphics software)Reference · 2 min read

Dedicated and shared graphics memory

Graphics workloads need memory for textures, render targets, commands, and other data. Dedicated and shared memory labels describe different resource…

Thumbnail for Desktop composition and surfaces: several frosted glass panes of different warm neutral tints, set beside a wireframe landscape of triangles in fine (Rendering and graphics software)Reference · 2 min read

Desktop composition and surfaces

Desktop composition combines the visual surfaces produced by applications into the image presented on a screen. It lets the operating system manage…

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