Display driver architecture

This paper introduces a 2-chip display driver architecture for A-Si LCD WQXGA resolution display to reduce power consumption in tablet display system. The paper also shows the cost benefits of 2-chip display driver architecture when compared to conventional Timing Controller (T-CON) and multi column drivers solution in a tablet display system.  · Summary: The Windows Display Driver Model (WDDM) is a new display driver architecture supported in Windows Vista. This display architecture is an overhaul of the Windows XP-based display architecture and gives users a better performing, more reliable desktop experience, while supporting new scenarios, graphics, and applications.  · WDDM is the display/graphics driver architecture available starting with Windows Vista. Drivers that adhere to WDDM run only on Windows Vista and later. Windows Display Driver Model (XDDM) Design Guide. XDDM is the display/graphics driver architecture available for Windows through Windows Vista and Windows 7.

As shown in the preceding figure, an application accesses the display card through GDI (user and kernel-mode portions) and the display driver. The display driver always supports GDI calls and, usually, DirectDraw and Direct3D calls. The device independent bitmap (DIB) engine portion of GDI emulates functionality when it is not supported by the display driver. When DirectDraw is invoked, it accesses the graphics card directly through the DirectDraw driver. WDDM is a display driver architecture introduced with Windows Vista. It improves graphics performance over the previous Windows XP architecture by more fully utilizing a computer's GPU to render system graphics. Graphics architecture What every developer should know about surfaces, SurfaceHolder, EGLSurface, SurfaceView, GLSurfaceView, SurfaceTexture, TextureView, SurfaceFlinger, and Vulkan. This page describes essential elements of the Android system-level graphics architecture and how they are used by the app framework and multimedia system.

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