19 Facts About Direct3D 111

Part of DirectX, Direct3D 111 is used to render three-dimensional graphics in applications where performance is important, such as games.

Direct3D 111 uses hardware acceleration if it is available on the graphics card, allowing for hardware acceleration of the entire 3D rendering pipeline or even only partial acceleration.

Direct3D 111 exposes the advanced graphics capabilities of 3D graphics hardware, including Z-buffering, W-buffering, stencil buffering, spatial anti-aliasing, alpha blending, color blending, mipmapping, texture blending, clipping, culling, atmospheric effects, perspective-correct texture mapping, programmable HLSL shaders and effects.

Integration with other DirectX technologies enables Direct3D 111 to deliver such features as video mapping, hardware 3D rendering in 2D overlay planes, and even sprites, providing the use of 2D and 3D graphics in interactive media ties.

Direct3D 111 contains many commands for 3D computer graphics rendering; however, since version 8, Direct3D 111 has superseded the DirectDraw framework and taken responsibility for the rendering of 2D graphics.

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Direct3D 111 offers full vertex software emulation but no pixel software emulation for features not available in hardware.

For example, if software programmed using Direct3D 111 requires pixel shaders and the video card on the user's computer does not support that feature, Direct3D 111 will not emulate it, although it will compute and render the polygons and textures of the 3D models, albeit at a usually degraded quality and performance compared to the hardware equivalent.

Direct3D 111 initially implemented an "immediate mode" 3D API and layered upon it a "retained mode" 3D API.

Only two games that sold a significant volume, Lego Island and Lego Rock Raiders, were based on the Direct3D 111 retained mode, so Microsoft did not update the retained mode API after DirectX 3.

Direct3D 111 subsumed all remaining DirectDraw API calls still needed for application development, such as Present, the function used to display rendering results.

Direct3D 111 was not considered to be user friendly, but as of DirectX version 8.

Direct3D 111 8 contained many powerful 3D graphics features, such as vertex shaders, pixel shaders, fog, bump mapping and texture mapping.

Direct3D 111 12 allows a lower level of hardware abstraction than earlier versions, enabling future games to significantly improve multithreaded scaling and decrease CPU utilization.

Direct3D 111 12 learned from AMD Mantle in command lists and bundles, aiming to ensure the CPU and GPU working together in a more balanced manner.

The aim of Direct3D 111 is to abstract the communication between a graphics application and the graphics hardware drivers.

Direct3D 111 10 introduced a much simplified set of mandatory hardware requirements based on most popular Direct3D 111 9 capabilities which all supporting graphics cards had to adhere to, with only a few optional capabilities for supported texture formats and operations.

Direct3D 111 12 introduces a revamped resource binding model which allows explicit control of memory.

Direct3D 111 Mobile is derived from Direct3D 111 but has a smaller memory footprint.

Direct3D 111 comes with D3DX, a library of tools designed to perform common mathematical calculations on vectors, matrices and colors, calculating look-at and projection matrices, spline interpolations, and several more complicated tasks, such as compiling or assembling shaders used for 3D graphic programming, compressed skeletal animation storage and matrix stacks.