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Software renderer running on a device without a GPU
Software rendering is the process of generating an image from a model by means of computer software. In the context of computer graphics rendering, software rendering refers to a rendering process that is not dependent upon graphics hardware ASICs, such as a graphics card. The rendering takes place entirely in the CPU. Rendering everything with the (general-purpose) CPU has the main advantage that it is not restricted to the (limited) capabilities of graphics hardware, but the disadvantage is that more transistors are needed to obtain the same speed.
Rendering is used in architecture, simulators, video games, movies and television visual effects and design visualization. Rendering is the last step in an animation process, and gives the final appearance to the models and animation with visual effects such as shading, texture-mapping, shadows, reflections and motion blur.[1] Rendering can be split into two main categories: real-time rendering (also known as online rendering), and pre-rendering (also called offline rendering). Real-time rendering is used to interactively render a scene, like in 3D computer games, and generally each frame must be rendered in a few milliseconds. Offline rendering is used to create realistic images and movies, where each frame can take hours or days to complete, or for debugging of complex graphics code by programmers.
^"LIVE Design - Interactive Visualizations | Autodesk". Archived from the original on February 21, 2014. Retrieved 2016-08-20.
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approach was also known early in the history of softwarerendering. Implementations of Reyes rendering often divide the image into "tile buckets". Early...
smoothing jagged shapes as in conventional antialiasing. Subpixel rendering requires the software to know the layout of the subpixels. The most common reason...
the game engine developed by id Software to power their 1996 video game Quake. It featured true 3D real-time rendering. Since 2012, it has been licensed...
or other VM software). It can be extended and customized through its SDK or scripting using a Maxscript. It can use third-party rendering options such...
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computers rather than traditional media. Using graphic art software may be more efficient than rendering using traditional media by requiring less hand–eye coordination...
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resources, and the simplification of the softwarerendering pipeline. One key disadvantage of deferred rendering is the inability to handle transparency...
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