That in turn creates a tremendous computational load. Depending on resolution, in excess of 2 million pixels may need to be rendered, lit, shaded, and colored for each frame, at 60 frames per second. Now, with programmable Pixel Shaders, images such as this one can be achieved.Ī Pixel Shader is a graphics function that calculates effects on a per-pixel basis. This object is an animated, bumpy, reflective surface-something that would have been impossible to render in real time with previous 3D hardware. By altering the lighting and surface effects, artists are able to manipulate colors, textures, or shapes and to generate complex, realistic scenes. Characters now have facial hair and blemishes, golf balls have dimples, a red chair gains a subtle leather look, and wood exhibits texture and grain.
An infinite number of material effects replace the artificial, computerized look with high-impact organic surfaces.
Pixel Shaders create ambiance with materials and surfaces that mimic reality.
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