![]() |
|
|
| |
|
||||
Vertex and pixel shaders (4951 bytes)
2: ...s card]], executed once for every [[vertex]] or [[pixel]] in a specified [[3D computer graphics|3D]] [[me... 6: Flexible shaders were initially used for non-interactive rendering... 10: ...n parallel with multitexturing to produce a final pixel color and z-value for the final, rasterization st... 12: ...[[Half-Life 2]]'' make increasing use of hardware shaders. A brewing standards battle between ATI and Nvidi... 16: ...Language]]. Some key facts about vertex and pixel shaders are that they Pixel/new (12614 bytes) 1: [[de:Pixel]] 2: [[fr:Pixel]] 3: [[nl:pixel]] 5: [[sv:pixel]] 8: ... up. For a stable version of this article, see [[Pixel]].''' Pixel (9428 bytes) 1: ...though pel sometimes refers to ''[[#Sub-pixel|sub-pixel]]s''. 4: ... that sometimes (as in the example here) the edge pixels of text are reduced in shade to produce a less s... 6: ...e has a total number of 640 × 480 = 307,200 pixels. 8: ...be in one-to-one [[correspondence]] with [[screen pixel]]s. In areas where the distinction is important, ... 10: In computer programming, an image composed of pixels is known as a ''[[bitmap|bitmapped image]]'' or ... Pixel art (4785 bytes) 1: ... "true" pixel art, since the filters will add new pixels automatically, eliminating the careful placement... 3: ...ler sizes such as 16x16 and 24x24. Another use of pixel art on modern desktop computers is [[favicon]]s. 5: ...[Cross-stitch]] patterns resemble some aspects of pixel art. 9: The aspiring pixel artist must remember to keep the color count low;... 11: ...s, in a [[file format|format]] that can save each pixel of the image without loss of precision. Because o... Dead pixel (1269 bytes) 1: A '''dead pixel''' is a defective [[pixel]] that remains unlit, permanently lit, or a solid... 3: ...l units founds to have any number of sub-pixel or pixel defects, meaning the display is a "Class I" displ... 5: ... customer reports the unit as faulty and the dead pixels meet their minimum requirements for return. 9: ...index.html Tom's Hardware Guide investigates dead pixel policies] Pixel geometry (1394 bytes) 1: [[sv:Pixelgeometri]] 4: ...n be ordered in different [[pattern]]s, called '''pixel geometry'''. 6: ...]] arrangement of the [[primary color]]s within a pixel varies depending on usage (see figure 1). In [[co... 20: ...re 1. Geometrical layouts for primary colors in a pixel.'' </center> 22: ...arent [[display resolution|resolution]]. See [[subpixel rendering]]. Hunt-the-pixel (1328 bytes) 1: ...ed object is quite small, and may be only a few [[pixel]]s in size. The player may not have the faintest ... 3: ...ured interfaces that at times required a hunt-the-pixel approach. One situation in [[LucasArts]]'s [[Indi... Square meters per pixel (354 bytes) 1: ...rs per pixel''' ([[Square metre|m<sup>2</sup>]]/[[pixel]]) is the common unit of [[resolution]] for remot... 5: ...ite)|Terra]] in Earth orbit): 15-90 m<sup>2</sup>/pixel. Direct3D (2247 bytes) 3: ...med using Direct3D requires [[pixel shaders|pixel shaders]] and the [[graphics card]] on the user's compute... 10: ...ertex shaders]], [[Vertex and pixel shaders|pixel shaders]], [[fog]], [[bump mapping]] and [[texture mappin... GPGPU (1957 bytes) 3: ...-pixel, will be colored. Naturally, more bits per pixel allow a higher range of colors to be used, so gra... Shader (2402 bytes) 1: ...rs is to determine the final color of the object. Shaders can also be used to manipulate the object's posit... 3: Programmable shaders were introduced in [[Pixar]]'s [[RenderMan]], whi... 4: * ''Light source shaders'' calculate the color of the light emitted from a... 5: ...placement shaders'' are a special case of surface shaders that manipulate only the object's position, not i... 6: * ''Volume shaders'' manipulate the color of a light as it passes th... Calculating RGB values (2092 bytes) 3: A Bayer color filter is a matrix of colored [[pixels]] similar to the image below. 9: ...reen pixel and Red and Green values for each Blue pixel. 12: === Calculating Green value for a Red or Blue pixel: === 14: ...u can take the green value below or above the red pixel. 16: === Calculating Blue value for a Red pixel: === Cg programming language (4615 bytes) 2: ... [[programming]] [[Vertex shader|vertex and pixel shaders]]. 7: ... their rendering pipelines using vertex and pixel shaders. 9: In the beginning, vertex and pixel shaders were programmed at a very low level with only the... 38: Cg programs are merely vertex and pixel shaders, and they need supporting programs that handle th... 68: * [[Vertex shader|Vertex and pixel shaders]] Planar (1811 bytes) 5: ...dividual bit in a bitplane is related to a single pixel on the screen. 6: ...Truecolour]] graphics, the data for an individual pixel isn't in one specific location in [[Random Access... 8: ...s blue, and colour two is green, a byte of chunky pixel data would look like this: 10: 00000000 = Black pixel<br> 11: 00000001 = Blue pixel<br> GeForce 3 (2918 bytes) 3: ...ecute small custom transform and lighting and per-pixel programs, greatly increasing the card's flexibili... CryENGINE (839 bytes) 3: ...eo card]]s with support for 2.0 pixel and vertext shaders were released, Crytek released version 1.2 of the... Digital compositing (1650 bytes) 3: ...nput [[pixel]] values that end up a single output pixel. 5: Consider three pixels; 6: * a foreground pixel, f 7: * a background pixel, b 8: * a composited pixel, c Subpixel rendering (826 bytes) 2: ...ubpixel demonstration (Quartz).png|thumb|right|Subpixel rendering works by effectively tripling the horiz... 3: ...ividual red, green and blue [[Pixel#sub-pixel|sub-pixel]] stripes. The eye can be fooled into perceiving... 7: ...typography#Subpixel rendering|AppleTypography: Subpixel rendering]] 10: * [http://www.agfamonotype.com/ce/subpixel_rendering.asp AGFA explanation] YUV 4:2:2 (965 bytes) 4: ...el, and the second pixel an 8 bit V channel. Both pixels use the same U and V channels. 12: Pixels will be actually reconstructed as follows: Chunky (669 bytes) 1: ...(which can be more generic than just one byte per pixel).
|
|||||
|
|
|
|
|
|
Copyright 2008 WordIQ.com - Privacy Policy
::
Terms of Use
:: Contact Us
:: About Us This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "pixel shaders". |