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像素著色引擎

像素著色引擎(Pixel Shader)是以每像素(Pixel)為單位的圖形處理功能。像素著色引擎不是最迫切需要的,擁有較低的優先權,當頂點著色引擎負荷大時,像素著色引擎可能被閒置著。大多數情況下,可使用頂點著色法代替像素著色法。

Direct3D 9.0 擴充像素著色引擎,有多達1536個指令。

程式化

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像素著色引擎可以用下列語言程式化:組合語言CgGLSLHLSL

相容性

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硬體

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下表列出顯示卡、圖形晶片、以及DirectX所支持的像素着色引擎版本。图形芯片一般是完全向下兼容的(如支持 3.0 的芯片也同时支持 2.0,1.1 等)。

PS 版本 DirectX 版本 3DLabs ATI Intel Matrox NVIDIA S3 Graphics SiS XGI
1.0/1.1 8.0 - - - - GeForce 3 series - Xabre-Series -
1.2 8.0a Wildcat VP - - - - - - -
1.3 8.0a - - - Parhelia series GeForce 4 Ti/Go series - Mirage 2 -
1.4 8.1 - Radeon R200 (8500-9250) - - - - - Volari V3 series (except V3XT)
2.0 9.0 Wildcat Realizm Radeon R300 (9500-9800, X300-X600) Intel GMA 900, 950, 3000, 3100 - - DeltaChrome, GammaChrome, Chrome S2x series Mirage 3, Mirage 3+ Volari V3XT, Volari V5 series, Volari V8 series, Volari 8300, Volari XP10
2.0a 9.0a - - - - - - - -
2.0b 9.0b - Radeon R420 (X700-X850) - - GeForce FX / 5 series - - -
3.0 9.0c - Radeon R520 (X1300-X1950) Intel GMA 500, X3000, G965 - GeForce 6 series, GeForce 7 series - - -
4.0 10 - Radeon R600 (HD 2400-HD 2900) Intel GMA X3100, X3500, HD Graphics - GeForce 8 series, GeForce 9 Series, GeForce 200 Series - Mirage 4 -
4.1 10.1 - Radeon R600 (HD 3xxx), Radeon R700 (HD 4xxx) Intel GMA HD 2000/3000 - GeForce 300 Series - - -
5.0 11 - Radeon R800 (HD 5xxx), Radeon (HD 6xxx) - - GeForce 400 Series, GeForce 500 Series - - -

(Italics indicate products that are not yet available.)

外部連結

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像素著色引擎
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