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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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STA1295 데이터시트(PDF) 14 Page - STMicroelectronics |
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STA1295 데이터시트(HTML) 14 Page - STMicroelectronics |
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14 / 109 page  System description STA1295, STA1275 14/109 DS12586 Rev 5 2.8.9 Destination buffer color formats 2.9 2D Smart Graphics Accelerator The aim of the Smart Graphic Accelerator (SGA) is to provide an efficient 2D primitive drawing tool that breaks down the MIPS and power consumption related to bit blitting and composition tasks. 2D-Graphics features: • 2D Rendering Speed: up to 208 MPixel/s • Pixel, Line, Filled Triangle, Filled Rectangle primitives • Line-Stippling, Filling Pattern • Flat and Gradient colour fill (in triangles and rectangles) Video Overlay features: • Bit-Blitting on Rectangle, Triangle shapes • Image Resizing (Bilinear Interpolation Filter or Sub/OverSampling) • Image Rotation (with any angle) • Colour Conversion (YUV-to-RGB or RGB-to-YUV, 16-235 clamping possible) • Transparency extraction (exact Colour Keying or Colour Cube (triple interval) • Colour Swap with Colour Keying • Alpha-Blending of 3 sources to a destination, ROP boolean operations • Dithering operator Blend modes Porter-Duff blending modes Render target dithering support Yes Table 8. Render Target / Alpha blending (continued) Features GPU support Table 9. Destination buffer color formats Features GPU support Bits Format Alpha R G B Destination color formats 16 ARGB4444 4444 16 ARGB1555 1555 16 RGB565 0565 32 ARGB8888 8888 32 ARGB8888 8888 |
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