Accelerated Graphic Cards: Difference between revisions
Jump to navigation
Jump to search
| [unchecked revision] | [unchecked revision] |
Content added Content deleted
| Line 48: | Line 48: | ||
* Hardware mouse cursor, drawn and managed (e.g. you provide coordinates, the card does the rest) |
* Hardware mouse cursor, drawn and managed (e.g. you provide coordinates, the card does the rest) |
||
* Bitblt (for "''BIT'' ''BL''ock ''T''ransfer") can be used for screen-to-screen memory copy like window moving, scrolling, etc. You provide from and to boxes and the card does the rest. Some might know this as the "rasterop" or remember the hardware "blitter" in Amiga computers. |
* Bitblt (for "'''BIT''' '''BL'''ock '''T'''ransfer") can be used for screen-to-screen memory copy like window moving, scrolling, etc. You provide from and to boxes and the card does the rest. Some might know this as the "rasterop" or remember the hardware "blitter" in Amiga computers. |
||
* Tiles. You enter a small NxN dataset (usually a bitmap of between 8x8 and 32x32), a foreground color and a mixing style plus some coordinates and the card "paints" the area with the given pattern. That can be handy to render Win95-like backgrounds (tiled ones) or even to draw fonts quickly. |
* Tiles. You enter a small NxN dataset (usually a bitmap of between 8x8 and 32x32), a foreground color and a mixing style plus some coordinates and the card "paints" the area with the given pattern. That can be handy to render Win95-like backgrounds (tiled ones) or even to draw fonts quickly. |
||