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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 5131 | clevermous | 1 | |
| 2 | http://www.devolution.com/~slouken/SDL/ |
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| 7 | data files from http://www.idsoftware.com/. |
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| 10 | // Duff's Device |
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| 11 | count = width; |
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| 12 | n = (count + 7) / 8; |
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| 13 | dest = ((PIXEL16 *)src) + x+width - 1; |
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| 14 | src += x+width - 1; |
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| 15 | |||
| 16 | |||
| 17 | case 0: do { *dest-- = st2d_8to16table[*src--]; |
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| 18 | case 7: *dest-- = st2d_8to16table[*src--]; |
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| 19 | case 6: *dest-- = st2d_8to16table[*src--]; |
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| 20 | case 5: *dest-- = st2d_8to16table[*src--]; |
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| 21 | case 4: *dest-- = st2d_8to16table[*src--]; |
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| 22 | case 3: *dest-- = st2d_8to16table[*src--]; |
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| 23 | case 2: *dest-- = st2d_8to16table[*src--]; |
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| 24 | case 1: *dest-- = st2d_8to16table[*src--]; |
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| 25 | } while (--n > 0); |
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| 26 | } |
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| 27 | This idea may make it into the SDL blitters if it turns out to be faster |
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| 28 | than my current code. :) |
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| 31 | open source release of id games. :) |
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| 34 |