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5361 | serge | 1 | /* |
2 | * Copyright © 2006 Intel Corporation |
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3 | * |
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4 | * Permission is hereby granted, free of charge, to any person obtaining a |
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5 | * copy of this software and associated documentation files (the "Software"), |
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6 | * to deal in the Software without restriction, including without limitation |
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7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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8 | * and/or sell copies of the Software, and to permit persons to whom the |
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9 | * Software is furnished to do so, subject to the following conditions: |
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10 | * |
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11 | * The above copyright notice and this permission notice (including the next |
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12 | * paragraph) shall be included in all copies or substantial portions of the |
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13 | * Software. |
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14 | * |
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15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
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21 | * IN THE SOFTWARE. |
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22 | * |
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23 | * Authors: |
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24 | * Wang Zhenyu |
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25 | * Keith Packard |
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26 | */ |
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27 | |||
28 | /* |
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29 | * Fragment to compute src u/v values under an affine transform |
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30 | */ |
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31 | |||
32 | /********** Compute u *************/ |
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33 | |||
34 | mul (16) temp_x<1>F dst_x<8,8,1>F du_dx { compr align1 }; |
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35 | mul (16) temp_y<1>F dst_y<8,8,1>F du_dy { compr align1 }; |
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36 | add (16) temp_x<1>F temp_x<8,8,1>F temp_y<8,8,1>F { compr align1 }; |
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37 | add (16) u<1>F temp_x<8,8,1>F uo { compr align1 }; |
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38 | |||
39 | /********** Compute v *************/ |
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40 | |||
41 | mul (16) temp_x<1>F dst_x<8,8,1>F dv_dx { compr align1 }; |
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42 | mul (16) temp_y<1>F dst_y<8,8,1>F dv_dy { compr align1 }; |
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43 | add (16) temp_x<1>F temp_x<8,8,1>F temp_y<8,8,1>F { compr align1 }; |
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44 | add (16) v<1>F temp_x<8,8,1>F vo { compr align1 };8,8,1>1>8,8,1>8,8,1>1>8,8,1>1>8,8,1>1>8,8,1>1>8,8,1>8,8,1>1>8,8,1>1>8,8,1>1> |