| /* |
| * Copyright © 2006 Intel Corporation |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| * IN THE SOFTWARE. |
| * |
| * Authors: |
| * Wang Zhenyu <zhenyu.z.wang@intel.com> |
| * Keith Packard <keithp@keithp.com> |
| */ |
| |
| /* |
| * Fragment to compute src u/v values under an affine transform |
| */ |
| |
| /********** Compute u *************/ |
| |
| mul (16) temp_x<1>F dst_x<8,8,1>F du_dx { compr align1 }; |
| mul (16) temp_y<1>F dst_y<8,8,1>F du_dy { compr align1 }; |
| add (16) temp_x<1>F temp_x<8,8,1>F temp_y<8,8,1>F { compr align1 }; |
| add (16) u<1>F temp_x<8,8,1>F uo { compr align1 }; |
| |
| /********** Compute v *************/ |
| |
| mul (16) temp_x<1>F dst_x<8,8,1>F dv_dx { compr align1 }; |
| mul (16) temp_y<1>F dst_y<8,8,1>F dv_dy { compr align1 }; |
| add (16) temp_x<1>F temp_x<8,8,1>F temp_y<8,8,1>F { compr align1 }; |
| add (16) v<1>F temp_x<8,8,1>F vo { compr align1 }; |
