1428d7b3dSmrg/* 2428d7b3dSmrg * Copyright © 2006 Intel Corporation 3428d7b3dSmrg * 4428d7b3dSmrg * Permission is hereby granted, free of charge, to any person obtaining a 5428d7b3dSmrg * copy of this software and associated documentation files (the "Software"), 6428d7b3dSmrg * to deal in the Software without restriction, including without limitation 7428d7b3dSmrg * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8428d7b3dSmrg * and/or sell copies of the Software, and to permit persons to whom the 9428d7b3dSmrg * Software is furnished to do so, subject to the following conditions: 10428d7b3dSmrg * 11428d7b3dSmrg * The above copyright notice and this permission notice (including the next 12428d7b3dSmrg * paragraph) shall be included in all copies or substantial portions of the 13428d7b3dSmrg * Software. 14428d7b3dSmrg * 15428d7b3dSmrg * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16428d7b3dSmrg * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17428d7b3dSmrg * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18428d7b3dSmrg * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19428d7b3dSmrg * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20428d7b3dSmrg * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 21428d7b3dSmrg * IN THE SOFTWARE. 22428d7b3dSmrg * 23428d7b3dSmrg * Authors: 24428d7b3dSmrg * Wang Zhenyu <zhenyu.z.wang@intel.com> 25428d7b3dSmrg * Keith Packard <keithp@keithp.com> 26428d7b3dSmrg */ 27428d7b3dSmrg 28428d7b3dSmrg/* 29428d7b3dSmrg * Fragment to compute src u/v values under an affine transform 30428d7b3dSmrg */ 31428d7b3dSmrg 32428d7b3dSmrg/********** Compute u *************/ 33428d7b3dSmrg 34428d7b3dSmrgmul (16) temp_x<1>F dst_x<8,8,1>F du_dx { compr align1 }; 35428d7b3dSmrgmul (16) temp_y<1>F dst_y<8,8,1>F du_dy { compr align1 }; 36428d7b3dSmrgadd (16) temp_x<1>F temp_x<8,8,1>F temp_y<8,8,1>F { compr align1 }; 37428d7b3dSmrgadd (16) u<1>F temp_x<8,8,1>F uo { compr align1 }; 38428d7b3dSmrg 39428d7b3dSmrg/********** Compute v *************/ 40428d7b3dSmrg 41428d7b3dSmrgmul (16) temp_x<1>F dst_x<8,8,1>F dv_dx { compr align1 }; 42428d7b3dSmrgmul (16) temp_y<1>F dst_y<8,8,1>F dv_dy { compr align1 }; 43428d7b3dSmrgadd (16) temp_x<1>F temp_x<8,8,1>F temp_y<8,8,1>F { compr align1 }; 44428d7b3dSmrgadd (16) v<1>F temp_x<8,8,1>F vo { compr align1 }; 45