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  1. /*
  2.  * Copyright © 2013 Intel Corporation
  3.  *
  4.  * Permission is hereby granted, free of charge, to any person obtaining a
  5.  * copy of this software and associated documentation files (the "Software"),
  6.  * to deal in the Software without restriction, including without limitation
  7.  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  8.  * and/or sell copies of the Software, and to permit persons to whom the
  9.  * Software is furnished to do so, subject to the following conditions:
  10.  *
  11.  * The above copyright notice and this permission notice (including the next
  12.  * paragraph) shall be included in all copies or substantial portions of the
  13.  * Software.
  14.  *
  15.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16.  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17.  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18.  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19.  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20.  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21.  * IN THE SOFTWARE.
  22.  *
  23.  */
  24.  
  25. /*
  26.  * Fragment to compute src u/v values
  27.  */
  28. include(`exa_wm.g4i')
  29.  
  30. define(`ul',    `g66')
  31. define(`uh',    `g67')
  32. define(`vl',    `g68')
  33. define(`vh',    `g69')
  34.  
  35. define(`bl',    `g2.0<8,8,1>F')
  36. define(`bh',    `g4.0<8,8,1>F')
  37.  
  38.  
  39. /* U */
  40. pln (8) ul<1>F a0_a_x bl { align1 }; /* pixel 0-7 */
  41. pln (8) uh<1>F a0_a_x bh { align1 }; /* pixel 8-15 */
  42.  
  43. /* V */
  44. pln (8) vl<1>F a0_a_y bl { align1 }; /* pixel 0-7 */
  45. pln (8) vh<1>F a0_a_y bh { align1 }; /* pixel 8-15 */
  46.