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  1. /*
  2.  * Copyright © 2008 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 FROM,
  20.  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  21.  * SOFTWARE.
  22.  *
  23.  * Author:
  24.  *    Zou Nan hai <nanhai.zou@intel.com>
  25.  *    Yan Li <li.l.yan@intel.com>
  26.  *    Liu Xi bin<xibin.liu@intel.com>
  27.  */
  28. /* GRF allocation:
  29.    g1~g30: constant buffer
  30.            g1~g2:intra IQ matrix
  31.            g3~g4:non intra IQ matrix
  32.            g5~g20:IDCT table
  33.    g31:    thread payload
  34.    g32:    message descriptor for reading reference data
  35.    g58~g81:reference data
  36.    g82:    thread payload backup
  37.    g83~g106:IDCT data                           */
  38. mov (2) g31.0<1>UD g82.12<2,2,1>UW {align1};          //restore x and y
  39.  
  40. and.nz (1) null g82.2<1,1,1>UW 0x20UW {align1};       //dct_type
  41. (f0) jmpi field_dct;
  42.  
  43. add (16) g58.0<1>W g83.0<16,16,1>W g58.0<16,16,2>UB {align1};
  44. add (16) g59.0<1>W g84.0<16,16,1>W g59.0<16,16,2>UB {align1};
  45. add (16) g60.0<1>W g85.0<16,16,1>W g60.0<16,16,2>UB {align1};
  46. add (16) g61.0<1>W g86.0<16,16,1>W g61.0<16,16,2>UB {align1};
  47. add (16) g62.0<1>W g87.0<16,16,1>W g62.0<16,16,2>UB {align1};
  48. add (16) g63.0<1>W g88.0<16,16,1>W g63.0<16,16,2>UB {align1};
  49. add (16) g64.0<1>W g89.0<16,16,1>W g64.0<16,16,2>UB {align1};
  50. add (16) g65.0<1>W g90.0<16,16,1>W g65.0<16,16,2>UB {align1};
  51. add (16) g66.0<1>W g91.0<16,16,1>W g66.0<16,16,2>UB {align1};
  52. add (16) g67.0<1>W g92.0<16,16,1>W g67.0<16,16,2>UB {align1};
  53. add (16) g68.0<1>W g93.0<16,16,1>W g68.0<16,16,2>UB {align1};
  54. add (16) g69.0<1>W g94.0<16,16,1>W g69.0<16,16,2>UB {align1};
  55. add (16) g70.0<1>W g95.0<16,16,1>W g70.0<16,16,2>UB {align1};
  56. add (16) g71.0<1>W g96.0<16,16,1>W g71.0<16,16,2>UB {align1};
  57. add (16) g72.0<1>W g97.0<16,16,1>W g72.0<16,16,2>UB {align1};
  58. add (16) g73.0<1>W g98.0<16,16,1>W g73.0<16,16,2>UB {align1};
  59. jmpi write_back;
  60.  
  61. field_dct:
  62. add (16) g58.0<1>W g83.0<16,16,1>W g58.0<16,16,2>UB {align1};
  63. add (16) g59.0<1>W g91.0<16,16,1>W g59.0<16,16,2>UB {align1};
  64. add (16) g60.0<1>W g84.0<16,16,1>W g60.0<16,16,2>UB {align1};
  65. add (16) g61.0<1>W g92.0<16,16,1>W g61.0<16,16,2>UB {align1};
  66. add (16) g62.0<1>W g85.0<16,16,1>W g62.0<16,16,2>UB {align1};
  67. add (16) g63.0<1>W g93.0<16,16,1>W g63.0<16,16,2>UB {align1};
  68. add (16) g64.0<1>W g86.0<16,16,1>W g64.0<16,16,2>UB {align1};
  69. add (16) g65.0<1>W g94.0<16,16,1>W g65.0<16,16,2>UB {align1};
  70. add (16) g66.0<1>W g87.0<16,16,1>W g66.0<16,16,2>UB {align1};
  71. add (16) g67.0<1>W g95.0<16,16,1>W g67.0<16,16,2>UB {align1};
  72. add (16) g68.0<1>W g88.0<16,16,1>W g68.0<16,16,2>UB {align1};
  73. add (16) g69.0<1>W g96.0<16,16,1>W g69.0<16,16,2>UB {align1};
  74. add (16) g70.0<1>W g89.0<16,16,1>W g70.0<16,16,2>UB {align1};
  75. add (16) g71.0<1>W g97.0<16,16,1>W g71.0<16,16,2>UB {align1};
  76. add (16) g72.0<1>W g90.0<16,16,1>W g72.0<16,16,2>UB {align1};
  77. add (16) g73.0<1>W g98.0<16,16,1>W g73.0<16,16,2>UB {align1};
  78.  
  79. write_back:
  80. mov (1) g31.8<1>UD 0x00F000FUD {align1};
  81. mov.sat (16) g58.0<2>UB g58.0<16,16,1>W {align1};
  82. mov.sat (16) g59.0<2>UB g59.0<16,16,1>W {align1};
  83. mov.sat (16) g60.0<2>UB g60.0<16,16,1>W {align1};
  84. mov.sat (16) g61.0<2>UB g61.0<16,16,1>W {align1};
  85. mov.sat (16) g62.0<2>UB g62.0<16,16,1>W {align1};
  86. mov.sat (16) g63.0<2>UB g63.0<16,16,1>W {align1};
  87. mov.sat (16) g64.0<2>UB g64.0<16,16,1>W {align1};
  88. mov.sat (16) g65.0<2>UB g65.0<16,16,1>W {align1};
  89. mov.sat (16) g66.0<2>UB g66.0<16,16,1>W {align1};
  90. mov.sat (16) g67.0<2>UB g67.0<16,16,1>W {align1};
  91. mov.sat (16) g68.0<2>UB g68.0<16,16,1>W {align1};
  92. mov.sat (16) g69.0<2>UB g69.0<16,16,1>W {align1};
  93. mov.sat (16) g70.0<2>UB g70.0<16,16,1>W {align1};
  94. mov.sat (16) g71.0<2>UB g71.0<16,16,1>W {align1};
  95. mov.sat (16) g72.0<2>UB g72.0<16,16,1>W {align1};
  96. mov.sat (16) g73.0<2>UB g73.0<16,16,1>W {align1};
  97.  
  98. mov (16) m1.0<1>UB  g58.0<16,16,2>UB {align1};
  99. mov (16) m1.16<1>UB g59.0<16,16,2>UB {align1};
  100. mov (16) m2.0<1>UB  g60.0<16,16,2>UB {align1};
  101. mov (16) m2.16<1>UB g61.0<16,16,2>UB {align1};
  102. mov (16) m3.0<1>UB  g62.0<16,16,2>UB {align1};
  103. mov (16) m3.16<1>UB g63.0<16,16,2>UB {align1};
  104. mov (16) m4.0<1>UB  g64.0<16,16,2>UB {align1};
  105. mov (16) m4.16<1>UB g65.0<16,16,2>UB {align1};
  106. mov (16) m5.0<1>UB  g66.0<16,16,2>UB {align1};
  107. mov (16) m5.16<1>UB g67.0<16,16,2>UB {align1};
  108. mov (16) m6.0<1>UB  g68.0<16,16,2>UB {align1};
  109. mov (16) m6.16<1>UB g69.0<16,16,2>UB {align1};
  110. mov (16) m7.0<1>UB  g70.0<16,16,2>UB {align1};
  111. mov (16) m7.16<1>UB g71.0<16,16,2>UB {align1};
  112. mov (16) m8.0<1>UB  g72.0<16,16,2>UB {align1};
  113. mov (16) m8.16<1>UB g73.0<16,16,2>UB {align1};
  114. send (16) 0 acc0<1>UW g31<8,8,1>UW write(0,0,2,0) mlen 9 rlen 0 {align1};
  115.  
  116. //U
  117. mov (1) g31.8<1>UD 0x0070007UD  { align1 };
  118. shr (2) g31.0<1>UD g31.0<2,2,1>UD 1D {align1};
  119. add (16) g74.0<1>W g99.0<16,16,1>W g74.0<16,16,1>UW {align1};
  120. add (16) g75.0<1>W g100.0<16,16,1>W g75.0<16,16,1>UW {align1};
  121. add (16) g76.0<1>W g101.0<16,16,1>W g76.0<16,16,1>UW {align1};
  122. add (16) g77.0<1>W g102.0<16,16,1>W g77.0<16,16,1>UW {align1};
  123. mov.sat (16) g74.0<2>UB g74.0<16,16,1>W {align1};
  124. mov.sat (16) g75.0<2>UB g75.0<16,16,1>W {align1};
  125. mov.sat (16) g76.0<2>UB g76.0<16,16,1>W {align1};
  126. mov.sat (16) g77.0<2>UB g77.0<16,16,1>W {align1};
  127.  
  128. mov (16) m1.0<1>UB g74.0<16,16,2>UB {align1};
  129. mov (16) m1.16<1>UB g75.0<16,16,2>UB {align1};
  130. mov (16) m2.0<1>UB g76.0<16,16,2>UB {align1};
  131. mov (16) m2.16<1>UB g77.0<16,16,2>UB {align1};
  132. send (16) 0 acc0<1>UW g31<8,8,1>UW write(1, 0, 2, 0) mlen 3 rlen 0 { align1 };
  133.  
  134. //V
  135. add (16) g78.0<1>UW g103.0<16,16,1>W g78.0<16,16,1>UW {align1};
  136. add (16) g79.0<1>UW g104.0<16,16,1>W g79.0<16,16,1>UW {align1};
  137. add (16) g80.0<1>UW g105.0<16,16,1>W g80.0<16,16,1>UW {align1};
  138. add (16) g81.0<1>UW g106.0<16,16,1>W g81.0<16,16,1>UW {align1};
  139. mov.sat (16) g78.0<2>UB g78.0<16,16,1>W {align1};
  140. mov.sat (16) g79.0<2>UB g79.0<16,16,1>W {align1};
  141. mov.sat (16) g80.0<2>UB g80.0<16,16,1>W {align1};
  142. mov.sat (16) g81.0<2>UB g81.0<16,16,1>W {align1};
  143.  
  144. mov (16) m1.0<1>UB g78.0<16,16,2>UB {align1};
  145. mov (16) m1.16<1>UB g79.0<16,16,2>UB {align1};
  146. mov (16) m2.0<1>UB g80.0<16,16,2>UB {align1};
  147. mov (16) m2.16<1>UB g81.0<16,16,2>UB {align1};
  148. send (16) 0 acc0<1>UW g31<8,8,1>UW write(2, 0, 2, 0) mlen 3 rlen 0 { align1 };
  149.  
  150. send (16) 0 acc0<1>UW g0<8,8,1>UW
  151.         thread_spawner(0, 0, 0) mlen 1 rlen 0 { align1 EOT};
  152.  
  153.