70 lines
2.6 KiB
Plaintext
70 lines
2.6 KiB
Plaintext
/*
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* Copyright © 2008 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Author:
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* Zou Nan hai <nanhai.zou@intel.com>
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* Zhang Hua jun <huajun.zhang@intel.com>
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* Xing Dong sheng <dongsheng.xing@intel.com>
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*
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*/
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/* shader for backward predict mc
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*/
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mov (8) g76.0<1>UD g1.0<8,8,1>UD {align1};
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//mov (8) g77.0<1>UD g2.0<8,8,1>UD {align1};
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include(`block_clear.g4i')
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mov (2) g1.14<1>UW g1.18<2,2,1>UW {align1};
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/* save payload */
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mov (8) g115.0<1>UD g1.0<8,8,1>UD {align1};
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/* 8x8 media read/write payload */
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mov (1) g1.8<1>UD 0x0070007UD {align1};
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/* save payload, again */
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define(`dest', `g118')
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define(`input_surface', `7')
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define(`mv1', `g115.14')
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define(`mv2', `g115.16')
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/* Y */
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/* (x', y') = (x, y) + (motion_vector.x >> 1, motion_vector.y >> 1) */
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asr (2) g1.14<1>W g115.14<2,2,1>W 1W {align1};
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add (2) g2.0<1>UD g115.0<2,2,1>UD g1.14<2,2,1>W {align1};
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include(`motion_frame_y.g4i')
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/* motion_vector = motion_vector >> 1 */
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/* (x', y') = (x, y) + (motion_vector.x >> 1, motion_vector.y >> 1) */
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shr (2) g1.0<1>UD g115.0<2,2,1>UD 1UD {align1};
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asr (2) g115.14<1>W g115.14<2,2,1>W 1W {align1};
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asr (2) g1.14<1>W g115.14<2,2,1>W 1W {align1};
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add (2) g2.0<1>UD g1.0<2,2,1>UD g1.14<2,2,1>W {align1};
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/* U */
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define(`input_surface1', `8')
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define(`input_surface2', `9')
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mov (1) g2.8<1>UD 0x007000fUD {align1};
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include(`motion_frame_uv.g4i')
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/* V */
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/* (x', y') = (x, y) + (motion_vector.x >> 1, motion_vector.y >> 1) */
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include(`addidct.g4i')
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send (16) 0 acc0<1>UW g0<8,8,1>UW
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thread_spawner(0, 0, 0) mlen 1 rlen 0 { align1 EOT};
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