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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 5361 | serge | 1 | /* |
| 2 | * All Video Processing kernels |
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| 3 | * Copyright © <2010>, Intel Corporation. |
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| 4 | * |
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| 5 | * This program is licensed under the terms and conditions of the |
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| 6 | * Eclipse Public License (EPL), version 1.0. The full text of the EPL is at |
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| 7 | * http://www.opensource.org/licenses/eclipse-1.0.php. |
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| 8 | * |
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| 9 | */ |
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| 10 | |||
| 11 | // Module name: NV12_Load_8x5.asm |
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| 12 | //---------------------------------------------------------------- |
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| 13 | |||
| 14 | #define NV12_LOAD_8x5 |
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| 15 | #include "PL2_Load.inc" |
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| 16 | |||
| 17 | // Load 16x8 planar Y ---------------------------------------------------------- |
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| 18 | add (2) rMSGSRC.0<1>:d wORIX<2;2,1>:w wSRC_H_ORI_OFFSET<2;2,1>:w // Source Y Block origin |
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| 19 | #if !defined(LOAD_UV_ONLY) |
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| 20 | mov (1) rMSGSRC.2<1>:ud nDPR_BLOCK_SIZE_Y:ud // Y block width and height (16x8) |
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| 21 | mov (8) mMSGHDRY<1>:ud rMSGSRC<8;8,1>:ud |
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| 22 | send (8) udSRC_Y(0)<1> mMSGHDRY udDUMMY_NULL nDATAPORT_READ nDPMR_MSGDSC+nDPR_MSG_SIZE_Y+nBI_CURRENT_SRC_Y:ud |
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| 23 | #endif |
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| 24 | |||
| 25 | // Load 8x5 planar U and V ----------------------------------------------------- |
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| 26 | asr (1) rMSGSRC.1<1>:d rMSGSRC.1<0;1,0>:d 1:w // U/V block origin should be half of Y's |
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| 27 | mov (1) rMSGSRC.2<1>:ud nDPR_BLOCK_SIZE_UV:ud // U/V block width and height (16x5) |
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| 28 | mov (8) mMSGHDRU<1>:ud rMSGSRC<8;8,1>:ud |
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| 29 | send (8) udSRC_U(0)<1> mMSGHDRU udDUMMY_NULL nDATAPORT_READ nDPMR_MSGDSC+nDPR_MSG_SIZE_UV+nBI_CURRENT_SRC_UV:ud |
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| 30 | |||
| 31 | // Convert to word-aligned format ---------------------------------------------- |
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| 32 | #if !defined(LOAD_UV_ONLY) |
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| 33 | $for (nY_NUM_OF_ROWS-1; >-1; -1) { |
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| 34 | mov (16) uwDEST_Y(0,%1*16)<1> ubSRC_Y(0,%1*16) |
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| 35 | } |
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| 36 | #endif |
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| 37 | $for (nUV_NUM_OF_ROWS/2-1; >-1; -1) { |
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| 38 | mov (16) uwDEST_U(0,%1*16)<1> ubSRC_U(0,%1*32)<16;8,2> |
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| 39 | mov (16) uwDEST_V(0,%1*16)<1> ubSRC_U(0,%1*32+1)<16;8,2> |
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| 40 | } |
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| 41 | |||
| 42 | // End of NV12_Load_8x5 |