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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: RGBA_Load_16x8.asm (copied from AYUV_Load_16x8.asm) |
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| 12 | //---------------------------------------------------------------- |
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| 13 | |||
| 14 | |||
| 15 | #include "RGBX_Load_16x8.inc" |
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| 16 | |||
| 17 | // In order to load 64x8 RGBA data (16x8 pixels), we need to divide the data |
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| 18 | // into two regions and load them separately. |
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| 19 | // |
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| 20 | // 32 byte 32 byte |
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| 21 | //|----------------|----------------| |
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| 22 | //| | | |
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| 23 | //| A | B |8 |
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| 24 | //| | | |
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| 25 | //| | | |
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| 26 | //|----------------|----------------| |
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| 27 | |||
| 28 | // Load the first 32x8 data block |
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| 29 | // Packed data block should be loaded as 32x8 pixel block |
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| 30 | add (2) rMSGSRC.0<1>:d wORIX<2;2,1>:w wSRC_H_ORI_OFFSET<2;2,1>:w // Source Block origin |
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| 31 | shl (1) rMSGSRC.0<1>:d rMSGSRC.0<0;1,0>:w 2:w { NoDDClr } // H. block origin need to be four times larger |
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| 32 | mov (1) rMSGSRC.2<1>:ud nDPR_BLOCK_SIZE_RGBA:ud { NoDDChk } // Block width and height (32x8) |
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| 33 | mov (8) mMSGHDRY<1>:ud rMSGSRC<8;8,1>:ud |
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| 34 | send (8) udSRC_RGBA(0)<1> mMSGHDRY udDUMMY_NULL nDATAPORT_READ nDPMR_MSGDSC+nDPR_MSG_SIZE_RGBA+nBI_CURRENT_SRC_YUV:ud |
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| 35 | |||
| 36 | //Load the second 32x8 data block |
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| 37 | // Offset the origin X - move to next 32 colomns |
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| 38 | add (1) rMSGSRC.0<1>:d rMSGSRC.0<0;1,0>:d 32:w // Increase X origin by 8 |
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| 39 | |||
| 40 | // Size stays the same - 32x8 |
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| 41 | mov (8) mMSGHDRY<1>:ud rMSGSRC<8;8,1>:ud // Copy message description to message header |
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| 42 | send (8) udSRC_RGBA(8)<1> mMSGHDRY udDUMMY_NULL nDATAPORT_READ nDPMR_MSGDSC+nDPR_MSG_SIZE_RGBA+nBI_CURRENT_SRC_YUV:ud |
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| 43 | |||
| 44 | // Give AYUV region addresses to address register |
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| 45 | // a0.0 is 0x38*32, a0.1 is 0x40*32. 0x40-0x38=8 (pixel) |
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| 46 | mov (1) SRC_RGBA_OFFSET<1>:ud 0x00400038*32:ud //Address registers contain starting addresses of two halves |
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| 47 | |||
| 48 | #if !defined(FIX_POINT_CONVERSION) && !defined(FLOAT_POINT_CONVERSION) |
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| 49 | //Directly move the data to destination |
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| 50 | $for(0; |
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| 51 | // 8 means 8 elements, not 2=8/2 element per row. |
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| 52 | mov (16) uwDEST_Y(%1)<1> r[SRC_RGBA_OFFSET,%1*32+3]<8,4>:ub // A/R |
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| 53 | mov (16) uwDEST_U(%1)<1> r[SRC_RGBA_OFFSET,%1*32+2]<8,4>:ub // Y/G |
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| 54 | mov (16) uwDEST_V(%1)<1> r[SRC_RGBA_OFFSET,%1*32+1]<8,4>:ub // U/B |
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| 55 | } |
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| 56 | #endif |
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| 57 |