Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 5361 | serge | 1 | /* |
| 2 | * All Video Processing kernels |
||
| 3 | * Copyright © <2010>, Intel Corporation. |
||
| 4 | * |
||
| 5 | * This program is licensed under the terms and conditions of the |
||
| 6 | * Eclipse Public License (EPL), version 1.0. The full text of the EPL is at |
||
| 7 | * http://www.opensource.org/licenses/eclipse-1.0.php. |
||
| 8 | * |
||
| 9 | */ |
||
| 10 | |||
| 11 | //---------- PL2_AVS_IEF_8x8.asm ---------- |
||
| 12 | |||
| 13 | #include "AVS_IEF.inc" |
||
| 14 | |||
| 15 | //------------------------------------------------------------------------------ |
||
| 16 | // 2 sampler reads for 8x8 Y each |
||
| 17 | // 1 sampler read for 8x8 U and 8x8 V (NV11\NV12 input surface) |
||
| 18 | //------------------------------------------------------------------------------ |
||
| 19 | |||
| 20 | // 1st 8x8 setup |
||
| 21 | #include "AVS_SetupFirstBlock.asm" |
||
| 22 | |||
| 23 | // Enable green channel only |
||
| 24 | mov (1) rAVS_8x8_HDR.2:ud nAVS_GREEN_CHANNEL_ONLY:ud |
||
| 25 | |||
| 26 | mov (16) mAVS_8x8_HDR.0:ud rAVS_8x8_HDR.0<8;8,1>:ud // Copy msg header and payload mirrors to MRFs |
||
| 27 | send (1) uwAVS_RESPONSE(0)<1> mAVS_8x8_HDR udDUMMY_NULL nSMPL_ENGINE nAVS_MSG_DSC_1CH+nSI_SRC_Y+nBI_CURRENT_SRC_Y |
||
| 28 | // Return Y in 4 GRFs |
||
| 29 | |||
| 30 | // 8x8 U and V sampling |
||
| 31 | // Enable red and blue channels |
||
| 32 | mov (1) rAVS_8x8_HDR.2:ud nAVS_RED_BLUE_CHANNELS:ud |
||
| 33 | |||
| 34 | // Calculate Chroma Step Size: |
||
| 35 | // for H direction: 16 Luma samples are covered by 8 Chroma samples. Thus Chroma_Step_X = 2 * Luma_Step_X |
||
| 36 | // for V direction: 8 Luma samples are covered by 8 Chroma samples. Thus Chroma_Step_Y = Luma_Step_Y |
||
| 37 | mul (1) rAVS_PAYLOAD.1:f fVIDEO_STEP_X:f 2.0:f // Step X for chroma |
||
| 38 | |||
| 39 | mov (16) mAVS_8x8_HDR_UV.0:ud rAVS_8x8_HDR.0<8;8,1>:ud // Copy msg header and payload mirrors to MRFs |
||
| 40 | send (1) uwAVS_RESPONSE(4)<1> mAVS_8x8_HDR_UV udDUMMY_NULL nSMPL_ENGINE nAVS_MSG_DSC_2CH+nSI_SRC_UV+nBI_CURRENT_SRC_UV |
||
| 41 | // Return U and V in 8 GRFs |
||
| 42 | |||
| 43 | // 2nd 8x8 setup |
||
| 44 | #include "AVS_SetupSecondBlock.asm" |
||
| 45 | |||
| 46 | // 2nd 8x8 Y sampling |
||
| 47 | // Enable green channel only |
||
| 48 | mov (1) rAVS_8x8_HDR.2:ud nAVS_GREEN_CHANNEL_ONLY:ud |
||
| 49 | |||
| 50 | mov (16) mAVS_8x8_HDR.0:ud rAVS_8x8_HDR.0<8;8,1>:ud // Copy msg header and payload mirrors to MRFs |
||
| 51 | send (1) uwAVS_RESPONSE_2(0)<1> mAVS_8x8_HDR udDUMMY_NULL nSMPL_ENGINE nAVS_MSG_DSC_1CH+nSI_SRC_Y+nBI_CURRENT_SRC_Y |
||
| 52 | |||
| 53 | //------------------------------------------------------------------------------ |
||
| 54 | // Unpacking sampler reads to 4:2:2 internal planar |
||
| 55 | //------------------------------------------------------------------------------ |
||
| 56 | #include "PL2_AVS_IEF_Unpack_8x8.asm" |
||
| 57 |