| 0,0 → 1,60 |
|---|
| /* |
| * All Video Processing kernels |
| * Copyright © <2010>, Intel Corporation. |
| * |
| * This program is licensed under the terms and conditions of the |
| * Eclipse Public License (EPL), version 1.0. The full text of the EPL is at |
| * http://www.opensource.org/licenses/eclipse-1.0.php. |
| * |
| */ |
| |
| //---------- PL3_AVS_IEF_8x4.asm ---------- |
| |
| #include "AVS_IEF.inc" |
| |
| //------------------------------------------------------------------------------ |
| // 2 sampler reads for 8x8 Y surface |
| // 1 sampler read for 8x8 U surface |
| // 1 sampler read for 8x8 V surface |
| //------------------------------------------------------------------------------ |
| |
| // 1st 8x8 setup |
| #include "AVS_SetupFirstBlock.asm" |
| |
| // 1st 8x8 Y sampling |
| mov (1) rAVS_8x8_HDR.2:ud nAVS_GREEN_CHANNEL_ONLY:ud // Enable green channel |
| mov (16) mAVS_8x8_HDR.0:ud rAVS_8x8_HDR.0<8;8,1>:ud // Copy msg header and payload mirrors to MRFs |
| send (1) uwAVS_RESPONSE(0)<1> mAVS_8x8_HDR udDUMMY_NULL nSMPL_ENGINE nAVS_MSG_DSC_1CH+nSI_SRC_Y+nBI_CURRENT_SRC_Y |
| // Return Y in 4 GRFs |
| |
| // 8x8 U sampling ; Only 8x4 will be used |
| mov (1) rAVS_8x8_HDR.2:ud nAVS_RED_CHANNEL_ONLY:ud // Enable red channel |
| mul (1) rAVS_PAYLOAD.1:f fVIDEO_STEP_X:f 2.0:f // Calculate Step X for chroma |
| mov (16) mAVS_8x8_HDR_UV.0:ud rAVS_8x8_HDR.0<8;8,1>:ud // Copy msg header and payload mirrors to MRFs |
| send (1) uwAVS_RESPONSE(4)<1> mAVS_8x8_HDR_UV udDUMMY_NULL nSMPL_ENGINE nAVS_MSG_DSC_1CH+nSI_SRC_U+nBI_CURRENT_SRC_U |
| // Return U in 4 GRFs |
| |
| // 8x8 V sampling ; Only 8x4 will be used |
| mov (1) rAVS_8x8_HDR.2:ud nAVS_RED_CHANNEL_ONLY:ud // Dummy instruction just in order to avoid back-2-back send instructions! |
| mov (16) mAVS_8x8_HDR_UV.0:ud rAVS_8x8_HDR.0<8;8,1>:ud // Copy msg header and payload mirrors to MRFs |
| send (1) uwAVS_RESPONSE(8)<1> mAVS_8x8_HDR_UV udDUMMY_NULL nSMPL_ENGINE nAVS_MSG_DSC_1CH+nSI_SRC_V+nBI_CURRENT_SRC_V |
| // Return V in 4 GRFs |
| |
| // 2nd 8x8 setup |
| #include "AVS_SetupSecondBlock.asm" |
| |
| // 2nd 8x8 Y sampling |
| mov (1) rAVS_8x8_HDR.2:ud nAVS_GREEN_CHANNEL_ONLY:ud // Enable green channel |
| mov (1) rAVS_PAYLOAD.1:f fVIDEO_STEP_X:f // Restore Step X for luma |
| mov (16) mAVS_8x8_HDR.0:ud rAVS_8x8_HDR.0<8;8,1>:ud // Copy msg header and payload mirrors to MRFs |
| send (1) uwAVS_RESPONSE(12)<1> mAVS_8x8_HDR udDUMMY_NULL nSMPL_ENGINE nAVS_MSG_DSC_1CH+nSI_SRC_Y+nBI_CURRENT_SRC_Y |
| // Return Y in 4 GRFs |
| |
| //------------------------------------------------------------------------------ |
| // Unpacking sampler reads to 4:2:0 internal planar |
| //------------------------------------------------------------------------------ |
| #include "PL3_AVS_IEF_Unpack_8x4.asm" |
| |
| |
| |
| |