/*
* Save I_PCM Y samples to Y picture buffer
* Copyright © <2010>, Intel Corporation.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* This file was originally licensed under the following license
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
// Module name: save_I_PCM.asm
//
// First save I_PCM Y samples to Y picture buffer
//
mov (1) MSGSRC.2:ud 0x000F000F:ud {NoDDClr} // Block width and height (16x16)
shl (2) MSGSRC.0:ud ORIX<2;2,1>:ub 4:w {NoDDChk} // Convert MB origin in pixel unit
add (1) MSGDSC REG_MBAFF_FIELD<0;1,0>:uw MSG_LEN(8)+DWBWMSGDSC_WC+DESTY:ud // Set message descriptor
$for(0; <8; 2) {
mov (32) MSGPAYLOAD(%1)<1> I_PCM_Y(%1)REGION(16,1) {Compr,NoDDClr}
mov (32) MSGPAYLOAD(%1,16)<1> I_PCM_Y(%1,16)REGION(16,1) {Compr,NoDDChk}
}
send (8) REG_WRITE_COMMIT_Y<1>:ud MSGHDR MSGSRC<8;8,1>:ud DAPWRITE MSGDSC
// Then save I_PCM U/V samples to U/V picture buffer
//
mov (1) MSGHDR.2:ud 0x0007000F:ud {NoDDClr} // Block width and height (16x8)
asr (1) MSGHDR.1:ud MSGSRC.1<0;1,0>:ud 1:w {NoDDChk} // Y offset should be halved
add (1) MSGDSC MSGDSC 0x0-MSG_LEN(4)+0x1:d // Set message descriptor for U/V
#if 0
and.z.f0.0 (1) NULLREG REG_CHROMA_FORMAT_IDC CHROMA_FORMAT_IDC:ud
(f0.0) jmpi (1) MONOCHROME_I_PCM
#endif
#ifndef MONO
// Non-monochrome picture
//
$for(0,0; <4; 2,1) {
mov (16) MSGPAYLOAD(%1)<2> I_PCM_UV(%2)REGION(16,1) // U data
mov (16) MSGPAYLOAD(%1,1)<2> I_PCM_UV(%2+2)REGION(16,1) // V data
mov (16) MSGPAYLOAD(%1+1)<2> I_PCM_UV(%2,16)REGION(16,1) // U data
mov (16) MSGPAYLOAD(%1+1,1)<2> I_PCM_UV(%2+2,16)REGION(16,1) // V data
}
#else // defined(MONO)
MONOCHROME_I_PCM:
$for(0; <4; 2) {
mov (16) MSGPAYLOADD(%1)<1> 0x80808080:ud {Compr}
}
#endif // !defined(MONO)
send (8) REG_WRITE_COMMIT_UV<1>:ud MSGHDR null:ud DAPWRITE MSGDSC
// End of save_I_PCM