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/*
* 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.
*
*/
// File name: Scaling.inc
#ifndef _SCALING_INC_
#define _SCALING_INC_
// Local variables----------------------------------------------------------------------------------
#define MSGHDR_SCALE m1 // Message Payload Header (Uses m2, m3, m4, m5 implicitly)
//--------------------------------------------------------------------------------------------------
//r10.0 thru r33.0; Primary surface read from sampler (16x8)
#define DEST_Y uwTOP_Y
#define DEST_U uwTOP_U
#define DEST_V uwTOP_V
//r10.0 thru r41.0
.declare DEST_B Base=REG(r,10) ElementSize=2 SrcRegion=REGION(8,1) DstRegion=<1> Type=uw
.declare DEST_G Base=REG(r,18) ElementSize=2 SrcRegion=REGION(8,1) DstRegion=<1> Type=uw
.declare DEST_R Base=REG(r,26) ElementSize=2 SrcRegion=REGION(8,1) DstRegion=<1> Type=uw
.declare DEST_A Base=REG(r,34) ElementSize=2 SrcRegion=REGION(8,1) DstRegion=<1> Type=uw
//r56.0 thru r79.0
.declare SCALE_RESPONSE_YF Base=REG(r,nBOT_Y) ElementSize=4 SrcRegion=REGION(8,1) Type=f
.declare SCALE_RESPONSE_UF Base=REG(r,nBOT_U) ElementSize=4 SrcRegion=REGION(8,1) Type=f
.declare SCALE_RESPONSE_VF Base=REG(r,nBOT_V) ElementSize=4 SrcRegion=REGION(8,1) Type=f
.declare SCALE_RESPONSE_YW Base=REG(r,nBOT_Y) ElementSize=2 SrcRegion=REGION(16,1) Type=uw
.declare SCALE_RESPONSE_UW Base=REG(r,nBOT_U) ElementSize=2 SrcRegion=REGION(16,1) Type=uw
.declare SCALE_RESPONSE_VW Base=REG(r,nBOT_V) ElementSize=2 SrcRegion=REGION(16,1) Type=uw
.declare SCALE_RESPONSE_YD Base=REG(r,nBOT_Y) ElementSize=4 SrcRegion=REGION(8,1) Type=ud
.declare SCALE_RESPONSE_UD Base=REG(r,nBOT_U) ElementSize=4 SrcRegion=REGION(8,1) Type=ud
.declare SCALE_RESPONSE_VD Base=REG(r,nBOT_V) ElementSize=4 SrcRegion=REGION(8,1) Type=ud
.declare SCALE_RESPONSE_YB Base=REG(r,nBOT_Y) ElementSize=1 SrcRegion=REGION(8,4) Type=ub
.declare SCALE_RESPONSE_UB Base=REG(r,nBOT_U) ElementSize=1 SrcRegion=REGION(8,4) Type=ub
.declare SCALE_RESPONSE_VB Base=REG(r,nBOT_V) ElementSize=1 SrcRegion=REGION(8,4) Type=ub
.declare SAMPLER_RAMP Base=REG(r,42) ElementSize=4 SrcRegion=<8;8,1> Type=f // 2 GRFs, 16 elements
//#define SCALE_STEP_X REG2(r,43,0)
//#define SCALE_COORD_X REG2(r,43,3)
#define SCALE_LINE_P255 REG2(r,43,4) // = 255.0 Used in 'line' inst to multiply 255, add 0.5, and round to int.
#define SCALE_LINE_P0_5 REG2(r,43,7) // = 0.5
//r44.0 thru r45.0
#define SCALE_COORD_Y REG(r,44) //2GRF
// Send Message [DevILK] Message Descriptor
// MBZ MsgL=5 MsgR=8 H MBZ SIMD MsgType SmplrIndx BindTab
// 000 0 101 0 1000 1 0 10 0000 0000 00000000
// 0 A 8 A 0 0 0 0
// MsgL=1+2*2(u,v)=5 MsgR=8
#define SMPLR_MSG_DSC 0x0A8A0000 // ILK Sampler Message Descriptor
// Re-define new number of lines
#undef nY_NUM_OF_ROWS
#undef nUV_NUM_OF_ROWS
#define nY_NUM_OF_ROWS 8
#define nUV_NUM_OF_ROWS 8
#endif //_SCALING_INC_
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