/*
 *  Copyright 2000-2011 Intel Corporation All Rights Reserved
 *
 *  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.
 */
/*
 *  Copyright 2000-2011 Intel Corporation All Rights Reserved
 *
 *  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.
 *  Authors: Zhao Yakui <yakui.zhao@intel.com>
 */

//  326    // Total instruction count
//    1    // Total kernel count



// Module name: common.inc
//
// Common header file for all Video-Processing kernels
//

.default_execution_size (16)
.default_register_type  :ub

.reg_count_total        128
.reg_count_payload      7

//========== Common constants ==========


//========== Macros ==========


//Fast Jump, For more details see "Set_Layer_N.asm"


//========== Defines ====================

//========== Static Parameters (Common To All) ==========
//r1


//r2

                                    //  e.g.            byte0   byte1  byte2
                                    // YUYV               0       1      3
                                    // YVYU               0       3      1

//Color Pipe (IECP) parameters


//ByteCopy


//r4

                                    //  e.g.              byte0           byte1           byte2
                                    // YUYV                 0               1               3
                                    // YVYU                 0               3               1


//========== Inline parameters (Common To All) ===========


//============== Binding Index Table===========
//Common between DNDI and DNUV


//================= Common Message Descriptor =====
// Message descriptor for thread spawning
// Message Descriptors
//                = 000 0001 (min message len 1 ) 0,0000 (resp len 0   -add later)
//                  0000,0000,0000
//                  0001(Spawn a root thread),0001 (Root thread spawn thread)
//                = 0x02000011
// Thread Spawner Message Descriptor


// Message descriptor for atomic operation add
// Message Descriptors
//                = 000 0110 (min message len 6 ) 0,0000 (resp len 0   -add later)
//                  1(header present)001,10(typed atomic operation)0(return enabled)0(slot group, low 8 bits),0111 (AOP_Add)
//                  0000,0000 (Binding table index, added later)
//                = 0x02000011

// Atomic Operation Add Message Descriptor


// Message descriptor for dataport media write
        // Message Descriptors
                //                = 000 0001 (min message len 1 - add later) 00000 (resp len 0)
                //                  1 (header present 1) 0 1010 (media block write) 000000
                //                  00000000 (binding table index - set later)
                //                = 0x020A8000


// Message Length defines


// Response Length defines


// Block Width and Height Size defines


// Extended Message Descriptors


// Common message descriptors:


//===================== Math Function Control ===================================


//============ Message Registers ===============
                             // buf4 starts from r28


//#define mMSGHDR_EOT  r43    // Dummy Message Register for EOT


.declare    mubMSGPAYLOAD  Base=r30 ElementSize=1 SrcRegion=<16;16,1> Type=ub
.declare    muwMSGPAYLOAD  Base=r30 ElementSize=2 SrcRegion=<16;16,1> Type=uw
.declare    mudMSGPAYLOAD  Base=r30 ElementSize=4 SrcRegion=<8;8,1> Type=ud
.declare    mfMSGPAYLOAD   Base=r30 ElementSize=4 SrcRegion=<8;8,1> Type=f

//=================== End of thread instruction ===========================


//=====================Pointers Used=====================================


//=======================================================================


//r11-r17
// Define temp space for any usages


// Common Buffers


// temp space for rotation

.declare fROBUF		  Base=r11.0		ElementSize=4		SrcRegion=<8;8,1>		  DstRegion=<1>		Type=f

.declare udROBUF		Base=r11.0		ElementSize=4		SrcRegion=<8;8,1>		  DstRegion=<1>		Type=ud

.declare uwROBUF		Base=r11.0		ElementSize=2		SrcRegion=<16;16,1>		DstRegion=<1>		Type=uw

.declare ubROBUF		Base=r11.0		ElementSize=1		SrcRegion=<16;16,1>		DstRegion=<1>		Type=ub

.declare ub4ROBUF 	Base=r11.0		ElementSize=1		SrcRegion=<32;8,4>		DstRegion=<4>		Type=ub


// End of common.inc


// FileName:		VP_Setup.asm
// Author:			Vivek Kumar
// Description:		Sets up all parameters for the Video Processing Kernel




// Description: Includes all definitions explicit to Fast Composite.




// End of common.inc


//========== GRF partition ==========
     // r0 header            :   r0          (1 GRF)
     // Static parameters    :   r1 - r6     (6 GRFS)
     // Inline parameters    :   r7 - r8     (2 GRFs)
     // MSGSRC               :   r27         (1 GRF)
//===================================

//Interface:
//========== Static Parameters (Explicit To Fast Composite) ==========
//r1
//CSC Set 0


.declare udCSC_CURBE    Base=r1.0      ElementSize=4       Type=ud

//Constant alpha


//r2


// Gen7 AVS WA


// WiDi Definitions


//Colorfill


                                      // 0: 0-degree, 1: 90, 2: 180, 3: 270-degree, clockwise.	    

.declare ubCOLOR_PIXEL_VAL      Base=r2.20      ElementSize=1       SrcRegion=<0;1,0>       DstRegion=<1>       Type=ub

//r3
//Normalised Ratio of Horizontal step size with main video for all layers


    //Normalised Ratio of Horizontal step size with main video for all layers becomes
    //Normalised Horizontal step size for all layers in VP_Setup.asm


//r4
//Normalised Vertical step size for all layers


//r5
//Normalised Vertical Frame Origin for all layers


//r6
//Normalised Horizontal Frame Origin for all layers


//========== Inline Parameters (Explicit To Fast Composite) ==========


//Main video Step X


//====================== Binding table (Explicit To Fast Composite)=========================================


//Used by Interlaced Scaling Kernels


//========== Sampler State Table Index (Explicit To Fast Composite)==========
//Sampler Index for AVS/IEF messages


//Sampler Index for SIMD16 sampler messages


//=============================================================================

.declare fBUFFER_0      Base=r64.0       ElementSize=4       SrcRegion=<8;8,1>       DstRegion=<1>       Type=f
.declare fBUFFER_1      Base=r80.0       ElementSize=4       SrcRegion=<8;8,1>       DstRegion=<1>       Type=f
.declare fBUFFER_2      Base=r96.0       ElementSize=4       SrcRegion=<8;8,1>       DstRegion=<1>       Type=f
.declare fBUFFER_3      Base=r112.0       ElementSize=4       SrcRegion=<8;8,1>       DstRegion=<1>       Type=f
.declare fBUFFER_4      Base=r28.0       ElementSize=4       SrcRegion=<8;8,1>       DstRegion=<1>       Type=f
.declare fBUFFER_5      Base=r46.0       ElementSize=4       SrcRegion=<8;8,1>       DstRegion=<1>       Type=f

.declare udBUFFER_0     Base=r64.0       ElementSize=4       SrcRegion=<8;8,1>       DstRegion=<1>       Type=ud
.declare udBUFFER_1     Base=r80.0       ElementSize=4       SrcRegion=<8;8,1>       DstRegion=<1>       Type=ud
.declare udBUFFER_2     Base=r96.0       ElementSize=4       SrcRegion=<8;8,1>       DstRegion=<1>       Type=ud
.declare udBUFFER_3     Base=r112.0       ElementSize=4       SrcRegion=<8;8,1>       DstRegion=<1>       Type=ud
.declare udBUFFER_4     Base=r28.0       ElementSize=4       SrcRegion=<8;8,1>       DstRegion=<1>       Type=ud
.declare udBUFFER_5     Base=r46.0       ElementSize=4       SrcRegion=<8;8,1>       DstRegion=<1>       Type=ud

.declare uwBUFFER_0     Base=r64.0       ElementSize=2       SrcRegion=<16;16,1>     DstRegion=<1>       Type=uw
.declare uwBUFFER_1     Base=r80.0       ElementSize=2       SrcRegion=<16;16,1>     DstRegion=<1>       Type=uw
.declare uwBUFFER_2     Base=r96.0       ElementSize=2       SrcRegion=<16;16,1>     DstRegion=<1>       Type=uw
.declare uwBUFFER_3     Base=r112.0       ElementSize=2       SrcRegion=<16;16,1>     DstRegion=<1>       Type=uw
.declare uwBUFFER_4     Base=r28.0       ElementSize=2       SrcRegion=<16;16,1>     DstRegion=<1>       Type=uw
.declare uwBUFFER_5     Base=r46.0       ElementSize=2       SrcRegion=<16;16,1>     DstRegion=<1>       Type=uw

.declare ubBUFFER_0     Base=r64.0       ElementSize=1       SrcRegion=<16;16,1>     DstRegion=<1>       Type=ub
.declare ubBUFFER_1     Base=r80.0       ElementSize=1       SrcRegion=<16;16,1>     DstRegion=<1>       Type=ub
.declare ubBUFFER_2     Base=r96.0       ElementSize=1       SrcRegion=<16;16,1>     DstRegion=<1>       Type=ub
.declare ubBUFFER_3     Base=r112.0       ElementSize=1       SrcRegion=<16;16,1>     DstRegion=<1>       Type=ub
.declare ubBUFFER_4     Base=r28.0       ElementSize=1       SrcRegion=<16;16,1>     DstRegion=<1>       Type=ub
.declare ubBUFFER_5     Base=r46.0       ElementSize=1       SrcRegion=<16;16,1>     DstRegion=<1>       Type=ub

.declare ub4BUFFER_0    Base=r64.0       ElementSize=1       SrcRegion=<32;8,4>      DstRegion=<4>       Type=ub
.declare ub4BUFFER_1    Base=r80.0       ElementSize=1       SrcRegion=<32;8,4>      DstRegion=<4>       Type=ub
.declare ub4BUFFER_2    Base=r96.0       ElementSize=1       SrcRegion=<32;8,4>      DstRegion=<4>       Type=ub
.declare ub4BUFFER_3    Base=r112.0       ElementSize=1       SrcRegion=<32;8,4>      DstRegion=<4>       Type=ub
.declare ub4BUFFER_4    Base=r28.0       ElementSize=1       SrcRegion=<32;8,4>      DstRegion=<4>       Type=ub
.declare ub4BUFFER_5    Base=r46.0       ElementSize=1       SrcRegion=<32;8,4>      DstRegion=<4>       Type=ub

//Pointer to mask reg


//r18


//Always keep Cannel Pointers and Offsets in same GRF, so that we can use
// NODDCLR, NODDCHK flags. -rT


.declare udCSC_COEFF_0  Base=r18.0    ElementSize=4 Type=ud       // 1 GRF

//r19


.declare udCSC_COEFF_1  Base=r19.0    ElementSize=4 Type=ud       // 1 GRF


//r20

.declare uwALPHA_MASK_REG_TEMP  Base=r20.0    ElementSize=2 SrcRegion=<16;16,1> Type=uw        // 1 GRF

//r21

.declare uwALPHA_MASK_REG       Base=r21.0         ElementSize=2 SrcRegion=<16;16,1> Type=uw        // 1 GRF

//r22


//Always keep Cannel Pointers and Offsets in same GRF, so that we can use
// NODDCLR, NODDCHK flags. -rT


//Keep fORIGIN_X_NLAS, fY_OFFSET_2ND_BLOCK, fSTEP_X_NLAS, pMSGDSC_COPY, ubCONST_ALPHA_COPY as
//sub registers of same GRF to enable using NODDCLR NODDCHK. -rT

//r23


//Lumakey


//r24


//r25


//r26


//defines to generate LABELS during compile time.


//Setup pointer to the inline parameter

// Copy MSG HDR
	mov (8)		r27.0<1>:ud  	r0.0<8;8,1>:ud  // Initialize message payload header with R0

// Only one layer is enough
 
//temp; remove it once unread msg warnings are resolved -vK
mov (8) r25<1>:ud 	r0.0<8;8,1>:ud
mov (8) r26<1>:ud 	r0.0<8;8,1>:ud

// Calculate StepX for all layers and overwrite it on the ratio
	mul	(8)		r3.0<1>:f   r3.0<8;8,1>:f 	r9.4<0;1,0>:f				//StepX_ratio = StepX / VideoStepX

	//Normalised Ratio of Horizontal step size with main video for all layers now becomes
	//Normalised Horizontal step size for all layers

// Calculate block origin for all layers and overwrite it on the frame origin
	mov (2)	r10.5<1>:f						r9.0<2;2,1>:w		//Convert origin from word to float

	cmp.e.f0.0 	(1)	null<1>:d				r2.26<0;1,0>:ub 		1:uw


    shr (1) r17.0<1>:uw    r2.2<0;1,0>:uw    0:uw
    and (1) r17.0<1>:uw    r17.0<0;1,0>:uw           3:uw
    cmp.e.f0.1 (1) null<1>:w    r17.0<0;1,0>:uw    1:uw
    (f0.1) jmpi (1) ROTATE_90_L0
    cmp.e.f0.1 (1) null<1>:w    r17.0<0;1,0>:uw    2:uw
    (f0.1) jmpi (1) ROTATE_180_L0
    cmp.e.f0.1 (1) null<1>:w    r17.0<0;1,0>:uw    3:uw
    (f0.1) jmpi (1) ROTATE_270_L0

  // rotate 0 degree
ROTATE_0_L0:  
    (-f0.0)mov	(1)	acc0.0<1>:f					   r6.0<0;1,0>:f
    (-f0.0)mac	(1)	r6.0<1>:f    r3.0<0;1,0>:f		r10.5<0;1,0>:f

    mov	(1)	acc0.0<1>:f            r5.0<0;1,0>:f
    mac	(1)	r5.0<1>:f    r4.0<0;1,0>:f		    r10.6<0;1,0>:f
    jmpi (1) END_SRC_BLOCK_ORIG_COMP_L0

  // rotate 90 degree
ROTATE_90_L0:  
    (-f0.0)mov	(1)	acc0.0<1>:f            r6.0<0;1,0>:f
    (-f0.0)mac	(1)	r6.0<1>:f    r3.0<0;1,0>:f		r10.6<0;1,0>:f

    mov (1) r16.0<1>:f    r2.0<0;1,0>:uw
    add (1) r17.0<1>:f    -r10.5<0;1,0>:f               r16.0<0;1,0>:f
    add (1) r17.0<1>:f    r17.0<0;1,0>:f        -16.0:f  	

    mov	(1)	acc0.0<1>:f							r5.0<0;1,0>:f
    mac	(1)	r5.0<1>:f     r4.0<0;1,0>:f		r17.0<0;1,0>:f
    jmpi (1) END_SRC_BLOCK_ORIG_COMP_L0

  // rotate 180 degree
ROTATE_180_L0:  
    (-f0.0)mov (1) r16.0<1>:f    r2.0<0;1,0>:uw
    (-f0.0)add (1) r17.0<1>:f    -r10.5<0;1,0>:f              r16.0<0;1,0>:f
    (-f0.0)add (1) r17.0<1>:f    r17.0<0;1,0>:f       -16.0:f  	
    (-f0.0)mov (1) acc0.0<1>:f             r6.0<0;1,0>:f
    (-f0.0)mac (1) r6.0<1>:f     r3.0<0;1,0>:f          r17.0<0;1,0>:f

    mov (1) r16.0<1>:f    r2.1<0;1,0>:uw	
    add (1) r17.0<1>:f    -r10.6<0;1,0>:f                     r16.0<0;1,0>:f
    add (1) r17.0<1>:f    r17.0<0;1,0>:f              -16.0:f  	
    mov	(1)	acc0.0<1>:f             r5.0<0;1,0>:f
    mac	(1)	r5.0<1>:f     r4.0<0;1,0>:f                 r17.0<0;1,0>:f
    jmpi (1) END_SRC_BLOCK_ORIG_COMP_L0  

  // rotate 270 degree
ROTATE_270_L0:    
    (-f0.0)mov (1) r16.0<1>:f    r2.1<0;1,0>:uw	
    (-f0.0)add (1) r17.0<1>:f    -r10.6<0;1,0>:f              r16.0<0;1,0>:f
    (-f0.0)add (1) r17.0<1>:f    r17.0<0;1,0>:f       -16.0:f  	
    (-f0.0)mov (1) acc0.0<1>:f             r6.0<0;1,0>:f
    (-f0.0)mac (1) r6.0<1>:f     r3.0<0;1,0>:f          r17.0<0;1,0>:f

    mov	(1)	acc0.0<1>:f                    r5.0<0;1,0>:f
    mac	(1)	r5.0<1>:f            r4.0<0;1,0>:f          r10.5<0;1,0>:f

END_SRC_BLOCK_ORIG_COMP_L0:		
    nop	
