path: root/src/shaders/post_processing/gen7/NV12_DI_NV12.g4a

/*
 *  Copyright 2000-2011 Intel Corporation All Rights Reserved
 *
 * 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.
 */
//   57    // Total instruction count
//    1    // Total kernel count

.kernel NV12_DI_NV12
.code



// FileName:	DI.asm 
// Author:		Vivek Kumar
// Description:	Tasks for DI only case (16x4 block)




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


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


//r9-r17
// Define temp space for any usages


// Common Buffers


// temp space for rotation

.declare fROBUF		  Base=r9.0		ElementSize=4		SrcRegion=<8;8,1>		  DstRegion=<1>		Type=f

.declare udROBUF		Base=r9.0		ElementSize=4		SrcRegion=<8;8,1>		  DstRegion=<1>		Type=ud

.declare uwROBUF		Base=r9.0		ElementSize=2		SrcRegion=<16;16,1>		DstRegion=<1>		Type=uw

.declare ubROBUF		Base=r9.0		ElementSize=1		SrcRegion=<16;16,1>		DstRegion=<1>		Type=ub

.declare ub4ROBUF 	Base=r9.0		ElementSize=1		SrcRegion=<32;8,4>		DstRegion=<4>		Type=ub


// End of common.inc


// FileName:    DNDI.inc
// Author:      Vivek Kumar
// Description: Include file for DN, DI and DNDI
// Inputs:      DI_ENABLE, DN_ENABLE, DN_PLANAR, DN_PACKED




// End of common.inc


//Interface:
//Static Parameters:
//r1


//====================== Binding table (Explicit To DNDI)=========================================


.declare mudMSGHDR_DNDI     Base=r18      ElementSize=4    Type=ud
.declare mdMSGHDR_DNDI      Base=r18      ElementSize=4    Type=d
.declare mwMSGHDR_DNDI      Base=r18      ElementSize=2    Type=w


.declare mudMSGHDR_STMM     Base=r20      ElementSize=4    Type=ud


.declare mudMSGHDR_HIST     Base=r22      ElementSize=4    Type=ud


.declare mudMSGHDR_ENC_STATS Base=r24 ElementSize=4   Type=ud
.declare muwMSGHDR_ENC_STATS Base=r24 ElementSize=2   Type=uw
.declare mubMSGHDR_ENC_STATS Base=r24 ElementSize=1   Type=ub


.declare mudMSGHDR_DN_OUT   Base=r31.0      ElementSize=4  Type=ud
.declare mdMSGHDR_DN_OUT    Base=r31.0      ElementSize=4  Type=d
.declare mubMSGHDR_DN_OUT   Base=r31.0      ElementSize=1  Type=ub


.declare mudMSGHDR_UVCOPY   Base=r36      ElementSize=4  Type=ud
.declare mdMSGHDR_UVCOPY    Base=r36      ElementSize=4  Type=d
.declare mudMSGHDR_UCOPY    Base=r36       ElementSize=4  Type=ud
.declare mudMSGHDR_VCOPY    Base=r38       ElementSize=4  Type=ud


.declare mudMSGHDR_DI_OUT1  Base=r18.0      ElementSize=4     Type=ud
.declare mubMSGHDR_DI_OUT1  Base=r18.0      ElementSize=1     Type=ub


.declare mudMSGHDR_DI_OUT2  Base=r23.0      ElementSize=4     Type=ud
.declare mubMSGHDR_DI_OUT2  Base=r23.0      ElementSize=1     Type=ub

//r45
//Use r45 as message header, so no need to "mov" the data.

.declare mudDN_Y_OUT        Base=r45.0 ElementSize=4 SrcRegion=<8;8,1>   DstRegion=<1> Type=ud

// Message response (Denoised & DI-ed pixels & statistics); Use buffer 5
.declare udDNDI_RESP        Base=r46.0 ElementSize=4 SrcRegion=<8;8,1>   DstRegion=<1> Type=ud
.declare uwDNDI_RESP        Base=r46.0 ElementSize=2 SrcRegion=<16;16,1> DstRegion=<1> Type=uw
.declare ubDNDI_RESP        Base=r46.0 ElementSize=1 SrcRegion=<16;16,1> DstRegion=<1> Type=ub

// Message response (UV Copy); Use buffer 5
.declare udDNDI_UV_RESP     Base=r58.0 ElementSize=4 SrcRegion=<8;8,1>  DstRegion=<1> Type=ud
.declare ubDNDI_UV_RESP     Base=r58.0 ElementSize=1 SrcRegion=<16;16,1>    DstRegion=<1> Type=ub

//Temp GRFs: For 42X to 422 Conversion
.declare uwDNDI_UVCOPY_TEMP Base=r10.0 ElementSize=2 SrcRegion=<16;16,1>    DstRegion=<1> Type=uw       //8 GRFs
.declare ubDNDI_UVCOPY_TEMP Base=r10.0 ElementSize=1 SrcRegion=<16;16,1>    DstRegion=<1> Type=ub       //8 GRFs
//---------------------------------------------------------------------------
// Message descriptors
//---------------------------------------------------------------------------
// Extended message descriptor
    // Message descriptor   for sampler read
    //                    = 000 0010 (message len 2) 00000 (resp len - set later, 12 or 5 or 11)
    //                      1 (header present 1) 0 11 (SIMD32/64 mode)
    //                      1000 (message type) 0000 (DI state index)
    //                      00000000 (binding table index - set later)
    //                    = 0x040b8000


// Attention: The Message Length is The Number of GRFs with Data Only, without the Header


//---------------------------------------------------------------------------
// VDI Return Data format
//---------------------------------------------------------------------------
// Defines for DI enabled


// Defines for DI disabled



// FileName:	DNDI_Command.asm 
// Author:		Vivek Kumar
// Description:	Sends a message to the VDI to process one DN (16x8) or DNDI (16x4) block

// Prepare the DNDI send command
mov (8)		mudMSGHDR_DNDI(0)<1>			r0.0<8;8,1>:ud					// message header
mov (1)		mwMSGHDR_DNDI(1,4)<1>			r7.0<0;1,0>:w		{ NoDDClr }		// horizontal origin	// Do we need to add offset here? -vK
mov (1)		mwMSGHDR_DNDI(1,12)<1>			r7.1<0;1,0>:w		{ NoDDChk }		// vertical origin		// Can these 2 be combined? - vK

send (8)	udDNDI_RESP(0)<1>	r18	0x2	0x4AE8003:ud

// On Gen6, with VDI walker, use the XY pair returned rather than programmed above
// VDI_RETURNED_XY is ordered XY in case of walker enables and the same as programmed in case of walker disabled
mov (2) 	r7.0<1>:w     uwDNDI_RESP(9,14)<2;2,1>	// horizontal/Vertial origin in W.14 and W.15    



// FileName:	DI_STMM_Save.asm 
// Author:		Vivek Kumar
// Description:	Saves DI STMM Data to statistics surface in case of DI enabled (for 16x4 block)

// Write STMM to memory
mov (8)     mudMSGHDR_STMM(0)<1>	r0.0<8;8,1>:ud               							// message header   
mov (8)     mudMSGHDR_STMM(1)<1>   	udDNDI_RESP(8,0)         					// Move STMM to MRF 

shr (1)     mudMSGHDR_STMM(0,0)<1>	r7.0<0;1,0>:w            1:w     { NoDDClr } 		// X origin / 2
mov (1)     mudMSGHDR_STMM(0,1)<1>	r7.1<0;1,0>:w                    { NoDDClr, NoDDChk }  	// Y origin
mov (1)     mudMSGHDR_STMM(0,2)<1>	0x30007:ud           { NoDDChk } 		// block width and height (8x4)

send (8)	null<1>:d	r20	0x5		0x40A8021:ud      



// FileName:	DNDI_Enc_Stats_Save.asm
// Author:		Vivek Kumar
// Description:	Saves Encoder Statistics data to statistics surface in case of DI enabled (for 16x4 block)

// Write encoder statistics to memory
//Currently enable this only on Gen6 validation
mov (8)		mudMSGHDR_ENC_STATS(1)<1>	0x0:ud						// Init payload MRF
mov (8)		mudMSGHDR_ENC_STATS(0)<1>	r0.0<8;8,1>:ud				// message header

shr (1)		mudMSGHDR_ENC_STATS(0,0)<1>		r7.0<0;1,0>:w            	1:w  	{ NoDDClr }			//enable the flag after testing on si           			{ NoDDClr }	// X origin / 2
mul (1)		acc0.1<1>:ud					r7.1<0;1,0>:w				3:w																							// Y origin * 3
shr (1)		mudMSGHDR_ENC_STATS(0,1)<1>		acc0.1<0;1,0>:ud			2:w		{ NoDDClr, NoDDChk }		//enable the flag after testing on si			   { NoDDClr, NoDDChk } // Y origin * 3/4
mov (1)		mudMSGHDR_ENC_STATS(0,2)<1>		0x20007:ud				{ NoDDChk }			//enable the flag after testing on si						{ NoDDChk } // block width and height (8x3)
add (2)		mudMSGHDR_ENC_STATS(0,0)<1>		mudMSGHDR_ENC_STATS(0,0)<2;2,1>       	r1.12<2;2,1>:uw					// Add pitch to X,Y origin


	//Data block for Encoder Statistics
	//----------------------------------------------------
	//|  0  |   1  |   2   |  3  |  4  |  5  |  6  |  7  | Bytes
	//----------------------------------------------------
	//| BNE | MCNT | FCNT | TCNT |  X  |  X  |  X  |  X  |
	//----------------------------------------------------
	//|   DcTpT    |     SVCM    |   DcBpT   |   DcTpB   |
	//----------------------------------------------------
	//|   SHCM     |     STAD    |   DcTcB   |   DcBpB   |
	//----------------------------------------------------
	mov (1)		mudMSGHDR_ENC_STATS(1,0)<1>		udDNDI_RESP(9,1)<0;1,0>    		{ NoDDClr }			// Move encoder statistics to MRF
	mov (2)		mudMSGHDR_ENC_STATS(1,3)<2>		udDNDI_RESP(9,3)<2;2,1>    		{ NoDDClr, NoDDChk }		// Move encoder statistics to MRF
	mov (2)		mudMSGHDR_ENC_STATS(1,2)<2>		udDNDI_RESP(9,5)<2;2,1>    		{ NoDDChk }			// Move encoder statistics to MRF


send (8)   null<1>:d    r24    0x5    0x40A8021:ud



// FileName:    DI_Save_NV12_16x4.asm
// Author:      Vivek Kumar
// Description: Save two 16x4 blocks of DI output in Packed format


// add (4) a0.4<1>:uw   r2.28<4;4,1>:ub   608:w               // Initial Y,U,V offset in YUV422 block; it starts at m20

mov (8) r28.0<1>:ud     r0.0<8;8,1>:ud
mov (1) r28.0<1>:d      r7.0<0;1,0>:w            { NoDDClr }          // H. block origin need to be doubled
mov (1) r28.1<1>:d      r7.1<0;1,0>:w                 { NoDDClr, NoDDChk }       // Block origin
mov (1) r28.2<1>:ud     0x3000F:ud          { NoDDChk }          // Block width and height (32x8)

//prepare the message headers
mov (8) r18.0<1>:ud       r28<8;8,1>:ud
mov (8) r23.0<1>:ud       r28<8;8,1>:ud

//Bottom field Y
mov (8)   mudMSGHDR_DI_OUT1(1)<1>		udDNDI_RESP(0,0)
mov (8)   mudMSGHDR_DI_OUT1(2)<1>		udDNDI_RESP(0,8)
// Top field Y
mov (8)   mudMSGHDR_DI_OUT2(1)<1>	udDNDI_RESP(4,0)
mov (8)   mudMSGHDR_DI_OUT2(2)<1>	udDNDI_RESP(4,8)

//Change origin to U/V block
asr (1) r28.1<1>:d		r28.1<0;1,0>:d    1:w			{ NoDDClr }    		// U/V block origin should be half of Y's
mov (1) r28.2<1>:ud     0x1000F:ud		{ NoDDChk }    		// Block width and height (16x2)

// Bottom field U/V
mov (16)   r22.0<2>:ub       ubDNDI_RESP(2, 1)<32;8,2>	{ NoDDClr }
mov (16)   r22.1<2>:ub       ubDNDI_RESP(2, 0)<32;8,2>	{ NoDDChk }

// Top field U/V
mov (16)   r27.0<2>:ub       ubDNDI_RESP(6, 1)<32;8,2>	{ NoDDClr }
mov (16)   r27.1<2>:ub       ubDNDI_RESP(6, 0)<32;8,2>	{ NoDDChk }

//copy message desrcptor to the message header
mov (8) r21<1>:ud			r28<8;8,1>:ud
mov (8) r26<1>:ud			r28<8;8,1>:ud

//Send out Y component on previous frame to surface
send (8)    null<1>:d    r18	0x5    0x60A801B:ud
//Send out Y component on current frame to surface
send (8)    null<1>:d    r23 	0x5    0x60A801E:ud
//Send out U/V component on previous frame to surface
send (8)    null<1>:d    r21	0x5    0x40A801C:ud
//Send out U/V component on current frame to surface
send (8)    null<1>:d    r26	0x5    0x40A801F:ud


//End of Thread message

mov (8) r127<1>:ud r0.0<8;8,1>:ud 
 send (1) null<1>:d r127 0x27 0x02000010


.end_code 
.end_kernel