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Viewing changes to i965_drv_video/shaders/post_processing/Core_Kernels/PA_Scaling.asm

  • Committer: Bazaar Package Importer
  • Author(s): Reinhard Tartler, Artur Rona, Reinhard Tartler
  • Date: 2011-02-13 19:01:16 UTC
  • mfrom: (3.2.2 sid)
  • Revision ID: james.westby@ubuntu.com-20110213190116-wy9fqh71nmomiacl
Tags: 1.0.8-3
http://bugs.debian.org/613102
[ Artur Rona ]
* Update library dependencies to fix FTBFS properly.

[ Reinhard Tartler ]
* Disable i965 driver on hurd-i386, Closes: #613102

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i965_drv_video/shaders/post_processing/Core_Kernels/PA_Scaling.asm
 
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/*
 
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 * All Video Processing kernels 
 
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 * Copyright © <2010>, Intel Corporation.
 
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 *
 
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 * This program is licensed under the terms and conditions of the
 
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 * Eclipse Public License (EPL), version 1.0.  The full text of the EPL is at
 
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 * http://www.opensource.org/licenses/eclipse-1.0.php.
 
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 *
 
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 */
 
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//---------- PA_Scaling.asm ----------
 
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#include "Scaling.inc"
 
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        // Build 16 elements ramp in float32 and normalized it
 
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//      mov (8)         SAMPLER_RAMP(0)<1>              0x76543210:v
 
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//      add     (8)             SAMPLER_RAMP(1)<1>              SAMPLER_RAMP(0) 8.0:f
 
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mov (4) SAMPLER_RAMP(0)<1> 0x48403000:vf                //3, 2, 1, 0 in float vector
 
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mov (4) SAMPLER_RAMP(0,4)<1> 0x5C585450:vf      //7, 6, 5, 4 in float vector
 
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add     (8)             SAMPLER_RAMP(1)<1>              SAMPLER_RAMP(0) 8.0:f
 
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//Module: PrepareScaleCoord.asm
 
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        // Setup for sampler msg hdr
 
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    mov (2)             rMSGSRC.0<1>:ud                 0:ud                                            { NoDDClr }     // Unused fields
 
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    mov (1)             rMSGSRC.2<1>:ud                 0:ud                                            { NoDDChk }     // Write and offset
 
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        // Calculate 16 v based on the step Y and vertical origin
 
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        mov     (16)    mfMSGPAYLOAD(2)<1>              fSRC_VID_V_ORI<0;1,0>:f
 
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        mov     (16)    SCALE_COORD_Y<1>:f              fSRC_VID_V_ORI<0;1,0>:f
 
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        // Calculate 16 u based on the step X and hori origin
 
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//      line (16)       mfMSGPAYLOAD(0)<1>              SCALE_STEP_X<0;1,0>:f           SAMPLER_RAMP(0)         // Assign to mrf directly
 
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        mov     (16)    acc0:f                                                  fSRC_VID_H_ORI<0;1,0>:f                                                                                 { Compr }
 
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        mac     (16)    mfMSGPAYLOAD(0)<1>      fVIDEO_STEP_X<0;1,0>:f  SAMPLER_RAMP(0)                 { Compr }                       
 
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        //Setup the constants for line instruction
 
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        mov     (1)             SCALE_LINE_P255<1>:f            255.0:f                         { NoDDClr }     //{ NoDDClr, NoDDChk }
 
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        mov     (1)             SCALE_LINE_P0_5<1>:f            0.5:f                           { NoDDChk }
 
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//------------------------------------------------------------------------------
 
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$for (0; <nY_NUM_OF_ROWS; 1) {
 
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        // Read 16 sampled pixels and store them in float32 in 8 GRFs in the order of BGRA (VYUA).
 
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  mov (8)       MSGHDR_SCALE.0:ud      rMSGSRC.0<8;8,1>:ud    // Copy msg header and payload mirrors to MRFs
 
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        send (16)       SCALE_RESPONSE_YW(0)<1>         MSGHDR_SCALE    udDUMMY_NULL    nSMPL_ENGINE SMPLR_MSG_DSC+nSI_SRC_SIMD16_YUV+nBI_CURRENT_SRC_YUV
 
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        // Calculate 16 v for next line
 
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        add (16)        mfMSGPAYLOAD(2)<1>              SCALE_COORD_Y<8;8,1>:f          fVIDEO_STEP_Y<0;1,0>:f  // Assign to mrf directly
 
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        add (16)        SCALE_COORD_Y<1>:f              SCALE_COORD_Y<8;8,1>:f          fVIDEO_STEP_Y<0;1,0>:f  // Assign to mrf directly
 
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        // Scale back to [0, 255], convert f to ud
 
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        line (16)       acc0:f          SCALE_LINE_P255<0;1,0>:f        SCALE_RESPONSE_YF(0)    { Compr }                       // Process B, V
 
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        mov  (16) SCALE_RESPONSE_YD(0)<1>       acc0:f                                                                                                          { Compr }
 
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        line (16)       acc0:f          SCALE_LINE_P255<0;1,0>:f        SCALE_RESPONSE_YF(2)    { Compr }                       // Process B, V
 
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        mov  (16) SCALE_RESPONSE_YD(2)<1>       acc0:f                                                                                                          { Compr }
 
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        line (16)       acc0:f          SCALE_LINE_P255<0;1,0>:f        SCALE_RESPONSE_YF(4)    { Compr }                       // Process B, V
 
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        mov  (16) SCALE_RESPONSE_YD(4)<1>       acc0:f                                                                                                          { Compr }
 
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        mov      (16)   DEST_V(%1)<1>                           SCALE_RESPONSE_YB(0)                                                                                    //possible error due to truncation - vK
 
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        mov      (16)   DEST_Y(%1)<1>                           SCALE_RESPONSE_YB(2)                                                                                    //possible error due to truncation - vK
 
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        mov      (16)   DEST_U(%1)<1>                           SCALE_RESPONSE_YB(4)                                                                                    //possible error due to truncation - vK
 
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}
 
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        #define nSRC_REGION                             nREGION_1
 
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//------------------------------------------------------------------------------