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      1 /*
      2  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
      3  *
      4  *  Use of this source code is governed by a BSD-style license
      5  *  that can be found in the LICENSE file in the root of the source
      6  *  tree. An additional intellectual property rights grant can be found
      7  *  in the file PATENTS.  All contributing project authors may
      8  *  be found in the AUTHORS file in the root of the source tree.
      9  */
     10 
     11 #include "vpx_config.h"
     12 #include "vp8_rtcd.h"
     13 
     14 void vp8_idct_dequant_0_2x_sse2
     15             (short *q, short *dq ,
     16              unsigned char *dst, int dst_stride);
     17 void vp8_idct_dequant_full_2x_sse2
     18             (short *q, short *dq ,
     19              unsigned char *dst, int dst_stride);
     20 
     21 void vp8_dequant_idct_add_y_block_sse2
     22             (short *q, short *dq,
     23              unsigned char *dst, int stride, char *eobs)
     24 {
     25     int i;
     26 
     27     for (i = 0; i < 4; i++)
     28     {
     29         if (((short *)(eobs))[0])
     30         {
     31             if (((short *)(eobs))[0] & 0xfefe)
     32                 vp8_idct_dequant_full_2x_sse2 (q, dq, dst, stride);
     33             else
     34                 vp8_idct_dequant_0_2x_sse2 (q, dq, dst, stride);
     35         }
     36         if (((short *)(eobs))[1])
     37         {
     38             if (((short *)(eobs))[1] & 0xfefe)
     39                 vp8_idct_dequant_full_2x_sse2 (q+32, dq, dst+8, stride);
     40             else
     41                 vp8_idct_dequant_0_2x_sse2 (q+32, dq, dst+8, stride);
     42         }
     43         q    += 64;
     44         dst  += stride*4;
     45         eobs += 4;
     46     }
     47 }
     48 
     49 void vp8_dequant_idct_add_uv_block_sse2
     50             (short *q, short *dq,
     51              unsigned char *dstu, unsigned char *dstv, int stride, char *eobs)
     52 {
     53     if (((short *)(eobs))[0])
     54     {
     55         if (((short *)(eobs))[0] & 0xfefe)
     56             vp8_idct_dequant_full_2x_sse2 (q, dq, dstu, stride);
     57         else
     58             vp8_idct_dequant_0_2x_sse2 (q, dq, dstu, stride);
     59     }
     60     q    += 32;
     61     dstu += stride*4;
     62 
     63     if (((short *)(eobs))[1])
     64     {
     65         if (((short *)(eobs))[1] & 0xfefe)
     66             vp8_idct_dequant_full_2x_sse2 (q, dq, dstu, stride);
     67         else
     68             vp8_idct_dequant_0_2x_sse2 (q, dq, dstu, stride);
     69     }
     70     q    += 32;
     71 
     72     if (((short *)(eobs))[2])
     73     {
     74         if (((short *)(eobs))[2] & 0xfefe)
     75             vp8_idct_dequant_full_2x_sse2 (q, dq, dstv, stride);
     76         else
     77             vp8_idct_dequant_0_2x_sse2 (q, dq, dstv, stride);
     78     }
     79     q    += 32;
     80     dstv += stride*4;
     81 
     82     if (((short *)(eobs))[3])
     83     {
     84       if (((short *)(eobs))[3] & 0xfefe)
     85           vp8_idct_dequant_full_2x_sse2 (q, dq, dstv, stride);
     86       else
     87           vp8_idct_dequant_0_2x_sse2 (q, dq, dstv, stride);
     88     }
     89 }
     90