source/src/agar/common/scaler/generic/scaler_x3.c

   1 /*
   2  * Zoom x3
   3  * (C) 2014 K.Ohta
   4  *
   5  * History:
   6  *  2013-04-02 Move from scaler_x2.c
   7  */
   8 #include <agar/core.h>
   9 #include <agar/gui.h>
  10 #include "simd_types.h"
  11 #include "sdl_cpuid.h"
  12 #include "cache_wrapper.h"
  13
  14 extern BOOL bFullScan;
  15
  16 static void Scaler_DrawLine(v4hi *dst, Uint32 *src, int ww, int repeat, int pitch)
  17 {
  18    int xx;
  19    int yy;
  20    int yrep2;
  21    int yrep3;
  22    int blank;
  23    v4hi *b2p;
  24    v4hi r1, r2;
  25    v4hi *d0;
  26    v4hi *b;
  27    int pitch2;
  28 #if AG_BIG_ENDIAN != 1
  29    const v4ui bb = {0xff000000, 0xff000000, 0xff000000, 0xff000000};
  30 #else
  31    const v4ui bb = {0x000000ff, 0x000000ff, 0x000000ff, 0x000000ff};
  32 #endif
  33
  34    if(repeat <= 0) return;
  35    b = (v4hi *)src;
  36    b2p = dst;
  37    pitch2 = pitch / sizeof(v4hi);
  38    if((bFullScan) || (repeat < 2)) {
  39       v4hi r3, r4, r5, r6, r7, r8;
  40       for(xx = 0; xx < ww; xx += 8) {
  41          b2p = dst;
  42          r1 = *b++;
  43          r2 = *b++;
  44          // 76543210 -> 7776666555444333222111000
  45          r3.uv  = (v4ui){r1.i[0], r1.i[0], r1.i[0], r1.i[1]};
  46          r4.uv  = (v4ui){r1.i[1], r1.i[1], r1.i[2], r1.i[2]};
  47          r5.uv  = (v4ui){r1.i[2], r1.i[3], r1.i[3], r1.i[3]};
  48
  49          r6.uv  = (v4ui){r2.i[0], r2.i[0], r2.i[0], r2.i[1]};
  50          r7.uv  = (v4ui){r2.i[1], r2.i[1], r2.i[2], r2.i[2]};
  51          r8.uv  = (v4ui){r2.i[2], r2.i[3], r2.i[3], r2.i[3]};
  52          for(yy = 0; yy < repeat; yy++) {
  53             b2p[0] = r3;
  54             b2p[1] = r4;
  55             b2p[2] = r5;
  56             b2p[3] = r6;
  57             b2p[4] = r7;
  58             b2p[5] = r8;
  59             b2p = b2p + pitch2;
  60          }
  61          dst += 6;
  62 //       b += 2;
  63       }
  64    } else {
  65       v4hi r3, r4, r5, r6, r7, r8;
  66       for(xx = 0; xx < ww; xx += 8) {
  67          b2p = dst;
  68          r1 = *b++;
  69          r2 = *b++;
  70          // 76543210 -> 777766666555544444333322222111100000
  71          r3.uv  = (v4ui){r1.i[0], r1.i[0], r1.i[0], r1.i[1]};
  72          r4.uv  = (v4ui){r1.i[1], r1.i[1], r1.i[2], r1.i[2]};
  73          r5.uv  = (v4ui){r1.i[2], r1.i[3], r1.i[3], r1.i[3]};
  74
  75          r6.uv  = (v4ui){r2.i[0], r2.i[0], r2.i[0], r2.i[1]};
  76          r7.uv  = (v4ui){r2.i[1], r2.i[1], r2.i[2], r2.i[2]};
  77          r8.uv  = (v4ui){r2.i[2], r2.i[3], r2.i[3], r2.i[3]};
  78          for(yy = 0; yy < repeat - 1; yy++) {
  79             b2p[0] = r3;
  80             b2p[1] = r4;
  81             b2p[2] = r5;
  82             b2p[3] = r6;
  83             b2p[4] = r7;
  84             b2p[5] = r8;
  85             b2p = b2p + pitch2;
  86          }
  87          b2p[0].uv =
  88          b2p[1].uv =
  89          b2p[2].uv =
  90          b2p[3].uv =
  91          b2p[4].uv =
  92          b2p[5].uv = bb;
  93          dst += 6;
  94 //       b += 2;
  95       }
  96    }
  97
  98 }
  99
 100
 101
 102 void pVram2RGB_x3_Line(Uint32 *src, Uint8 *dst, int xbegin, int xend, int y, int yrep)
 103 {
 104    register v4hi *b;
 105    AG_Surface *Surface = GetDrawSurface();
 106    Uint32 *d1;
 107    Uint32 *d2;
 108    Uint32 *p;
 109    int w;
 110    int h;
 111    int yy;
 112    int xx;
 113    int hh;
 114    int ww;
 115    int i;
 116    int x = xbegin;
 117    int yrep2;
 118    unsigned  pitch;
 119    Uint32 black;
 120    if(Surface == NULL) return;
 121    w = Surface->w;
 122    h = Surface->h;
 123
 124
 125    ww = xend - xbegin;
 126 //   if(ww > (w / 2)) ww = w / 2;
 127    ww = (ww / 8) * 8;
 128    if(ww <= 0) return;
 129
 130
 131 #if AG_BIG_ENDIAN != 1
 132    black = 0xff000000;
 133 #else
 134    black = 0x000000ff;
 135 #endif
 136 //   yrep = yrep * 16.0f;
 137
 138    yrep2 = yrep;
 139
 140    d1 = (Uint32 *)((Uint8 *)dst + x * 3 * Surface->format->BytesPerPixel);
 141    d2 = &src[x + y * 640];
 142    Scaler_DrawLine((v4hi *)d1, (Uint32 *)d2, ww, yrep2, Surface->pitch);
 143 //   AG_SurfaceUnlock(Surface);
 144    return;
 145 }
 146
 147