Shamusworld >> Repos - virtualjaguar/blob - src/include/fbmpop2.h

   1                 uint32 c;
   2                 paletteRam+=idx*2;
   3                 if (flags&FLAGS_READMODIFY)
   4                 {
   5                         if (flags&FLAGS_HFLIP)
   6                         {
   7                                 if (flags&FLAGS_TRANSPARENT)
   8                                 {
   9                                         while (iwidth)
  10                                         {
  11                                                 c=jaguar_byte_read(ptr++);
  12                                                 uint32 c0=(c>>6)&0x03;
  13                                                 uint32 c1=(c>>4)&0x03;
  14                                                 uint32 c2=(c>>2)&0x03;
  15                                                 uint32 c3=(c>>0)&0x03;
  16
  17                                                 if (c0)
  18                                                 {
  19                                                         *current_line_buffer--=BLEND_Y(*current_line_buffer,paletteRam[(c0<<1)+0]);
  20                                                         *current_line_buffer--=BLEND_CC(*current_line_buffer,paletteRam[(c0<<1)+1]);
  21                                                 }
  22                                                 else
  23                                                         current_line_buffer-=2;
  24                                                 if (c1)
  25                                                 {
  26                                                         *current_line_buffer--=BLEND_Y(*current_line_buffer,paletteRam[(c1<<1)+0]);
  27                                                         *current_line_buffer--=BLEND_CC(*current_line_buffer,paletteRam[(c1<<1)+1]);
  28                                                 }
  29                                                 else
  30                                                         current_line_buffer-=2;
  31                                                 if (c2)
  32                                                 {
  33                                                         *current_line_buffer--=BLEND_Y(*current_line_buffer,paletteRam[(c2<<1)+0]);
  34                                                         *current_line_buffer--=BLEND_CC(*current_line_buffer,paletteRam[(c2<<1)+1]);
  35                                                 }
  36                                                 else
  37                                                         current_line_buffer-=2;
  38                                                 if (c3)
  39                                                 {
  40                                                         *current_line_buffer--=BLEND_Y(*current_line_buffer,paletteRam[(c3<<1)+0]);
  41                                                         *current_line_buffer--=BLEND_CC(*current_line_buffer,paletteRam[(c3<<1)+1]);
  42                                                 }
  43                                                 else
  44                                                         current_line_buffer-=2;
  45                                                 iwidth--;
  46                                         }
  47                                 }
  48                                 else
  49                                 {
  50                                         while (iwidth)
  51                                         {
  52                                                 c=jaguar_byte_read(ptr++);
  53                                                 uint32 c0=(c>>6)&0x03;
  54                                                 uint32 c1=(c>>4)&0x03;
  55                                                 uint32 c2=(c>>2)&0x03;
  56                                                 uint32 c3=(c>>0)&0x03;
  57
  58                                                 *current_line_buffer--=BLEND_Y(*current_line_buffer,paletteRam[(c0<<1)+0]);
  59                                                 *current_line_buffer--=BLEND_CC(*current_line_buffer,paletteRam[(c0<<1)+1]);
  60                                                 *current_line_buffer--=BLEND_Y(*current_line_buffer,paletteRam[(c1<<1)+0]);
  61                                                 *current_line_buffer--=BLEND_CC(*current_line_buffer,paletteRam[(c1<<1)+1]);
  62                                                 *current_line_buffer--=BLEND_Y(*current_line_buffer,paletteRam[(c2<<1)+0]);
  63                                                 *current_line_buffer--=BLEND_CC(*current_line_buffer,paletteRam[(c2<<1)+1]);
  64                                                 *current_line_buffer--=BLEND_Y(*current_line_buffer,paletteRam[(c3<<1)+0]);
  65                                                 *current_line_buffer--=BLEND_CC(*current_line_buffer,paletteRam[(c3<<1)+1]);
  66                                                 iwidth--;
  67                                         }
  68                                 }
  69                         }
  70                         else
  71                         {
  72                                 if (flags&FLAGS_TRANSPARENT)
  73                                 {
  74                                         while (iwidth)
  75                                         {
  76                                                 c=jaguar_byte_read(ptr++);
  77                                                 uint32 c0=(c>>6)&0x03;
  78                                                 uint32 c1=(c>>4)&0x03;
  79                                                 uint32 c2=(c>>2)&0x03;
  80                                                 uint32 c3=(c>>0)&0x03;
  81
  82                                                 if (c0)
  83                                                 {
  84                                                         *current_line_buffer++=BLEND_Y(*current_line_buffer,paletteRam[(c0<<1)+0]);
  85                                                         *current_line_buffer++=BLEND_CC(*current_line_buffer,paletteRam[(c0<<1)+1]);
  86                                                 }
  87                                                 else
  88                                                         current_line_buffer+=2;
  89                                                 if (c1)
  90                                                 {
  91                                                         *current_line_buffer++=BLEND_Y(*current_line_buffer,paletteRam[(c1<<1)+0]);
  92                                                         *current_line_buffer++=BLEND_CC(*current_line_buffer,paletteRam[(c1<<1)+1]);
  93                                                 }
  94                                                 else
  95                                                         current_line_buffer+=2;
  96                                                 if (c2)
  97                                                 {
  98                                                         *current_line_buffer++=BLEND_Y(*current_line_buffer,paletteRam[(c2<<1)+0]);
  99                                                         *current_line_buffer++=BLEND_CC(*current_line_buffer,paletteRam[(c2<<1)+1]);
 100                                                 }
 101                                                 else
 102                                                         current_line_buffer+=2;
 103                                                 if (c3)
 104                                                 {
 105                                                         *current_line_buffer++=BLEND_Y(*current_line_buffer,paletteRam[(c3<<1)+0]);
 106                                                         *current_line_buffer++=BLEND_CC(*current_line_buffer,paletteRam[(c3<<1)+1]);
 107                                                 }
 108                                                 else
 109                                                         current_line_buffer+=2;
 110                                                 iwidth--;
 111                                         }
 112                                 }
 113                                 else
 114                                 {
 115                                         while (iwidth)
 116                                         {
 117                                                 c=jaguar_byte_read(ptr++);
 118                                                 uint32 c0=(c>>6)&0x03;
 119                                                 uint32 c1=(c>>4)&0x03;
 120                                                 uint32 c2=(c>>2)&0x03;
 121                                                 uint32 c3=(c>>0)&0x03;
 122
 123                                                 *current_line_buffer++=BLEND_Y(*current_line_buffer,paletteRam[(c0<<1)+0]);
 124                                                 *current_line_buffer++=BLEND_CC(*current_line_buffer,paletteRam[(c0<<1)+1]);
 125                                                 *current_line_buffer++=BLEND_Y(*current_line_buffer,paletteRam[(c1<<1)+0]);
 126                                                 *current_line_buffer++=BLEND_CC(*current_line_buffer,paletteRam[(c1<<1)+1]);
 127                                                 *current_line_buffer++=BLEND_Y(*current_line_buffer,paletteRam[(c2<<1)+0]);
 128                                                 *current_line_buffer++=BLEND_CC(*current_line_buffer,paletteRam[(c2<<1)+1]);
 129                                                 *current_line_buffer++=BLEND_Y(*current_line_buffer,paletteRam[(c3<<1)+0]);
 130                                                 *current_line_buffer++=BLEND_CC(*current_line_buffer,paletteRam[(c3<<1)+1]);
 131                                                 iwidth--;
 132                                         }
 133                                 }
 134                         }
 135                 }
 136                 else
 137                 {
 138                         if (flags&FLAGS_HFLIP)
 139                         {
 140                                 if (flags&FLAGS_TRANSPARENT)
 141                                 {
 142                                         while (iwidth)
 143                                         {
 144                                                 c=jaguar_byte_read(ptr++);
 145                                                 uint32 c0=(c>>6)&0x03;
 146                                                 uint32 c1=(c>>4)&0x03;
 147                                                 uint32 c2=(c>>2)&0x03;
 148                                                 uint32 c3=(c>>0)&0x03;
 149
 150                                                 if (c0)
 151                                                 {
 152                                                         *current_line_buffer--=paletteRam[(c0<<1)+0];
 153                                                         *current_line_buffer--=paletteRam[(c0<<1)+1];
 154                                                 }
 155                                                 else
 156                                                         current_line_buffer-=2;
 157                                                 if (c1)
 158                                                 {
 159                                                         *current_line_buffer--=paletteRam[(c1<<1)+0];
 160                                                         *current_line_buffer--=paletteRam[(c1<<1)+1];
 161                                                 }
 162                                                 else
 163                                                         current_line_buffer-=2;
 164                                                 if (c2)
 165                                                 {
 166                                                         *current_line_buffer--=paletteRam[(c2<<1)+0];
 167                                                         *current_line_buffer--=paletteRam[(c2<<1)+1];
 168                                                 }
 169                                                 else
 170                                                         current_line_buffer-=2;
 171                                                 if (c3)
 172                                                 {
 173                                                         *current_line_buffer--=paletteRam[(c3<<1)+0];
 174                                                         *current_line_buffer--=paletteRam[(c3<<1)+1];
 175                                                 }
 176                                                 else
 177                                                         current_line_buffer-=2;
 178                                                 iwidth--;
 179                                         }
 180                                 }
 181                                 else
 182                                 {
 183                                         while (iwidth)
 184                                         {
 185                                                 c=jaguar_byte_read(ptr++);
 186                                                 uint32 c0=(c>>6)&0x03;
 187                                                 uint32 c1=(c>>4)&0x03;
 188                                                 uint32 c2=(c>>2)&0x03;
 189                                                 uint32 c3=(c>>0)&0x03;
 190
 191                                                 *current_line_buffer--=paletteRam[(c0<<1)+0];
 192                                                 *current_line_buffer--=paletteRam[(c0<<1)+1];
 193                                                 *current_line_buffer--=paletteRam[(c1<<1)+0];
 194                                                 *current_line_buffer--=paletteRam[(c1<<1)+1];
 195                                                 *current_line_buffer--=paletteRam[(c2<<1)+0];
 196                                                 *current_line_buffer--=paletteRam[(c2<<1)+1];
 197                                                 *current_line_buffer--=paletteRam[(c3<<1)+0];
 198                                                 *current_line_buffer--=paletteRam[(c3<<1)+1];
 199                                                 iwidth--;
 200                                         }
 201                                 }
 202                         }
 203                         else
 204                         {
 205                                 if (flags&FLAGS_TRANSPARENT)
 206                                 {
 207                                         while (iwidth)
 208                                         {
 209                                                 c=jaguar_byte_read(ptr++);
 210                                                 uint32 c0=(c>>6)&0x03;
 211                                                 uint32 c1=(c>>4)&0x03;
 212                                                 uint32 c2=(c>>2)&0x03;
 213                                                 uint32 c3=(c>>0)&0x03;
 214
 215                                                 if (c0)
 216                                                 {
 217                                                         *current_line_buffer++=paletteRam[(c0<<1)+0];
 218                                                         *current_line_buffer++=paletteRam[(c0<<1)+1];
 219                                                 }
 220                                                 else
 221                                                         current_line_buffer+=2;
 222                                                 if (c1)
 223                                                 {
 224                                                         *current_line_buffer++=paletteRam[(c1<<1)+0];
 225                                                         *current_line_buffer++=paletteRam[(c1<<1)+1];
 226                                                 }
 227                                                 else
 228                                                         current_line_buffer+=2;
 229                                                 if (c2)
 230                                                 {
 231                                                         *current_line_buffer++=paletteRam[(c2<<1)+0];
 232                                                         *current_line_buffer++=paletteRam[(c2<<1)+1];
 233                                                 }
 234                                                 else
 235                                                         current_line_buffer+=2;
 236                                                 if (c3)
 237                                                 {
 238                                                         *current_line_buffer++=paletteRam[(c3<<1)+0];
 239                                                         *current_line_buffer++=paletteRam[(c3<<1)+1];
 240                                                 }
 241                                                 else
 242                                                         current_line_buffer+=2;
 243                                                 iwidth--;
 244                                         }
 245                                 }
 246                                 else
 247                                 {
 248                                         while (iwidth)
 249                                         {
 250                                                 c=jaguar_byte_read(ptr++);
 251                                                 uint32 c0=(c>>6)&0x03;
 252                                                 uint32 c1=(c>>4)&0x03;
 253                                                 uint32 c2=(c>>2)&0x03;
 254                                                 uint32 c3=(c>>0)&0x03;
 255
 256                                                 *current_line_buffer++=paletteRam[(c0<<1)+0];
 257                                                 *current_line_buffer++=paletteRam[(c0<<1)+1];
 258                                                 *current_line_buffer++=paletteRam[(c1<<1)+0];
 259                                                 *current_line_buffer++=paletteRam[(c1<<1)+1];
 260                                                 *current_line_buffer++=paletteRam[(c2<<1)+0];
 261                                                 *current_line_buffer++=paletteRam[(c2<<1)+1];
 262                                                 *current_line_buffer++=paletteRam[(c3<<1)+0];
 263                                                 *current_line_buffer++=paletteRam[(c3<<1)+1];
 264                                                 iwidth--;
 265                                         }
 266                                 }
 267                         }
 268                 }