Shamusworld >> Repos - virtualjaguar/blob - src/include/fbmpop2p.h

   1                 int count=0;
   2                 uint32 c;
   3                 paletteRam+=idx*2;
   4                 if (flags&FLAGS_READMODIFY)
   5                 {
   6                         if (flags&FLAGS_HFLIP)
   7                         {
   8                                 if (flags&FLAGS_TRANSPARENT)
   9                                 {
  10                                         while (iwidth)
  11                                         {
  12                                                 c=jaguar_byte_read(ptr++);
  13                                                 uint32 c0=(c>>6)&0x03;
  14                                                 uint32 c1=(c>>4)&0x03;
  15                                                 uint32 c2=(c>>2)&0x03;
  16                                                 uint32 c3=(c>>0)&0x03;
  17
  18                                                 if (c0)
  19                                                 {
  20                                                         *current_line_buffer--=BLEND_Y(*current_line_buffer,paletteRam[(c0<<1)+0]);
  21                                                         *current_line_buffer--=BLEND_CC(*current_line_buffer,paletteRam[(c0<<1)+1]);
  22                                                 }
  23                                                 else
  24                                                         current_line_buffer-=2;
  25                                                 if (c1)
  26                                                 {
  27                                                         *current_line_buffer--=BLEND_Y(*current_line_buffer,paletteRam[(c1<<1)+0]);
  28                                                         *current_line_buffer--=BLEND_CC(*current_line_buffer,paletteRam[(c1<<1)+1]);
  29                                                 }
  30                                                 else
  31                                                         current_line_buffer-=2;
  32                                                 if (c2)
  33                                                 {
  34                                                         *current_line_buffer--=BLEND_Y(*current_line_buffer,paletteRam[(c2<<1)+0]);
  35                                                         *current_line_buffer--=BLEND_CC(*current_line_buffer,paletteRam[(c2<<1)+1]);
  36                                                 }
  37                                                 else
  38                                                         current_line_buffer-=2;
  39                                                 if (c3)
  40                                                 {
  41                                                         *current_line_buffer--=BLEND_Y(*current_line_buffer,paletteRam[(c3<<1)+0]);
  42                                                         *current_line_buffer--=BLEND_CC(*current_line_buffer,paletteRam[(c3<<1)+1]);
  43                                                 }
  44                                                 else
  45                                                         current_line_buffer-=2;
  46                                                 count+=1;
  47                                                 if (count==8) // 8 bytes = a phrase (64 bits)
  48                                                 {
  49                                                         ptr-=8*(pitch-1);
  50                                                         count=0;
  51                                                 }
  52                                                 iwidth--;
  53                                         }
  54                                 }
  55                                 else
  56                                 {
  57                                         while (iwidth)
  58                                         {
  59                                                 c=jaguar_byte_read(ptr++);
  60                                                 uint32 c0=(c>>6)&0x03;
  61                                                 uint32 c1=(c>>4)&0x03;
  62                                                 uint32 c2=(c>>2)&0x03;
  63                                                 uint32 c3=(c>>0)&0x03;
  64
  65                                                 *current_line_buffer--=BLEND_Y(*current_line_buffer,paletteRam[(c0<<1)+0]);
  66                                                 *current_line_buffer--=BLEND_CC(*current_line_buffer,paletteRam[(c0<<1)+1]);
  67                                                 *current_line_buffer--=BLEND_Y(*current_line_buffer,paletteRam[(c1<<1)+0]);
  68                                                 *current_line_buffer--=BLEND_CC(*current_line_buffer,paletteRam[(c1<<1)+1]);
  69                                                 *current_line_buffer--=BLEND_Y(*current_line_buffer,paletteRam[(c2<<1)+0]);
  70                                                 *current_line_buffer--=BLEND_CC(*current_line_buffer,paletteRam[(c2<<1)+1]);
  71                                                 *current_line_buffer--=BLEND_Y(*current_line_buffer,paletteRam[(c3<<1)+0]);
  72                                                 *current_line_buffer--=BLEND_CC(*current_line_buffer,paletteRam[(c3<<1)+1]);
  73                                                 count+=1;
  74                                                 if (count==8) // 8 bytes = a phrase (64 bits)
  75                                                 {
  76                                                         ptr-=8*(pitch-1);
  77                                                         count=0;
  78                                                 }
  79                                                 iwidth--;
  80                                         }
  81                                 }
  82                         }
  83                         else
  84                         {
  85                                 if (flags&FLAGS_TRANSPARENT)
  86                                 {
  87                                         while (iwidth)
  88                                         {
  89                                                 c=jaguar_byte_read(ptr++);
  90                                                 uint32 c0=(c>>6)&0x03;
  91                                                 uint32 c1=(c>>4)&0x03;
  92                                                 uint32 c2=(c>>2)&0x03;
  93                                                 uint32 c3=(c>>0)&0x03;
  94
  95                                                 if (c0)
  96                                                 {
  97                                                         *current_line_buffer++=BLEND_Y(*current_line_buffer,paletteRam[(c0<<1)+0]);
  98                                                         *current_line_buffer++=BLEND_CC(*current_line_buffer,paletteRam[(c0<<1)+1]);
  99                                                 }
 100                                                 else
 101                                                         current_line_buffer+=2;
 102                                                 if (c1)
 103                                                 {
 104                                                         *current_line_buffer++=BLEND_Y(*current_line_buffer,paletteRam[(c1<<1)+0]);
 105                                                         *current_line_buffer++=BLEND_CC(*current_line_buffer,paletteRam[(c1<<1)+1]);
 106                                                 }
 107                                                 else
 108                                                         current_line_buffer+=2;
 109                                                 if (c2)
 110                                                 {
 111                                                         *current_line_buffer++=BLEND_Y(*current_line_buffer,paletteRam[(c2<<1)+0]);
 112                                                         *current_line_buffer++=BLEND_CC(*current_line_buffer,paletteRam[(c2<<1)+1]);
 113                                                 }
 114                                                 else
 115                                                         current_line_buffer+=2;
 116                                                 if (c3)
 117                                                 {
 118                                                         *current_line_buffer++=BLEND_Y(*current_line_buffer,paletteRam[(c3<<1)+0]);
 119                                                         *current_line_buffer++=BLEND_CC(*current_line_buffer,paletteRam[(c3<<1)+1]);
 120                                                 }
 121                                                 else
 122                                                         current_line_buffer+=2;
 123                                                 count+=1;
 124                                                 if (count==8) // 8 bytes = a phrase (64 bits)
 125                                                 {
 126                                                         ptr+=8*(pitch-1);
 127                                                         count=0;
 128                                                 }
 129                                                 iwidth--;
 130                                         }
 131                                 }
 132                                 else
 133                                 {
 134                                         while (iwidth)
 135                                         {
 136                                                 c=jaguar_byte_read(ptr++);
 137                                                 uint32 c0=(c>>6)&0x03;
 138                                                 uint32 c1=(c>>4)&0x03;
 139                                                 uint32 c2=(c>>2)&0x03;
 140                                                 uint32 c3=(c>>0)&0x03;
 141
 142                                                 *current_line_buffer++=BLEND_Y(*current_line_buffer,paletteRam[(c0<<1)+0]);
 143                                                 *current_line_buffer++=BLEND_CC(*current_line_buffer,paletteRam[(c0<<1)+1]);
 144                                                 *current_line_buffer++=BLEND_Y(*current_line_buffer,paletteRam[(c1<<1)+0]);
 145                                                 *current_line_buffer++=BLEND_CC(*current_line_buffer,paletteRam[(c1<<1)+1]);
 146                                                 *current_line_buffer++=BLEND_Y(*current_line_buffer,paletteRam[(c2<<1)+0]);
 147                                                 *current_line_buffer++=BLEND_CC(*current_line_buffer,paletteRam[(c2<<1)+1]);
 148                                                 *current_line_buffer++=BLEND_Y(*current_line_buffer,paletteRam[(c3<<1)+0]);
 149                                                 *current_line_buffer++=BLEND_CC(*current_line_buffer,paletteRam[(c3<<1)+1]);
 150                                                 count+=1;
 151                                                 if (count==8) // 8 bytes = a phrase (64 bits)
 152                                                 {
 153                                                         ptr+=8*(pitch-1);
 154                                                         count=0;
 155                                                 }
 156                                                 iwidth--;
 157                                         }
 158                                 }
 159                         }
 160                 }
 161                 else
 162                 {
 163                         if (flags&FLAGS_HFLIP)
 164                         {
 165                                 if (flags&FLAGS_TRANSPARENT)
 166                                 {
 167                                         while (iwidth)
 168                                         {
 169                                                 c=jaguar_byte_read(ptr++);
 170                                                 uint32 c0=(c>>6)&0x03;
 171                                                 uint32 c1=(c>>4)&0x03;
 172                                                 uint32 c2=(c>>2)&0x03;
 173                                                 uint32 c3=(c>>0)&0x03;
 174
 175                                                 if (c0)
 176                                                 {
 177                                                         *current_line_buffer--=paletteRam[(c0<<1)+0];
 178                                                         *current_line_buffer--=paletteRam[(c0<<1)+1];
 179                                                 }
 180                                                 else
 181                                                         current_line_buffer-=2;
 182                                                 if (c1)
 183                                                 {
 184                                                         *current_line_buffer--=paletteRam[(c1<<1)+0];
 185                                                         *current_line_buffer--=paletteRam[(c1<<1)+1];
 186                                                 }
 187                                                 else
 188                                                         current_line_buffer-=2;
 189                                                 if (c2)
 190                                                 {
 191                                                         *current_line_buffer--=paletteRam[(c2<<1)+0];
 192                                                         *current_line_buffer--=paletteRam[(c2<<1)+1];
 193                                                 }
 194                                                 else
 195                                                         current_line_buffer-=2;
 196                                                 if (c3)
 197                                                 {
 198                                                         *current_line_buffer--=paletteRam[(c3<<1)+0];
 199                                                         *current_line_buffer--=paletteRam[(c3<<1)+1];
 200                                                 }
 201                                                 else
 202                                                         current_line_buffer-=2;
 203                                                 count+=1;
 204                                                 if (count==8) // 8 bytes = a phrase (64 bits)
 205                                                 {
 206                                                         ptr-=8*(pitch-1);
 207                                                         count=0;
 208                                                 }
 209                                                 iwidth--;
 210                                         }
 211                                 }
 212                                 else
 213                                 {
 214                                         while (iwidth)
 215                                         {
 216                                                 c=jaguar_byte_read(ptr++);
 217                                                 uint32 c0=(c>>6)&0x03;
 218                                                 uint32 c1=(c>>4)&0x03;
 219                                                 uint32 c2=(c>>2)&0x03;
 220                                                 uint32 c3=(c>>0)&0x03;
 221
 222                                                 *current_line_buffer--=paletteRam[(c0<<1)+0];
 223                                                 *current_line_buffer--=paletteRam[(c0<<1)+1];
 224                                                 *current_line_buffer--=paletteRam[(c1<<1)+0];
 225                                                 *current_line_buffer--=paletteRam[(c1<<1)+1];
 226                                                 *current_line_buffer--=paletteRam[(c2<<1)+0];
 227                                                 *current_line_buffer--=paletteRam[(c2<<1)+1];
 228                                                 *current_line_buffer--=paletteRam[(c3<<1)+0];
 229                                                 *current_line_buffer--=paletteRam[(c3<<1)+1];
 230                                                 count+=1;
 231                                                 if (count==8) // 8 bytes = a phrase (64 bits)
 232                                                 {
 233                                                         ptr-=8*(pitch-1);
 234                                                         count=0;
 235                                                 }
 236                                                 iwidth--;
 237                                         }
 238                                 }
 239                         }
 240                         else
 241                         {
 242                                 if (flags&FLAGS_TRANSPARENT)
 243                                 {
 244                                         while (iwidth)
 245                                         {
 246                                                 c=jaguar_byte_read(ptr++);
 247                                                 uint32 c0=(c>>6)&0x03;
 248                                                 uint32 c1=(c>>4)&0x03;
 249                                                 uint32 c2=(c>>2)&0x03;
 250                                                 uint32 c3=(c>>0)&0x03;
 251
 252                                                 if (c0)
 253                                                 {
 254                                                         *current_line_buffer++=paletteRam[(c0<<1)+0];
 255                                                         *current_line_buffer++=paletteRam[(c0<<1)+1];
 256                                                 }
 257                                                 else
 258                                                         current_line_buffer+=2;
 259                                                 if (c1)
 260                                                 {
 261                                                         *current_line_buffer++=paletteRam[(c1<<1)+0];
 262                                                         *current_line_buffer++=paletteRam[(c1<<1)+1];
 263                                                 }
 264                                                 else
 265                                                         current_line_buffer+=2;
 266                                                 if (c2)
 267                                                 {
 268                                                         *current_line_buffer++=paletteRam[(c2<<1)+0];
 269                                                         *current_line_buffer++=paletteRam[(c2<<1)+1];
 270                                                 }
 271                                                 else
 272                                                         current_line_buffer+=2;
 273                                                 if (c3)
 274                                                 {
 275                                                         *current_line_buffer++=paletteRam[(c3<<1)+0];
 276                                                         *current_line_buffer++=paletteRam[(c3<<1)+1];
 277                                                 }
 278                                                 else
 279                                                         current_line_buffer+=2;
 280                                                 count+=1;
 281                                                 if (count==8) // 8 bytes = a phrase (64 bits)
 282                                                 {
 283                                                         ptr+=8*(pitch-1);
 284                                                         count=0;
 285                                                 }
 286                                                 iwidth--;
 287                                         }
 288                                 }
 289                                 else
 290                                 {
 291                                         while (iwidth)
 292                                         {
 293                                                 c=jaguar_byte_read(ptr++);
 294                                                 uint32 c0=(c>>6)&0x03;
 295                                                 uint32 c1=(c>>4)&0x03;
 296                                                 uint32 c2=(c>>2)&0x03;
 297                                                 uint32 c3=(c>>0)&0x03;
 298
 299                                                 *current_line_buffer++=paletteRam[(c0<<1)+0];
 300                                                 *current_line_buffer++=paletteRam[(c0<<1)+1];
 301                                                 *current_line_buffer++=paletteRam[(c1<<1)+0];
 302                                                 *current_line_buffer++=paletteRam[(c1<<1)+1];
 303                                                 *current_line_buffer++=paletteRam[(c2<<1)+0];
 304                                                 *current_line_buffer++=paletteRam[(c2<<1)+1];
 305                                                 *current_line_buffer++=paletteRam[(c3<<1)+0];
 306                                                 *current_line_buffer++=paletteRam[(c3<<1)+1];
 307                                                 count+=1;
 308                                                 if (count==8) // 8 bytes = a phrase (64 bits)
 309                                                 {
 310                                                         ptr+=8*(pitch-1);
 311                                                         count=0;
 312                                                 }
 313                                                 iwidth--;
 314                                         }
 315                                 }
 316                         }
 317                 }