plugins/gpu_unai/gpu_raster_image.h

   1 /***************************************************************************
   2  *   Copyright (C) 2010 PCSX4ALL Team                                      *
   3  *   Copyright (C) 2010 Unai                                               *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA 02111-1307 USA.           *
  19  ***************************************************************************/
  20
  21 ///////////////////////////////////////////////////////////////////////////////
  22 #ifndef USE_GPULIB
  23 void gpuLoadImage(PtrUnion packet)
  24 {
  25         u16 x0, y0, w0, h0;
  26         x0 = packet.U2[2] & 1023;
  27         y0 = packet.U2[3] & 511;
  28         w0 = packet.U2[4];
  29         h0 = packet.U2[5];
  30
  31         if ((y0 + h0) > FRAME_HEIGHT)
  32         {
  33                 h0 = FRAME_HEIGHT - y0;
  34         }
  35
  36         gpu_unai.dma.FrameToWrite = ((w0)&&(h0));
  37
  38         gpu_unai.dma.px = 0;
  39         gpu_unai.dma.py = 0;
  40         gpu_unai.dma.x_end = w0;
  41         gpu_unai.dma.y_end = h0;
  42         gpu_unai.dma.pvram = &((u16*)gpu_unai.vram)[x0+(y0*1024)];
  43
  44         gpu_unai.GPU_GP1 |= 0x08000000;
  45 }
  46 #endif // !USE_GPULIB
  47
  48 ///////////////////////////////////////////////////////////////////////////////
  49 #ifndef USE_GPULIB
  50 void gpuStoreImage(PtrUnion packet)
  51 {
  52         u16 x0, y0, w0, h0;
  53         x0 = packet.U2[2] & 1023;
  54         y0 = packet.U2[3] & 511;
  55         w0 = packet.U2[4];
  56         h0 = packet.U2[5];
  57
  58         if ((y0 + h0) > FRAME_HEIGHT)
  59         {
  60                 h0 = FRAME_HEIGHT - y0;
  61         }
  62         gpu_unai.dma.FrameToRead = ((w0)&&(h0));
  63
  64         gpu_unai.dma.px = 0;
  65         gpu_unai.dma.py = 0;
  66         gpu_unai.dma.x_end = w0;
  67         gpu_unai.dma.y_end = h0;
  68         gpu_unai.dma.pvram = &((u16*)gpu_unai.vram)[x0+(y0*1024)];
  69
  70         gpu_unai.GPU_GP1 |= 0x08000000;
  71 }
  72 #endif // !USE_GPULIB
  73
  74 void gpuMoveImage(PtrUnion packet)
  75 {
  76         u32 x0, y0, x1, y1;
  77         s32 w0, h0;
  78         x0 = packet.U2[2] & 1023;
  79         y0 = packet.U2[3] & 511;
  80         x1 = packet.U2[4] & 1023;
  81         y1 = packet.U2[5] & 511;
  82         w0 = packet.U2[6];
  83         h0 = packet.U2[7];
  84
  85         if( (x0==x1) && (y0==y1) ) return;
  86         if ((w0<=0) || (h0<=0)) return;
  87
  88         #ifdef ENABLE_GPU_LOG_SUPPORT
  89                 fprintf(stdout,"gpuMoveImage(x0=%u,y0=%u,x1=%u,y1=%u,w0=%d,h0=%d)\n",x0,y0,x1,y1,w0,h0);
  90         #endif
  91
  92         if (((y0+h0)>512)||((x0+w0)>1024)||((y1+h0)>512)||((x1+w0)>1024))
  93         {
  94                 u16 *psxVuw=gpu_unai.vram;
  95                 s32 i,j;
  96             for(j=0;j<h0;j++)
  97                  for(i=0;i<w0;i++)
  98                   psxVuw [(1024*((y1+j)&511))+((x1+i)&0x3ff)]=
  99                    psxVuw[(1024*((y0+j)&511))+((x0+i)&0x3ff)];
 100         }
 101         else if ((x0&1)||(x1&1))
 102         {
 103                 u16 *lpDst, *lpSrc;
 104                 lpDst = lpSrc = (u16*)gpu_unai.vram;
 105                 lpSrc += FRAME_OFFSET(x0, y0);
 106                 lpDst += FRAME_OFFSET(x1, y1);
 107                 x1 = FRAME_WIDTH - w0;
 108                 do {
 109                         x0=w0;
 110                         do { *lpDst++ = *lpSrc++; } while (--x0);
 111                         lpDst += x1;
 112                         lpSrc += x1;
 113                 } while (--h0);
 114         }
 115         else
 116         {
 117                 u32 *lpDst, *lpSrc;
 118                 lpDst = lpSrc = (u32*)(void*)gpu_unai.vram;
 119                 lpSrc += ((FRAME_OFFSET(x0, y0))>>1);
 120                 lpDst += ((FRAME_OFFSET(x1, y1))>>1);
 121                 if (w0&1)
 122                 {
 123                         x1 = (FRAME_WIDTH - w0 +1)>>1;
 124                         w0>>=1;
 125                         if (!w0) {
 126                                 do {
 127                                         *((u16*)lpDst) = *((u16*)lpSrc);
 128                                         lpDst += x1;
 129                                         lpSrc += x1;
 130                                 } while (--h0);
 131                         } else
 132                         do {
 133                                 x0=w0;
 134                                 do { *lpDst++ = *lpSrc++; } while (--x0);
 135                                 *((u16*)lpDst) = *((u16*)lpSrc);
 136                                 lpDst += x1;
 137                                 lpSrc += x1;
 138                         } while (--h0);
 139                 }
 140                 else
 141                 {
 142                         x1 = (FRAME_WIDTH - w0)>>1;
 143                         w0>>=1;
 144                         do {
 145                                 x0=w0;
 146                                 do { *lpDst++ = *lpSrc++; } while (--x0);
 147                                 lpDst += x1;
 148                                 lpSrc += x1;
 149                         } while (--h0);
 150                 }
 151         }
 152 }
 153
 154 void gpuClearImage(PtrUnion packet)
 155 {
 156         s32   x0, y0, w0, h0;
 157         x0 = packet.S2[2];
 158         y0 = packet.S2[3];
 159         w0 = packet.S2[4] & 0x3ff;
 160         h0 = packet.S2[5] & 0x3ff;
 161
 162         w0 += x0;
 163         if (x0 < 0) x0 = 0;
 164         if (w0 > FRAME_WIDTH) w0 = FRAME_WIDTH;
 165         w0 -= x0;
 166         if (w0 <= 0) return;
 167         h0 += y0;
 168         if (y0 < 0) y0 = 0;
 169         if (h0 > FRAME_HEIGHT) h0 = FRAME_HEIGHT;
 170         h0 -= y0;
 171         if (h0 <= 0) return;
 172
 173         #ifdef ENABLE_GPU_LOG_SUPPORT
 174                 fprintf(stdout,"gpuClearImage(x0=%d,y0=%d,w0=%d,h0=%d)\n",x0,y0,w0,h0);
 175         #endif
 176
 177         if (x0&1)
 178         {
 179                 u16* pixel = (u16*)gpu_unai.vram + FRAME_OFFSET(x0, y0);
 180                 u16 rgb = GPU_RGB16(packet.U4[0]);
 181                 y0 = FRAME_WIDTH - w0;
 182                 do {
 183                         x0=w0;
 184                         do { *pixel++ = rgb; } while (--x0);
 185                         pixel += y0;
 186                 } while (--h0);
 187         }
 188         else
 189         {
 190                 u32* pixel = (u32*)gpu_unai.vram + ((FRAME_OFFSET(x0, y0))>>1);
 191                 u32 rgb = GPU_RGB16(packet.U4[0]);
 192                 rgb |= (rgb<<16);
 193                 if (w0&1)
 194                 {
 195                         y0 = (FRAME_WIDTH - w0 +1)>>1;
 196                         w0>>=1;
 197                         do {
 198                                 x0=w0;
 199                                 do { *pixel++ = rgb; } while (--x0);
 200                                 *((u16*)pixel) = (u16)rgb;
 201                                 pixel += y0;
 202                         } while (--h0);
 203                 }
 204                 else
 205                 {
 206                         y0 = (FRAME_WIDTH - w0)>>1;
 207                         w0>>=1;
 208                         do {
 209                                 x0=w0;
 210                                 do { *pixel++ = rgb; } while (--x0);
 211                                 pixel += y0;
 212                         } while (--h0);
 213                 }
 214         }
 215 }