plugins/gpu_senquack/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 #ifndef __GPU_UNAI_GPU_RASTER_IMAGE_H__
  22 #define __GPU_UNAI_GPU_RASTER_IMAGE_H__
  23
  24 ///////////////////////////////////////////////////////////////////////////////
  25 #ifndef USE_GPULIB
  26 void gpuLoadImage(PtrUnion packet)
  27 {
  28         u16 x0, y0, w0, h0;
  29         x0 = packet.U2[2] & 1023;
  30         y0 = packet.U2[3] & 511;
  31         w0 = packet.U2[4];
  32         h0 = packet.U2[5];
  33
  34         if ((y0 + h0) > FRAME_HEIGHT)
  35         {
  36                 h0 = FRAME_HEIGHT - y0;
  37         }
  38
  39         gpu_senquack.dma.FrameToWrite = ((w0)&&(h0));
  40
  41         gpu_senquack.dma.px = 0;
  42         gpu_senquack.dma.py = 0;
  43         gpu_senquack.dma.x_end = w0;
  44         gpu_senquack.dma.y_end = h0;
  45         gpu_senquack.dma.pvram = &((u16*)gpu_senquack.vram)[x0+(y0*1024)];
  46
  47         gpu_senquack.GPU_GP1 |= 0x08000000;
  48 }
  49 #endif // !USE_GPULIB
  50
  51 ///////////////////////////////////////////////////////////////////////////////
  52 #ifndef USE_GPULIB
  53 void gpuStoreImage(PtrUnion packet)
  54 {
  55         u16 x0, y0, w0, h0;
  56         x0 = packet.U2[2] & 1023;
  57         y0 = packet.U2[3] & 511;
  58         w0 = packet.U2[4];
  59         h0 = packet.U2[5];
  60
  61         if ((y0 + h0) > FRAME_HEIGHT)
  62         {
  63                 h0 = FRAME_HEIGHT - y0;
  64         }
  65         gpu_senquack.dma.FrameToRead = ((w0)&&(h0));
  66
  67         gpu_senquack.dma.px = 0;
  68         gpu_senquack.dma.py = 0;
  69         gpu_senquack.dma.x_end = w0;
  70         gpu_senquack.dma.y_end = h0;
  71         gpu_senquack.dma.pvram = &((u16*)gpu_senquack.vram)[x0+(y0*1024)];
  72
  73         gpu_senquack.GPU_GP1 |= 0x08000000;
  74 }
  75 #endif // !USE_GPULIB
  76
  77 void gpuMoveImage(PtrUnion packet)
  78 {
  79         u32 x0, y0, x1, y1;
  80         s32 w0, h0;
  81         x0 = packet.U2[2] & 1023;
  82         y0 = packet.U2[3] & 511;
  83         x1 = packet.U2[4] & 1023;
  84         y1 = packet.U2[5] & 511;
  85         w0 = packet.U2[6];
  86         h0 = packet.U2[7];
  87
  88         if( (x0==x1) && (y0==y1) ) return;
  89         if ((w0<=0) || (h0<=0)) return;
  90
  91         #ifdef ENABLE_GPU_LOG_SUPPORT
  92                 fprintf(stdout,"gpuMoveImage(x0=%u,y0=%u,x1=%u,y1=%u,w0=%d,h0=%d)\n",x0,y0,x1,y1,w0,h0);
  93         #endif
  94
  95         if (((y0+h0)>512)||((x0+w0)>1024)||((y1+h0)>512)||((x1+w0)>1024))
  96         {
  97                 u16 *psxVuw=gpu_senquack.vram;
  98                 s32 i,j;
  99             for(j=0;j<h0;j++)
 100                  for(i=0;i<w0;i++)
 101                   psxVuw [(1024*((y1+j)&511))+((x1+i)&0x3ff)]=
 102                    psxVuw[(1024*((y0+j)&511))+((x0+i)&0x3ff)];
 103         }
 104         else if ((x0&1)||(x1&1))
 105         {
 106                 u16 *lpDst, *lpSrc;
 107                 lpDst = lpSrc = (u16*)gpu_senquack.vram;
 108                 lpSrc += FRAME_OFFSET(x0, y0);
 109                 lpDst += FRAME_OFFSET(x1, y1);
 110                 x1 = FRAME_WIDTH - w0;
 111                 do {
 112                         x0=w0;
 113                         do { *lpDst++ = *lpSrc++; } while (--x0);
 114                         lpDst += x1;
 115                         lpSrc += x1;
 116                 } while (--h0);
 117         }
 118         else
 119         {
 120                 u32 *lpDst, *lpSrc;
 121                 lpDst = lpSrc = (u32*)(void*)gpu_senquack.vram;
 122                 lpSrc += ((FRAME_OFFSET(x0, y0))>>1);
 123                 lpDst += ((FRAME_OFFSET(x1, y1))>>1);
 124                 if (w0&1)
 125                 {
 126                         x1 = (FRAME_WIDTH - w0 +1)>>1;
 127                         w0>>=1;
 128                         if (!w0) {
 129                                 do {
 130                                         *((u16*)lpDst) = *((u16*)lpSrc);
 131                                         lpDst += x1;
 132                                         lpSrc += x1;
 133                                 } while (--h0);
 134                         } else
 135                         do {
 136                                 x0=w0;
 137                                 do { *lpDst++ = *lpSrc++; } while (--x0);
 138                                 *((u16*)lpDst) = *((u16*)lpSrc);
 139                                 lpDst += x1;
 140                                 lpSrc += x1;
 141                         } while (--h0);
 142                 }
 143                 else
 144                 {
 145                         x1 = (FRAME_WIDTH - w0)>>1;
 146                         w0>>=1;
 147                         do {
 148                                 x0=w0;
 149                                 do { *lpDst++ = *lpSrc++; } while (--x0);
 150                                 lpDst += x1;
 151                                 lpSrc += x1;
 152                         } while (--h0);
 153                 }
 154         }
 155 }
 156
 157 void gpuClearImage(PtrUnion packet)
 158 {
 159         s32   x0, y0, w0, h0;
 160         x0 = packet.S2[2];
 161         y0 = packet.S2[3];
 162         w0 = packet.S2[4] & 0x3ff;
 163         h0 = packet.S2[5] & 0x3ff;
 164
 165         w0 += x0;
 166         if (x0 < 0) x0 = 0;
 167         if (w0 > FRAME_WIDTH) w0 = FRAME_WIDTH;
 168         w0 -= x0;
 169         if (w0 <= 0) return;
 170         h0 += y0;
 171         if (y0 < 0) y0 = 0;
 172         if (h0 > FRAME_HEIGHT) h0 = FRAME_HEIGHT;
 173         h0 -= y0;
 174         if (h0 <= 0) return;
 175
 176         #ifdef ENABLE_GPU_LOG_SUPPORT
 177                 fprintf(stdout,"gpuClearImage(x0=%d,y0=%d,w0=%d,h0=%d)\n",x0,y0,w0,h0);
 178         #endif
 179
 180         if (x0&1)
 181         {
 182                 u16* pixel = (u16*)gpu_senquack.vram + FRAME_OFFSET(x0, y0);
 183                 u16 rgb = GPU_RGB16(packet.U4[0]);
 184                 y0 = FRAME_WIDTH - w0;
 185                 do {
 186                         x0=w0;
 187                         do { *pixel++ = rgb; } while (--x0);
 188                         pixel += y0;
 189                 } while (--h0);
 190         }
 191         else
 192         {
 193                 u32* pixel = (u32*)gpu_senquack.vram + ((FRAME_OFFSET(x0, y0))>>1);
 194                 u32 rgb = GPU_RGB16(packet.U4[0]);
 195                 rgb |= (rgb<<16);
 196                 if (w0&1)
 197                 {
 198                         y0 = (FRAME_WIDTH - w0 +1)>>1;
 199                         w0>>=1;
 200                         do {
 201                                 x0=w0;
 202                                 do { *pixel++ = rgb; } while (--x0);
 203                                 *((u16*)pixel) = (u16)rgb;
 204                                 pixel += y0;
 205                         } while (--h0);
 206                 }
 207                 else
 208                 {
 209                         y0 = (FRAME_WIDTH - w0)>>1;
 210                         w0>>=1;
 211                         do {
 212                                 x0=w0;
 213                                 do { *pixel++ = rgb; } while (--x0);
 214                                 pixel += y0;
 215                         } while (--h0);
 216                 }
 217         }
 218 }
 219
 220 #endif /* __GPU_UNAI_GPU_RASTER_IMAGE_H__ */