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 INLINE void gpuLoadImage(void)
  23 {
  24         u16 x0, y0, w0, h0;
  25         x0 = PacketBuffer.U2[2] & 1023;
  26         y0 = PacketBuffer.U2[3] & 511;
  27         w0 = PacketBuffer.U2[4];
  28         h0 = PacketBuffer.U2[5];
  29
  30         if ((y0 + h0) > FRAME_HEIGHT)
  31         {
  32                 h0 = FRAME_HEIGHT - y0;
  33         }
  34
  35         FrameToWrite = ((w0)&&(h0));
  36
  37         px = 0;
  38         py = 0;
  39         x_end = w0;
  40         y_end = h0;
  41         pvram = &((u16*)GPU_FrameBuffer)[x0+(y0*1024)];
  42
  43         GPU_GP1 |= 0x08000000;
  44 }
  45
  46 ///////////////////////////////////////////////////////////////////////////////
  47 INLINE void gpuStoreImage(void)
  48 {
  49         u16 x0, y0, w0, h0;
  50         x0 = PacketBuffer.U2[2] & 1023;
  51         y0 = PacketBuffer.U2[3] & 511;
  52         w0 = PacketBuffer.U2[4];
  53         h0 = PacketBuffer.U2[5];
  54
  55         if ((y0 + h0) > FRAME_HEIGHT)
  56         {
  57                 h0 = FRAME_HEIGHT - y0;
  58         }
  59         FrameToRead = ((w0)&&(h0));
  60
  61         px = 0;
  62         py = 0;
  63         x_end = w0;
  64         y_end = h0;
  65         pvram = &((u16*)GPU_FrameBuffer)[x0+(y0*1024)];
  66
  67         GPU_GP1 |= 0x08000000;
  68 }
  69
  70 INLINE void gpuMoveImage(void)
  71 {
  72         u32 x0, y0, x1, y1;
  73         s32 w0, h0;
  74         x0 = PacketBuffer.U2[2] & 1023;
  75         y0 = PacketBuffer.U2[3] & 511;
  76         x1 = PacketBuffer.U2[4] & 1023;
  77         y1 = PacketBuffer.U2[5] & 511;
  78         w0 = PacketBuffer.U2[6];
  79         h0 = PacketBuffer.U2[7];
  80
  81         if( (x0==x1) && (y0==y1) ) return;
  82         if ((w0<=0) || (h0<=0)) return;
  83
  84         if (((y0+h0)>512)||((x0+w0)>1024)||((y1+h0)>512)||((x1+w0)>1024))
  85         {
  86                 u16 *psxVuw=GPU_FrameBuffer;
  87                 s32 i,j;
  88             for(j=0;j<h0;j++)
  89                  for(i=0;i<w0;i++)
  90                   psxVuw [(1024*((y1+j)&511))+((x1+i)&0x3ff)]=
  91                    psxVuw[(1024*((y0+j)&511))+((x0+i)&0x3ff)];
  92         }
  93         else if ((x0&1)||(x1&1))
  94         {
  95                 u16 *lpDst, *lpSrc;
  96                 lpDst = lpSrc = (u16*)GPU_FrameBuffer;
  97                 lpSrc += FRAME_OFFSET(x0, y0);
  98                 lpDst += FRAME_OFFSET(x1, y1);
  99                 x1 = FRAME_WIDTH - w0;
 100                 do {
 101                         x0=w0;
 102                         do { *lpDst++ = *lpSrc++; } while (--x0);
 103                         lpDst += x1;
 104                         lpSrc += x1;
 105                 } while (--h0);
 106         }
 107         else
 108         {
 109                 u32 *lpDst, *lpSrc;
 110                 lpDst = lpSrc = (u32*)(void*)GPU_FrameBuffer;
 111                 lpSrc += ((FRAME_OFFSET(x0, y0))>>1);
 112                 lpDst += ((FRAME_OFFSET(x1, y1))>>1);
 113                 if (w0&1)
 114                 {
 115                         x1 = (FRAME_WIDTH - w0 +1)>>1;
 116                         w0>>=1;
 117                         if (!w0) {
 118                                 do {
 119                                         *((u16*)lpDst) = *((u16*)lpSrc);
 120                                         lpDst += x1;
 121                                         lpSrc += x1;
 122                                 } while (--h0);
 123                         } else
 124                         do {
 125                                 x0=w0;
 126                                 do { *lpDst++ = *lpSrc++; } while (--x0);
 127                                 *((u16*)lpDst) = *((u16*)lpSrc);
 128                                 lpDst += x1;
 129                                 lpSrc += x1;
 130                         } while (--h0);
 131                 }
 132                 else
 133                 {
 134                         x1 = (FRAME_WIDTH - w0)>>1;
 135                         w0>>=1;
 136                         do {
 137                                 x0=w0;
 138                                 do { *lpDst++ = *lpSrc++; } while (--x0);
 139                                 lpDst += x1;
 140                                 lpSrc += x1;
 141                         } while (--h0);
 142                 }
 143         }
 144 }
 145
 146 INLINE void gpuClearImage(void)
 147 {
 148         s32   x0, y0, w0, h0;
 149         x0 = PacketBuffer.S2[2];
 150         y0 = PacketBuffer.S2[3];
 151         w0 = PacketBuffer.S2[4] & 0x3ff;
 152         h0 = PacketBuffer.S2[5] & 0x3ff;
 153
 154         w0 += x0;
 155         if (x0 < 0) x0 = 0;
 156         if (w0 > FRAME_WIDTH) w0 = FRAME_WIDTH;
 157         w0 -= x0;
 158         if (w0 <= 0) return;
 159         h0 += y0;
 160         if (y0 < 0) y0 = 0;
 161         if (h0 > FRAME_HEIGHT) h0 = FRAME_HEIGHT;
 162         h0 -= y0;
 163         if (h0 <= 0) return;
 164
 165         if (x0&1)
 166         {
 167                 u16* pixel = (u16*)GPU_FrameBuffer + FRAME_OFFSET(x0, y0);
 168                 u16 rgb = GPU_RGB16(PacketBuffer.S4[0]);
 169                 y0 = FRAME_WIDTH - w0;
 170                 do {
 171                         x0=w0;
 172                         do { *pixel++ = rgb; } while (--x0);
 173                         pixel += y0;
 174                 } while (--h0);
 175         }
 176         else
 177         {
 178                 u32* pixel = (u32*)(void*)GPU_FrameBuffer + ((FRAME_OFFSET(x0, y0))>>1);
 179                 u32 rgb = GPU_RGB16(PacketBuffer.S4[0]);
 180                 rgb |= (rgb<<16);
 181                 if (w0&1)
 182                 {
 183                         y0 = (FRAME_WIDTH - w0 +1)>>1;
 184                         w0>>=1;
 185                         do {
 186                                 x0=w0;
 187                                 do { *pixel++ = rgb; } while (--x0);
 188                                 *((u16*)pixel) = (u16)rgb;
 189                                 pixel += y0;
 190                         } while (--h0);
 191                 }
 192                 else
 193                 {
 194                         y0 = (FRAME_WIDTH - w0)>>1;
 195                         w0>>=1;
 196                         do {
 197                                 x0=w0;
 198                                 do { *pixel++ = rgb; } while (--x0);
 199                                 pixel += y0;
 200                         } while (--h0);
 201                 }
 202         }
 203 }