static int FillHWRect(_THIS, SDL_Surface * dst, SDL_Rect * rect, Uint32 color) { int dstX, dstY; Uint32 fxbndry; Uint32 ydstlen; Uint32 fillop; /* Don't blit to the display surface when switched away */ if (switched_away) { return -2; /* no hardware access */ } if (dst == this->screen) { SDL_mutexP(hw_lock); } switch (dst->format->BytesPerPixel) { case 1: color |= (color << 8); case 2: color |= (color << 16); break; } /* Set up the X/Y base coordinates */ FB_dst_to_xy(this, dst, &dstX, &dstY); /* Adjust for the current rectangle */ dstX += rect->x; dstY += rect->y; /* Set up the X boundaries */ fxbndry = (dstX | ((dstX + rect->w) << 16)); /* Set up the Y boundaries */ ydstlen = (rect->h | (dstY << 16)); /* Set up for color fill operation */ fillop = MGADWG_TRAP | MGADWG_SOLID | MGADWG_ARZERO | MGADWG_SGNZERO | MGADWG_SHIFTZERO; /* Execute the operations! */ mga_wait(5); mga_out32(MGAREG_DWGCTL, fillop | MGADWG_REPLACE); mga_out32(MGAREG_FCOL, color); mga_out32(MGAREG_FXBNDRY, fxbndry); mga_out32(MGAREG_YDSTLEN + MGAREG_EXEC, ydstlen); FB_AddBusySurface(dst); if (dst == this->screen) { SDL_mutexV(hw_lock); } return (0); }
static int FillHWRect(_THIS, GAL_Surface *dst, GAL_Rect *rect, Uint32 color) { int dstX, dstY; Uint32 fxbndry; Uint32 ydstlen; Uint32 fillop; switch (dst->format->BytesPerPixel) { case 1: color |= (color<<8); case 2: color |= (color<<16); break; } /* Set up the X/Y base coordinates */ FB_dst_to_xy(this, dst, &dstX, &dstY); /* Adjust for the current rectangle */ dstX += rect->x; dstY += rect->y; /* Set up the X boundaries */ fxbndry = (dstX | ((dstX+rect->w) << 16)); /* Set up the Y boundaries */ ydstlen = (rect->h | (dstY << 16)); /* Set up for color fill operation */ fillop = MGADWG_TRAP | MGADWG_SOLID | MGADWG_ARZERO | MGADWG_SGNZERO | MGADWG_SHIFTZERO; /* Execute the operations! */ mga_wait(5); mga_out32(MGAREG_DWGCTL, fillop | MGADWG_REPLACE); mga_out32(MGAREG_FCOL, color); mga_out32(MGAREG_FXBNDRY, fxbndry); mga_out32(MGAREG_YDSTLEN + MGAREG_EXEC, ydstlen); FB_AddBusySurface(dst); return(0); }
static int HWAccelBlit(SDL_Surface *src, SDL_Rect *srcrect, SDL_Surface *dst, SDL_Rect *dstrect) { SDL_VideoDevice *this = current_video; int pitch, w, h; int srcX, srcY; int dstX, dstY; Uint32 sign; Uint32 start, stop; int skip; Uint32 blitop; /* FIXME: For now, only blit to display surface */ if ( dst->pitch != SDL_VideoSurface->pitch ) { return(src->map->sw_blit(src, srcrect, dst, dstrect)); } /* Don't blit to the display surface when switched away */ if ( dst == this->screen ) { SDL_mutexP(hw_lock); } /* Calculate source and destination base coordinates (in pixels) */ w = dstrect->w; h = dstrect->h; FB_dst_to_xy(this, src, &srcX, &srcY); FB_dst_to_xy(this, dst, &dstX, &dstY); /* Adjust for the current blit rectangles */ srcX += srcrect->x; srcY += srcrect->y; dstX += dstrect->x; dstY += dstrect->y; pitch = dst->pitch/dst->format->BytesPerPixel; /* Set up the blit direction (sign) flags */ sign = 0; if ( srcX < dstX ) { sign |= 1; } if ( srcY < dstY ) { sign |= 4; srcY += (h - 1); dstY += (h - 1); } /* Set up the blit source row start, end, and skip (in pixels) */ stop = start = (srcY * pitch) + srcX; if ( srcX < dstX ) { start += (w - 1); } else { stop += (w - 1); } if ( srcY < dstY ) { skip = -pitch; } else { skip = pitch; } /* Set up the blit operation */ if ( (src->flags & SDL_SRCCOLORKEY) == SDL_SRCCOLORKEY ) { Uint32 colorkey; blitop = MGADWG_BFCOL | MGADWG_BITBLT | MGADWG_SHIFTZERO | MGADWG_RSTR | (0x0C << 16) | MGADWG_TRANSC; colorkey = src->format->colorkey; switch (dst->format->BytesPerPixel) { case 1: colorkey |= (colorkey<<8); case 2: colorkey |= (colorkey<<16); break; } mga_wait(2); mga_out32(MGAREG_FCOL, colorkey); mga_out32(MGAREG_BCOL, 0xFFFFFFFF); } else { blitop = MGADWG_BFCOL | MGADWG_BITBLT | MGADWG_SHIFTZERO | MGADWG_RSTR | (0x0C << 16); } mga_wait(7); mga_out32(MGAREG_SGN, sign); mga_out32(MGAREG_AR3, start); mga_out32(MGAREG_AR0, stop); mga_out32(MGAREG_AR5, skip); mga_out32(MGAREG_FXBNDRY, (dstX | ((dstX + w-1) << 16))); mga_out32(MGAREG_YDSTLEN, (dstY << 16) | h); mga_out32(MGAREG_DWGCTL + MGAREG_EXEC, blitop); FB_AddBusySurface(src); FB_AddBusySurface(dst); if ( dst == this->screen ) { SDL_mutexV(hw_lock); } return(0); }