static int do_dbstuff(struct ggi_visual *vis) { ggi_palemu_priv *priv = PALEMU_PRIV(vis); int i; /* allocate memory */ priv->frame_size = LIBGGI_FB_SIZE(LIBGGI_MODE(vis)); priv->fb_size = priv->frame_size * LIBGGI_MODE(vis)->frames; priv->fb_ptr = malloc((size_t)priv->fb_size); DPRINT_MODE("display-palemu: fb=%p size=%d frame=%d\n", priv->fb_ptr, priv->fb_size, priv->frame_size); if (priv->fb_ptr == NULL) { fprintf(stderr, "display-palemu: Out of memory.\n"); return GGI_ENOMEM; } /* clear all frames */ memset(priv->fb_ptr, 0, (size_t)priv->fb_size); /* set up pixel format */ memset(LIBGGI_PIXFMT(vis), 0, sizeof(ggi_pixelformat)); setup_pixfmt(LIBGGI_PIXFMT(vis), LIBGGI_GT(vis)); _ggi_build_pixfmt(LIBGGI_PIXFMT(vis)); /* set up direct buffers */ for (i=0; i < LIBGGI_MODE(vis)->frames; i++) { ggi_directbuffer *buf; _ggi_db_add_buffer(LIBGGI_PRIVLIST(vis), _ggi_db_get_new()); buf = LIBGGI_PRIVBUFS(vis)[i]; buf->frame = i; buf->type = GGI_DB_NORMAL | GGI_DB_SIMPLE_PLB; buf->read = (char *) priv->fb_ptr + i * priv->frame_size; buf->write = buf->read; buf->layout = blPixelLinearBuffer; buf->buffer.plb.stride = GT_ByPPP(LIBGGI_VIRTX(vis), LIBGGI_GT(vis)); buf->buffer.plb.pixelformat = LIBGGI_PIXFMT(vis); } /* Set up palette */ if (LIBGGI_PAL(vis)->clut.data) { free(LIBGGI_PAL(vis)->clut.data); LIBGGI_PAL(vis)->clut.data = NULL; } if (GT_SCHEME(LIBGGI_GT(vis)) == GT_PALETTE) { LIBGGI_PAL(vis)->clut.data = _ggi_malloc((1 << GT_DEPTH(LIBGGI_GT(vis))) * sizeof(ggi_color)); LIBGGI_PAL(vis)->clut.size = 1 << GT_DEPTH(LIBGGI_GT(vis)); } return 0; }
int GGI_vgl_setmode(ggi_visual *vis, ggi_mode *tm) { struct vgl_priv *priv = VGL_PRIV(vis); ggi_graphtype gt = tm->graphtype; video_info_t modeinfo; unsigned long modenum = 0; char sugname[GGI_MAX_APILEN]; char args[GGI_MAX_APILEN]; int err = 0; int id, i; int pixelBytes; err = GGI_vgl_checkmode(vis, tm); if (err) return err; /* reset the modeinfo structure as expected by query_mode */ memset(&modeinfo, 0, sizeof(modeinfo)); switch(gt) { case GT_1BIT : modeinfo.vi_depth = 1; pixelBytes = 1; break; case GT_4BIT : modeinfo.vi_depth = 4; pixelBytes = 1; break; case GT_8BIT : modeinfo.vi_depth = 8; pixelBytes = 1; break; case GT_16BIT: modeinfo.vi_depth = 16; pixelBytes = 2; break; case GT_32BIT: modeinfo.vi_depth = 32; pixelBytes = 4; break; /* Unsupported mode depths */ case GT_15BIT: case GT_24BIT: default: return GGI_ENOMATCH; } modeinfo.vi_width = tm->visible.x; modeinfo.vi_height = tm->visible.y; /* XXX should be added to libvgl */ if (ioctl(0, FBIO_FINDMODE, &modeinfo)) return -1; DPRINT("Setting VGLlib mode %d (0x%x)\n", modeinfo.vi_mode, modeinfo.vi_mode); /* Terminate any current mode before initialising another */ if (priv->vgl_init_done) { priv->vgl_init_done = 0; VGLEnd(); } /* XXX should be in VGL */ if ((modeinfo.vi_mode >= M_B40x25) && (modeinfo.vi_mode <= M_VGA_M90x60)) modenum = _IO('S', modeinfo.vi_mode); if ((modeinfo.vi_mode >= M_TEXT_80x25) && (modeinfo.vi_mode <= M_TEXT_132x60)) modenum = _IO('S', modeinfo.vi_mode); if ((modeinfo.vi_mode >= M_VESA_CG640x400) && (modeinfo.vi_mode <= M_VESA_FULL_1280)) modenum = _IO('V', modeinfo.vi_mode - M_VESA_BASE); if ((err = VGLInit(modenum)) != 0) { DPRINT("display-vgl: setting mode 0x%x failed with error %d\n", modeinfo.vi_mode, err); return GGI_EFATAL; } priv->vgl_init_done = 1; if (priv->vgl_use_db) { _GGI_vgl_freedbs(vis); /* Set up DirectBuffer(s) */ for (i = 0; i<tm->frames; i++) { if (LIBGGI_FB_SIZE(tm) > (unsigned)(VGLDisplay->Xsize*VGLDisplay->Ysize* pixelBytes)) { fprintf(stderr, "display-vgl: framebuffer too large! (%d > %d*%d*%d)\n", LIBGGI_FB_SIZE(tm), VGLDisplay->Xsize, VGLDisplay->Ysize, pixelBytes); return GGI_ENOMEM; } _ggi_db_add_buffer(LIBGGI_APPLIST(vis), _ggi_db_get_new()); LIBGGI_APPBUFS(vis)[i]->frame = i; LIBGGI_APPBUFS(vis)[i]->type = GGI_DB_NORMAL | GGI_DB_SIMPLE_PLB; LIBGGI_APPBUFS(vis)[i]->read = VGLDisplay->Bitmap; LIBGGI_APPBUFS(vis)[i]->write = VGLDisplay->Bitmap; LIBGGI_APPBUFS(vis)[i]->layout = blPixelLinearBuffer; LIBGGI_APPBUFS(vis)[i]->buffer.plb.stride = GT_ByPPP(tm->virt.x, tm->graphtype); } } /* Save mode info returned by the VESA driver */ bcopy(&modeinfo, &priv->modeinfo, sizeof(priv->modeinfo)); /* Palette */ if (vis->palette) { free(vis->palette); vis->palette = NULL; } if (priv->savepalette) { free(priv->savepalette); priv->savepalette = NULL; } if (GT_SCHEME(tm->graphtype) == GT_PALETTE) { int len = 1 << GT_DEPTH(tm->graphtype); vis->palette = malloc(len * sizeof(ggi_color)); if (vis->palette == NULL) return GGI_EFATAL; priv->savepalette = malloc(sizeof(int) * (len*3)); if (priv->savepalette == NULL) return GGI_EFATAL; /* Set an initial palette */ ggiSetColorfulPalette(vis); } /* Set up pixel format */ memset(LIBGGI_PIXFMT(vis), 0, sizeof(ggi_pixelformat)); LIBGGI_PIXFMT(vis)->size = GT_SIZE(gt); LIBGGI_PIXFMT(vis)->depth = GT_DEPTH(gt); switch (GT_SCHEME(gt)) { case GT_PALETTE: case GT_GREYSCALE: LIBGGI_PIXFMT(vis)->clut_mask = (1 << GT_DEPTH(gt)) - 1; break; case GT_TRUECOLOR: DPRINT_MODE("display-vgl: RGB %d:%d:%d offsets %d:%d:%d\n", priv->modeinfo.vi_pixel_fsizes[VGL_RED_INDEX], priv->modeinfo.vi_pixel_fsizes[VGL_GREEN_INDEX], priv->modeinfo.vi_pixel_fsizes[VGL_BLUE_INDEX], priv->modeinfo.vi_pixel_fields[VGL_RED_INDEX], priv->modeinfo.vi_pixel_fields[VGL_GREEN_INDEX], priv->modeinfo.vi_pixel_fields[VGL_BLUE_INDEX]); LIBGGI_PIXFMT(vis)->red_mask = ((1 << priv->modeinfo.vi_pixel_fsizes[VGL_RED_INDEX]) - 1) << priv->modeinfo.vi_pixel_fields[VGL_RED_INDEX]; LIBGGI_PIXFMT(vis)->green_mask = ((1 << priv->modeinfo.vi_pixel_fsizes[VGL_GREEN_INDEX]) - 1) << priv->modeinfo.vi_pixel_fields[VGL_GREEN_INDEX]; LIBGGI_PIXFMT(vis)->blue_mask = ((1 << priv->modeinfo.vi_pixel_fsizes[VGL_BLUE_INDEX]) - 1) << priv->modeinfo.vi_pixel_fields[VGL_BLUE_INDEX]; break; case GT_TEXT: /* Assumes VGA text */ LIBGGI_PIXFMT(vis)->texture_mask = 0x00ff; LIBGGI_PIXFMT(vis)->fg_mask = 0x0f00; LIBGGI_PIXFMT(vis)->bg_mask = 0xf000; break; } _ggi_build_pixfmt(LIBGGI_PIXFMT(vis)); memcpy(LIBGGI_MODE(vis),tm,sizeof(ggi_mode)); _ggiZapMode(vis, 0); for(id = 1; 0 == GGI_vgl_getapi(vis, id, sugname, args); id++) { if (_ggiOpenDL(vis, _ggiGetConfigHandle(), sugname, args, NULL)) { fprintf(stderr,"display-vgl: Can't open the %s (%s) library.\n", sugname, args); return GGI_EFATAL; } else { DPRINT("Success in loading %s (%s)\n", sugname, args); } } if (!priv->vgl_use_db) { vis->opdraw->putpixel = GGI_vgl_putpixel; vis->opdraw->putpixel_nc = GGI_vgl_putpixel_nc; vis->opdraw->getpixel = GGI_vgl_getpixel; vis->opdraw->drawpixel = GGI_vgl_drawpixel; vis->opdraw->drawpixel_nc = GGI_vgl_drawpixel_nc; vis->opdraw->drawhline = GGI_vgl_drawhline; vis->opdraw->drawhline_nc = GGI_vgl_drawhline_nc; vis->opdraw->drawvline = GGI_vgl_drawvline; vis->opdraw->drawvline_nc = GGI_vgl_drawvline_nc; vis->opdraw->drawbox = GGI_vgl_drawbox; vis->opdraw->drawline = GGI_vgl_drawline; vis->opdraw->puthline = GGI_vgl_puthline; vis->opdraw->putbox = GGI_vgl_putbox; } else { vis->opdraw->setorigin = GGI_vgl_setorigin; } if (GT_SCHEME(tm->graphtype) == GT_PALETTE) { vis->opcolor->setpalvec = GGI_vgl_setpalvec; } if(priv->vgl_use_db) { for(i = 0; i<tm->frames; i++) LIBGGI_APPBUFS(vis)[i]->buffer.plb.pixelformat = LIBGGI_PIXFMT(vis); } ggiIndicateChange(vis, GGI_CHG_APILIST); return 0; }