diff options
| -rw-r--r-- | sys/dev/fb/splash_pcx.c | 344 |
1 files changed, 176 insertions, 168 deletions
diff --git a/sys/dev/fb/splash_pcx.c b/sys/dev/fb/splash_pcx.c index 92dceb4..e67bb24 100644 --- a/sys/dev/fb/splash_pcx.c +++ b/sys/dev/fb/splash_pcx.c @@ -40,224 +40,232 @@ #include <dev/fb/fbreg.h> #include <dev/fb/splashreg.h> -#define FADE_TIMEOUT 300 /* sec */ - static int splash_mode = -1; static int splash_on = FALSE; static int pcx_start(video_adapter_t *adp); static int pcx_end(video_adapter_t *adp); static int pcx_splash(video_adapter_t *adp, int on); -static int pcx_init(char *data, int sdepth); +static int pcx_init(void *data, int sdepth); static int pcx_draw(video_adapter_t *adp); static splash_decoder_t pcx_decoder = { - "splash_pcx", pcx_start, pcx_end, pcx_splash, SPLASH_IMAGE, + .name = "splash_pcx", + .init = pcx_start, + .term = pcx_end, + .splash = pcx_splash, + .data_type = SPLASH_IMAGE, }; SPLASH_DECODER(splash_pcx, pcx_decoder); -static struct -{ - int width, height, bpsl; - int bpp, planes, zlen; - const u_char *zdata; - u_char *palette; +static struct { + int width; + int height; + int bpsl; + int bpp; + int planes; + int zlen; + const uint8_t *zdata; + uint8_t *palette; } pcx_info; -static int +static int pcx_start(video_adapter_t *adp) { - static int modes[] = { - M_VGA_CG320, - M_VESA_CG640x480, - M_VESA_CG800x600, - M_VESA_CG1024x768, - -1, - }; - video_info_t info; - int i; + static int modes[] = { + M_VGA_CG320, + M_VESA_CG640x480, + M_VESA_CG800x600, + M_VESA_CG1024x768, + -1, + }; + video_info_t info; + int i; - if (pcx_decoder.data == NULL - || pcx_decoder.data_size <= 0 - || pcx_init((u_char *)pcx_decoder.data, pcx_decoder.data_size)) - return ENODEV; + if (pcx_decoder.data == NULL || + pcx_decoder.data_size <= 0 || + pcx_init(pcx_decoder.data, pcx_decoder.data_size)) + return (ENODEV); - if (bootverbose) - printf("splash_pcx: image good:\n" - " width = %d\n" - " height = %d\n" - " depth = %d\n" - " planes = %d\n", - pcx_info.width, pcx_info.height, - pcx_info.bpp, pcx_info.planes); - - for (i = 0; modes[i] >= 0; ++i) { - if (get_mode_info(adp, modes[i], &info) != 0) - continue; if (bootverbose) - printf("splash_pcx: considering mode %d:\n" - " vi_width = %d\n" - " vi_height = %d\n" - " vi_depth = %d\n" - " vi_planes = %d\n", - modes[i], - info.vi_width, info.vi_height, - info.vi_depth, info.vi_planes); - if (info.vi_width >= pcx_info.width - && info.vi_height >= pcx_info.height - && info.vi_depth == pcx_info.bpp - && info.vi_planes == pcx_info.planes) - break; - } - - splash_mode = modes[i]; - if (splash_mode == -1) - return ENODEV; - if (bootverbose) - printf("pcx_splash: selecting mode %d\n", splash_mode); - return 0; + printf("splash_pcx: image good:\n" + " width = %d\n" + " height = %d\n" + " depth = %d\n" + " planes = %d\n", + pcx_info.width, pcx_info.height, + pcx_info.bpp, pcx_info.planes); + + for (i = 0; modes[i] >= 0; ++i) { + if (get_mode_info(adp, modes[i], &info) != 0) + continue; + if (bootverbose) + printf("splash_pcx: considering mode %d:\n" + " vi_width = %d\n" + " vi_height = %d\n" + " vi_depth = %d\n" + " vi_planes = %d\n", + modes[i], + info.vi_width, info.vi_height, + info.vi_depth, info.vi_planes); + if (info.vi_width >= pcx_info.width + && info.vi_height >= pcx_info.height + && info.vi_depth == pcx_info.bpp + && info.vi_planes == pcx_info.planes) + break; + } + + splash_mode = modes[i]; + if (splash_mode == -1) + return (ENODEV); + if (bootverbose) + printf("splash_pcx: selecting mode %d\n", splash_mode); + return (0); } static int pcx_end(video_adapter_t *adp) { - /* nothing to do */ - return 0; + /* nothing to do */ + return (0); } static int pcx_splash(video_adapter_t *adp, int on) { - if (on) { - if (!splash_on) { - if (set_video_mode(adp, splash_mode) || pcx_draw(adp)) - return 1; - splash_on = TRUE; + if (on) { + if (!splash_on) { + if (set_video_mode(adp, splash_mode) || pcx_draw(adp)) + return 1; + splash_on = TRUE; + } + return (0); + } else { + splash_on = FALSE; + return (0); } - return 0; - } else { - splash_on = FALSE; - return 0; - } } -struct pcxheader { - u_char manufactor; - u_char version; - u_char encoding; - u_char bpp; - u_short xmin, ymin, xmax, ymax; - u_short hres, vres; - u_char colormap[48]; - u_char rsvd; - u_char nplanes; - u_short bpsl; - u_short palinfo; - u_short hsize, vsize; +struct pcx_header { + uint8_t manufactor; + uint8_t version; + uint8_t encoding; + uint8_t bpp; + uint16_t xmin; + uint16_t ymin; + uint16_t xmax; + uint16_t ymax; + uint16_t hres; + uint16_t vres; + uint8_t colormap[48]; + uint8_t rsvd; + uint8_t nplanes; + uint16_t bpsl; + uint16_t palinfo; + uint16_t hsize; + uint16_t vsize; }; #define MAXSCANLINE 1024 static int -pcx_init(char *data, int size) +pcx_init(void *data, int size) { - const struct pcxheader *hdr; - - hdr = (const struct pcxheader *)data; + const struct pcx_header *hdr = data; - if (size < 128 + 1 + 1 + 768 - || hdr->manufactor != 10 - || hdr->version != 5 - || hdr->encoding != 1 - || hdr->nplanes != 1 - || hdr->bpp != 8 - || hdr->bpsl > MAXSCANLINE - || data[size-769] != 12) { - printf("splash_pcx: invalid PCX image\n"); - return 1; - } - pcx_info.width = hdr->xmax - hdr->xmin + 1; - pcx_info.height = hdr->ymax - hdr->ymin + 1; - pcx_info.bpsl = hdr->bpsl; - pcx_info.bpp = hdr->bpp; - pcx_info.planes = hdr->nplanes; - pcx_info.zlen = size - (128 + 1 + 768); - pcx_info.zdata = data + 128; - pcx_info.palette = data + size - 768; - return 0; + if (size < 128 + 1 + 1 + 768 || + hdr->manufactor != 10 || + hdr->version != 5 || + hdr->encoding != 1 || + hdr->nplanes != 1 || + hdr->bpp != 8 || + hdr->bpsl > MAXSCANLINE || + ((uint8_t *)data)[size - 769] != 12) { + printf("splash_pcx: invalid PCX image\n"); + return (1); + } + pcx_info.width = hdr->xmax - hdr->xmin + 1; + pcx_info.height = hdr->ymax - hdr->ymin + 1; + pcx_info.bpsl = hdr->bpsl; + pcx_info.bpp = hdr->bpp; + pcx_info.planes = hdr->nplanes; + pcx_info.zlen = size - (128 + 1 + 768); + pcx_info.zdata = (uint8_t *)data + 128; + pcx_info.palette = (uint8_t *)data + size - 768; + return (0); } static int pcx_draw(video_adapter_t *adp) { - u_char *vidmem; - int swidth, sheight, sbpsl, sdepth, splanes; - int banksize, origin; - int c, i, j, pos, scan, x, y; - u_char line[MAXSCANLINE]; - - if (pcx_info.zlen < 1) - return 1; + uint8_t *vidmem; + int swidth, sheight, sbpsl, sdepth, splanes; + int banksize, origin; + int c, i, j, pos, scan, x, y; + uint8_t line[MAXSCANLINE]; - load_palette(adp, pcx_info.palette); - - vidmem = (u_char *)adp->va_window; - swidth = adp->va_info.vi_width; - sheight = adp->va_info.vi_height; - sbpsl = adp->va_line_width; - sdepth = adp->va_info.vi_depth; - splanes = adp->va_info.vi_planes; - banksize = adp->va_window_size; - - for (origin = 0; origin < sheight*sbpsl; origin += banksize) { - set_origin(adp, origin); - bzero(vidmem, banksize); - } - - x = (swidth - pcx_info.width) / 2; - y = (sheight - pcx_info.height) / 2; - origin = 0; - pos = y * sbpsl + x; - while (pos > banksize) { - pos -= banksize; - origin += banksize; - } - set_origin(adp, origin); - - for (scan = i = 0; scan < pcx_info.height; ++scan, ++y, pos += sbpsl) { - for (j = 0; j < pcx_info.bpsl && i < pcx_info.zlen; ++i) { - if ((pcx_info.zdata[i] & 0xc0) == 0xc0) { - c = pcx_info.zdata[i++] & 0x3f; - if (i >= pcx_info.zlen) - return 1; - } else { - c = 1; - } - if (j + c > pcx_info.bpsl) - return 1; - while (c--) - line[j++] = pcx_info.zdata[i]; + if (pcx_info.zlen < 1) + return (1); + + load_palette(adp, pcx_info.palette); + + vidmem = (uint8_t *)adp->va_window; + swidth = adp->va_info.vi_width; + sheight = adp->va_info.vi_height; + sbpsl = adp->va_line_width; + sdepth = adp->va_info.vi_depth; + splanes = adp->va_info.vi_planes; + banksize = adp->va_window_size; + + for (origin = 0; origin < sheight*sbpsl; origin += banksize) { + set_origin(adp, origin); + bzero(vidmem, banksize); } - if (pos > banksize) { - origin += banksize; - pos -= banksize; - set_origin(adp, origin); + x = (swidth - pcx_info.width) / 2; + y = (sheight - pcx_info.height) / 2; + origin = 0; + pos = y * sbpsl + x; + while (pos > banksize) { + pos -= banksize; + origin += banksize; } + set_origin(adp, origin); - if (pos + pcx_info.width > banksize) { - /* scanline crosses bank boundary */ - j = banksize - pos; - bcopy(line, vidmem + pos, j); - origin += banksize; - pos -= banksize; - set_origin(adp, origin); - bcopy(line + j, vidmem, pcx_info.width - j); - } else { - bcopy(line, vidmem + pos, pcx_info.width); + for (scan = i = 0; scan < pcx_info.height; ++scan, ++y, pos += sbpsl) { + for (j = 0; j < pcx_info.bpsl && i < pcx_info.zlen; ++i) { + if ((pcx_info.zdata[i] & 0xc0) == 0xc0) { + c = pcx_info.zdata[i++] & 0x3f; + if (i >= pcx_info.zlen) + return (1); + } else { + c = 1; + } + if (j + c > pcx_info.bpsl) + return (1); + while (c--) + line[j++] = pcx_info.zdata[i]; + } + + if (pos > banksize) { + origin += banksize; + pos -= banksize; + set_origin(adp, origin); + } + + if (pos + pcx_info.width > banksize) { + /* scanline crosses bank boundary */ + j = banksize - pos; + bcopy(line, vidmem + pos, j); + origin += banksize; + pos -= banksize; + set_origin(adp, origin); + bcopy(line + j, vidmem, pcx_info.width - j); + } else { + bcopy(line, vidmem + pos, pcx_info.width); + } } - } - return 0; + return (0); } |
