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-rw-r--r--package/system/utils/fbtest/src/fbtest.c448
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diff --git a/package/system/utils/fbtest/src/fbtest.c b/package/system/utils/fbtest/src/fbtest.c
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-/******************************************************************************
- * fbtest - fbtest.c
- * test program for the tuxbox-framebuffer device
- * tests all GTX/eNX supported modes
- *
- * (c) 2003 Carsten Juttner (carjay@gmx.net)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * The Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- ******************************************************************************
- * $Id: fbtest.c,v 1.5 2005/01/14 23:14:41 carjay Exp $
- ******************************************************************************/
-
-// TODO: - should restore the colour map and mode to what it was before
-// - is colour map handled correctly?
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/ioctl.h>
-#include <sys/mman.h>
-#include <fcntl.h>
-
-#include <linux/fb.h>
-
-#include <error.h>
-
-#define FBDEV "/dev/fb0"
-
-struct vidsize{
- int width;
- int height;
-};
-static
-const struct vidsize vidsizetable[]={ // all supported sizes
- {720,576},{720,480},{720,288},{720,240},
- {640,576},{640,480},{640,288},{640,240},
- {360,576},{360,480},{360,288},{360,240},
- {320,576},{320,480},{320,288},{320,240}
-};
-#define VIDSIZENUM (sizeof(vidsizetable)/sizeof(struct vidsize))
-
-enum pixenum{ // keep in sync with pixname !
- CLUT4=0,
- CLUT8,
- RGB565,
- ARGB1555,
- ARGB
-};
-const char *pixname[] = {
- "CLUT4",
- "CLUT8",
- "RGB565",
- "ARGB1555",
- "ARGB"
-};
-
-struct pixelformat{
- char *name;
- struct fb_bitfield red;
- struct fb_bitfield green;
- struct fb_bitfield blue;
- struct fb_bitfield transp;
- char bpp;
- char pixenum;
-};
-
-static // so far these are all modes supported by the eNX (only partially by GTX)
-const struct pixelformat pixelformattable[] = {
- { .name = "CLUT4 ARGB8888", // CLUT4 (ARGB8888)
- .bpp = 4, .pixenum = CLUT4,
- .red = { .offset = 0, .length=8, .msb_right =0 },
- .green = { .offset = 0, .length=8, .msb_right =0 },
- .blue = { .offset = 0, .length=8, .msb_right =0 },
- .transp= { .offset = 0, .length=8, .msb_right =0 }
- },
- { .name = "CLUT4 ARGB1555", // CLUT4 (ARGB1555)
- .bpp = 4, .pixenum = CLUT4,
- .red = { .offset = 0, .length=5, .msb_right =0 },
- .green = { .offset = 0, .length=5, .msb_right =0 },
- .blue = { .offset = 0, .length=5, .msb_right =0 },
- .transp= { .offset = 0, .length=1, .msb_right =0 }
- },
- { .name = "CLUT8 ARGB8888", // CLUT8 (ARGB8888)
- .bpp = 8, .pixenum = CLUT8,
- .red = { .offset = 0, .length=8, .msb_right =0 },
- .green = { .offset = 0, .length=8, .msb_right =0 },
- .blue = { .offset = 0, .length=8, .msb_right =0 },
- .transp= { .offset = 0, .length=8, .msb_right =0 }
- },
- { .name = "CLUT8 ARGB1555", // CLUT8 (ARGB1555)
- .bpp = 8, .pixenum = CLUT8,
- .red = { .offset = 0, .length=5, .msb_right =0 },
- .green = { .offset = 0, .length=5, .msb_right =0 },
- .blue = { .offset = 0, .length=5, .msb_right =0 },
- .transp= { .offset = 0, .length=1, .msb_right =0 }
- },
- { .name = "ARGB1555", // ARGB1555
- .bpp = 16, .pixenum = ARGB1555,
- .red = { .offset = 10, .length=5, .msb_right =0 },
- .green = { .offset = 5, .length=5, .msb_right =0 },
- .blue = { .offset = 0, .length=5, .msb_right =0 },
- .transp= { .offset = 15, .length=1, .msb_right =0 }
- },
- { .name = "RGB565", // RGB565
- .bpp = 16, .pixenum = RGB565,
- .red = { .offset = 11, .length=5, .msb_right =0 },
- .green = { .offset = 5, .length=6, .msb_right =0 },
- .blue = { .offset = 0, .length=5, .msb_right =0 },
- .transp= { .offset = 0, .length=0, .msb_right =0 }
- },
- { .name = "ARGB", // 32 f*cking bits, the real McCoy :)
- .bpp = 32, .pixenum = ARGB,
- .red = { .offset = 16, .length=8, .msb_right =0 },
- .green = { .offset = 8, .length=8, .msb_right =0 },
- .blue = { .offset = 0, .length=8, .msb_right =0 },
- .transp= { .offset = 24, .length=8, .msb_right =0 }
- }
-};
-#define PIXELFORMATNUM (sizeof(pixelformattable)/sizeof(struct pixelformat))
-
-struct colour {
- __u16 r;
- __u16 g;
- __u16 b;
- __u16 a;
-};
-static
-struct colour colourtable[] = {
- {.r =0xffff, .g = 0xffff, .b=0xffff, .a=0xffff}, // fully transparent white
- {.r =0xffff, .g = 0x0000, .b=0x0000, .a=0x0000}, // red
- {.r =0x0000, .g = 0xffff, .b=0x0000, .a=0x0000}, // green
- {.r =0x0000, .g = 0x0000, .b=0xffff, .a=0x0000}, // blue
- {.r =0x0000, .g = 0x0000, .b=0x0000, .a=0x0000} // black
-};
-#define COLOURNUM (sizeof(colourtable)/sizeof(struct colour))
-
-struct rect{
- int x;
- int y;
- int width;
- int height;
- const struct colour *col;
-};
-struct pixel{ // up to 32 bits of pixel information
- char byte[4];
-};
-
-void col2pixel (struct pixel *pix, const struct pixelformat *pixf, const struct colour *col){
- switch (pixf->pixenum){
- case RGB565:
- pix->byte[0]=(col->r&0xf8)|(col->g&0xfc)>>5;
- pix->byte[1]=(col->g&0xfc)<<3|(col->b&0xf8)>>3;
- break;
- case ARGB1555:
- pix->byte[0]=(col->a&0x80)|(col->r&0xf8)>>1|(col->g&0xf8)>>6;
- pix->byte[1]=(col->g&0xf8)<<2|(col->b&0xf8)>>3;
- break;
- case ARGB:
- pix->byte[0]=col->a;
- pix->byte[1]=col->r;
- pix->byte[2]=col->g;
- pix->byte[3]=col->b;
- break;
- default:
- printf ("unknown pixelformat\n");
- exit(1);
- }
-}
-
-int setmode(int fbd, const struct pixelformat *pixf,const struct vidsize *vids){
- struct fb_var_screeninfo var;
- int stat;
- stat = ioctl (fbd, FBIOGET_VSCREENINFO,&var);
- if (stat<0) return -2;
-
- var.xres= vids->width;
- var.xres_virtual = vids->width;
- var.yres= vids->height;
- var.yres_virtual = vids->height;
-
- var.bits_per_pixel = pixf->bpp;
- var.red = pixf->red;
- var.green = pixf->green;
- var.blue = pixf->blue;
- var.transp = pixf->transp;
-
- stat = ioctl (fbd, FBIOPUT_VSCREENINFO,&var);
- if (stat<0) return -1;
- return 0;
-}
-
-// unefficient implementation, do NOT use it for your next ego shooter, please :)
-// for 4-Bit only rectangles with even width are supported
-// CLUT-modes use value of red component as index
-void drawrect(void *videoram, struct rect *r, const struct pixelformat *pixf, const struct vidsize *vids){
- int x,y,corwidth, bpp = 0, tocopy = 1;
- struct pixel pix;
- unsigned char *pmem = videoram;
- corwidth = r->width; // actually only "corrected" for 4 Bit
-
- if (pixf->pixenum!=CLUT4&&pixf->pixenum!=CLUT8){
- switch (pixf->pixenum){
- case ARGB1555:
- case RGB565:
- bpp = 16;
- tocopy = 2;
- break;
- case ARGB:
- bpp = 32;
- tocopy = 4;
- break;
- default:
- printf ("drawrect: unknown pixelformat(%d) bpp:%d\n",pixf->pixenum,pixf->bpp);
- exit(1);
- }
- col2pixel(&pix,pixf,r->col);
- } else {
- switch (pixf->pixenum){ // CLUT = Colour LookUp Table (palette)
- case CLUT4: // take red value as index in this case
- pix.byte[0]=(r->col->r)<<4|(r->col->r&0xf); // slightly cryptic... "rect->colour->red"
- corwidth>>=1; // we copy bytes
- bpp=4;
- tocopy=1;
- break;
- case CLUT8:
- pix.byte[0]=(r->col->r&0xff);
- bpp=8;
- tocopy=1;
- break;
- }
- }
- pmem=videoram+((((r->y*vids->width)+r->x)*bpp)>>3);
- for (y=0;y<r->height;y++){
- int offset = 0;
- for (x=0;x<corwidth;x++){
- memcpy (pmem+offset,pix.byte,tocopy);
- offset+=tocopy;
- }
- pmem +=((vids->width*bpp)>>3); // skip one whole line, actually should be taken from "fix-info"
- }
-}
-
-// create quick little test image, 4 colours from table
-void draw4field(void *videoram, const struct pixelformat *pixf, const struct vidsize *vids){
- struct rect r;
- struct colour c;
- int height, width;
- c.r = 1; // only used for the indexed modes, r is taken as index
- height = vids->height;
- width = vids->width;
-
- r.height = height>>1;
- r.width = width>>1;
- r.x = 0; r.y = 0;
- if (pixf->pixenum==CLUT4||pixf->pixenum==CLUT8) r.col = &c;
- else r.col = &colourtable[1];
- drawrect (videoram, &r, pixf, vids);
-
- r.x = width/2; r.y = 0;
- if (pixf->pixenum==CLUT4||pixf->pixenum==CLUT8) c.r = 2;
- else r.col = &colourtable[2];
- drawrect (videoram, &r, pixf, vids);
-
- r.x = 0; r.y = height/2;
- if (pixf->pixenum==CLUT4||pixf->pixenum==CLUT8) c.r = 3;
- else r.col = &colourtable[3];
- drawrect (videoram, &r, pixf, vids);
-
- r.x = width/2; r.y = height/2;
- if (pixf->pixenum==CLUT4||pixf->pixenum==CLUT8) c.r = 0;
- else r.col = &colourtable[0];
- drawrect (videoram, &r, pixf, vids);
-}
-
-void usage(char *name){
- printf ("Usage: %s [options]\n"
- "Options: -f<pixelformat>\n"
- " where format is one of:\n"
- " CLUT4,CLUT8,ARGB1555,RGB565,ARGB\n"
- " -s<width>x<heigth>\n"
- " where width is either 720,640,360,320\n"
- " and height is either 288,240,480,576\n"
- " -n\n"
- " disables clearing the framebuffer after drawing\n"
- " the testimage. This can be useful to keep the last\n"
- " drawn image onscreen.\n"
- "\nExample: %s -fRGB322\n",name,name);
- exit(0);
-}
-
-int main (int argc,char **argv){
- struct fb_fix_screeninfo fix;
- struct fb_var_screeninfo var;
- struct fb_cmap cmap;
- struct rect r;
- int fbd;
- unsigned char *pfb;
- int stat;
- int optchar,fmode=-1,smode=-1,clear=1;
- int i_cmap,i_size,i_pix;
- extern char *optarg;
-
- if (argc!=0&&argc>4) usage(argv[0]);
- while ( (optchar = getopt (argc,argv,"f:s:n"))!= -1){
- int i,height,width;
- switch (optchar){
- case 'f':
- for (i=0;i<(sizeof(pixname)/sizeof(char*));i++){
- if (!strncmp (optarg,pixname[i],strlen(pixname[i]))){
- fmode=i;
- printf ("displaying only %s-modes\n",pixname[i]);
- break;
- }
- }
- if (fmode==-1){
- printf ("unknown pixelformat\n");
- exit(0);
- }
- break;
- case 's':
- if (sscanf (optarg,"%dx%d",&width,&height)!=2){
- printf ("parsing size failed\n");
- exit(0);
- } else {
- printf ("requested size %dx%d\n",width,height);
- for (i=0;i<VIDSIZENUM;i++){
- if (vidsizetable[i].width == width &&
- vidsizetable[i].height == height){
- smode = i;
- break;
- }
- }
- if (smode==-1){
- printf ("this size is not supported\n");
- exit(0);
- }
- }
- break;
- case 'n':
- clear = 0;
- printf ("clearing framebuffer after drawing is disabled\n");
- break;
- case '?':
- usage (argv[0]);
- }
- }
-
- fbd = open (FBDEV, O_RDWR);
- if (fbd<0){
- perror ("Error opening framebuffer device");
- return 1;
- }
- stat = ioctl (fbd, FBIOGET_FSCREENINFO,&fix);
- if (stat<0){
- perror ("Error getting fix screeninfo");
- return 1;
- }
- stat = ioctl (fbd, FBIOGET_VSCREENINFO,&var);
- if (stat<0){
- perror ("Error getting var screeninfo");
- return 1;
- }
- stat = ioctl (fbd, FBIOPUT_VSCREENINFO,&var);
- if (stat<0){
- perror ("Error setting mode");
- return 1;
- }
- pfb = mmap (0, fix.smem_len, PROT_READ|PROT_WRITE, MAP_SHARED, fbd, 0);
- if (pfb == MAP_FAILED){
- perror ("Error mmap'ing framebuffer device");
- return 1;
- }
-
- // iterate over all modes
- for (i_pix=0;i_pix<PIXELFORMATNUM;i_pix++){
- if (fmode!=-1 && pixelformattable[i_pix].pixenum != fmode) continue;
- printf ("testing: %s",pixelformattable[i_pix].name);
- printf (" for sizes: \n");
- for (i_size=0;i_size<VIDSIZENUM;i_size++){
- if (smode!=-1 && i_size!=smode) continue;
- printf ("%dx%d ",vidsizetable[i_size].width,vidsizetable[i_size].height);
- fflush(stdout);
- if ((i_size%4)==3) printf ("\n");
-
- // try to set mode
- stat = setmode(fbd,&pixelformattable[i_pix],&vidsizetable[i_size]);
- if (stat==-2) perror ("fbtest: could not get fb_var-screeninfo from fb-device");
- else if (stat==-1){
- printf ("\nCould not set mode %s (%dx%d), possible reasons:\n"
- "- you have a GTX (soz m8)\n"
- "- your configuration does not have enough graphics RAM\n"
- "- you found a bug\n"
- "choose your poison accordingly...\n",
- pixelformattable[i_pix].name,vidsizetable[i_size].width,vidsizetable[i_size].height);
- continue;
- }
- // fill cmap;
- cmap.len = 1;
- if ((pixelformattable[i_pix].bpp==4)||
- ((pixelformattable[i_pix].bpp==8)&&(pixelformattable[i_pix].red.length!=3))){
- for (i_cmap=0;i_cmap<COLOURNUM;i_cmap++){
- cmap.start=i_cmap;
- cmap.red=&colourtable[i_cmap].r;
- cmap.green=&colourtable[i_cmap].g;
- cmap.blue=&colourtable[i_cmap].b;
- cmap.transp=&colourtable[i_cmap].a;
- stat = ioctl (fbd, FBIOPUTCMAP, &cmap);
- if (stat<0) printf ("setting colourmap failed\n");
- }
- }
- // create the test image
- draw4field(pfb,&pixelformattable[i_pix],&vidsizetable[i_size]);
- usleep (500000);
- // clear screen
- if (clear){
- r.x=r.y=0;r.width = vidsizetable[i_size].width; r.height = vidsizetable[i_size].height;
- r.col = &colourtable[4];
- drawrect(pfb,&r,&pixelformattable[i_pix],&vidsizetable[i_size]);
- }
- }
- printf ("\n");
- }
-
- stat = munmap (pfb,fix.smem_len);
- if (stat<0){
- perror ("Error munmap'ing framebuffer device");
- return 1;
- }
- close (fbd);
- return 0;
-}
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