diff options
| author | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2013-01-29 10:48:46 +0000 | 
|---|---|---|
| committer | nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2013-01-29 10:48:46 +0000 | 
| commit | 87733febce67553d6e0c150919ac5f0a531a780b (patch) | |
| tree | 0f48a0a61f7d54fb9e21ede8cb0d65c5c82149ea /package/system/utils/fbtest/src/fbtest.c | |
| parent | 4b5cd16c55ea53b347805c6bf2c10db5f133d0d2 (diff) | |
move a few packages to system/utils
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35375 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/system/utils/fbtest/src/fbtest.c')
| -rw-r--r-- | package/system/utils/fbtest/src/fbtest.c | 448 | 
1 files changed, 448 insertions, 0 deletions
diff --git a/package/system/utils/fbtest/src/fbtest.c b/package/system/utils/fbtest/src/fbtest.c new file mode 100644 index 000000000..6e9c2f85f --- /dev/null +++ b/package/system/utils/fbtest/src/fbtest.c @@ -0,0 +1,448 @@ +/****************************************************************************** + *	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; +}  | 
