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fbtest: remove the fbdev test tool
The tool opens /dev/fb0 and mmaps it. Legacy fbdev and DRM fbdev emulation are gone from every target except the exempt ones, so the device node it needs is absent there. Nothing depends on the package. Signed-off-by: Daniel Golle <daniel@makrotopia.org>
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@@ -1,38 +0,0 @@
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#
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# Copyright (C) 2012 OpenWrt.org
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#
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# This is free software, licensed under the GNU General Public License v2.
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# See /LICENSE for more information.
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#
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include $(TOPDIR)/rules.mk
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PKG_NAME:=fbtest
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PKG_RELEASE:=1
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PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME)
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include $(INCLUDE_DIR)/package.mk
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define Package/fbtest
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SECTION:=utils
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CATEGORY:=Utilities
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TITLE:=Frame buffer device testing tool
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endef
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define Build/Configure
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endef
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define Build/Compile
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$(MAKE) -C $(PKG_BUILD_DIR) \
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CC="$(TARGET_CC)" \
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CFLAGS="$(TARGET_CFLAGS) -Wall" \
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LDFLAGS="$(TARGET_LDFLAGS)"
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endef
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define Package/fbtest/install
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$(INSTALL_DIR) $(1)/usr/sbin
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$(INSTALL_BIN) $(PKG_BUILD_DIR)/fbtest $(1)/usr/sbin/
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endef
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$(eval $(call BuildPackage,fbtest))
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@@ -1,14 +0,0 @@
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CC = gcc
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CFLAGS = -Wall
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OBJS = fbtest.o
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all: fbtest
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%.o: %.c
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$(CC) $(CFLAGS) -c -o $@ $<
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fbtest: $(OBJS)
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$(CC) -o $@ $(OBJS)
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clean:
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rm -f fbtest *.o
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@@ -1,446 +0,0 @@
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/******************************************************************************
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* fbtest - fbtest.c
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* test program for the tuxbox-framebuffer device
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* tests all GTX/eNX supported modes
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*
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* (c) 2003 Carsten Juttner (carjay@gmx.net)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* The Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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******************************************************************************
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* $Id: fbtest.c,v 1.5 2005/01/14 23:14:41 carjay Exp $
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******************************************************************************/
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// TODO: - should restore the colour map and mode to what it was before
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// - is colour map handled correctly?
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/ioctl.h>
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#include <sys/mman.h>
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#include <fcntl.h>
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#include <linux/fb.h>
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#define FBDEV "/dev/fb0"
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struct vidsize{
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int width;
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int height;
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};
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static
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const struct vidsize vidsizetable[]={ // all supported sizes
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{720,576},{720,480},{720,288},{720,240},
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{640,576},{640,480},{640,288},{640,240},
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{360,576},{360,480},{360,288},{360,240},
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{320,576},{320,480},{320,288},{320,240}
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};
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#define VIDSIZENUM (sizeof(vidsizetable)/sizeof(struct vidsize))
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enum pixenum{ // keep in sync with pixname !
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CLUT4=0,
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CLUT8,
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RGB565,
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ARGB1555,
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ARGB
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};
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const char *pixname[] = {
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"CLUT4",
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"CLUT8",
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"RGB565",
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"ARGB1555",
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"ARGB"
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};
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struct pixelformat{
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char *name;
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struct fb_bitfield red;
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struct fb_bitfield green;
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struct fb_bitfield blue;
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struct fb_bitfield transp;
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char bpp;
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char pixenum;
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};
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static // so far these are all modes supported by the eNX (only partially by GTX)
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const struct pixelformat pixelformattable[] = {
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{ .name = "CLUT4 ARGB8888", // CLUT4 (ARGB8888)
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.bpp = 4, .pixenum = CLUT4,
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.red = { .offset = 0, .length=8, .msb_right =0 },
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.green = { .offset = 0, .length=8, .msb_right =0 },
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.blue = { .offset = 0, .length=8, .msb_right =0 },
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.transp= { .offset = 0, .length=8, .msb_right =0 }
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},
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{ .name = "CLUT4 ARGB1555", // CLUT4 (ARGB1555)
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.bpp = 4, .pixenum = CLUT4,
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.red = { .offset = 0, .length=5, .msb_right =0 },
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.green = { .offset = 0, .length=5, .msb_right =0 },
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.blue = { .offset = 0, .length=5, .msb_right =0 },
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.transp= { .offset = 0, .length=1, .msb_right =0 }
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},
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{ .name = "CLUT8 ARGB8888", // CLUT8 (ARGB8888)
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.bpp = 8, .pixenum = CLUT8,
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.red = { .offset = 0, .length=8, .msb_right =0 },
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.green = { .offset = 0, .length=8, .msb_right =0 },
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.blue = { .offset = 0, .length=8, .msb_right =0 },
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.transp= { .offset = 0, .length=8, .msb_right =0 }
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},
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{ .name = "CLUT8 ARGB1555", // CLUT8 (ARGB1555)
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.bpp = 8, .pixenum = CLUT8,
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.red = { .offset = 0, .length=5, .msb_right =0 },
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.green = { .offset = 0, .length=5, .msb_right =0 },
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.blue = { .offset = 0, .length=5, .msb_right =0 },
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.transp= { .offset = 0, .length=1, .msb_right =0 }
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},
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{ .name = "ARGB1555", // ARGB1555
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.bpp = 16, .pixenum = ARGB1555,
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.red = { .offset = 10, .length=5, .msb_right =0 },
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.green = { .offset = 5, .length=5, .msb_right =0 },
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.blue = { .offset = 0, .length=5, .msb_right =0 },
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.transp= { .offset = 15, .length=1, .msb_right =0 }
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},
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{ .name = "RGB565", // RGB565
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.bpp = 16, .pixenum = RGB565,
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.red = { .offset = 11, .length=5, .msb_right =0 },
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.green = { .offset = 5, .length=6, .msb_right =0 },
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.blue = { .offset = 0, .length=5, .msb_right =0 },
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.transp= { .offset = 0, .length=0, .msb_right =0 }
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},
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{ .name = "ARGB", // 32 f*cking bits, the real McCoy :)
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.bpp = 32, .pixenum = ARGB,
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.red = { .offset = 16, .length=8, .msb_right =0 },
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.green = { .offset = 8, .length=8, .msb_right =0 },
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.blue = { .offset = 0, .length=8, .msb_right =0 },
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.transp= { .offset = 24, .length=8, .msb_right =0 }
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}
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};
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#define PIXELFORMATNUM (sizeof(pixelformattable)/sizeof(struct pixelformat))
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struct colour {
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__u16 r;
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__u16 g;
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__u16 b;
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__u16 a;
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};
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static
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struct colour colourtable[] = {
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{.r =0xffff, .g = 0xffff, .b=0xffff, .a=0xffff}, // fully transparent white
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{.r =0xffff, .g = 0x0000, .b=0x0000, .a=0x0000}, // red
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{.r =0x0000, .g = 0xffff, .b=0x0000, .a=0x0000}, // green
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{.r =0x0000, .g = 0x0000, .b=0xffff, .a=0x0000}, // blue
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{.r =0x0000, .g = 0x0000, .b=0x0000, .a=0x0000} // black
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};
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#define COLOURNUM (sizeof(colourtable)/sizeof(struct colour))
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struct rect{
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int x;
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int y;
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int width;
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int height;
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const struct colour *col;
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};
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struct pixel{ // up to 32 bits of pixel information
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char byte[4];
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};
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void col2pixel (struct pixel *pix, const struct pixelformat *pixf, const struct colour *col){
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switch (pixf->pixenum){
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case RGB565:
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pix->byte[0]=(col->r&0xf8)|(col->g&0xfc)>>5;
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pix->byte[1]=(col->g&0xfc)<<3|(col->b&0xf8)>>3;
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break;
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case ARGB1555:
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pix->byte[0]=(col->a&0x80)|(col->r&0xf8)>>1|(col->g&0xf8)>>6;
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pix->byte[1]=(col->g&0xf8)<<2|(col->b&0xf8)>>3;
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break;
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case ARGB:
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pix->byte[0]=col->a;
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pix->byte[1]=col->r;
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pix->byte[2]=col->g;
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pix->byte[3]=col->b;
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break;
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default:
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printf ("unknown pixelformat\n");
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exit(1);
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}
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}
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int setmode(int fbd, const struct pixelformat *pixf,const struct vidsize *vids){
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struct fb_var_screeninfo var;
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int stat;
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stat = ioctl (fbd, FBIOGET_VSCREENINFO,&var);
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if (stat<0) return -2;
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var.xres= vids->width;
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var.xres_virtual = vids->width;
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var.yres= vids->height;
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var.yres_virtual = vids->height;
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var.bits_per_pixel = pixf->bpp;
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var.red = pixf->red;
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var.green = pixf->green;
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var.blue = pixf->blue;
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var.transp = pixf->transp;
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stat = ioctl (fbd, FBIOPUT_VSCREENINFO,&var);
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if (stat<0) return -1;
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return 0;
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}
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// unefficient implementation, do NOT use it for your next ego shooter, please :)
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// for 4-Bit only rectangles with even width are supported
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// CLUT-modes use value of red component as index
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void drawrect(void *videoram, struct rect *r, const struct pixelformat *pixf, const struct vidsize *vids){
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int x,y,corwidth, bpp = 0, tocopy = 1;
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struct pixel pix;
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unsigned char *pmem = videoram;
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corwidth = r->width; // actually only "corrected" for 4 Bit
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if (pixf->pixenum!=CLUT4&&pixf->pixenum!=CLUT8){
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switch (pixf->pixenum){
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case ARGB1555:
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case RGB565:
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bpp = 16;
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tocopy = 2;
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break;
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case ARGB:
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bpp = 32;
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tocopy = 4;
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break;
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default:
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printf ("drawrect: unknown pixelformat(%d) bpp:%d\n",pixf->pixenum,pixf->bpp);
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exit(1);
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}
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col2pixel(&pix,pixf,r->col);
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} else {
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switch (pixf->pixenum){ // CLUT = Colour LookUp Table (palette)
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case CLUT4: // take red value as index in this case
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pix.byte[0]=(r->col->r)<<4|(r->col->r&0xf); // slightly cryptic... "rect->colour->red"
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corwidth>>=1; // we copy bytes
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bpp=4;
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tocopy=1;
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break;
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case CLUT8:
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pix.byte[0]=(r->col->r&0xff);
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bpp=8;
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tocopy=1;
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break;
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}
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}
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pmem=videoram+((((r->y*vids->width)+r->x)*bpp)>>3);
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for (y=0;y<r->height;y++){
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int offset = 0;
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for (x=0;x<corwidth;x++){
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memcpy (pmem+offset,pix.byte,tocopy);
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offset+=tocopy;
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}
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pmem +=((vids->width*bpp)>>3); // skip one whole line, actually should be taken from "fix-info"
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}
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}
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// create quick little test image, 4 colours from table
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void draw4field(void *videoram, const struct pixelformat *pixf, const struct vidsize *vids){
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struct rect r;
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struct colour c;
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int height, width;
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c.r = 1; // only used for the indexed modes, r is taken as index
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height = vids->height;
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width = vids->width;
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r.height = height>>1;
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r.width = width>>1;
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r.x = 0; r.y = 0;
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if (pixf->pixenum==CLUT4||pixf->pixenum==CLUT8) r.col = &c;
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else r.col = &colourtable[1];
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drawrect (videoram, &r, pixf, vids);
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r.x = width/2; r.y = 0;
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if (pixf->pixenum==CLUT4||pixf->pixenum==CLUT8) c.r = 2;
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else r.col = &colourtable[2];
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drawrect (videoram, &r, pixf, vids);
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r.x = 0; r.y = height/2;
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if (pixf->pixenum==CLUT4||pixf->pixenum==CLUT8) c.r = 3;
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else r.col = &colourtable[3];
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drawrect (videoram, &r, pixf, vids);
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r.x = width/2; r.y = height/2;
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if (pixf->pixenum==CLUT4||pixf->pixenum==CLUT8) c.r = 0;
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else r.col = &colourtable[0];
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drawrect (videoram, &r, pixf, vids);
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}
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void usage(char *name){
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printf ("Usage: %s [options]\n"
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"Options: -f<pixelformat>\n"
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" where format is one of:\n"
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" CLUT4,CLUT8,ARGB1555,RGB565,ARGB\n"
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" -s<width>x<heigth>\n"
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" where width is either 720,640,360,320\n"
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" and height is either 288,240,480,576\n"
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" -n\n"
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" disables clearing the framebuffer after drawing\n"
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" the testimage. This can be useful to keep the last\n"
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" drawn image onscreen.\n"
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"\nExample: %s -fRGB322\n",name,name);
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exit(0);
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}
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int main (int argc,char **argv){
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struct fb_fix_screeninfo fix;
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struct fb_var_screeninfo var;
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struct fb_cmap cmap;
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struct rect r;
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int fbd;
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unsigned char *pfb;
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int stat;
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int optchar,fmode=-1,smode=-1,clear=1;
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int i_cmap,i_size,i_pix;
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extern char *optarg;
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if (argc!=0&&argc>4) usage(argv[0]);
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while ( (optchar = getopt (argc,argv,"f:s:n"))!= -1){
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int i,height,width;
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switch (optchar){
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case 'f':
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for (i=0;i<(sizeof(pixname)/sizeof(char*));i++){
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if (!strncmp (optarg,pixname[i],strlen(pixname[i]))){
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fmode=i;
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printf ("displaying only %s-modes\n",pixname[i]);
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break;
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}
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}
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if (fmode==-1){
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printf ("unknown pixelformat\n");
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exit(0);
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}
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break;
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case 's':
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if (sscanf (optarg,"%dx%d",&width,&height)!=2){
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printf ("parsing size failed\n");
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exit(0);
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} else {
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printf ("requested size %dx%d\n",width,height);
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for (i=0;i<VIDSIZENUM;i++){
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if (vidsizetable[i].width == width &&
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vidsizetable[i].height == height){
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smode = i;
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break;
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}
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}
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if (smode==-1){
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printf ("this size is not supported\n");
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exit(0);
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}
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}
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break;
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case 'n':
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clear = 0;
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printf ("clearing framebuffer after drawing is disabled\n");
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break;
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case '?':
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usage (argv[0]);
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}
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}
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fbd = open (FBDEV, O_RDWR);
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if (fbd<0){
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perror ("Error opening framebuffer device");
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return 1;
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}
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stat = ioctl (fbd, FBIOGET_FSCREENINFO,&fix);
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if (stat<0){
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perror ("Error getting fix screeninfo");
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return 1;
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}
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stat = ioctl (fbd, FBIOGET_VSCREENINFO,&var);
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if (stat<0){
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perror ("Error getting var screeninfo");
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return 1;
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}
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stat = ioctl (fbd, FBIOPUT_VSCREENINFO,&var);
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if (stat<0){
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perror ("Error setting mode");
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return 1;
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}
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pfb = mmap (0, fix.smem_len, PROT_READ|PROT_WRITE, MAP_SHARED, fbd, 0);
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if (pfb == MAP_FAILED){
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||||
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;
|
||||
}
|
||||
Reference in new issue
Block a user