diff options
| -rw-r--r-- | progs/fbdev/.gitignore | 1 | ||||
| -rw-r--r-- | progs/fbdev/Makefile | 55 | ||||
| -rw-r--r-- | progs/fbdev/glfbdevtest.c | 599 |
3 files changed, 0 insertions, 655 deletions
diff --git a/progs/fbdev/.gitignore b/progs/fbdev/.gitignore deleted file mode 100644 index b9ddf559fd5..00000000000 --- a/progs/fbdev/.gitignore +++ /dev/null @@ -1 +0,0 @@ -glfbdevtest diff --git a/progs/fbdev/Makefile b/progs/fbdev/Makefile deleted file mode 100644 index e935a519c36..00000000000 --- a/progs/fbdev/Makefile +++ /dev/null @@ -1,55 +0,0 @@ -# Makefile for miniglx demo programs - -TOP = ../.. - -include $(TOP)/configs/current - - -SOURCES = glfbdevtest.c - -OBJECTS = $(SOURCES:.c=.o) - -PROGS = $(SOURCES:%.c=%) - -INCLUDES = \ - -I. \ - -I$(TOP)/include - -LIBS = -L$(TOP)/$(LIB_DIR) -l$(GLU_LIB) -l$(GL_LIB) $(APP_LIB_DEPS) - -##### RULES ##### - -.SUFFIXES: -.SUFFIXES: .c - -.c: - $(CC) $(INCLUDES) $(CFLAGS) $(LDFLAGS) $< $(LIBS) -o $@ - -.c.o: - $(CC) -c $(INCLUDES) $(CFLAGS) $< -o $@ - -.S.o: - $(CC) -c $(INCLUDES) $(CFLAGS) $< -o $@ - - -##### TARGETS ##### - -default: depend $(PROGS) - -clean: - -rm -f $(PROGS) - -rm -f *.o - - -depend: $(SOURCES) - rm -f depend - touch depend - $(MKDEP) $(MKDEP_OPTIONS) $(INCLUDES) $(SOURCES) > /dev/null - - -# Emacs tags -tags: - etags `find . -name \*.[ch]` `find ../include` - - -include depend diff --git a/progs/fbdev/glfbdevtest.c b/progs/fbdev/glfbdevtest.c deleted file mode 100644 index 6d9f8070302..00000000000 --- a/progs/fbdev/glfbdevtest.c +++ /dev/null @@ -1,599 +0,0 @@ -/* - * Test the GLFBDev interface. Only tested with radeonfb driver!!!! - * - * Written by Brian Paul - */ - - -#include <assert.h> -#include <errno.h> -#include <signal.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <fcntl.h> -#include <unistd.h> -#include <sys/ioctl.h> -#include <sys/mman.h> -#include <sys/types.h> -#include <linux/fb.h> -#include <linux/kd.h> -#include <linux/vt.h> -#include <GL/gl.h> -#include <GL/glfbdev.h> -#include <math.h> - - -/** - * Choose one of these modes - */ -/*static const int XRes = 1280, YRes = 1024, Hz = 75;*/ -/*static const int XRes = 1280, YRes = 1024, Hz = 70;*/ -/*static const int XRes = 1280, YRes = 1024, Hz = 60;*/ -static const int XRes = 1024, YRes = 768, Hz = 70; - -static int DesiredDepth = 32; - -static int NumFrames = 100; - -static struct fb_fix_screeninfo FixedInfo; -static struct fb_var_screeninfo VarInfo, OrigVarInfo; -static int OriginalVT = -1; -static int ConsoleFD = -1; -static int FrameBufferFD = -1; -static caddr_t FrameBuffer = (caddr_t) -1; -static caddr_t MMIOAddress = (caddr_t) -1; - - -static void -print_fixed_info(const struct fb_fix_screeninfo *fixed, const char *s) -{ - static const char *visuals[] = { - "MONO01", "MONO10", "TRUECOLOR", "PSEUDOCOLOR", - "DIRECTCOLOR", "STATIC_PSEUDOCOLOR" - }; - - printf("%s info -----------------------\n", s); - printf("id = %16s\n", fixed->id); - printf("smem_start = 0x%lx\n", fixed->smem_start); - printf("smem_len = %d (0x%x)\n", fixed->smem_len, fixed->smem_len); - printf("type = 0x%x\n", fixed->type); - printf("type_aux = 0x%x\n", fixed->type_aux); - printf("visual = 0x%x (%s)\n", fixed->visual, visuals[fixed->visual]); - printf("xpanstep = %d\n", fixed->xpanstep); - printf("ypanstep = %d\n", fixed->ypanstep); - printf("ywrapstep = %d\n", fixed->ywrapstep); - printf("line_length = %d\n", fixed->line_length); - printf("mmio_start = 0x%lx\n", fixed->mmio_start); - printf("mmio_len = %d (0x%x)\n", fixed->mmio_len, fixed->mmio_len); - printf("accel = 0x%x\n", fixed->accel); -} - - -static void -print_var_info(const struct fb_var_screeninfo *var, const char *s) -{ - printf("%s info -----------------------\n", s); - printf("xres = %d\n", var->xres); - printf("yres = %d\n", var->yres); - printf("xres_virtual = %d\n", var->xres_virtual); - printf("yres_virtual = %d\n", var->yres_virtual); - printf("xoffset = %d\n", var->xoffset); - printf("yoffset = %d\n", var->yoffset); - printf("bits_per_pixel = %d\n", var->bits_per_pixel); - printf("grayscale = %d\n", var->grayscale); - - printf("red.offset = %d length = %d msb_right = %d\n", - var->red.offset, var->red.length, var->red.msb_right); - printf("green.offset = %d length = %d msb_right = %d\n", - var->green.offset, var->green.length, var->green.msb_right); - printf("blue.offset = %d length = %d msb_right = %d\n", - var->blue.offset, var->blue.length, var->blue.msb_right); - printf("transp.offset = %d length = %d msb_right = %d\n", - var->transp.offset, var->transp.length, var->transp.msb_right); - - printf("nonstd = %d\n", var->nonstd); - printf("activate = %d\n", var->activate); - printf("height = %d mm\n", var->height); - printf("width = %d mm\n", var->width); - printf("accel_flags = 0x%x\n", var->accel_flags); - printf("pixclock = %d\n", var->pixclock); - printf("left_margin = %d\n", var->left_margin); - printf("right_margin = %d\n", var->right_margin); - printf("upper_margin = %d\n", var->upper_margin); - printf("lower_margin = %d\n", var->lower_margin); - printf("hsync_len = %d\n", var->hsync_len); - printf("vsync_len = %d\n", var->vsync_len); - printf("sync = %d\n", var->sync); - printf("vmode = %d\n", var->vmode); -} - - -static void -signal_handler(int signumber) -{ - signal(signumber, SIG_IGN); /* prevent recursion! */ - fprintf(stderr, "error: got signal %d (exiting)\n", signumber); - exit(1); -} - - -static void -initialize_fbdev( void ) -{ - char ttystr[1000]; - int fd, vtnumber, ttyfd; - int sz; - - (void) sz; - - if (geteuid()) { - fprintf(stderr, "error: you need to be root\n"); - exit(1); - } - -#if 1 - /* open the framebuffer device */ - FrameBufferFD = open("/dev/fb0", O_RDWR); - if (FrameBufferFD < 0) { - fprintf(stderr, "Error opening /dev/fb0: %s\n", strerror(errno)); - exit(1); - } -#endif - - /* open /dev/tty0 and get the vt number */ - if ((fd = open("/dev/tty0", O_WRONLY, 0)) < 0) { - fprintf(stderr, "error opening /dev/tty0\n"); - exit(1); - } - if (ioctl(fd, VT_OPENQRY, &vtnumber) < 0 || vtnumber < 0) { - fprintf(stderr, "error: couldn't get a free vt\n"); - exit(1); - } - close(fd); - - /* open the console tty */ - sprintf(ttystr, "/dev/tty%d", vtnumber); /* /dev/tty1-64 */ - ConsoleFD = open(ttystr, O_RDWR | O_NDELAY, 0); - if (ConsoleFD < 0) { - fprintf(stderr, "error couldn't open console fd\n"); - exit(1); - } - - /* save current vt number */ - { - struct vt_stat vts; - if (ioctl(ConsoleFD, VT_GETSTATE, &vts) == 0) - OriginalVT = vts.v_active; - } - - /* disconnect from controlling tty */ - ttyfd = open("/dev/tty", O_RDWR); - if (ttyfd >= 0) { - ioctl(ttyfd, TIOCNOTTY, 0); - close(ttyfd); - } - - /* some magic to restore the vt when we exit */ - { - struct vt_mode vt; - if (ioctl(ConsoleFD, VT_ACTIVATE, vtnumber) != 0) - printf("ioctl VT_ACTIVATE: %s\n", strerror(errno)); - if (ioctl(ConsoleFD, VT_WAITACTIVE, vtnumber) != 0) - printf("ioctl VT_WAITACTIVE: %s\n", strerror(errno)); - - if (ioctl(ConsoleFD, VT_GETMODE, &vt) < 0) { - fprintf(stderr, "error: ioctl VT_GETMODE: %s\n", strerror(errno)); - exit(1); - } - - vt.mode = VT_PROCESS; - vt.relsig = SIGUSR1; - vt.acqsig = SIGUSR1; - if (ioctl(ConsoleFD, VT_SETMODE, &vt) < 0) { - fprintf(stderr, "error: ioctl(VT_SETMODE) failed: %s\n", - strerror(errno)); - exit(1); - } - } - - /* go into graphics mode */ - if (ioctl(ConsoleFD, KDSETMODE, KD_GRAPHICS) < 0) { - fprintf(stderr, "error: ioctl(KDSETMODE, KD_GRAPHICS) failed: %s\n", - strerror(errno)); - exit(1); - } - - -#if 0 - /* open the framebuffer device */ - FrameBufferFD = open("/dev/fb0", O_RDWR); - if (FrameBufferFD < 0) { - fprintf(stderr, "Error opening /dev/fb0: %s\n", strerror(errno)); - exit(1); - } -#endif - - /* Get the fixed screen info */ - if (ioctl(FrameBufferFD, FBIOGET_FSCREENINFO, &FixedInfo)) { - fprintf(stderr, "error: ioctl(FBIOGET_FSCREENINFO) failed: %s\n", - strerror(errno)); - exit(1); - } - - print_fixed_info(&FixedInfo, "Fixed"); - - - /* get the variable screen info */ - if (ioctl(FrameBufferFD, FBIOGET_VSCREENINFO, &OrigVarInfo)) { - fprintf(stderr, "error: ioctl(FBIOGET_VSCREENINFO) failed: %s\n", - strerror(errno)); - exit(1); - } - - print_var_info(&OrigVarInfo, "Orig Var"); - - /* operate on a copy */ - VarInfo = OrigVarInfo; - - /* set the depth, resolution, etc */ - if (DesiredDepth) - VarInfo.bits_per_pixel = DesiredDepth; - - if (VarInfo.bits_per_pixel == 16) { - VarInfo.red.offset = 11; - VarInfo.green.offset = 5; - VarInfo.blue.offset = 0; - VarInfo.red.length = 5; - VarInfo.green.length = 6; - VarInfo.blue.length = 5; - VarInfo.transp.offset = 0; - VarInfo.transp.length = 0; - } - else if (VarInfo.bits_per_pixel == 32) { - VarInfo.red.offset = 16; - VarInfo.green.offset = 8; - VarInfo.blue.offset = 0; - VarInfo.transp.offset = 24; - VarInfo.red.length = 8; - VarInfo.green.length = 8; - VarInfo.blue.length = 8; - VarInfo.transp.length = 8; - } - - /* timing values taken from /etc/fb.modes */ - if (XRes == 1280 && YRes == 1024) { - VarInfo.xres_virtual = VarInfo.xres = XRes; - VarInfo.yres_virtual = VarInfo.yres = YRes; - if (Hz == 75) { - VarInfo.pixclock = 7408; - VarInfo.left_margin = 248; - VarInfo.right_margin = 16; - VarInfo.upper_margin = 38; - VarInfo.lower_margin = 1; - VarInfo.hsync_len = 144; - VarInfo.vsync_len = 3; - } - else if (Hz == 70) { - VarInfo.pixclock = 7937; - VarInfo.left_margin = 216; - VarInfo.right_margin = 80; - VarInfo.upper_margin = 36; - VarInfo.lower_margin = 1; - VarInfo.hsync_len = 112; - VarInfo.vsync_len = 5; - } - else if (Hz == 60) { - VarInfo.pixclock = 9260; - VarInfo.left_margin = 248; - VarInfo.right_margin = 48; - VarInfo.upper_margin = 38; - VarInfo.lower_margin = 1; - VarInfo.hsync_len = 112; - VarInfo.vsync_len = 3; - } - else { - fprintf(stderr, "invalid rate for 1280x1024\n"); - exit(1); - } - } - else if (XRes == 1024 && YRes == 768 && Hz == 70) { - VarInfo.xres_virtual = VarInfo.xres = XRes; - VarInfo.yres_virtual = VarInfo.yres = YRes; - if (Hz == 70) { - VarInfo.pixclock = 13334; - VarInfo.left_margin = 144; - VarInfo.right_margin = 24; - VarInfo.upper_margin = 29; - VarInfo.lower_margin = 3; - VarInfo.hsync_len = 136; - VarInfo.vsync_len = 6; - } - else { - fprintf(stderr, "invalid rate for 1024x768\n"); - exit(1); - } - } - - VarInfo.xoffset = 0; - VarInfo.yoffset = 0; - VarInfo.nonstd = 0; - VarInfo.vmode &= ~FB_VMODE_YWRAP; /* turn off scrolling */ - - /* set new variable screen info */ - if (ioctl(FrameBufferFD, FBIOPUT_VSCREENINFO, &VarInfo)) { - fprintf(stderr, "ioctl(FBIOPUT_VSCREENINFO failed): %s\n", - strerror(errno)); - exit(1); - } - - print_var_info(&VarInfo, "New Var"); - - if (FixedInfo.visual != FB_VISUAL_TRUECOLOR && - FixedInfo.visual != FB_VISUAL_DIRECTCOLOR) { - fprintf(stderr, "non-TRUE/DIRECT-COLOR visuals (0x%x) not supported by this demo.\n", FixedInfo.visual); - exit(1); - } - - /* initialize colormap */ - if (FixedInfo.visual == FB_VISUAL_DIRECTCOLOR) { - struct fb_cmap cmap; - unsigned short red[256], green[256], blue[256]; - int i; - - /* we're assuming 256 entries here */ - printf("initializing directcolor colormap\n"); - cmap.start = 0; - cmap.len = 256; - cmap.red = red; - cmap.green = green; - cmap.blue = blue; - cmap.transp = NULL; - for (i = 0; i < cmap.len; i++) { - red[i] = green[i] = blue[i] = (i << 8) | i; - } - if (ioctl(FrameBufferFD, FBIOPUTCMAP, (void *) &cmap) < 0) { - fprintf(stderr, "ioctl(FBIOPUTCMAP) failed [%d]\n", i); - } - } - - /* - * fbdev says the frame buffer is at offset zero, and the mmio region - * is immediately after. - */ - - /* mmap the framebuffer into our address space */ - FrameBuffer = (caddr_t) mmap(0, /* start */ - FixedInfo.smem_len, /* bytes */ - PROT_READ | PROT_WRITE, /* prot */ - MAP_SHARED, /* flags */ - FrameBufferFD, /* fd */ - 0 /* offset */); - if (FrameBuffer == (caddr_t) - 1) { - fprintf(stderr, "error: unable to mmap framebuffer: %s\n", - strerror(errno)); - exit(1); - } - printf("FrameBuffer = %p\n", FrameBuffer); - -#if 1 - /* mmap the MMIO region into our address space */ - MMIOAddress = (caddr_t) mmap(0, /* start */ - FixedInfo.mmio_len, /* bytes */ - PROT_READ | PROT_WRITE, /* prot */ - MAP_SHARED, /* flags */ - FrameBufferFD, /* fd */ - FixedInfo.smem_len /* offset */); - if (MMIOAddress == (caddr_t) - 1) { - fprintf(stderr, "error: unable to mmap mmio region: %s\n", - strerror(errno)); - } - printf("MMIOAddress = %p\n", MMIOAddress); - - /* try out some simple MMIO register reads */ - if (0) - { - typedef unsigned int CARD32; - typedef unsigned char CARD8; -#define RADEON_CONFIG_MEMSIZE 0x00f8 -#define RADEON_MEM_SDRAM_MODE_REG 0x0158 -#define MMIO_IN32(base, offset) \ - *(volatile CARD32 *)(void *)(((CARD8*)(base)) + (offset)) -#define INREG(addr) MMIO_IN32(MMIOAddress, addr) - int sz, type; - const char *typeStr[] = {"SDR", "DDR", "64-bit SDR"}; - sz = INREG(RADEON_CONFIG_MEMSIZE); - type = INREG(RADEON_MEM_SDRAM_MODE_REG); - printf("RADEON_CONFIG_MEMSIZE = %d (%d MB)\n", sz, sz / 1024 / 1024); - printf("RADEON_MEM_SDRAM_MODE_REG >> 30 = %d (%s)\n", - type >> 30, typeStr[type>>30]); - } -#endif - -} - - -static void -shutdown_fbdev( void ) -{ - struct vt_mode VT; - - printf("cleaning up...\n"); - /* restore original variable screen info */ - if (ioctl(FrameBufferFD, FBIOPUT_VSCREENINFO, &OrigVarInfo)) { - fprintf(stderr, "ioctl(FBIOPUT_VSCREENINFO failed): %s\n", - strerror(errno)); - exit(1); - } - - munmap(MMIOAddress, FixedInfo.mmio_len); - munmap(FrameBuffer, FixedInfo.smem_len); - close(FrameBufferFD); - - /* restore text mode */ - ioctl(ConsoleFD, KDSETMODE, KD_TEXT); - - /* set vt */ - if (ioctl(ConsoleFD, VT_GETMODE, &VT) != -1) { - VT.mode = VT_AUTO; - ioctl(ConsoleFD, VT_SETMODE, &VT); - } - - /* restore original vt */ - if (OriginalVT >= 0) { - ioctl(ConsoleFD, VT_ACTIVATE, OriginalVT); - OriginalVT = -1; - } - - close(ConsoleFD); -} - - -/* Borrowed from GLUT */ -static void -doughnut(GLfloat r, GLfloat R, GLint nsides, GLint rings) -{ - int i, j; - GLfloat theta, phi, theta1; - GLfloat cosTheta, sinTheta; - GLfloat cosTheta1, sinTheta1; - GLfloat ringDelta, sideDelta; - - ringDelta = 2.0 * M_PI / rings; - sideDelta = 2.0 * M_PI / nsides; - - theta = 0.0; - cosTheta = 1.0; - sinTheta = 0.0; - for (i = rings - 1; i >= 0; i--) { - theta1 = theta + ringDelta; - cosTheta1 = cos(theta1); - sinTheta1 = sin(theta1); - glBegin(GL_QUAD_STRIP); - phi = 0.0; - for (j = nsides; j >= 0; j--) { - GLfloat cosPhi, sinPhi, dist; - - phi += sideDelta; - cosPhi = cos(phi); - sinPhi = sin(phi); - dist = R + r * cosPhi; - - glNormal3f(cosTheta1 * cosPhi, -sinTheta1 * cosPhi, sinPhi); - glVertex3f(cosTheta1 * dist, -sinTheta1 * dist, r * sinPhi); - glNormal3f(cosTheta * cosPhi, -sinTheta * cosPhi, sinPhi); - glVertex3f(cosTheta * dist, -sinTheta * dist, r * sinPhi); - } - glEnd(); - theta = theta1; - cosTheta = cosTheta1; - sinTheta = sinTheta1; - } -} - - -static void -gltest( void ) -{ - static const int attribs[] = { - GLFBDEV_DOUBLE_BUFFER, - GLFBDEV_DEPTH_SIZE, 16, - GLFBDEV_NONE - }; - GLFBDevContextPtr ctx; - GLFBDevBufferPtr buf; - GLFBDevVisualPtr vis; - int bytes, r, g, b, a; - float ang; - int i; - - printf("GLFBDEV_VENDOR = %s\n", glFBDevGetString(GLFBDEV_VENDOR)); - printf("GLFBDEV_VERSION = %s\n", glFBDevGetString(GLFBDEV_VERSION)); - - /* framebuffer size */ - bytes = VarInfo.xres_virtual * VarInfo.yres_virtual * VarInfo.bits_per_pixel / 8; - - vis = glFBDevCreateVisual( &FixedInfo, &VarInfo, attribs ); - assert(vis); - - buf = glFBDevCreateBuffer( &FixedInfo, &VarInfo, vis, FrameBuffer, NULL, bytes ); - assert(buf); - - ctx = glFBDevCreateContext( vis, NULL ); - assert(buf); - - b = glFBDevMakeCurrent( ctx, buf, buf ); - assert(b); - - /*printf("GL_EXTENSIONS: %s\n", glGetString(GL_EXTENSIONS));*/ - glGetIntegerv(GL_RED_BITS, &r); - glGetIntegerv(GL_GREEN_BITS, &g); - glGetIntegerv(GL_BLUE_BITS, &b); - glGetIntegerv(GL_ALPHA_BITS, &a); - printf("RED_BITS=%d GREEN_BITS=%d BLUE_BITS=%d ALPHA_BITS=%d\n", - r, g, b, a); - - glClearColor(0.5, 0.5, 1.0, 0); - glMatrixMode(GL_PROJECTION); - glLoadIdentity(); - glFrustum(-1, 1, -1, 1, 2, 30); - glMatrixMode(GL_MODELVIEW); - glLoadIdentity(); - glTranslatef(0, 0, -15); - glViewport(0, 0, VarInfo.xres_virtual, VarInfo.yres_virtual); - glEnable(GL_LIGHTING); - glEnable(GL_LIGHT0); - glEnable(GL_DEPTH_TEST); - - printf("Drawing %d frames...\n", NumFrames); - - ang = 0.0; - for (i = 0; i < NumFrames; i++) { - glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); - glPushMatrix(); - glRotatef(ang, 1, 0, 0); - doughnut(1, 3, 40, 20); - glPopMatrix(); - glFBDevSwapBuffers(buf); - ang += 15.0; - } - - /* clean up */ - b = glFBDevMakeCurrent( NULL, NULL, NULL); - assert(b); - - glFBDevDestroyContext(ctx); - glFBDevDestroyBuffer(buf); - glFBDevDestroyVisual(vis); -} - - -static void -parse_args(int argc, char *argv[]) -{ - int i; - - for (i = 1; i < argc; i++) { - if (strcmp(argv[i], "-f") == 0) { - NumFrames = atoi(argv[i+1]); - i++; - } - } -} - - -int -main( int argc, char *argv[] ) -{ - signal(SIGUSR1, signal_handler); /* exit if someone tries a vt switch */ - signal(SIGSEGV, signal_handler); /* catch segfaults */ - - parse_args(argc, argv); - - printf("Setting mode to %d x %d @ %d Hz, %d bpp\n", XRes, YRes, Hz, DesiredDepth); - initialize_fbdev(); - gltest(); - shutdown_fbdev(); - - return 0; -} |