+++ /dev/null
-/*
- * 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;
-}
projects / mesa.git / commitdiff