Attachment 13926 Details for Bug 14245 – test case

test case

test.c (text/plain), 6.76 KB, created by Johan Bilien on 2008-01-24 23:33:56 UTC

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Creator: Johan Bilien

Created: 2008-01-24 23:33:56 UTC

Size: 6.76 KB

patch

obsolete

>#include <stdlib.h>
>#include <stdio.h>
>#include <string.h>
>
>#include <fcntl.h>
>#include <semaphore.h>
>
>#define GLX_GLXEXT_PROTOTYPES
>#include <GL/glx.h>
>#include <GL/glxext.h>
>#include <GL/glu.h>
>#include <assert.h>
>
>#include <glib.h>
>
>#define SEMAPHORE "/foobar-42"
>#define T "/foobar-43"
>#define R "/foobar-44"
>#define PERIOD 10
>
>static int attr_list[] = { GLX_RGBA, GLX_DOUBLEBUFFER,
>  GLX_RED_SIZE, 4,
>  GLX_GREEN_SIZE, 4,
>  GLX_BLUE_SIZE, 4,
>  GLX_DEPTH_SIZE, 16,
>  None };
>
>
>static Display *dpy = NULL;
>static int screen = -1;
>static Window window = None;
>static GLXContext ctx = None;
>static sem_t *semaphore = SEM_FAILED;
>static sem_t *r = SEM_FAILED;
>static sem_t *t = SEM_FAILED;
>
>static int width = 400;
>static int height = 400;
>
>static void
>acquire_context (void)
>{
>  sem_wait (semaphore);
>  glXMakeCurrent (dpy, window, ctx);
>}
>
>static void
>release_context (void)
>{
>  glXMakeCurrent (dpy, None, None);
>  /*XSync (dpy, False);*/
>  sem_post (semaphore);
>}
>
>static gboolean
>draw_triangle (void)
>{
>  static GLfloat rotTri = 0.0f;
>
>  sem_wait (t);
>
>  acquire_context ();
>
>  glLoadIdentity ();
>  glTranslatef (-1.5f, 0.0f, -6.0f);
>  glRotatef (rotTri, 0.0f, 1.0f, 0.0f);
>  glBegin (GL_TRIANGLES);
>  /* front of pyramid */
>  glColor3f (1.0f, 0.0f, 0.0f);
>  glVertex3f (0.0f, 1.0f, 0.0f);
>  glColor3f (0.0f, 0.0f, 1.0f);
>  glVertex3f (-1.0f, -1.0f, 1.0f);
>  glColor3f (0.0f, 1.0f, 0.0f);
>  glVertex3f (1.0f, -1.0f, 1.0f);
>  /* right side of pyramid */
>  glColor3f (1.0f, 0.0f, 0.0f);
>  glVertex3f (0.0f, 1.0f, 0.0f);
>  glColor3f (0.0f, 1.0f, 0.0f);
>  glVertex3f (1.0f, -1.0f, 1.0f);
>  glColor3f( 0.0f, 0.0f, 1.0f);
>  glVertex3f (1.0f, -1.0f, -1.0f);
>  /* back of pyramid */
>  glColor3f (1.0f, 0.0f, 0.0f);
>  glVertex3f (0.0f, 1.0f, 0.0f);
>  glColor3f (0.0f, 0.0f, 1.0f);
>  glVertex3f (1.0f, -1.0f, -1.0f);
>  glColor3f (0.0f, 1.0f, 0.0f);
>  glVertex3f (-1.0f, -1.0f, -1.0f);
>  /* left side of pyramid */
>  glColor3f (1.0f, 0.0f, 0.0f);
>  glVertex3f (0.0f, 1.0f, 0.0f);
>  glColor3f (0.0f, 1.0f, 0.0f);
>  glVertex3f (-1.0f, -1.0f, -1.0f);
>  glColor3f (0.0f, 0.0f, 1.0f);
>  glVertex3f (-1.0f, -1.0f, 1.0f);
>  glEnd ();
>
>  rotTri += 0.2f;
>
>  release_context ();
>  g_usleep (10000);
>
>  return TRUE;
>}
>
>static gboolean
>draw_rectangle ()
>{
>  static GTimer *timer = NULL;
>  static GLfloat rotQuad = 0.0f;
>
>  if (!timer)
>    timer = g_timer_new ();
>
>  sem_wait (r);
>
>  acquire_context ();
>
>  glLoadIdentity ();
>  glTranslatef (1.5f, 0.0f, -7.0f);
>  glRotatef (rotQuad, 1.0f, 0.0f, 0.0f);
>  glBegin (GL_QUADS);
>  /* top of cube */
>  glColor3f (0.0f, 1.0f, 0.0f);
>  glVertex3f (1.0f, 1.0f, -1.0f);
>  glVertex3f (-1.0f, 1.0f, -1.0f);
>  glVertex3f (-1.0f, 1.0f, 1.0f);
>  glVertex3f (1.0f, 1.0f, 1.0f);
>  /* bottom of cube */
>  glColor3f (1.0f, 0.5f, 0.0f);
>  glVertex3f (1.0f, -1.0f, 1.0f);
>  glVertex3f (-1.0f, -1.0f, 1.0f);
>  glVertex3f (-1.0f, -1.0f, -1.0f);
>  glVertex3f (1.0f, -1.0f, -1.0f);
>  /* front of cube */
>  glColor3f (1.0f, 0.0f, 0.0f);
>  glVertex3f (1.0f, 1.0f, 1.0f);
>  glVertex3f (-1.0f, 1.0f, 1.0f);
>  glVertex3f (-1.0f, -1.0f, 1.0f);
>  glVertex3f (1.0f, -1.0f, 1.0f);
>  /* back of cube */
>  glColor3f (1.0f, 1.0f, 0.0f);
>  glVertex3f (-1.0f, 1.0f, -1.0f);
>  glVertex3f (1.0f, 1.0f, -1.0f);
>  glVertex3f (1.0f, -1.0f, -1.0f);
>  glVertex3f (-1.0f, -1.0f, -1.0f);
>  /* right side of cube */
>  glColor3f (1.0f, 0.0f, 1.0f);
>  glVertex3f (1.0f, 1.0f, -1.0f);
>  glVertex3f (1.0f, 1.0f, 1.0f);
>  glVertex3f (1.0f, -1.0f, 1.0f);
>  glVertex3f (1.0f, -1.0f, -1.0f);
>  /* left side of cube */
>  glColor3f (0.0f, 1.0f, 1.0f);
>  glVertex3f (-1.0f, 1.0f, 1.0f);
>  glVertex3f (-1.0f, 1.0f, -1.0f);
>  glVertex3f (-1.0f, -1.0f, -1.0f);
>  glVertex3f (-1.0f, -1.0f, 1.0f);
>  glEnd ();
>
>  rotQuad -= 0.15f;
>
>  release_context ();
>  g_usleep (10000);
>
>  return TRUE;
>
>}
>
>static gboolean
>swap_buffers (void)
>{
>  acquire_context ();
>  glXSwapBuffers (dpy, window);
>  glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
>  release_context ();
>
>  sem_post (t);
>  sem_post (r);
>
>  return TRUE;
>}
>
>GLXContext
>init_glx (int   width,
>          int   height)
>{
>  XVisualInfo *vi;
>  Colormap cmap;
>  XSetWindowAttributes wa = {0};
>  GLXContext ctx;
>
>  vi = glXChooseVisual (dpy, screen, attr_list);
>  assert (vi);
>
>  ctx = glXCreateContext (dpy, vi, 0, GL_FALSE);
>
>  cmap = XCreateColormap (dpy,
>                          RootWindow (dpy, vi->screen),
>                          vi->visual,
>                          AllocNone);
>  wa.colormap = cmap;
>  wa.border_pixel = 0;
>
>  wa.event_mask = ExposureMask | KeyPressMask | ButtonPressMask |
>      StructureNotifyMask;
>  window = XCreateWindow (dpy,
>                          RootWindow (dpy, vi->screen),
>                          0, 0,
>                          width, height,
>                          0,
>                          vi->depth,
>                          InputOutput,
>                          vi->visual,
>                          CWBorderPixel | CWColormap | CWEventMask,
>                          &wa);
>
>  XMapRaised (dpy, window);
>
>  return ctx;
>}
>
>static void
>resize (int     width,
>        int     height)
>{
>  glViewport (0, 0, width, height);
>  glMatrixMode (GL_PROJECTION);
>  glLoadIdentity ();
>  gluPerspective (45.0f, (GLfloat)width / (GLfloat)height, 0.1f, 100.0f);
>  glMatrixMode (GL_MODELVIEW);
>
>}
>
>static void
>init_gl (void)
>{
>  glShadeModel(GL_SMOOTH);
>  glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
>  glClearDepth(1.0f);
>  glEnable(GL_DEPTH_TEST);
>  glDepthFunc(GL_LEQUAL);
>  glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
>
>}
>
>int
>main (int argc, char **argv)
>{
>  XEvent event;
>  Bool shared;
>  GMainLoop *main_loop;
>
>  dpy = XOpenDisplay (NULL);
>  assert (dpy);
>
>  screen = DefaultScreen (dpy);
>
>  semaphore = sem_open (SEMAPHORE, O_CREAT, 0644, 0);
>  if (semaphore == SEM_FAILED)
>    {
>      perror ("sem_open");
>      return 1;
>    }
>
>  r = sem_open (R, O_CREAT, 0644, 0);
>  if (r == SEM_FAILED)
>    {
>      perror ("sem_open");
>      return 1;
>    }
>
>  t = sem_open (T, O_CREAT, 0644, 0);
>  if (t == SEM_FAILED)
>    {
>      perror ("sem_open");
>      return 1;
>    }
>
>  main_loop = g_main_loop_new (NULL, FALSE);
>
>  if (argc > 2)
>    {
>      ctx = glXImportContextEXT (dpy, atoi (argv[1]));
>      printf ("Got shared context %i\n", (int)glXGetContextIDEXT (ctx));
>
>      shared = True;
>
>      window = atoi (argv[2]);
>
>      if (argc > 3 && strcmp (argv[3], "triangle") == 0)
>        g_idle_add ((GSourceFunc)draw_triangle, NULL);
>      else
>        g_idle_add ((GSourceFunc)draw_rectangle, NULL);
>    }
>
>  else
>    {
>      ctx = init_glx (width, height);
>
>      printf ("Created context %i and window %i\n",
>              (int)glXGetContextIDEXT (ctx),
>              (int)window);
>
>      glXMakeCurrent (dpy, window, ctx);
>
>      init_gl ();
>
>      resize (width, height);
>
>      glFlush ();
>
>      shared = False;
>
>      g_timeout_add (30, (GSourceFunc)swap_buffers, NULL);
>
>      release_context ();
>
>    }
>
>  g_main_loop_run (main_loop);
>
>  return 0;
>}
>
>
>
>
>

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