miniglx test programs

1 files changed, 194 insertions, 0 deletions

diff --git a/progs/miniglx/miniglxtest.c b/progs/miniglx/miniglxtest.c
new file mode 100644
index 0000000000..911bf4cb86
--- /dev/null
+++ b/progs/miniglx/miniglxtest.c
@@ -0,0 +1,194 @@
+/* $Id: miniglxtest.c,v 1.1 2003/08/06 17:47:15 keithw Exp $ */
+
+/*
+ * Test the mini GLX interface.
+ */
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <GL/gl.h>
+#define USE_MINI_GLX 1
+#if USE_MINI_GLX
+#include <GL/miniglx.h>
+#else
+#include <GL/glx.h>
+#endif
+
+#define FRONTBUFFER 1
+#define NR          6
+#define DO_SLEEPS   1
+#define NR_DISPLAYS 2
+
+GLXContext ctx;
+
+
+static void _subset_Rectf( GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2 )
+{
+   glBegin( GL_QUADS );
+   glVertex2f( x1, y1 );
+   glVertex2f( x2, y1 );
+   glVertex2f( x2, y2 );
+   glVertex2f( x1, y2 );
+   glEnd();
+}
+
+
+
+static void redraw( Display *dpy, Window w, int rot )
+{
+   printf("Redraw event\n");
+
+#if FRONTBUFFER
+    glDrawBuffer( GL_FRONT ); 
+#else
+/*     glDrawBuffer( GL_BACK );    */
+#endif
+
+   glClearColor( rand()/(float)RAND_MAX, 
+		 rand()/(float)RAND_MAX, 
+		 rand()/(float)RAND_MAX,
+		 1);
+
+   glClear( GL_COLOR_BUFFER_BIT ); 
+
+#if 1
+   glColor3f( rand()/(float)RAND_MAX, 
+	      rand()/(float)RAND_MAX, 
+	      rand()/(float)RAND_MAX );
+   glPushMatrix();
+   glRotatef(rot, 0, 0, 1);
+   glScalef(.5, .5, .5);
+   _subset_Rectf( -1, -1, 1, 1 );
+   glPopMatrix();
+#endif
+
+#if FRONTBUFFER
+   glFlush();
+#else
+   glXSwapBuffers( dpy, w ); 
+#endif
+   glFinish();
+}
+
+
+static Window make_rgb_db_window( Display *dpy,
+				  unsigned int width, unsigned int height )
+{
+   int attrib[] = { GLX_RGBA,
+		    GLX_RED_SIZE, 1,
+		    GLX_GREEN_SIZE, 1,
+		    GLX_BLUE_SIZE, 1,
+#if !FRONT_BUFFER
+ 		    GLX_DOUBLEBUFFER, 
+#endif
+		    None };
+   int scrnum;
+   XSetWindowAttributes attr;
+   unsigned long mask;
+   Window root;
+   Window win;
+   XVisualInfo *visinfo;
+
+   scrnum = 0;
+   root = RootWindow( dpy, scrnum );
+
+   if (!(visinfo = glXChooseVisual( dpy, scrnum, attrib ))) {
+      printf("Error: couldn't get an RGB, Double-buffered visual\n");
+      exit(1);
+   }
+
+   if(!(ctx = glXCreateContext( dpy, visinfo, NULL, True ))) {
+      printf("Error: glXCreateContext failed\n");
+      exit(1);
+   }
+
+   /* window attributes */
+   attr.background_pixel = 0;
+   attr.border_pixel = 0;
+   attr.colormap = XCreateColormap( dpy, root, visinfo->visual, AllocNone);
+   attr.event_mask = StructureNotifyMask | ExposureMask;
+   mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
+
+   win = XCreateWindow( dpy, root, 0, 0, width, height,
+		        0, visinfo->depth, InputOutput,
+		        visinfo->visual, mask, &attr );
+   if (!win) {
+      printf("Error: XCreateWindow failed\n");
+      exit(1);
+   }
+
+   glXMakeCurrent( dpy, win, ctx );
+
+   glViewport(0, 0, width, height);
+
+   return win;
+}
+
+
+static void event_loop( Display *dpy, Window win )
+{
+   int i;
+
+   printf("Hang on... drawing %d frames\n", NR);
+   for (i = 0; i < NR; i++) {
+      redraw( dpy, win, i*10 );
+      if (DO_SLEEPS) {
+	 printf("sleep(1)\n");   
+	 sleep(1);  
+      }
+   }
+}
+
+
+int foo( )
+{
+   Display *dpy;
+   Window win;
+
+   dpy = XOpenDisplay(NULL);
+   if (!dpy) {
+      printf("Error: XOpenDisplay failed\n");
+      return 1;
+   }
+
+   win = make_rgb_db_window( dpy, 800, 600);
+
+   srand(getpid());
+
+   glShadeModel( GL_FLAT );
+   glClearColor( 0.5, 0.5, 0.5, 1.0 );
+
+   XMapWindow( dpy, win );
+
+   {
+      XEvent e;
+      while (1) {
+	 XNextEvent( dpy, &e );
+	 if (e.type == MapNotify && e.xmap.window == win) {
+	    break;
+	 }
+      }
+   }
+
+   event_loop( dpy, win );
+
+   glXDestroyContext( dpy, ctx );
+   XDestroyWindow( dpy, win );
+
+   XCloseDisplay( dpy );
+
+   return 0;
+}
+
+
+int main()
+{
+   int i;
+   for (i = 0 ; i < NR_DISPLAYS ; i++) {
+      if (foo() != 0)
+	 break;
+   }
+
+   return 0;
+}