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-rw-r--r--progs/miniglx/miniglxtest.c194
1 files changed, 194 insertions, 0 deletions
diff --git a/progs/miniglx/miniglxtest.c b/progs/miniglx/miniglxtest.c
new file mode 100644
index 00000000000..911bf4cb869
--- /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;
+}