Remove demos that have moved to git+ssh://git.freedesktop.org/git/mesa/demos.

[mesa.git] / progs / xdemos / glxpixmap.c

diff --git a/progs/xdemos/glxpixmap.c b/progs/xdemos/glxpixmap.c
deleted file mode 100644 (file)
index e1abd22..0000000
--- a/progs/xdemos/glxpixmap.c
+++ /dev/null
@@ -1,187 +0,0 @@
-
-
-/*
- * A demonstration of using the GLXPixmap functions.  This program is in
- * the public domain.
- *
- * Brian Paul
- */
-
-
-#include <GL/gl.h>
-#define GLX_GLXEXT_PROTOTYPES
-#include <GL/glx.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-
-static GLXContext ctx;
-static XVisualInfo *visinfo;
-static GC gc;
-
-
-
-static Window make_rgb_window( Display *dpy,
-                                 unsigned int width, unsigned int height )
-{
-   const int sbAttrib[] = { GLX_RGBA,
-                            GLX_RED_SIZE, 1,
-                            GLX_GREEN_SIZE, 1,
-                            GLX_BLUE_SIZE, 1,
-                            None };
-   const int dbAttrib[] = { GLX_RGBA,
-                            GLX_RED_SIZE, 1,
-                            GLX_GREEN_SIZE, 1,
-                            GLX_BLUE_SIZE, 1,
-                            GLX_DOUBLEBUFFER,
-                            None };
-   int scrnum;
-   XSetWindowAttributes attr;
-   unsigned long mask;
-   Window root;
-   Window win;
-
-   scrnum = DefaultScreen( dpy );
-   root = RootWindow( dpy, scrnum );
-
-   visinfo = glXChooseVisual( dpy, scrnum, (int *) sbAttrib );
-   if (!visinfo) {
-      visinfo = glXChooseVisual( dpy, scrnum, (int *) dbAttrib );
-      if (!visinfo) {
-         printf("Error: couldn't get an RGB visual\n");
-         exit(1);
-      }
-   }
-
-   /* window attributes */
-   attr.background_pixel = 0;
-   attr.border_pixel = 0;
-   /* TODO: share root colormap if possible */
-   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 );
-
-   /* make an X GC so we can do XCopyArea later */
-   gc = XCreateGC( dpy, win, 0, NULL );
-
-   /* need indirect context */
-   ctx = glXCreateContext( dpy, visinfo, NULL, False );
-   if (!ctx) {
-      printf("Error: glXCreateContext failed\n");
-      exit(-1);
-   }
-
-   printf("Direct rendering: %s\n", glXIsDirect(dpy, ctx) ? "Yes" : "No");
-
-   return win;
-}
-
-
-static GLXPixmap make_pixmap( Display *dpy, Window win,
-                              unsigned int width, unsigned int height,
-                               Pixmap *pixmap)
-{
-   Pixmap pm;
-   GLXPixmap glxpm;
-   XWindowAttributes attr;
-
-   pm = XCreatePixmap( dpy, win, width, height, visinfo->depth );
-   if (!pm) {
-      printf("Error: XCreatePixmap failed\n");
-      exit(-1);
-   }
-
-   XGetWindowAttributes( dpy, win, &attr );
-
-   /*
-    * IMPORTANT:
-    *   Use the glXCreateGLXPixmapMESA funtion when using Mesa because
-    *   Mesa needs to know the colormap associated with a pixmap in order
-    *   to render correctly.  This is because Mesa allows RGB rendering
-    *   into any kind of visual, not just TrueColor or DirectColor.
-    */
-#ifdef GLX_MESA_pixmap_colormap
-   if (strstr(glXQueryExtensionsString(dpy, 0), "GLX_MESA_pixmap_colormap")) {
-      /* stand-alone Mesa, specify the colormap */
-      glxpm = glXCreateGLXPixmapMESA( dpy, visinfo, pm, attr.colormap );
-   }
-   else {
-      glxpm = glXCreateGLXPixmap( dpy, visinfo, pm );
-   }
-#else
-   /* This will work with Mesa too if the visual is TrueColor or DirectColor */
-   glxpm = glXCreateGLXPixmap( dpy, visinfo, pm );
-#endif
-
-   if (!glxpm) {
-      printf("Error: GLXCreateGLXPixmap failed\n");
-      exit(-1);
-   }
-
-   *pixmap = pm;
-
-   return glxpm;
-}
-
-
-
-static void event_loop( Display *dpy, GLXPixmap pm )
-{
-   XEvent event;
-
-   while (1) {
-      XNextEvent( dpy, &event );
-
-      switch (event.type) {
-        case Expose:
-           printf("Redraw\n");
-           /* copy the image from GLXPixmap to window */
-           XCopyArea( dpy, pm, event.xany.window,  /* src, dest */
-                      gc, 0, 0, 300, 300,          /* gc, src pos, size */
-                      0, 0 );                      /* dest pos */
-           break;
-        case ConfigureNotify:
-           /* nothing */
-           break;
-      }
-   }
-}
-
-
-
-int main( int argc, char *argv[] )
-{
-   Display *dpy;
-   Window win;
-   Pixmap pm;
-   GLXPixmap glxpm;
-
-   dpy = XOpenDisplay(NULL);
-
-   win = make_rgb_window( dpy, 300, 300 );
-   glxpm = make_pixmap( dpy, win, 300, 300, &pm );
-
-   glXMakeCurrent( dpy, glxpm, ctx );
-   printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
-
-   /* Render an image into the pixmap */
-   glShadeModel( GL_FLAT );
-   glClearColor( 0.5, 0.5, 0.5, 1.0 );
-   glClear( GL_COLOR_BUFFER_BIT );
-   glViewport( 0, 0, 300, 300 );
-   glOrtho( -1.0, 1.0, -1.0, 1.0, -1.0, 1.0 );
-   glColor3f( 0.0, 1.0, 1.0 );
-   glRectf( -0.75, -0.75, 0.75, 0.75 );
-   glFlush();
-   glXWaitGL();
-
-   XMapWindow( dpy, win );
-
-   event_loop( dpy, pm );
-   return 0;
-}