diff options
Diffstat (limited to 'progs/miniglx/miniglxsample.c')
-rw-r--r-- | progs/miniglx/miniglxsample.c | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/progs/miniglx/miniglxsample.c b/progs/miniglx/miniglxsample.c deleted file mode 100644 index d4d6729f932..00000000000 --- a/progs/miniglx/miniglxsample.c +++ /dev/null @@ -1,128 +0,0 @@ - -#define USE_MINIGLX 1 /* 1 = use Mini GLX, 0 = use Xlib/GLX */ - -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <GL/gl.h> - -#if USE_MINIGLX -#include <GL/miniglx.h> -#else -#include <GL/glx.h> -#include <X11/Xlib.h> -#endif - -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(); -} - - -/* - * Create a simple double-buffered RGBA window. - */ -static Window -MakeWindow(Display * dpy, unsigned int width, unsigned int height) -{ - int visAttributes[] = { - GLX_RGBA, - GLX_RED_SIZE, 1, - GLX_GREEN_SIZE, 1, - GLX_BLUE_SIZE, 1, - GLX_DOUBLEBUFFER, - None - }; - XSetWindowAttributes attr; - unsigned long attrMask; - Window root; - Window win; - GLXContext ctx; - XVisualInfo *visinfo; - - root = RootWindow(dpy, 0); - - /* Choose GLX visual / pixel format */ - visinfo = glXChooseVisual(dpy, 0, visAttributes); - if (!visinfo) { - printf("Error: couldn't get an RGB, Double-buffered visual\n"); - exit(1); - } - - /* Create the window */ - attr.background_pixel = 0; - attr.border_pixel = 0; - attr.colormap = XCreateColormap(dpy, root, visinfo->visual, AllocNone); - attrMask = CWBackPixel | CWBorderPixel | CWColormap; - win = XCreateWindow(dpy, root, 0, 0, width, height, - 0, visinfo->depth, InputOutput, - visinfo->visual, attrMask, &attr); - if (!win) { - printf("Error: XCreateWindow failed\n"); - exit(1); - } - - /* Display the window */ - XMapWindow(dpy, win); - - /* Create GLX rendering context */ - ctx = glXCreateContext(dpy, visinfo, NULL, True); - if (!ctx) { - printf("Error: glXCreateContext failed\n"); - exit(1); - } - - /* Bind the rendering context and window */ - glXMakeCurrent(dpy, win, ctx); - - glViewport(0, 0, width, height); - - return win; -} - - -/* - * Draw a few frames of a rotating square. - */ -static void -DrawFrames(Display * dpy, Window win) -{ - int angle; - glShadeModel(GL_FLAT); - glClearColor(0.5, 0.5, 0.5, 1.0); - for (angle = 0; angle < 360; angle += 10) { - glClear(GL_COLOR_BUFFER_BIT); - glColor3f(1.0, 1.0, 0.0); - glPushMatrix(); - glRotatef(angle, 0, 0, 1); - _subset_Rectf(-0.8, -0.8, 0.8, 0.8); - glPopMatrix(); - glXSwapBuffers(dpy, win); - sleep(1); - } -} - - -int -main(int argc, char *argv[]) -{ - Display *dpy; - Window win; - - dpy = XOpenDisplay(NULL); - if (!dpy) { - printf("Error: XOpenDisplay failed\n"); - return 1; - } - - win = MakeWindow(dpy, 300, 300); - - DrawFrames(dpy, win); - - return 0; -} |