GLX demo app from http://glprogramming.com/blue/ch07.html#id5566579
This commit is contained in:
commit
bc7f41bbb7
1
.gitignore
vendored
Normal file
1
.gitignore
vendored
Normal file
@ -0,0 +1 @@
|
||||
glx-bare
|
5
Makefile
Normal file
5
Makefile
Normal file
@ -0,0 +1,5 @@
|
||||
|
||||
TARGET := glx-bare
|
||||
LDFLAGS := -lGL -lX11
|
||||
|
||||
all: $(TARGET)
|
43
glx-bare.c
Normal file
43
glx-bare.c
Normal file
@ -0,0 +1,43 @@
|
||||
|
||||
#include <GL/glx.h>
|
||||
#include <GL/gl.h>
|
||||
#include <unistd.h>
|
||||
static int attributeList[] = { GLX_RGBA, None };
|
||||
static Bool WaitForNotify(Display *d, XEvent *e, char *arg) {
|
||||
return (e->type == MapNotify) && (e->xmap.window == (Window)arg);
|
||||
}
|
||||
int main(int argc, char **argv) {
|
||||
Display *dpy;
|
||||
XVisualInfo *vi;
|
||||
Colormap cmap;
|
||||
XSetWindowAttributes swa;
|
||||
Window win;
|
||||
GLXContext cx;
|
||||
XEvent event;
|
||||
/* get a connection */
|
||||
dpy = XOpenDisplay(0);
|
||||
/* get an appropriate visual */
|
||||
vi = glXChooseVisual(dpy, DefaultScreen(dpy), attributeList);
|
||||
/* create a GLX context */
|
||||
cx = glXCreateContext(dpy, vi, 0, GL_FALSE);
|
||||
/* create a color map */
|
||||
cmap = XCreateColormap(dpy, RootWindow(dpy, vi->screen),
|
||||
vi->visual, AllocNone);
|
||||
/* create a window */
|
||||
swa.colormap = cmap;
|
||||
swa.border_pixel = 0;
|
||||
swa.event_mask = StructureNotifyMask;
|
||||
win = XCreateWindow(dpy, RootWindow(dpy, vi->screen), 0, 0, 100, 100,
|
||||
0, vi->depth, InputOutput, vi->visual,
|
||||
CWBorderPixel|CWColormap|CWEventMask, &swa);
|
||||
XMapWindow(dpy, win);
|
||||
XIfEvent(dpy, &event, WaitForNotify, (char*)win);
|
||||
/* connect the context to the window */
|
||||
glXMakeCurrent(dpy, win, cx);
|
||||
/* clear the buffer */
|
||||
glClearColor(1,1,0,1);
|
||||
glClear(GL_COLOR_BUFFER_BIT);
|
||||
glFlush();
|
||||
/* wait a while */
|
||||
sleep(10);
|
||||
}
|
Loading…
x
Reference in New Issue
Block a user