add glx-dbl-bare, in progress
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8
glx-dbl-bare/Makefile
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8
glx-dbl-bare/Makefile
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TARGET := glx-dbl-bare
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LDFLAGS := -lGL -lX11
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all: $(TARGET)
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clean:
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-rm -f *.o $(TARGET)
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50
glx-dbl-bare/glx-dbl-bare.c
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glx-dbl-bare/glx-dbl-bare.c
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#include <GL/glx.h>
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#include <GL/gl.h>
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#include <unistd.h>
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static int attributeList[] = { GLX_RGBA, None };
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static Bool WaitForNotify(Display *d, XEvent *e, char *arg)
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{
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return (e->type == MapNotify) && (e->xmap.window == (Window)arg);
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}
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int main(int argc, char **argv)
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{
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Display *dpy;
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XVisualInfo *vi;
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Colormap cmap;
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XSetWindowAttributes swa;
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Window win;
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GLXContext cx;
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XEvent event;
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/* get a connection */
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dpy = XOpenDisplay(0);
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/* get an appropriate visual */
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vi = glXChooseVisual(dpy, DefaultScreen(dpy), attributeList);
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/* create a GLX context */
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cx = glXCreateContext(dpy, vi, 0, GL_FALSE);
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/* create a color map */
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cmap = XCreateColormap(dpy, RootWindow(dpy, vi->screen),
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vi->visual, AllocNone);
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/* create a window */
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swa.colormap = cmap;
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swa.border_pixel = 0;
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swa.event_mask = StructureNotifyMask;
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win = XCreateWindow(dpy, RootWindow(dpy, vi->screen), 0, 0, 100, 100,
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0, vi->depth, InputOutput, vi->visual,
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CWBorderPixel|CWColormap|CWEventMask, &swa);
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XMapWindow(dpy, win);
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XIfEvent(dpy, &event, WaitForNotify, (char*)win);
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/* connect the context to the window */
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glXMakeCurrent(dpy, win, cx);
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/* clear the buffer */
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glClearColor(1,1,0,1);
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glClear(GL_COLOR_BUFFER_BIT);
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glFlush();
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/* wait a while */
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sleep(10);
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}
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