1 /* $Id: glx.c,v 1.6 2004-05-20 02:15:15 btb Exp $ */
4 * opengl platform specific functions for GLX - Added 9/15/99 Matthew Mueller
23 #include <X11/extensions/xf86dga.h>
24 #include <X11/extensions/xf86vmode.h>
28 #include <X11/Xatom.h>
33 #include <X11/Xm/MwmUtil.h>
37 /* bit definitions for MwmHints.flags */
38 #define MWM_HINTS_FUNCTIONS (1L << 0)
39 #define MWM_HINTS_DECORATIONS (1L << 1)
40 #define MWM_HINTS_INPUT_MODE (1L << 2)
41 #define MWM_HINTS_STATUS (1L << 3)
43 /* bit definitions for MwmHints.functions */
44 #define MWM_FUNC_ALL (1L << 0)
45 #define MWM_FUNC_RESIZE (1L << 1)
46 #define MWM_FUNC_MOVE (1L << 2)
47 #define MWM_FUNC_MINIMIZE (1L << 3)
48 #define MWM_FUNC_MAXIMIZE (1L << 4)
49 #define MWM_FUNC_CLOSE (1L << 5)
52 /* bit definitions for MwmHints.decorations */
53 #define MWM_DECOR_ALL (1L << 0)
54 #define MWM_DECOR_BORDER (1L << 1)
55 #define MWM_DECOR_RESIZEH (1L << 2)
56 #define MWM_DECOR_TITLE (1L << 3)
57 #define MWM_DECOR_MENU (1L << 4)
58 #define MWM_DECOR_MINIMIZE (1L << 5)
59 #define MWM_DECOR_MAXIMIZE (1L << 6)
64 unsigned long functions;
65 unsigned long decorations;
70 #define PROP_MOTIF_WM_HINTS_ELEMENTS 5
77 * Specify which Motif window manager border decorations to put on a * top-level window. For example, you can specify that
78 a window is not * resizabe, or omit the titlebar, or completely remove all decorations. * Input: dpy - the X display
80 * flags - bitwise-OR of the MWM_DECOR_xxx symbols in
82 * indicating what decoration elements to enable. Zero would
85 void set_mwm_border( Display *dpy, Window w, unsigned long dflags,unsigned long fflags ) {
86 PropMotifWmHints motif_hints;
89 /* setup the property */
90 motif_hints.flags = MWM_HINTS_DECORATIONS|MWM_HINTS_FUNCTIONS;
91 motif_hints.decorations = dflags;
92 motif_hints.functions = fflags;
94 /* get the atom for the property */
95 prop = XInternAtom( dpy, "_MOTIF_WM_HINTS", True ); if (!prop) {
96 mprintf((0,"set_mwm_border: prop==0\n"));
97 /* something went wrong! */
101 /* not sure this is correct, seems to work, XA_WM_HINTS didn't work */ proptype = prop;
103 XChangeProperty( dpy, w, /* display, window */ prop, proptype, /* property, type */
104 32, /* format: 32-bit datums */ PropModeReplace, /* mode */
105 (unsigned char *) &motif_hints, /* data */ PROP_MOTIF_WM_HINTS_ELEMENTS /* nelements */);
108 int glx_erbase,glx_evbase;
110 XSetWindowAttributes swa;
112 XVisualInfo *visinfo;
113 GLXContext glxcontext;
114 Pixmap blankpixmap=None;
115 Cursor blankcursor=None;
118 void set_wm_hints(int fullscreen){
119 XSizeHints *hints=NULL;
122 // return;//seems screwed.
123 if (!hints) hints=XAllocSizeHints();
124 hints->width=hints->min_width=hints->max_width=hints->base_width=grd_curscreen->sc_w;
125 hints->height=hints->min_height=hints->max_height=hints->base_height=grd_curscreen->sc_h;
126 hints->flags=PSize|PMinSize|PMaxSize|PBaseSize;
127 // hints->min_width=hints->max_width=grd_curscreen->sc_w;
128 // hints->min_height=hints->max_height=grd_curscreen->sc_h;
129 // hints->flags=PMinSize|PMaxSize;
130 XSetWMNormalHints(dpy,win,hints);
133 set_mwm_border(dpy,win,0,0);
135 set_mwm_border(dpy,win,MWM_DECOR_TITLE|MWM_DECOR_BORDER,MWM_FUNC_MOVE|MWM_FUNC_CLOSE);
139 static int attribs[]={GLX_RGBA,GLX_DOUBLEBUFFER,GLX_DEPTH_SIZE,0,GLX_STENCIL_SIZE,0,
140 GLX_ACCUM_RED_SIZE,0,GLX_ACCUM_GREEN_SIZE,0,GLX_ACCUM_BLUE_SIZE,0,GLX_ACCUM_ALPHA_SIZE,0,None};
142 void ogl_do_fullscreen_internal(void){
143 // ogl_smash_texture_list_internal();//not needed
146 XMoveWindow(dpy,win,0,0);
147 // XDefineCursor(dpy,win,blankcursor);
148 //XGrabPointer(dpy,win,0,swa.event_mask,GrabModeAsync,GrabModeAsync,win,blankcursor,CurrentTime);
149 XGrabPointer(dpy,win,1,ButtonPressMask | ButtonReleaseMask | PointerMotionMask,GrabModeAsync,GrabModeAsync,win,blankcursor,CurrentTime);
150 // XGrabKeyboard(dpy,win,1,GrabModeAsync,GrabModeAsync,CurrentTime);//grabbing keyboard doesn't seem to do much good anyway.
153 //make ogl_fullscreen
154 //can you even do this with DGA ? just resizing with ctrl-alt-(-/+) caused X to die a horrible death.
155 //might have to kill the window/context/whatever first? HRm.
159 // XUndefineCursor(dpy,win);
160 XUngrabPointer(dpy,CurrentTime);
161 // XUngrabKeyboard(dpy,CurrentTime);
168 int ogl_setbrightness_internal(void)
170 return -1; // TODO: not yet implemented
173 inline void ogl_swap_buffers_internal(void){
174 glXSwapBuffers(dpy,win);
176 int ogl_init_window(int x, int y){
178 XResizeWindow(dpy,win,x,y);
179 set_wm_hints(ogl_fullscreen);
182 glxcontext=glXCreateContext(dpy,visinfo,0,GL_TRUE);
185 swa.colormap=XCreateColormap(dpy,RootWindow(dpy,visinfo->screen),visinfo->visual,AllocNone);
188 swa.event_mask=ExposureMask | StructureNotifyMask | KeyPressMask | KeyReleaseMask| ButtonPressMask | ButtonReleaseMask | PointerMotionMask;
189 //win = XCreateWindow(dpy,RootWindow(dpy,visinfo->screen),0,0,x,y,0,visinfo->depth,InputOutput,visinfo->visual,CWBorderPixel|CWColormap|CWEventMask,&swa);
190 win = XCreateWindow(dpy,RootWindow(dpy,visinfo->screen),0,0,x,y,0,visinfo->depth,InputOutput,visinfo->visual,CWColormap|CWEventMask,&swa);
192 XStoreName(dpy,win,DESCENT_VERSION);
193 // XStoreName(dpy,win,"agry");
197 glXMakeCurrent(dpy,win,glxcontext);
199 set_wm_hints(ogl_fullscreen);
205 unsigned char *blankdata;
207 XQueryBestCursor(dpy,win,1,1,&w,&h);
208 // mprintf((0,"bestcursor %ix%i\n",w,h));
209 blankdata=d_malloc(w*h/8);
210 memset(blankdata,0,w*h/8);
211 memset(&blankcolor,0,sizeof(XColor));
212 blankpixmap=XCreateBitmapFromData(dpy,win,blankdata,w,h);
213 blankcursor=XCreatePixmapCursor(dpy,blankpixmap,blankpixmap,&blankcolor,&blankcolor,w,h);
219 ogl_do_fullscreen_internal();
220 // gr_do_fullscreen(ogl_fullscreen);
223 init_gii_xwin(dpy,win);
227 void ogl_destroy_window(void){
229 glXDestroyContext(dpy,glxcontext);
230 XDestroyWindow(dpy,win);
231 XFreeColormap(dpy,swa.colormap);
239 Error("no display\n");
240 else if (glXQueryExtension(dpy,&glx_erbase,&glx_evbase)==False)
242 else if (!(visinfo = glXChooseVisual(dpy,DefaultScreen(dpy),attribs)))
243 Error("no visual\n");
245 void ogl_close(void){
248 ogl_do_fullscreen_internal();
250 ogl_destroy_window();
251 if (blankcursor!=None){
252 XFreeCursor(dpy,blankcursor);
253 XFreePixmap(dpy,blankpixmap);