3 * opengl platform specific functions for GLX - Added 9/15/99 Matthew Mueller
22 #include <X11/extensions/xf86dga.h>
23 #include <X11/extensions/xf86vmode.h>
27 #include <X11/Xatom.h>
32 #include <X11/Xm/MwmUtil.h>
36 /* bit definitions for MwmHints.flags */
37 #define MWM_HINTS_FUNCTIONS (1L << 0)
38 #define MWM_HINTS_DECORATIONS (1L << 1)
39 #define MWM_HINTS_INPUT_MODE (1L << 2)
40 #define MWM_HINTS_STATUS (1L << 3)
42 /* bit definitions for MwmHints.functions */
43 #define MWM_FUNC_ALL (1L << 0)
44 #define MWM_FUNC_RESIZE (1L << 1)
45 #define MWM_FUNC_MOVE (1L << 2)
46 #define MWM_FUNC_MINIMIZE (1L << 3)
47 #define MWM_FUNC_MAXIMIZE (1L << 4)
48 #define MWM_FUNC_CLOSE (1L << 5)
51 /* bit definitions for MwmHints.decorations */
52 #define MWM_DECOR_ALL (1L << 0)
53 #define MWM_DECOR_BORDER (1L << 1)
54 #define MWM_DECOR_RESIZEH (1L << 2)
55 #define MWM_DECOR_TITLE (1L << 3)
56 #define MWM_DECOR_MENU (1L << 4)
57 #define MWM_DECOR_MINIMIZE (1L << 5)
58 #define MWM_DECOR_MAXIMIZE (1L << 6)
63 unsigned long functions;
64 unsigned long decorations;
69 #define PROP_MOTIF_WM_HINTS_ELEMENTS 5
76 * Specify which Motif window manager border decorations to put on a * top-level window. For example, you can specify that
77 a window is not * resizabe, or omit the titlebar, or completely remove all decorations. * Input: dpy - the X display
79 * flags - bitwise-OR of the MWM_DECOR_xxx symbols in
81 * indicating what decoration elements to enable. Zero would
84 void set_mwm_border( Display *dpy, Window w, unsigned long dflags,unsigned long fflags ) {
85 PropMotifWmHints motif_hints;
88 /* setup the property */
89 motif_hints.flags = MWM_HINTS_DECORATIONS|MWM_HINTS_FUNCTIONS;
90 motif_hints.decorations = dflags;
91 motif_hints.functions = fflags;
93 /* get the atom for the property */
94 prop = XInternAtom( dpy, "_MOTIF_WM_HINTS", True ); if (!prop) {
95 mprintf((0,"set_mwm_border: prop==0\n"));
96 /* something went wrong! */
100 /* not sure this is correct, seems to work, XA_WM_HINTS didn't work */ proptype = prop;
102 XChangeProperty( dpy, w, /* display, window */ prop, proptype, /* property, type */
103 32, /* format: 32-bit datums */ PropModeReplace, /* mode */
104 (unsigned char *) &motif_hints, /* data */ PROP_MOTIF_WM_HINTS_ELEMENTS /* nelements */);
107 int glx_erbase,glx_evbase;
109 XSetWindowAttributes swa;
111 XVisualInfo *visinfo;
112 GLXContext glxcontext;
113 Pixmap blankpixmap=None;
114 Cursor blankcursor=None;
117 void set_wm_hints(int fullscreen){
118 XSizeHints *hints=NULL;
121 // return;//seems screwed.
122 if (!hints) hints=XAllocSizeHints();
123 hints->width=hints->min_width=hints->max_width=hints->base_width=grd_curscreen->sc_w;
124 hints->height=hints->min_height=hints->max_height=hints->base_height=grd_curscreen->sc_h;
125 hints->flags=PSize|PMinSize|PMaxSize|PBaseSize;
126 // hints->min_width=hints->max_width=grd_curscreen->sc_w;
127 // hints->min_height=hints->max_height=grd_curscreen->sc_h;
128 // hints->flags=PMinSize|PMaxSize;
129 XSetWMNormalHints(dpy,win,hints);
132 set_mwm_border(dpy,win,0,0);
134 set_mwm_border(dpy,win,MWM_DECOR_TITLE|MWM_DECOR_BORDER,MWM_FUNC_MOVE|MWM_FUNC_CLOSE);
138 static int attribs[]={GLX_RGBA,GLX_DOUBLEBUFFER,GLX_DEPTH_SIZE,0,GLX_STENCIL_SIZE,0,
139 GLX_ACCUM_RED_SIZE,0,GLX_ACCUM_GREEN_SIZE,0,GLX_ACCUM_BLUE_SIZE,0,GLX_ACCUM_ALPHA_SIZE,0,None};
141 void ogl_do_fullscreen_internal(void){
142 // ogl_smash_texture_list_internal();//not needed
145 XMoveWindow(dpy,win,0,0);
146 // XDefineCursor(dpy,win,blankcursor);
147 //XGrabPointer(dpy,win,0,swa.event_mask,GrabModeAsync,GrabModeAsync,win,blankcursor,CurrentTime);
148 XGrabPointer(dpy,win,1,ButtonPressMask | ButtonReleaseMask | PointerMotionMask,GrabModeAsync,GrabModeAsync,win,blankcursor,CurrentTime);
149 // XGrabKeyboard(dpy,win,1,GrabModeAsync,GrabModeAsync,CurrentTime);//grabbing keyboard doesn't seem to do much good anyway.
152 //make ogl_fullscreen
153 //can you even do this with DGA ? just resizing with ctrl-alt-(-/+) caused X to die a horrible death.
154 //might have to kill the window/context/whatever first? HRm.
158 // XUndefineCursor(dpy,win);
159 XUngrabPointer(dpy,CurrentTime);
160 // XUngrabKeyboard(dpy,CurrentTime);
167 int ogl_setbrightness_internal(void)
169 return -1; // TODO: not yet implemented
172 inline void ogl_swap_buffers_internal(void){
173 glXSwapBuffers(dpy,win);
175 int ogl_init_window(int x, int y){
177 XResizeWindow(dpy,win,x,y);
178 set_wm_hints(ogl_fullscreen);
181 glxcontext=glXCreateContext(dpy,visinfo,0,GL_TRUE);
184 swa.colormap=XCreateColormap(dpy,RootWindow(dpy,visinfo->screen),visinfo->visual,AllocNone);
187 swa.event_mask=ExposureMask | StructureNotifyMask | KeyPressMask | KeyReleaseMask| ButtonPressMask | ButtonReleaseMask | PointerMotionMask;
188 //win = XCreateWindow(dpy,RootWindow(dpy,visinfo->screen),0,0,x,y,0,visinfo->depth,InputOutput,visinfo->visual,CWBorderPixel|CWColormap|CWEventMask,&swa);
189 win = XCreateWindow(dpy,RootWindow(dpy,visinfo->screen),0,0,x,y,0,visinfo->depth,InputOutput,visinfo->visual,CWColormap|CWEventMask,&swa);
191 XStoreName(dpy,win,DESCENT_VERSION);
192 // XStoreName(dpy,win,"agry");
196 glXMakeCurrent(dpy,win,glxcontext);
198 set_wm_hints(ogl_fullscreen);
204 unsigned char *blankdata;
206 XQueryBestCursor(dpy,win,1,1,&w,&h);
207 // mprintf((0,"bestcursor %ix%i\n",w,h));
208 blankdata=d_malloc(w*h/8);
209 memset(blankdata,0,w*h/8);
210 memset(&blankcolor,0,sizeof(XColor));
211 blankpixmap=XCreateBitmapFromData(dpy,win,blankdata,w,h);
212 blankcursor=XCreatePixmapCursor(dpy,blankpixmap,blankpixmap,&blankcolor,&blankcolor,w,h);
218 ogl_do_fullscreen_internal();
219 // do_fullscreen(ogl_fullscreen);
223 void ogl_destroy_window(void){
225 glXDestroyContext(dpy,glxcontext);
226 XDestroyWindow(dpy,win);
227 XFreeColormap(dpy,swa.colormap);
235 Error("no display\n");
236 else if (glXQueryExtension(dpy,&glx_erbase,&glx_evbase)==False)
238 else if (!(visinfo = glXChooseVisual(dpy,DefaultScreen(dpy),attribs)))
239 Error("no visual\n");
241 void ogl_close(void){
244 ogl_do_fullscreen_internal();
246 ogl_destroy_window();
247 if (blankcursor!=None){
248 XFreeCursor(dpy,blankcursor);
249 XFreePixmap(dpy,blankpixmap);