2 * $Source: /cvs/cvsroot/d2x/video/ogl_glx.c,v $
5 * $Date: 2001-01-29 13:47:52 $
7 * opengl platform specific functions for GLX - Added 9/15/99 Matthew Mueller
9 * $Log: not supported by cvs2svn $
26 #include <X11/extensions/xf86dga.h>
27 #include <X11/extensions/xf86vmode.h>
31 #include <X11/Xatom.h>
36 #include <X11/Xm/MwmUtil.h>
40 /* bit definitions for MwmHints.flags */
41 #define MWM_HINTS_FUNCTIONS (1L << 0)
42 #define MWM_HINTS_DECORATIONS (1L << 1)
43 #define MWM_HINTS_INPUT_MODE (1L << 2)
44 #define MWM_HINTS_STATUS (1L << 3)
46 /* bit definitions for MwmHints.functions */
47 #define MWM_FUNC_ALL (1L << 0)
48 #define MWM_FUNC_RESIZE (1L << 1)
49 #define MWM_FUNC_MOVE (1L << 2)
50 #define MWM_FUNC_MINIMIZE (1L << 3)
51 #define MWM_FUNC_MAXIMIZE (1L << 4)
52 #define MWM_FUNC_CLOSE (1L << 5)
55 /* bit definitions for MwmHints.decorations */
56 #define MWM_DECOR_ALL (1L << 0)
57 #define MWM_DECOR_BORDER (1L << 1)
58 #define MWM_DECOR_RESIZEH (1L << 2)
59 #define MWM_DECOR_TITLE (1L << 3)
60 #define MWM_DECOR_MENU (1L << 4)
61 #define MWM_DECOR_MINIMIZE (1L << 5)
62 #define MWM_DECOR_MAXIMIZE (1L << 6)
67 unsigned long functions;
68 unsigned long decorations;
73 #define PROP_MOTIF_WM_HINTS_ELEMENTS 5
80 * Specify which Motif window manager border decorations to put on a * top-level window. For example, you can specify that
81 a window is not * resizabe, or omit the titlebar, or completely remove all decorations. * Input: dpy - the X display
83 * flags - bitwise-OR of the MWM_DECOR_xxx symbols in
85 * indicating what decoration elements to enable. Zero would
88 void set_mwm_border( Display *dpy, Window w, unsigned long dflags,unsigned long fflags ) {
89 PropMotifWmHints motif_hints;
92 /* setup the property */
93 motif_hints.flags = MWM_HINTS_DECORATIONS|MWM_HINTS_FUNCTIONS;
94 motif_hints.decorations = dflags;
95 motif_hints.functions = fflags;
97 /* get the atom for the property */
98 prop = XInternAtom( dpy, "_MOTIF_WM_HINTS", True ); if (!prop) {
99 mprintf((0,"set_mwm_border: prop==0\n"));
100 /* something went wrong! */
104 /* not sure this is correct, seems to work, XA_WM_HINTS didn't work */ proptype = prop;
106 XChangeProperty( dpy, w, /* display, window */ prop, proptype, /* property, type */
107 32, /* format: 32-bit datums */ PropModeReplace, /* mode */
108 (unsigned char *) &motif_hints, /* data */ PROP_MOTIF_WM_HINTS_ELEMENTS /* nelements */);
111 int glx_erbase,glx_evbase;
113 XSetWindowAttributes swa;
115 XVisualInfo *visinfo;
116 GLXContext glxcontext;
117 Pixmap blankpixmap=None;
118 Cursor blankcursor=None;
121 void set_wm_hints(int fullscreen){
122 XSizeHints *hints=NULL;
125 // return;//seems screwed.
126 if (!hints) hints=XAllocSizeHints();
127 hints->width=hints->min_width=hints->max_width=hints->base_width=grd_curscreen->sc_w;
128 hints->height=hints->min_height=hints->max_height=hints->base_height=grd_curscreen->sc_h;
129 hints->flags=PSize|PMinSize|PMaxSize|PBaseSize;
130 // hints->min_width=hints->max_width=grd_curscreen->sc_w;
131 // hints->min_height=hints->max_height=grd_curscreen->sc_h;
132 // hints->flags=PMinSize|PMaxSize;
133 XSetWMNormalHints(dpy,win,hints);
136 set_mwm_border(dpy,win,0,0);
138 set_mwm_border(dpy,win,MWM_DECOR_TITLE|MWM_DECOR_BORDER,MWM_FUNC_MOVE|MWM_FUNC_CLOSE);
142 static int attribs[]={GLX_RGBA,GLX_DOUBLEBUFFER,GLX_DEPTH_SIZE,0,GLX_STENCIL_SIZE,0,
143 GLX_ACCUM_RED_SIZE,0,GLX_ACCUM_GREEN_SIZE,0,GLX_ACCUM_BLUE_SIZE,0,GLX_ACCUM_ALPHA_SIZE,0,None};
145 void ogl_do_fullscreen_internal(void){
146 // ogl_smash_texture_list_internal();//not needed
149 XMoveWindow(dpy,win,0,0);
150 // XDefineCursor(dpy,win,blankcursor);
151 //XGrabPointer(dpy,win,0,swa.event_mask,GrabModeAsync,GrabModeAsync,win,blankcursor,CurrentTime);
152 XGrabPointer(dpy,win,1,ButtonPressMask | ButtonReleaseMask | PointerMotionMask,GrabModeAsync,GrabModeAsync,win,blankcursor,CurrentTime);
153 // XGrabKeyboard(dpy,win,1,GrabModeAsync,GrabModeAsync,CurrentTime);//grabbing keyboard doesn't seem to do much good anyway.
156 //make ogl_fullscreen
157 //can you even do this with DGA ? just resizing with ctrl-alt-(-/+) caused X to die a horrible death.
158 //might have to kill the window/context/whatever first? HRm.
162 // XUndefineCursor(dpy,win);
163 XUngrabPointer(dpy,CurrentTime);
164 // XUngrabKeyboard(dpy,CurrentTime);
171 inline void ogl_swap_buffers_internal(void){
172 glXSwapBuffers(dpy,win);
174 int ogl_init_window(int x, int y){
176 XResizeWindow(dpy,win,x,y);
178 glxcontext=glXCreateContext(dpy,visinfo,0,GL_TRUE);
181 swa.colormap=XCreateColormap(dpy,RootWindow(dpy,visinfo->screen),visinfo->visual,AllocNone);
184 swa.event_mask=ExposureMask | StructureNotifyMask | KeyPressMask | KeyReleaseMask| ButtonPressMask | ButtonReleaseMask | PointerMotionMask;
185 //win = XCreateWindow(dpy,RootWindow(dpy,visinfo->screen),0,0,x,y,0,visinfo->depth,InputOutput,visinfo->visual,CWBorderPixel|CWColormap|CWEventMask,&swa);
186 win = XCreateWindow(dpy,RootWindow(dpy,visinfo->screen),0,0,x,y,0,visinfo->depth,InputOutput,visinfo->visual,CWColormap|CWEventMask,&swa);
188 XStoreName(dpy,win,"D2X");
189 // XStoreName(dpy,win,"agry");
193 glXMakeCurrent(dpy,win,glxcontext);
195 set_wm_hints(ogl_fullscreen);
201 unsigned char *blankdata;
203 XQueryBestCursor(dpy,win,1,1,&w,&h);
204 // mprintf((0,"bestcursor %ix%i\n",w,h));
205 blankdata=d_malloc(w*h/8);
206 memset(blankdata,0,w*h/8);
207 memset(&blankcolor,0,sizeof(XColor));
208 blankpixmap=XCreateBitmapFromData(dpy,win,blankdata,w,h);
209 blankcursor=XCreatePixmapCursor(dpy,blankpixmap,blankpixmap,&blankcolor,&blankcolor,w,h);
215 ogl_do_fullscreen_internal();
216 // gr_do_fullscreen(ogl_fullscreen);
219 init_gii_xwin(dpy,win);
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);