2 * $Source: /cvs/cvsroot/d2x/arch/ogl/glx.c,v $
5 * $Date: 2001-10-25 08:25:34 $
7 * opengl platform specific functions for GLX - Added 9/15/99 Matthew Mueller
9 * $Log: not supported by cvs2svn $
10 * Revision 1.3 2001/01/29 13:47:52 bradleyb
11 * Fixed build, some minor cleanups.
29 #include <X11/extensions/xf86dga.h>
30 #include <X11/extensions/xf86vmode.h>
34 #include <X11/Xatom.h>
39 #include <X11/Xm/MwmUtil.h>
43 /* bit definitions for MwmHints.flags */
44 #define MWM_HINTS_FUNCTIONS (1L << 0)
45 #define MWM_HINTS_DECORATIONS (1L << 1)
46 #define MWM_HINTS_INPUT_MODE (1L << 2)
47 #define MWM_HINTS_STATUS (1L << 3)
49 /* bit definitions for MwmHints.functions */
50 #define MWM_FUNC_ALL (1L << 0)
51 #define MWM_FUNC_RESIZE (1L << 1)
52 #define MWM_FUNC_MOVE (1L << 2)
53 #define MWM_FUNC_MINIMIZE (1L << 3)
54 #define MWM_FUNC_MAXIMIZE (1L << 4)
55 #define MWM_FUNC_CLOSE (1L << 5)
58 /* bit definitions for MwmHints.decorations */
59 #define MWM_DECOR_ALL (1L << 0)
60 #define MWM_DECOR_BORDER (1L << 1)
61 #define MWM_DECOR_RESIZEH (1L << 2)
62 #define MWM_DECOR_TITLE (1L << 3)
63 #define MWM_DECOR_MENU (1L << 4)
64 #define MWM_DECOR_MINIMIZE (1L << 5)
65 #define MWM_DECOR_MAXIMIZE (1L << 6)
70 unsigned long functions;
71 unsigned long decorations;
76 #define PROP_MOTIF_WM_HINTS_ELEMENTS 5
83 * Specify which Motif window manager border decorations to put on a * top-level window. For example, you can specify that
84 a window is not * resizabe, or omit the titlebar, or completely remove all decorations. * Input: dpy - the X display
86 * flags - bitwise-OR of the MWM_DECOR_xxx symbols in
88 * indicating what decoration elements to enable. Zero would
91 void set_mwm_border( Display *dpy, Window w, unsigned long dflags,unsigned long fflags ) {
92 PropMotifWmHints motif_hints;
95 /* setup the property */
96 motif_hints.flags = MWM_HINTS_DECORATIONS|MWM_HINTS_FUNCTIONS;
97 motif_hints.decorations = dflags;
98 motif_hints.functions = fflags;
100 /* get the atom for the property */
101 prop = XInternAtom( dpy, "_MOTIF_WM_HINTS", True ); if (!prop) {
102 mprintf((0,"set_mwm_border: prop==0\n"));
103 /* something went wrong! */
107 /* not sure this is correct, seems to work, XA_WM_HINTS didn't work */ proptype = prop;
109 XChangeProperty( dpy, w, /* display, window */ prop, proptype, /* property, type */
110 32, /* format: 32-bit datums */ PropModeReplace, /* mode */
111 (unsigned char *) &motif_hints, /* data */ PROP_MOTIF_WM_HINTS_ELEMENTS /* nelements */);
114 int glx_erbase,glx_evbase;
116 XSetWindowAttributes swa;
118 XVisualInfo *visinfo;
119 GLXContext glxcontext;
120 Pixmap blankpixmap=None;
121 Cursor blankcursor=None;
124 void set_wm_hints(int fullscreen){
125 XSizeHints *hints=NULL;
128 // return;//seems screwed.
129 if (!hints) hints=XAllocSizeHints();
130 hints->width=hints->min_width=hints->max_width=hints->base_width=grd_curscreen->sc_w;
131 hints->height=hints->min_height=hints->max_height=hints->base_height=grd_curscreen->sc_h;
132 hints->flags=PSize|PMinSize|PMaxSize|PBaseSize;
133 // hints->min_width=hints->max_width=grd_curscreen->sc_w;
134 // hints->min_height=hints->max_height=grd_curscreen->sc_h;
135 // hints->flags=PMinSize|PMaxSize;
136 XSetWMNormalHints(dpy,win,hints);
139 set_mwm_border(dpy,win,0,0);
141 set_mwm_border(dpy,win,MWM_DECOR_TITLE|MWM_DECOR_BORDER,MWM_FUNC_MOVE|MWM_FUNC_CLOSE);
145 static int attribs[]={GLX_RGBA,GLX_DOUBLEBUFFER,GLX_DEPTH_SIZE,0,GLX_STENCIL_SIZE,0,
146 GLX_ACCUM_RED_SIZE,0,GLX_ACCUM_GREEN_SIZE,0,GLX_ACCUM_BLUE_SIZE,0,GLX_ACCUM_ALPHA_SIZE,0,None};
148 void ogl_do_fullscreen_internal(void){
149 // ogl_smash_texture_list_internal();//not needed
152 XMoveWindow(dpy,win,0,0);
153 // XDefineCursor(dpy,win,blankcursor);
154 //XGrabPointer(dpy,win,0,swa.event_mask,GrabModeAsync,GrabModeAsync,win,blankcursor,CurrentTime);
155 XGrabPointer(dpy,win,1,ButtonPressMask | ButtonReleaseMask | PointerMotionMask,GrabModeAsync,GrabModeAsync,win,blankcursor,CurrentTime);
156 // XGrabKeyboard(dpy,win,1,GrabModeAsync,GrabModeAsync,CurrentTime);//grabbing keyboard doesn't seem to do much good anyway.
159 //make ogl_fullscreen
160 //can you even do this with DGA ? just resizing with ctrl-alt-(-/+) caused X to die a horrible death.
161 //might have to kill the window/context/whatever first? HRm.
165 // XUndefineCursor(dpy,win);
166 XUngrabPointer(dpy,CurrentTime);
167 // XUngrabKeyboard(dpy,CurrentTime);
174 inline void ogl_swap_buffers_internal(void){
175 glXSwapBuffers(dpy,win);
177 int ogl_init_window(int x, int y){
179 XResizeWindow(dpy,win,x,y);
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,"D2X");
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 // gr_do_fullscreen(ogl_fullscreen);
222 init_gii_xwin(dpy,win);
226 void ogl_destroy_window(void){
228 glXDestroyContext(dpy,glxcontext);
229 XDestroyWindow(dpy,win);
230 XFreeColormap(dpy,swa.colormap);
238 Error("no display\n");
239 else if (glXQueryExtension(dpy,&glx_erbase,&glx_evbase)==False)
241 else if (!(visinfo = glXChooseVisual(dpy,DefaultScreen(dpy),attribs)))
242 Error("no visual\n");
244 void ogl_close(void){
247 ogl_do_fullscreen_internal();
249 ogl_destroy_window();
250 if (blankcursor!=None){
251 XFreeCursor(dpy,blankcursor);
252 XFreePixmap(dpy,blankpixmap);