1 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
3 loco.c for the Openbox window manager
4 Copyright (c) 2008 Derek Foreman
5 Copyright (c) 2008 Dana Jansens
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 See the COPYING file for a copy of the GNU General Public License.
21 #include "obt/mainloop.h"
22 #include "obt/display.h"
23 #include "obt/mainloop.h"
28 #include <GL/glxext.h>
29 #include <GL/glxtokens.h>
31 <dana> you want CreateNotify, DestroyNotify, MapNotify, UnmapNotify, and
33 <dana> and then xdamage or whatever
39 /*const GLchar *err_file = strrchr(err_path, '/');*/ \
40 GLenum gl_error = glGetError(); \
44 for (; (gl_error); gl_error = glGetError()) \
45 fprintf(stderr, "%s: %d caught at line %u\n", \
46 __FUNCTION__, gl_error, __LINE__); \
47 /*(const GLchar*)gluErrorString(gl_error)*/ \
59 gint type; /* XXX make this an enum */
64 typedef struct _LocoList {
65 struct _LocoList *next;
66 struct _LocoList *prev;
70 static Window loco_root;
71 static Window loco_overlay;
72 /* Maps X Window ID -> LocoWindow* */
73 static GHashTable *window_map;
74 /* Maps X Window ID -> LocoList* which is in the stacking_top/bottom list */
75 static GHashTable *stacking_map;
76 /* From top to bottom */
77 static LocoList *stacking_top;
78 static LocoList *stacking_bottom;
79 static VisualID visualIDs[MAX_DEPTH + 1];
80 static XVisualInfo *glxPixmapVisuals[MAX_DEPTH + 1];
81 static int loco_screen_num;
83 void (*BindTexImageEXT)(Display *, GLXDrawable, int, const int *);
84 void (*ReleaseTexImageEXT)(Display *, GLXDrawable, int);
87 static void print_stacking()
91 for (it = stacking_top; it; it = it->next) {
92 printf("0x%lx\n", it->window->id);
97 int create_glxpixmap(LocoWindow *lw)
101 static const int attrs[] =
103 GLX_TEXTURE_FORMAT_EXT, GLX_TEXTURE_FORMAT_RGBA_EXT,
107 static const int drawable_tfp_attrs[] =
109 GLX_CONFIG_CAVEAT, GLX_NONE,
110 GLX_DOUBLEBUFFER, False,
116 GLX_RENDER_TYPE, GLX_RGBA_BIT,
117 GLX_BIND_TO_TEXTURE_RGBA_EXT, True, // additional for tfp
122 pixmap = XCompositeNameWindowPixmap(obt_display, lw->id);
123 visinfo = glxPixmapVisuals[lw->depth];
125 printf("no visinfo for depth %d\n", lw->depth);
130 GLXFBConfig *fbconfigs = glXChooseFBConfig(obt_display,
132 drawable_tfp_attrs, &count);
136 for(i = 0; i < count; ++i ) {
138 glXGetFBConfigAttrib(obt_display,
139 fbconfigs[i], GLX_VISUAL_ID, &value);
140 if(value == (int)visinfo->visualid)
148 printf("fbconfigless\n");
152 lw->glpixmap = glXCreatePixmap(obt_display, fbc, pixmap, attrs);
155 int bindPixmapToTexture(LocoWindow *lw)
160 if (lw->glpixmap == None) {
161 create_glxpixmap(lw);
163 if (lw->glpixmap == None)
166 if (screen->queryDrawable (screen->display->display,
168 GLX_TEXTURE_TARGET_EXT,
171 fprintf (stderr, "%s: glXQueryDrawable failed\n", programName);
173 glXDestroyGLXPixmap (screen->display->display, texture->pixmap);
174 texture->pixmap = None;
180 glBindTexture(GL_TEXTURE_2D, lw->texname);
182 BindTexImageEXT(obt_display, lw->glpixmap, GLX_FRONT_LEFT_EXT, NULL);
184 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
185 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
187 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
188 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
189 glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
193 void destroy_glxpixmap(LocoWindow *lw)
195 glXDestroyGLXPixmap(obt_display, lw->glpixmap);
200 void releasePixmapFromTexture (LocoWindow *lw)
203 glBindTexture(GL_TEXTURE_2D, lw->texname);
205 ReleaseTexImageEXT(obt_display, lw->glpixmap, GLX_FRONT_LEFT_EXT);
207 glBindTexture(GL_TEXTURE_2D, 0);
211 static void full_composite(void)
215 glClear(GL_COLOR_BUFFER_BIT);
216 for (it = stacking_bottom; it != stacking_top; it = it->prev) {
217 if (!it->window->visible)
219 if ((it->window->w > 1000) || (it->window->h > 1000)) {
220 printf("I am afraid of window 0x%x because it is very large\n", it->window->id);
223 ret = bindPixmapToTexture(it->window);
225 glColor3f(1.0, 1.0, 1.0);
226 glVertex2i(it->window->x, it->window->y);
228 glVertex2i(it->window->x + it->window->w, it->window->y);
230 glVertex2i(it->window->x + it->window->w, it->window->y + it->window->h);
232 glVertex2i(it->window->x, it->window->y + it->window->h);
235 // releasePixmapFromTexture(it->window);
237 glXSwapBuffers(obt_display, loco_overlay);
240 static LocoList* loco_list_prepend(LocoList **top, LocoList **bottom,
243 LocoList *n = g_new(LocoList, 1);
248 if (n->next) n->next->prev = n;
251 if (!*bottom) *bottom = n;
255 static void loco_list_delete_link(LocoList **top, LocoList **bottom,
258 LocoList *prev = pos->prev;
259 LocoList *next = pos->next;
273 static void loco_list_move_before(LocoList **top, LocoList **bottom,
274 LocoList *move, LocoList *before)
276 LocoList *prev, *next;
278 /* these won't move it anywhere */
279 if (move == before || move->next == before) return;
284 /* remove it from the list */
285 if (next) next->prev = prev;
287 if (prev) prev->next = next;
293 move->prev = before->prev;
294 move->next->prev = move;
295 if (move->prev) move->prev->next = move;
298 /* after the bottom */
299 move->prev = *bottom;
301 if (move->prev) move->prev->next = move;
305 if (!move->prev) *top = move;
308 /* Returns a LocoWindow structure */
309 static LocoWindow* find_window(Window window)
311 return g_hash_table_lookup(window_map, &window);
314 /* Returns a node from the stacking_top/bottom list */
315 static LocoList* find_stacking(Window window)
317 return g_hash_table_lookup(stacking_map, &window);
320 void composite_setup_window(LocoWindow *win)
322 if (win->input_only) return;
324 /*something useful = */XDamageCreate(obt_display, win->id, XDamageReportRawRectangles);
327 static void add_window(Window window)
331 XWindowAttributes attrib;
333 printf("add window 0x%lx\n", window);
335 if (!XGetWindowAttributes(obt_display, window, &attrib))
338 lw = g_new0(LocoWindow, 1);
340 lw->input_only = attrib.class == InputOnly;
343 lw->w = attrib.width;
344 lw->h = attrib.height;
345 lw->depth = attrib.depth;
347 glGenTextures(1, &lw->texname);
348 // glTexImage2D(TARGET, 0, GL_RGB, lw->w, lw->h, 0, GL_BGRA, GL_UNSIGNED_BYTE, NULL);
349 g_hash_table_insert(window_map, &lw->id, lw);
350 /* new windows are at the top */
351 it = loco_list_prepend(&stacking_top, &stacking_bottom, lw);
352 g_hash_table_insert(stacking_map, &lw->id, it);
354 composite_setup_window(lw);
359 static void remove_window(LocoWindow *lw)
361 printf("remove window 0x%lx\n", lw->id);
363 LocoList *pos = find_stacking(lw->id);
366 loco_list_delete_link(&stacking_top, &stacking_bottom, pos);
367 g_hash_table_remove(stacking_map, &lw->id);
368 g_hash_table_remove(window_map, &lw->id);
375 static void show_window(LocoWindow *lw)
382 /* get the window's semantic type (for different effects!) */
383 lw->type = 0; /* XXX set this to the default type */
384 if (OBT_PROP_GETA32(lw->id, NET_WM_WINDOW_TYPE, ATOM, &type, &ntype)) {
385 /* use the first value that we know about in the array */
386 for (i = 0; i < ntype; ++i) {
387 /* XXX SET THESE TO AN ENUM'S VALUES */
388 if (type[i] == OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_DESKTOP))
390 if (type[i] == OBT_PROP_ATOM(NET_WM_WINDOW_TYPE_MENU))
392 /* XXX there are more TYPES that need to be added to prop.h */
399 static void hide_window(LocoWindow *lw, gboolean destroyed)
401 /* if destroyed, then the window is no longer available */
403 destroy_glxpixmap(lw);
406 void COMPOSTER_RAWR(const XEvent *e, gpointer data)
408 int redraw_required = 0;
410 if (e->type == ConfigureNotify) {
413 printf("Window 0x%lx moved or something\n", e->xconfigure.window);
415 lw = find_window(e->xconfigure.window);
417 LocoList *above, *pos;
419 pos = find_stacking(e->xconfigure.window);
420 above = find_stacking(e->xconfigure.above);
422 g_assert(pos != NULL && pos->window != NULL);
423 if (e->xconfigure.above && !above)
424 printf("missing windows from the stacking list!!\n");
426 lw->x = e->xconfigure.x;
427 lw->y = e->xconfigure.y;
428 if ((lw->w != e->xconfigure.width) || (lw->h != e->xconfigure.height)) {
429 lw->w = e->xconfigure.width;
430 lw->h = e->xconfigure.height;
431 if (lw->glpixmap != None) {
432 destroy_glxpixmap(lw);
435 printf("Window 0x%lx above 0x%lx\n", pos->window->id,
436 above ? above->window->id : 0);
437 loco_list_move_before(&stacking_top, &stacking_bottom, pos, above);
441 else if (e->type == CreateNotify) {
442 add_window(e->xmap.window);
444 else if (e->type == DestroyNotify) {
445 LocoWindow *lw = find_window(e->xdestroywindow.window);
447 hide_window(lw, TRUE);
448 if (lw->glpixmap != None) {
449 destroy_glxpixmap(lw);
454 printf("destroy notify for unknown window 0x%lx\n",
455 e->xdestroywindow.window);
457 else if (e->type == ReparentNotify) {
458 if (e->xreparent.parent == loco_root)
459 add_window(e->xreparent.window);
461 LocoWindow *lw = find_window(e->xreparent.window);
463 hide_window(lw, FALSE);
467 printf("reparent notify away from root for unknown window "
468 "0x%lx\n", e->xreparent.window);
471 else if (e->type == MapNotify) {
472 LocoWindow *lw = find_window(e->xmap.window);
473 if (lw) show_window(lw);
475 printf("map notify for unknown window 0x%lx\n",
478 else if (e->type == UnmapNotify) {
479 LocoWindow *lw = find_window(e->xunmap.window);
480 if (lw) hide_window(lw, FALSE);
482 printf("unmap notify for unknown window 0x%lx\n",
485 else if (e->type == obt_display_extension_damage_basep + XDamageNotify) {
486 // LocoWindow *lw = find_window(e->xdamage.window);
494 static void find_all_windows(gint screen)
499 if (!XQueryTree(obt_display, loco_root, &w, &w, &children, &nchild))
502 for (i = 0; i < nchild; ++i)
503 if (children[i] != None) add_window(children[i]);
505 if (children) XFree(children);
508 static guint window_hash(Window *w) { return *w; }
509 static gboolean window_comp(Window *w1, Window *w2) { return *w1 == *w2; }
511 void loco_set_mainloop(gint screen_num, ObtMainLoop *loop)
513 int db, stencil, depth;
514 int i, j, value, count;
516 XVisualInfo *vi, tvis, *visinfo;
519 { GLX_DEPTH_SIZE, 1, GLX_DOUBLEBUFFER, GLX_RGBA, None };
521 loco_screen_num = screen_num;
522 loco_root = obt_root(screen_num);
523 loco_overlay = XCompositeGetOverlayWindow(obt_display, loco_root);
524 XserverRegion region = XFixesCreateRegion(obt_display, NULL, 0);
526 XFixesSetWindowShapeRegion (obt_display,
531 XFixesSetWindowShapeRegion (obt_display,
537 XFixesDestroyRegion (obt_display, region);
539 vi = glXChooseVisual(obt_display, screen_num, config);
540 cont = glXCreateContext(obt_display, vi, NULL, GL_TRUE);
542 printf("context creation failed\n");
543 glXMakeCurrent(obt_display, loco_overlay, cont);
545 BindTexImageEXT = glXGetProcAddress("glXBindTexImageEXT");
546 ReleaseTexImageEXT = glXGetProcAddress("glXReleaseTexImageEXT");
548 w = WidthOfScreen(ScreenOfDisplay(obt_display, screen_num));
549 h = HeightOfScreen(ScreenOfDisplay(obt_display, screen_num));
550 glViewport(0, 0, w, h);
551 glMatrixMode(GL_PROJECTION);
553 printf("Setting up an orthographic projection of %dx%d\n", w, h);
554 glOrtho(0, w, h, 0.0, -1.0, 100.0);
555 glMatrixMode(GL_MODELVIEW);
557 glClear(GL_COLOR_BUFFER_BIT);
558 glEnable(GL_TEXTURE_2D);
560 glXSwapBuffers(obt_display, loco_overlay);
561 glClearColor(1.0, 0.0, 0.0, 1.0);
562 // glBlendFunc(GL_ONE_MINUS_SRC_ALPHA, GL_SRC_ALPHA);
563 // glEnable(GL_BLEND);
567 for (i = 0; i <= MAX_DEPTH; i++) {
570 visinfo = XGetVisualInfo(obt_display, VisualDepthMask, &tvis, &count);
571 for (j = 0; j < count; j++) {
572 glXGetConfig(obt_display, &visinfo[j], GLX_USE_GL, &value);
576 glXGetConfig(obt_display, &visinfo[j], GLX_DOUBLEBUFFER, &value);
581 glXGetConfig(obt_display, &visinfo[j], GLX_STENCIL_SIZE, &value);
586 glXGetConfig(obt_display, &visinfo[j], GLX_DEPTH_SIZE, &value);
591 visualIDs[i] = visinfo[j].visualid;
595 for (i = 0 ;i <= MAX_DEPTH; i++) {
596 tvis.visualid = visualIDs[i];
597 glxPixmapVisuals[i] = XGetVisualInfo(obt_display, VisualIDMask, &tvis, &count);
598 if (glxPixmapVisuals[i])
599 printf("supporting depth %d\n", i);
601 obt_main_loop_x_add(loop, COMPOSTER_RAWR, NULL, NULL);
602 window_map = g_hash_table_new((GHashFunc)window_hash,
603 (GEqualFunc)window_comp);
604 stacking_map = g_hash_table_new((GHashFunc)window_hash,
605 (GEqualFunc)window_comp);
606 stacking_top = stacking_bottom = NULL;
608 XCompositeRedirectSubwindows(obt_display, loco_root, CompositeRedirectManual);
609 find_all_windows(screen_num);
612 void loco_shutdown(void)