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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2007 Blender Foundation.
* All rights reserved.
*
*
* Contributor(s): Blender Foundation
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/windowmanager/intern/wm_init_exit.c
* \ingroup wm
*
* Manage initializing resources and correctly shutting down.
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#ifdef _WIN32
# include <windows.h>
#endif
#include "MEM_guardedalloc.h"
#include "CLG_log.h"
#include "DNA_genfile.h"
#include "DNA_scene_types.h"
#include "DNA_userdef_types.h"
#include "DNA_windowmanager_types.h"
#include "BLI_callbacks.h"
#include "BLI_listbase.h"
#include "BLI_path_util.h"
#include "BLI_string.h"
#include "BLI_threads.h"
#include "BLI_utildefines.h"
#include "BLO_writefile.h"
#include "BLO_undofile.h"
#include "BKE_blender.h"
#include "BKE_blender_undo.h"
#include "BKE_context.h"
#include "BKE_screen.h"
#include "BKE_global.h"
#include "BKE_icons.h"
#include "BKE_library.h"
#include "BKE_library_remap.h"
#include "BKE_main.h"
#include "BKE_mball_tessellate.h"
#include "BKE_node.h"
#include "BKE_report.h"
#include "BKE_font.h"
#include "BKE_addon.h"
#include "BKE_appdir.h"
#include "BKE_sequencer.h" /* free seq clipboard */
#include "BKE_studiolight.h"
#include "BKE_material.h" /* clear_matcopybuf */
#include "BKE_tracking.h" /* free tracking clipboard */
#include "BKE_mask.h" /* free mask clipboard */
#include "RE_engine.h"
#include "RE_pipeline.h" /* RE_ free stuff */
#ifdef WITH_PYTHON
#include "BPY_extern.h"
#endif
#include "GHOST_Path-api.h"
#include "GHOST_C-api.h"
#include "RNA_define.h"
#include "WM_api.h"
#include "WM_types.h"
#include "WM_message.h"
#include "wm_cursors.h"
#include "wm_event_system.h"
#include "wm.h"
#include "wm_files.h"
#include "wm_window.h"
#include "ED_anim_api.h"
#include "ED_armature.h"
#include "ED_gpencil.h"
#include "ED_keyframing.h"
#include "ED_keyframes_edit.h"
#include "ED_node.h"
#include "ED_render.h"
#include "ED_space_api.h"
#include "ED_screen.h"
#include "ED_util.h"
#include "ED_undo.h"
#include "UI_interface.h"
#include "BLF_api.h"
#include "BLT_lang.h"
#include "GPU_material.h"
#include "GPU_draw.h"
#include "GPU_init_exit.h"
#include "BKE_sound.h"
#include "COM_compositor.h"
#include "DEG_depsgraph.h"
#include "DRW_engine.h"
#ifdef WITH_OPENSUBDIV
# include "BKE_subsurf.h"
#endif
CLG_LOGREF_DECLARE_GLOBAL(WM_LOG_OPERATORS, "wm.operator");
CLG_LOGREF_DECLARE_GLOBAL(WM_LOG_HANDLERS, "wm.handler");
CLG_LOGREF_DECLARE_GLOBAL(WM_LOG_EVENTS, "wm.event");
CLG_LOGREF_DECLARE_GLOBAL(WM_LOG_KEYMAPS, "wm.keymap");
CLG_LOGREF_DECLARE_GLOBAL(WM_LOG_TOOLS, "wm.tool");
CLG_LOGREF_DECLARE_GLOBAL(WM_LOG_MSGBUS_PUB, "wm.msgbus.pub");
CLG_LOGREF_DECLARE_GLOBAL(WM_LOG_MSGBUS_SUB, "wm.msgbus.sub");
static void wm_init_reports(bContext *C)
{
ReportList *reports = CTX_wm_reports(C);
BLI_assert(!reports || BLI_listbase_is_empty(&reports->list));
BKE_reports_init(reports, RPT_STORE);
}
static void wm_free_reports(bContext *C)
{
ReportList *reports = CTX_wm_reports(C);
BKE_reports_clear(reports);
}
bool wm_start_with_console = false; /* used in creator.c */
/**
* Since we cannot know in advance if we will require the draw manager
* context when starting blender in background mode (specially true with
* scripts) we deferre the ghost initialization the most as possible
* so that it does not break anything that can run in headless mode (as in
* without display server attached).
**/
static bool opengl_is_init = false;
void WM_init_opengl(Main *bmain)
{
/* must be called only once */
BLI_assert(opengl_is_init == false);
if (G.background) {
/* Ghost is still not init elsewhere in background mode. */
wm_ghost_init(NULL);
}
/* Needs to be first to have an ogl context bound. */
DRW_opengl_context_create();
GPU_init();
GPU_set_mipmap(bmain, true);
GPU_set_linear_mipmap(true);
GPU_set_anisotropic(bmain, U.anisotropic_filter);
GPU_set_gpu_mipmapping(bmain, U.use_gpu_mipmap);
GPU_pass_cache_init();
#ifdef WITH_OPENSUBDIV
BKE_subsurf_osd_init();
#endif
opengl_is_init = true;
}
/* only called once, for startup */
void WM_init(bContext *C, int argc, const char **argv)
{
if (!G.background) {
wm_ghost_init(C); /* note: it assigns C to ghost! */
wm_init_cursor_data();
}
GHOST_CreateSystemPaths();
BKE_addon_pref_type_init();
wm_operatortype_init();
WM_menutype_init();
WM_uilisttype_init();
wm_manipulatortype_init();
wm_manipulatorgrouptype_init();
ED_undosys_type_init();
BKE_library_callback_free_window_manager_set(wm_close_and_free); /* library.c */
BKE_library_callback_free_notifier_reference_set(WM_main_remove_notifier_reference); /* library.c */
BKE_region_callback_free_manipulatormap_set(wm_manipulatormap_remove); /* screen.c */
BKE_region_callback_refresh_tag_manipulatormap_set(WM_manipulatormap_tag_refresh);
BKE_library_callback_remap_editor_id_reference_set(WM_main_remap_editor_id_reference); /* library.c */
BKE_blender_callback_test_break_set(wm_window_testbreak); /* blender.c */
BKE_spacedata_callback_id_remap_set(ED_spacedata_id_remap); /* screen.c */
DEG_editors_set_update_cb(ED_render_id_flush_update,
ED_render_scene_update);
ED_spacetypes_init(); /* editors/space_api/spacetype.c */
ED_file_init(); /* for fsmenu */
ED_node_init_butfuncs();
BLF_init();
BLT_lang_init();
/* reports cant be initialized before the wm,
* but keep before file reading, since that may report errors */
wm_init_reports(C);
WM_msgbus_types_init();
/* get the default database, plus a wm */
wm_homefile_read(C, NULL, G.factory_startup, false, true, NULL, NULL);
BLT_lang_set(NULL);
if (!G.background) {
#ifdef WITH_INPUT_NDOF
/* sets 3D mouse deadzone */
WM_ndof_deadzone_set(U.ndof_deadzone);
#endif
WM_init_opengl(G_MAIN);
UI_init();
BKE_studiolight_init();
}
else {
/* Note: Currently only inits icons, which we now want in background mode too
* (scripts could use those in background processing...).
* In case we do more later, we may need to pass a 'background' flag.
* Called from 'UI_init' above */
BKE_icons_init(1);
}
ED_spacemacros_init();
/* note: there is a bug where python needs initializing before loading the
* startup.blend because it may contain PyDrivers. It also needs to be after
* initializing space types and other internal data.
*
* However cant redo this at the moment. Solution is to load python
* before wm_homefile_read() or make py-drivers check if python is running.
* Will try fix when the crash can be repeated. - campbell. */
#ifdef WITH_PYTHON
BPY_context_set(C); /* necessary evil */
BPY_python_start(argc, argv);
BPY_python_reset(C);
#else
(void)argc; /* unused */
(void)argv; /* unused */
#endif
if (!G.background && !wm_start_with_console)
GHOST_toggleConsole(3);
clear_matcopybuf();
ED_render_clear_mtex_copybuf();
// glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
wm_history_file_read();
/* allow a path of "", this is what happens when making a new file */
#if 0
if (BKE_main_blendfile_path_from_global()[0] == '\0')
BLI_make_file_string("/", G_MAIN->name, BKE_appdir_folder_default(), "untitled.blend");
#endif
BLI_strncpy(G.lib, BKE_main_blendfile_path_from_global(), sizeof(G.lib));
#ifdef WITH_COMPOSITOR
if (1) {
extern void *COM_linker_hack;
COM_linker_hack = COM_execute;
}
#endif
/* load last session, uses regular file reading so it has to be in end (after init py etc) */
if (U.uiflag2 & USER_KEEP_SESSION) {
/* calling WM_recover_last_session(C, NULL) has been moved to creator.c */
/* that prevents loading both the kept session, and the file on the command line */
}
else {
Main *bmain = CTX_data_main(C);
/* note, logic here is from wm_file_read_post,
* call functions that depend on Python being initialized. */
/* normally 'wm_homefile_read' will do this,
* however python is not initialized when called from this function.
*
* unlikely any handlers are set but its possible,
* note that recovering the last session does its own callbacks. */
CTX_wm_window_set(C, CTX_wm_manager(C)->windows.first);
BLI_callback_exec(bmain, NULL, BLI_CB_EVT_VERSION_UPDATE);
BLI_callback_exec(bmain, NULL, BLI_CB_EVT_LOAD_POST);
wm_file_read_report(C, bmain);
if (!G.background) {
CTX_wm_window_set(C, NULL);
}
}
}
void WM_init_splash(bContext *C)
{
if ((U.uiflag & USER_SPLASH_DISABLE) == 0) {
wmWindowManager *wm = CTX_wm_manager(C);
wmWindow *prevwin = CTX_wm_window(C);
if (wm->windows.first) {
CTX_wm_window_set(C, wm->windows.first);
WM_operator_name_call(C, "WM_OT_splash", WM_OP_INVOKE_DEFAULT, NULL);
CTX_wm_window_set(C, prevwin);
}
}
}
/* free strings of open recent files */
static void free_openrecent(void)
{
struct RecentFile *recent;
for (recent = G.recent_files.first; recent; recent = recent->next)
MEM_freeN(recent->filepath);
BLI_freelistN(&(G.recent_files));
}
#ifdef WIN32
/* Read console events until there is a key event. Also returns on any error. */
static void wait_for_console_key(void)
{
HANDLE hConsoleInput = GetStdHandle(STD_INPUT_HANDLE);
if (!ELEM(hConsoleInput, NULL, INVALID_HANDLE_VALUE) && FlushConsoleInputBuffer(hConsoleInput)) {
for (;;) {
INPUT_RECORD buffer;
DWORD ignored;
if (!ReadConsoleInput(hConsoleInput, &buffer, 1, &ignored)) {
break;
}
if (buffer.EventType == KEY_EVENT) {
break;
}
}
}
}
#endif
static int wm_exit_handler(bContext *C, const wmEvent *event, void *userdata)
{
WM_exit(C);
UNUSED_VARS(event, userdata);
return WM_UI_HANDLER_BREAK;
}
/**
* Cause a delayed WM_exit() call to avoid leaking memory when trying to exit from within operators.
*/
void wm_exit_schedule_delayed(const bContext *C)
{
/* What we do here is a little bit hacky, but quite simple and doesn't require bigger
* changes: Add a handler wrapping WM_exit() to cause a delayed call of it. */
wmWindow *win = CTX_wm_window(C);
/* Use modal UI handler for now. Could add separate WM handlers or so, but probably not worth it. */
WM_event_add_ui_handler(C, &win->modalhandlers, wm_exit_handler, NULL, NULL, 0);
WM_event_add_mousemove(C); /* ensure handler actually gets called */
}
/**
* \note doesn't run exit() call #WM_exit() for that.
*/
void WM_exit_ext(bContext *C, const bool do_python)
{
wmWindowManager *wm = C ? CTX_wm_manager(C) : NULL;
/* first wrap up running stuff, we assume only the active WM is running */
/* modal handlers are on window level freed, others too? */
/* note; same code copied in wm_files.c */
if (C && wm) {
wmWindow *win;
if (!G.background) {
struct MemFile *undo_memfile = wm->undo_stack ? ED_undosys_stack_memfile_get_active(wm->undo_stack) : NULL;
if ((U.uiflag2 & USER_KEEP_SESSION) || (undo_memfile != NULL)) {
/* save the undo state as quit.blend */
char filename[FILE_MAX];
bool has_edited;
int fileflags = G.fileflags & ~(G_FILE_COMPRESS | G_FILE_HISTORY);
BLI_make_file_string("/", filename, BKE_tempdir_base(), BLENDER_QUIT_FILE);
has_edited = ED_editors_flush_edits(C, false);
if ((has_edited && BLO_write_file(CTX_data_main(C), filename, fileflags, NULL, NULL)) ||
(undo_memfile && BLO_memfile_write_file(undo_memfile, filename)))
{
printf("Saved session recovery to '%s'\n", filename);
}
}
}
WM_jobs_kill_all(wm);
for (win = wm->windows.first; win; win = win->next) {
CTX_wm_window_set(C, win); /* needed by operator close callbacks */
WM_event_remove_handlers(C, &win->handlers);
WM_event_remove_handlers(C, &win->modalhandlers);
ED_screen_exit(C, win, WM_window_get_active_screen(win));
}
}
BKE_addon_pref_type_free();
wm_operatortype_free();
wm_dropbox_free();
WM_menutype_free();
WM_uilisttype_free();
/* all non-screen and non-space stuff editors did, like editmode */
if (C)
ED_editors_exit(C);
ED_undosys_type_free();
free_openrecent();
BKE_mball_cubeTable_free();
/* render code might still access databases */
RE_FreeAllRender();
RE_engines_exit();
ED_preview_free_dbase(); /* frees a Main dbase, before BKE_blender_free! */
if (C && wm)
wm_free_reports(C); /* before BKE_blender_free! - since the ListBases get freed there */
BKE_sequencer_free_clipboard(); /* sequencer.c */
BKE_tracking_clipboard_free();
BKE_mask_clipboard_free();
BKE_vfont_clipboard_free();
#ifdef WITH_COMPOSITOR
COM_deinitialize();
#endif
if (opengl_is_init) {
#ifdef WITH_OPENSUBDIV
BKE_subsurf_osd_cleanup();
#endif
GPU_free_unused_buffers(G_MAIN);
}
BKE_blender_free(); /* blender.c, does entire library and spacetypes */
// free_matcopybuf();
ANIM_fcurves_copybuf_free();
ANIM_drivers_copybuf_free();
ANIM_driver_vars_copybuf_free();
ANIM_fmodifiers_copybuf_free();
ED_gpencil_anim_copybuf_free();
ED_gpencil_strokes_copybuf_free();
BKE_node_clipboard_clear();
/* free manipulator-maps after freeing blender, so no deleted data get accessed during cleaning up of areas */
wm_manipulatormaptypes_free();
wm_manipulatorgrouptype_free();
wm_manipulatortype_free();
BLF_exit();
if (opengl_is_init) {
GPU_pass_cache_free();
DRW_opengl_context_destroy();
GPU_exit();
}
#ifdef WITH_INTERNATIONAL
BLF_free_unifont();
BLF_free_unifont_mono();
BLT_lang_free();
#endif
ANIM_keyingset_infos_exit();
// free_txt_data();
#ifdef WITH_PYTHON
/* option not to close python so we can use 'atexit' */
if (do_python && ((C == NULL) || CTX_py_init_get(C))) {
/* XXX - old note */
/* before BKE_blender_free so py's gc happens while library still exists */
/* needed at least for a rare sigsegv that can happen in pydrivers */
/* Update for blender 2.5, move after BKE_blender_free because blender now holds references to PyObject's
* so decref'ing them after python ends causes bad problems every time
* the pyDriver bug can be fixed if it happens again we can deal with it then */
BPY_python_end();
}
#else
(void)do_python;
#endif
ED_file_exit(); /* for fsmenu */
UI_exit();
BKE_blender_userdef_data_free(&U, false);
RNA_exit(); /* should be after BPY_python_end so struct python slots are cleared */
wm_ghost_exit();
CTX_free(C);
GHOST_DisposeSystemPaths();
DNA_sdna_current_free();
BLI_threadapi_exit();
/* No need to call this early, rather do it late so that other pieces of Blender using sound may exit cleanly,
* see also T50676. */
BKE_sound_exit();
CLG_exit();
BKE_blender_atexit();
if (MEM_get_memory_blocks_in_use() != 0) {
size_t mem_in_use = MEM_get_memory_in_use() + MEM_get_memory_in_use();
printf("Error: Not freed memory blocks: %u, total unfreed memory %f MB\n",
MEM_get_memory_blocks_in_use(),
(double)mem_in_use / 1024 / 1024);
MEM_printmemlist();
}
wm_autosave_delete();
BKE_tempdir_session_purge();
}
/**
* \brief Main exit function to close Blender ordinarily.
* \note Use #wm_exit_schedule_delayed() to close Blender from an operator. Might leak memory otherwise.
*/
void WM_exit(bContext *C)
{
WM_exit_ext(C, 1);
printf("\nBlender quit\n");
#ifdef WIN32
/* ask user to press a key when in debug mode */
if (G.debug & G_DEBUG) {
printf("Press any key to exit . . .\n\n");
wait_for_console_key();
}
#endif
exit(G.is_break == true);
}
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