3 Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
4 Copyright (C) 2017 nerzhul, Loic Blot <loic.blot@unix-experience.fr>
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU Lesser General Public License as published by
8 the Free Software Foundation; either version 2.1 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License along
17 with this program; if not, write to the Free Software Foundation, Inc.,
18 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21 #include <IrrlichtDevice.h>
23 #include "fontengine.h"
26 #include "util/numeric.h"
27 #include "guiscalingfilter.h"
28 #include "localplayer.h"
29 #include "client/hud.h"
32 #include "clientmap.h"
33 #include "renderingengine.h"
34 #include "render/core.h"
35 #include "render/factory.h"
36 #include "inputhandler.h"
38 #include "../gui/guiSkin.h"
40 #if !defined(_WIN32) && !defined(__APPLE__) && !defined(__ANDROID__) && \
41 !defined(SERVER) && !defined(__HAIKU__)
46 #include <X11/Xutil.h>
47 #include <X11/Xatom.h>
59 RenderingEngine *RenderingEngine::s_singleton = nullptr;
62 static gui::GUISkin *createSkin(gui::IGUIEnvironment *environment,
63 gui::EGUI_SKIN_TYPE type, video::IVideoDriver *driver)
65 gui::GUISkin *skin = new gui::GUISkin(type, driver);
67 gui::IGUIFont *builtinfont = environment->getBuiltInFont();
68 gui::IGUIFontBitmap *bitfont = nullptr;
69 if (builtinfont && builtinfont->getType() == gui::EGFT_BITMAP)
70 bitfont = (gui::IGUIFontBitmap*)builtinfont;
72 gui::IGUISpriteBank *bank = 0;
73 skin->setFont(builtinfont);
76 bank = bitfont->getSpriteBank();
78 skin->setSpriteBank(bank);
84 RenderingEngine::RenderingEngine(IEventReceiver *receiver)
86 sanity_check(!s_singleton);
88 // Resolution selection
89 bool fullscreen = g_settings->getBool("fullscreen");
90 u16 screen_w = g_settings->getU16("screen_w");
91 u16 screen_h = g_settings->getU16("screen_h");
94 bool vsync = g_settings->getBool("vsync");
95 u16 bits = g_settings->getU16("fullscreen_bpp");
96 u16 fsaa = g_settings->getU16("fsaa");
98 // stereo buffer required for pageflip stereo
99 bool stereo_buffer = g_settings->get("3d_mode") == "pageflip";
102 video::E_DRIVER_TYPE driverType = video::EDT_OPENGL;
103 const std::string &driverstring = g_settings->get("video_driver");
104 std::vector<video::E_DRIVER_TYPE> drivers =
105 RenderingEngine::getSupportedVideoDrivers();
107 for (i = 0; i != drivers.size(); i++) {
108 if (!strcasecmp(driverstring.c_str(),
109 RenderingEngine::getVideoDriverName(drivers[i]))) {
110 driverType = drivers[i];
114 if (i == drivers.size()) {
115 errorstream << "Invalid video_driver specified; "
116 "defaulting to opengl"
120 SIrrlichtCreationParameters params = SIrrlichtCreationParameters();
121 if (g_logger.getTraceEnabled())
122 params.LoggingLevel = irr::ELL_DEBUG;
123 params.DriverType = driverType;
124 params.WindowSize = core::dimension2d<u32>(screen_w, screen_h);
126 params.AntiAlias = fsaa;
127 params.Fullscreen = fullscreen;
128 params.Stencilbuffer = false;
129 params.Stereobuffer = stereo_buffer;
130 params.Vsync = vsync;
131 params.EventReceiver = receiver;
132 params.HighPrecisionFPU = g_settings->getBool("high_precision_fpu");
133 params.ZBufferBits = 24;
135 params.PrivateData = porting::app_global;
138 // there is no standardized path for these on desktop
139 std::string rel_path = std::string("client") + DIR_DELIM
140 + "shaders" + DIR_DELIM + "Irrlicht";
141 params.OGLES2ShaderPath = (porting::path_share + DIR_DELIM + rel_path + DIR_DELIM).c_str();
144 m_device = createDeviceEx(params);
145 driver = m_device->getVideoDriver();
149 auto skin = createSkin(m_device->getGUIEnvironment(),
150 gui::EGST_WINDOWS_METALLIC, driver);
151 m_device->getGUIEnvironment()->setSkin(skin);
155 RenderingEngine::~RenderingEngine()
158 m_device->closeDevice();
159 s_singleton = nullptr;
162 v2u32 RenderingEngine::_getWindowSize() const
165 return core->getVirtualSize();
166 return m_device->getVideoDriver()->getScreenSize();
169 void RenderingEngine::setResizable(bool resize)
171 m_device->setResizable(resize);
174 bool RenderingEngine::print_video_modes()
176 IrrlichtDevice *nulldevice;
178 bool vsync = g_settings->getBool("vsync");
179 u16 fsaa = g_settings->getU16("fsaa");
180 MyEventReceiver *receiver = new MyEventReceiver();
182 SIrrlichtCreationParameters params = SIrrlichtCreationParameters();
183 params.DriverType = video::EDT_NULL;
184 params.WindowSize = core::dimension2d<u32>(640, 480);
186 params.AntiAlias = fsaa;
187 params.Fullscreen = false;
188 params.Stencilbuffer = false;
189 params.Vsync = vsync;
190 params.EventReceiver = receiver;
191 params.HighPrecisionFPU = g_settings->getBool("high_precision_fpu");
193 nulldevice = createDeviceEx(params);
200 std::cout << _("Available video modes (WxHxD):") << std::endl;
202 video::IVideoModeList *videomode_list = nulldevice->getVideoModeList();
204 if (videomode_list != NULL) {
205 s32 videomode_count = videomode_list->getVideoModeCount();
206 core::dimension2d<u32> videomode_res;
208 for (s32 i = 0; i < videomode_count; ++i) {
209 videomode_res = videomode_list->getVideoModeResolution(i);
210 videomode_depth = videomode_list->getVideoModeDepth(i);
211 std::cout << videomode_res.Width << "x" << videomode_res.Height
212 << "x" << videomode_depth << std::endl;
215 std::cout << _("Active video mode (WxHxD):") << std::endl;
216 videomode_res = videomode_list->getDesktopResolution();
217 videomode_depth = videomode_list->getDesktopDepth();
218 std::cout << videomode_res.Width << "x" << videomode_res.Height << "x"
219 << videomode_depth << std::endl;
225 return videomode_list != NULL;
228 void RenderingEngine::removeMesh(const irr::scene::IMesh* mesh)
230 m_device->getSceneManager()->getMeshCache()->removeMesh(mesh);
233 void RenderingEngine::cleanupMeshCache()
235 auto mesh_cache = m_device->getSceneManager()->getMeshCache();
236 while (mesh_cache->getMeshCount() != 0) {
237 if (scene::IAnimatedMesh *mesh = mesh_cache->getMeshByIndex(0))
238 mesh_cache->removeMesh(mesh);
242 bool RenderingEngine::setupTopLevelWindow(const std::string &name)
244 // FIXME: It would make more sense for there to be a switch of some
245 // sort here that would call the correct toplevel setup methods for
246 // the environment Minetest is running in.
248 /* Setting Xorg properties for the top level window */
249 setupTopLevelXorgWindow(name);
251 /* Setting general properties for the top level window */
252 verbosestream << "Client: Configuring general top level"
253 << " window properties"
255 bool result = setWindowIcon();
260 void RenderingEngine::setupTopLevelXorgWindow(const std::string &name)
263 const video::SExposedVideoData exposedData = driver->getExposedVideoData();
265 Display *x11_dpl = reinterpret_cast<Display *>(exposedData.OpenGLLinux.X11Display);
266 if (x11_dpl == NULL) {
267 warningstream << "Client: Could not find X11 Display in ExposedVideoData"
272 verbosestream << "Client: Configuring X11-specific top level"
273 << " window properties"
277 Window x11_win = reinterpret_cast<Window>(exposedData.OpenGLLinux.X11Window);
279 // Set application name and class hints. For now name and class are the same.
280 XClassHint *classhint = XAllocClassHint();
281 classhint->res_name = const_cast<char *>(name.c_str());
282 classhint->res_class = const_cast<char *>(name.c_str());
284 XSetClassHint(x11_dpl, x11_win, classhint);
287 // FIXME: In the future WMNormalHints should be set ... e.g see the
288 // gtk/gdk code (gdk/x11/gdksurface-x11.c) for the setup_top_level
289 // method. But for now (as it would require some significant changes)
290 // leave the code as is.
292 // The following is borrowed from the above gdk source for setting top
293 // level windows. The source indicates and the Xlib docs suggest that
294 // this will set the WM_CLIENT_MACHINE and WM_LOCAL_NAME. This will not
295 // set the WM_CLIENT_MACHINE to a Fully Qualified Domain Name (FQDN) which is
296 // required by the Extended Window Manager Hints (EWMH) spec when setting
297 // the _NET_WM_PID (see further down) but running Minetest in an env
298 // where the window manager is on another machine from Minetest (therefore
299 // making the PID useless) is not expected to be a problem. Further
300 // more, using gtk/gdk as the model it would seem that not using a FQDN is
301 // not an issue for modern Xorg window managers.
303 verbosestream << "Client: Setting Xorg window manager Properties"
306 XSetWMProperties (x11_dpl, x11_win, NULL, NULL, NULL, 0, NULL, NULL, NULL);
308 // Set the _NET_WM_PID window property according to the EWMH spec. _NET_WM_PID
309 // (in conjunction with WM_CLIENT_MACHINE) can be used by window managers to
310 // force a shutdown of an application if it doesn't respond to the destroy
313 verbosestream << "Client: Setting Xorg _NET_WM_PID extened window manager property"
316 Atom NET_WM_PID = XInternAtom(x11_dpl, "_NET_WM_PID", false);
318 pid_t pid = getpid();
320 XChangeProperty(x11_dpl, x11_win, NET_WM_PID,
321 XA_CARDINAL, 32, PropModeReplace,
322 reinterpret_cast<unsigned char *>(&pid),1);
324 // Set the WM_CLIENT_LEADER window property here. Minetest has only one
325 // window and that window will always be the leader.
327 verbosestream << "Client: Setting Xorg WM_CLIENT_LEADER property"
330 Atom WM_CLIENT_LEADER = XInternAtom(x11_dpl, "WM_CLIENT_LEADER", false);
332 XChangeProperty (x11_dpl, x11_win, WM_CLIENT_LEADER,
333 XA_WINDOW, 32, PropModeReplace,
334 reinterpret_cast<unsigned char *>(&x11_win), 1);
339 static bool getWindowHandle(irr::video::IVideoDriver *driver, HWND &hWnd)
341 const video::SExposedVideoData exposedData = driver->getExposedVideoData();
343 switch (driver->getDriverType()) {
344 #if IRRLICHT_VERSION_MAJOR == 1 && IRRLICHT_VERSION_MINOR < 9
345 case video::EDT_DIRECT3D8:
346 hWnd = reinterpret_cast<HWND>(exposedData.D3D8.HWnd);
349 case video::EDT_DIRECT3D9:
350 hWnd = reinterpret_cast<HWND>(exposedData.D3D9.HWnd);
353 case video::EDT_OGLES1:
354 case video::EDT_OGLES2:
356 case video::EDT_OPENGL:
357 hWnd = reinterpret_cast<HWND>(exposedData.OpenGLWin32.HWnd);
367 bool RenderingEngine::setWindowIcon()
369 #if defined(XORG_USED)
371 return setXorgWindowIconFromPath(
372 porting::path_share + "/misc/" PROJECT_NAME "-xorg-icon-128.png");
374 // We have semi-support for reading in-place data if we are
375 // compiled with RUN_IN_PLACE. Don't break with this and
376 // also try the path_share location.
377 return setXorgWindowIconFromPath(
378 ICON_DIR "/hicolor/128x128/apps/" PROJECT_NAME ".png") ||
379 setXorgWindowIconFromPath(porting::path_share + "/misc/" PROJECT_NAME
380 "-xorg-icon-128.png");
382 #elif defined(_WIN32)
383 HWND hWnd; // Window handle
384 if (!getWindowHandle(driver, hWnd))
387 // Load the ICON from resource file
388 const HICON hicon = LoadIcon(GetModuleHandle(NULL),
389 MAKEINTRESOURCE(130) // The ID of the ICON defined in
394 SendMessage(hWnd, WM_SETICON, ICON_BIG, reinterpret_cast<LPARAM>(hicon));
395 SendMessage(hWnd, WM_SETICON, ICON_SMALL,
396 reinterpret_cast<LPARAM>(hicon));
405 bool RenderingEngine::setXorgWindowIconFromPath(const std::string &icon_file)
409 video::IImageLoader *image_loader = NULL;
410 u32 cnt = driver->getImageLoaderCount();
411 for (u32 i = 0; i < cnt; i++) {
412 if (driver->getImageLoader(i)->isALoadableFileExtension(
413 icon_file.c_str())) {
414 image_loader = driver->getImageLoader(i);
420 warningstream << "Could not find image loader for file '" << icon_file
425 io::IReadFile *icon_f =
426 m_device->getFileSystem()->createAndOpenFile(icon_file.c_str());
429 warningstream << "Could not load icon file '" << icon_file << "'"
434 video::IImage *img = image_loader->loadImage(icon_f);
437 warningstream << "Could not load icon file '" << icon_file << "'"
443 u32 height = img->getDimension().Height;
444 u32 width = img->getDimension().Width;
446 size_t icon_buffer_len = 2 + height * width;
447 long *icon_buffer = new long[icon_buffer_len];
449 icon_buffer[0] = width;
450 icon_buffer[1] = height;
452 for (u32 x = 0; x < width; x++) {
453 for (u32 y = 0; y < height; y++) {
454 video::SColor col = img->getPixel(x, y);
456 pixel_val |= (u8)col.getAlpha() << 24;
457 pixel_val |= (u8)col.getRed() << 16;
458 pixel_val |= (u8)col.getGreen() << 8;
459 pixel_val |= (u8)col.getBlue();
460 icon_buffer[2 + x + y * width] = pixel_val;
467 const video::SExposedVideoData &video_data = driver->getExposedVideoData();
469 Display *x11_dpl = (Display *)video_data.OpenGLLinux.X11Display;
471 if (x11_dpl == NULL) {
472 warningstream << "Could not find x11 display for setting its icon."
474 delete[] icon_buffer;
478 Window x11_win = (Window)video_data.OpenGLLinux.X11Window;
480 Atom net_wm_icon = XInternAtom(x11_dpl, "_NET_WM_ICON", False);
481 Atom cardinal = XInternAtom(x11_dpl, "CARDINAL", False);
482 XChangeProperty(x11_dpl, x11_win, net_wm_icon, cardinal, 32, PropModeReplace,
483 (const unsigned char *)icon_buffer, icon_buffer_len);
485 delete[] icon_buffer;
492 Draws a screen with a single text on it.
493 Text will be removed when the screen is drawn the next time.
494 Additionally, a progressbar can be drawn when percent is set between 0 and 100.
496 void RenderingEngine::_draw_load_screen(const std::wstring &text,
497 gui::IGUIEnvironment *guienv, ITextureSource *tsrc, float dtime,
498 int percent, bool clouds)
500 v2u32 screensize = getWindowSize();
502 v2s32 textsize(g_fontengine->getTextWidth(text), g_fontengine->getLineHeight());
503 v2s32 center(screensize.X / 2, screensize.Y / 2);
504 core::rect<s32> textrect(center - textsize / 2, center + textsize / 2);
506 gui::IGUIStaticText *guitext =
507 guienv->addStaticText(text.c_str(), textrect, false, false);
508 guitext->setTextAlignment(gui::EGUIA_CENTER, gui::EGUIA_UPPERLEFT);
510 bool cloud_menu_background = clouds && g_settings->getBool("menu_clouds");
511 if (cloud_menu_background) {
512 g_menuclouds->step(dtime * 3);
513 g_menuclouds->render();
514 get_video_driver()->beginScene(
515 true, true, video::SColor(255, 140, 186, 250));
516 g_menucloudsmgr->drawAll();
518 get_video_driver()->beginScene(true, true, video::SColor(255, 0, 0, 0));
521 if ((percent >= 0) && (percent <= 100)) {
522 video::ITexture *progress_img = tsrc->getTexture("progress_bar.png");
523 video::ITexture *progress_img_bg =
524 tsrc->getTexture("progress_bar_bg.png");
526 if (progress_img && progress_img_bg) {
528 const core::dimension2d<u32> &img_size =
529 progress_img_bg->getSize();
530 u32 imgW = rangelim(img_size.Width, 200, 600);
531 u32 imgH = rangelim(img_size.Height, 24, 72);
533 const core::dimension2d<u32> img_size(256, 48);
534 float imgRatio = (float)img_size.Height / img_size.Width;
535 u32 imgW = screensize.X / 2.2f;
536 u32 imgH = floor(imgW * imgRatio);
538 v2s32 img_pos((screensize.X - imgW) / 2,
539 (screensize.Y - imgH) / 2);
541 draw2DImageFilterScaled(get_video_driver(), progress_img_bg,
542 core::rect<s32>(img_pos.X, img_pos.Y,
545 core::rect<s32>(0, 0, img_size.Width,
549 draw2DImageFilterScaled(get_video_driver(), progress_img,
550 core::rect<s32>(img_pos.X, img_pos.Y,
551 img_pos.X + (percent * imgW) / 100,
553 core::rect<s32>(0, 0,
554 (percent * img_size.Width) / 100,
561 get_video_driver()->endScene();
566 Draws the menu scene including (optional) cloud background.
568 void RenderingEngine::draw_menu_scene(gui::IGUIEnvironment *guienv,
569 float dtime, bool clouds)
571 bool cloud_menu_background = clouds && g_settings->getBool("menu_clouds");
572 if (cloud_menu_background) {
573 g_menuclouds->step(dtime * 3);
574 g_menuclouds->render();
575 get_video_driver()->beginScene(
576 true, true, video::SColor(255, 140, 186, 250));
577 g_menucloudsmgr->drawAll();
579 get_video_driver()->beginScene(true, true, video::SColor(255, 0, 0, 0));
582 get_video_driver()->endScene();
585 std::vector<core::vector3d<u32>> RenderingEngine::getSupportedVideoModes()
587 IrrlichtDevice *nulldevice = createDevice(video::EDT_NULL);
588 sanity_check(nulldevice);
590 std::vector<core::vector3d<u32>> mlist;
591 video::IVideoModeList *modelist = nulldevice->getVideoModeList();
593 s32 num_modes = modelist->getVideoModeCount();
594 for (s32 i = 0; i != num_modes; i++) {
595 core::dimension2d<u32> mode_res = modelist->getVideoModeResolution(i);
596 u32 mode_depth = (u32)modelist->getVideoModeDepth(i);
597 mlist.emplace_back(mode_res.Width, mode_res.Height, mode_depth);
604 std::vector<irr::video::E_DRIVER_TYPE> RenderingEngine::getSupportedVideoDrivers()
606 std::vector<irr::video::E_DRIVER_TYPE> drivers;
608 for (int i = 0; i != irr::video::EDT_COUNT; i++) {
609 if (irr::IrrlichtDevice::isDriverSupported((irr::video::E_DRIVER_TYPE)i))
610 drivers.push_back((irr::video::E_DRIVER_TYPE)i);
616 void RenderingEngine::initialize(Client *client, Hud *hud)
618 const std::string &draw_mode = g_settings->get("3d_mode");
619 core.reset(createRenderingCore(draw_mode, m_device, client, hud));
623 void RenderingEngine::finalize()
628 void RenderingEngine::draw_scene(video::SColor skycolor, bool show_hud,
629 bool show_minimap, bool draw_wield_tool, bool draw_crosshair)
631 core->draw(skycolor, show_hud, show_minimap, draw_wield_tool, draw_crosshair);
634 const char *RenderingEngine::getVideoDriverName(irr::video::E_DRIVER_TYPE type)
636 static const char *driver_ids[] = {
647 return driver_ids[type];
650 const char *RenderingEngine::getVideoDriverFriendlyName(irr::video::E_DRIVER_TYPE type)
652 static const char *driver_names[] = {
663 return driver_names[type];
667 #if defined(XORG_USED)
669 static float calcDisplayDensity()
671 const char *current_display = getenv("DISPLAY");
673 if (current_display != NULL) {
674 Display *x11display = XOpenDisplay(current_display);
676 if (x11display != NULL) {
678 int dh = DisplayHeight(x11display, 0);
679 int dw = DisplayWidth(x11display, 0);
680 int dh_mm = DisplayHeightMM(x11display, 0);
681 int dw_mm = DisplayWidthMM(x11display, 0);
682 XCloseDisplay(x11display);
684 if (dh_mm != 0 && dw_mm != 0) {
685 float dpi_height = floor(dh / (dh_mm * 0.039370) + 0.5);
686 float dpi_width = floor(dw / (dw_mm * 0.039370) + 0.5);
687 return std::max(dpi_height, dpi_width) / 96.0;
692 /* return manually specified dpi */
693 return g_settings->getFloat("screen_dpi") / 96.0;
696 float RenderingEngine::getDisplayDensity()
698 static float cached_display_density = calcDisplayDensity();
699 return cached_display_density;
702 #elif defined(_WIN32)
705 static float calcDisplayDensity(irr::video::IVideoDriver *driver)
708 if (getWindowHandle(driver, hWnd)) {
709 HDC hdc = GetDC(hWnd);
710 float dpi = GetDeviceCaps(hdc, LOGPIXELSX);
711 ReleaseDC(hWnd, hdc);
715 /* return manually specified dpi */
716 return g_settings->getFloat("screen_dpi") / 96.0f;
719 float RenderingEngine::getDisplayDensity()
721 static bool cached = false;
722 static float display_density;
724 display_density = calcDisplayDensity(get_video_driver());
727 return display_density;
732 float RenderingEngine::getDisplayDensity()
734 return g_settings->getFloat("screen_dpi") / 96.0;
739 v2u32 RenderingEngine::getDisplaySize()
741 IrrlichtDevice *nulldevice = createDevice(video::EDT_NULL);
743 core::dimension2d<u32> deskres =
744 nulldevice->getVideoModeList()->getDesktopResolution();
751 float RenderingEngine::getDisplayDensity()
753 return porting::getDisplayDensity();
756 v2u32 RenderingEngine::getDisplaySize()
758 return porting::getDisplaySize();
760 #endif // __ANDROID__