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irrlicht/source/Irrlicht/CIrrDeviceSDL.cpp
sfan5 538c9e5cde Drop gamma ramp code 
We definitely won't be wanting to set the gamma for the entire display in the future.
2022-07-18 21:22:38 +02:00

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// Copyright (C) 2002-2012 Nikolaus Gebhardt
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h
#include "IrrCompileConfig.h"
#ifdef _IRR_COMPILE_WITH_SDL_DEVICE_
#include "CIrrDeviceSDL.h"
#include "IEventReceiver.h"
#include "os.h"
#include "CTimer.h"
#include "irrString.h"
#include "Keycodes.h"
#include "COSOperator.h"
#include <stdio.h>
#include <stdlib.h>
#include "SIrrCreationParameters.h"
#include <SDL_video.h>
#ifdef _IRR_EMSCRIPTEN_PLATFORM_
#ifdef _IRR_COMPILE_WITH_OGLES2_
#include "CEGLManager.h"
#endif
#include <emscripten.h>
#endif
#ifdef _IRR_COMPILE_WITH_OPENGL_
#include "CSDLManager.h"
#endif
static int SDLDeviceInstances = 0;
namespace irr
{
namespace video
{
#ifdef _IRR_COMPILE_WITH_OPENGL_
IVideoDriver* createOpenGLDriver(const SIrrlichtCreationParameters& params, io::IFileSystem* io, IContextManager* contextManager);
#endif
#ifdef _IRR_COMPILE_WITH_OGLES2_
IVideoDriver* createOGLES2Driver(const SIrrlichtCreationParameters& params, io::IFileSystem* io, IContextManager* contextManager);
#endif
#ifdef _IRR_COMPILE_WITH_WEBGL1_
IVideoDriver* createWebGL1Driver(const SIrrlichtCreationParameters& params, io::IFileSystem* io, IContextManager* contextManager);
#endif
} // end namespace video
} // end namespace irr
namespace irr
{
#ifdef _IRR_EMSCRIPTEN_PLATFORM_
EM_BOOL CIrrDeviceSDL::MouseUpDownCallback(int eventType, const EmscriptenMouseEvent * event, void* userData)
{
// We need this callback so far only because otherwise "emscripten_request_pointerlock" calls will
// fail as their request are infinitely deferred.
// Not exactly certain why, maybe SDL does catch those mouse-events otherwise and not pass them on.
return EM_FALSE;
}
EM_BOOL CIrrDeviceSDL::MouseEnterCallback(int eventType, const EmscriptenMouseEvent *mouseEvent, void *userData)
{
CIrrDeviceSDL * This = static_cast<CIrrDeviceSDL*>(userData);
SEvent irrevent;
irrevent.EventType = irr::EET_MOUSE_INPUT_EVENT;
irrevent.MouseInput.Event = irr::EMIE_MOUSE_ENTER_CANVAS;
This->MouseX = irrevent.MouseInput.X = mouseEvent->canvasX;
This->MouseY = irrevent.MouseInput.Y = mouseEvent->canvasY;
This->MouseXRel = mouseEvent->movementX; // should be 0 I guess? Or can it enter while pointer is locked()?
This->MouseYRel = mouseEvent->movementY;
irrevent.MouseInput.ButtonStates = This->MouseButtonStates; // TODO: not correct, but couldn't figure out the bitset of mouseEvent->buttons yet.
irrevent.MouseInput.Shift = mouseEvent->shiftKey;
irrevent.MouseInput.Control = mouseEvent->ctrlKey;
This->postEventFromUser(irrevent);
return EM_FALSE;
}
EM_BOOL CIrrDeviceSDL::MouseLeaveCallback(int eventType, const EmscriptenMouseEvent *mouseEvent, void *userData)
{
CIrrDeviceSDL * This = static_cast<CIrrDeviceSDL*>(userData);
SEvent irrevent;
irrevent.EventType = irr::EET_MOUSE_INPUT_EVENT;
irrevent.MouseInput.Event = irr::EMIE_MOUSE_LEAVE_CANVAS;
This->MouseX = irrevent.MouseInput.X = mouseEvent->canvasX;
This->MouseY = irrevent.MouseInput.Y = mouseEvent->canvasY;
This->MouseXRel = mouseEvent->movementX; // should be 0 I guess? Or can it enter while pointer is locked()?
This->MouseYRel = mouseEvent->movementY;
irrevent.MouseInput.ButtonStates = This->MouseButtonStates; // TODO: not correct, but couldn't figure out the bitset of mouseEvent->buttons yet.
irrevent.MouseInput.Shift = mouseEvent->shiftKey;
irrevent.MouseInput.Control = mouseEvent->ctrlKey;
This->postEventFromUser(irrevent);
return EM_FALSE;
}
#endif
//! constructor
CIrrDeviceSDL::CIrrDeviceSDL(const SIrrlichtCreationParameters& param)
: CIrrDeviceStub(param),
Window((SDL_Window*)param.WindowId), SDL_Flags(0),
MouseX(0), MouseY(0), MouseXRel(0), MouseYRel(0), MouseButtonStates(0),
Width(param.WindowSize.Width), Height(param.WindowSize.Height),
Resizable(param.WindowResizable == 1 ? true : false), WindowMinimized(false)
{
#ifdef _DEBUG
setDebugName("CIrrDeviceSDL");
#endif
if ( ++SDLDeviceInstances == 1 )
{
// Initialize SDL... Timer for sleep, video for the obvious, and
// noparachute prevents SDL from catching fatal errors.
if (SDL_Init( SDL_INIT_TIMER|SDL_INIT_VIDEO|
#if defined(_IRR_COMPILE_WITH_JOYSTICK_EVENTS_)
SDL_INIT_JOYSTICK|
#endif
SDL_INIT_NOPARACHUTE ) < 0)
{
os::Printer::log( "Unable to initialize SDL!", SDL_GetError());
Close = true;
}
else
{
os::Printer::log("SDL initialized", ELL_INFORMATION);
}
}
// create keymap
createKeyMap();
if ( CreationParams.Fullscreen )
SDL_Flags |= SDL_WINDOW_FULLSCREEN;
else if ( Resizable )
SDL_Flags |= SDL_WINDOW_RESIZABLE;
if (CreationParams.DriverType == video::EDT_OPENGL)
{
SDL_Flags |= SDL_WINDOW_OPENGL;
if (!CreationParams.Doublebuffer)
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 0);
}
#ifdef _IRR_EMSCRIPTEN_PLATFORM_
SDL_Flags |= SDL_WINDOW_OPENGL;
#endif //_IRR_EMSCRIPTEN_PLATFORM_
// create window
if (CreationParams.DriverType != video::EDT_NULL)
{
// create the window, only if we do not use the null device
createWindow();
}
SDL_VERSION(&Info.version);
#ifndef _IRR_EMSCRIPTEN_PLATFORM_
SDL_GetWindowWMInfo(Window,&Info);
#endif //_IRR_EMSCRIPTEN_PLATFORM_
core::stringc sdlversion = "SDL Version ";
sdlversion += Info.version.major;
sdlversion += ".";
sdlversion += Info.version.minor;
sdlversion += ".";
sdlversion += Info.version.patch;
Operator = new COSOperator(sdlversion);
if (SDLDeviceInstances == 1) {
os::Printer::log(sdlversion.c_str(), ELL_INFORMATION);
}
// create cursor control
CursorControl = new CCursorControl(this);
// create driver
createDriver();
if (VideoDriver) {
createGUIAndScene();
VideoDriver->OnResize(core::dimension2d<u32>(Width, Height));
}
}
//! destructor
CIrrDeviceSDL::~CIrrDeviceSDL()
{
if ( --SDLDeviceInstances == 0 )
{
#if defined(_IRR_COMPILE_WITH_JOYSTICK_EVENTS_)
const u32 numJoysticks = Joysticks.size();
for (u32 i=0; i<numJoysticks; ++i)
SDL_JoystickClose(Joysticks[i]);
#endif
if (Window)
{
SDL_GL_MakeCurrent(Window, NULL);
SDL_GL_DeleteContext(Context);
SDL_DestroyWindow(Window);
}
SDL_Quit();
os::Printer::log("Quit SDL", ELL_INFORMATION);
}
}
void CIrrDeviceSDL::logAttributes()
{
core::stringc sdl_attr("SDL attribs:");
int value = 0;
if ( SDL_GL_GetAttribute( SDL_GL_RED_SIZE, &value ) == 0 )
sdl_attr += core::stringc(" r:") + core::stringc(value);
if ( SDL_GL_GetAttribute( SDL_GL_GREEN_SIZE, &value ) == 0 )
sdl_attr += core::stringc(" g:") + core::stringc(value);
if ( SDL_GL_GetAttribute( SDL_GL_BLUE_SIZE, &value ) == 0 )
sdl_attr += core::stringc(" b:") + core::stringc(value);
if ( SDL_GL_GetAttribute( SDL_GL_ALPHA_SIZE, &value ) == 0 )
sdl_attr += core::stringc(" a:") + core::stringc(value);
if ( SDL_GL_GetAttribute( SDL_GL_DEPTH_SIZE, &value) == 0 )
sdl_attr += core::stringc(" depth:") + core::stringc(value);
if ( SDL_GL_GetAttribute( SDL_GL_STENCIL_SIZE, &value ) == 0 )
sdl_attr += core::stringc(" stencil:") + core::stringc(value);
if ( SDL_GL_GetAttribute( SDL_GL_DOUBLEBUFFER, &value ) == 0 )
sdl_attr += core::stringc(" doublebuf:") + core::stringc(value);
if ( SDL_GL_GetAttribute( SDL_GL_MULTISAMPLEBUFFERS, &value ) == 0 )
sdl_attr += core::stringc(" aa:") + core::stringc(value);
if ( SDL_GL_GetAttribute( SDL_GL_MULTISAMPLESAMPLES, &value ) == 0 )
sdl_attr += core::stringc(" aa-samples:") + core::stringc(value);
os::Printer::log(sdl_attr.c_str());
}
bool CIrrDeviceSDL::createWindow()
{
#ifdef _IRR_EMSCRIPTEN_PLATFORM_
if ( Width != 0 || Height != 0 )
emscripten_set_canvas_size( Width, Height);
else
{
int w, h, fs;
emscripten_get_canvas_size(&w, &h, &fs);
Width = w;
Height = h;
}
SDL_GL_SetAttribute( SDL_GL_RED_SIZE, 8 );
SDL_GL_SetAttribute( SDL_GL_GREEN_SIZE, 8 );
SDL_GL_SetAttribute( SDL_GL_BLUE_SIZE, 8 );
SDL_GL_SetAttribute( SDL_GL_ALPHA_SIZE, CreationParams.WithAlphaChannel?8:0 );
SDL_GL_SetAttribute( SDL_GL_DEPTH_SIZE, CreationParams.ZBufferBits);
SDL_GL_SetAttribute( SDL_GL_STENCIL_SIZE, CreationParams.Stencilbuffer ? 8 : 0);
SDL_GL_SetAttribute( SDL_GL_DOUBLEBUFFER, CreationParams.Doublebuffer ? 1 : 0);
if (CreationParams.AntiAlias>1)
{
SDL_GL_SetAttribute( SDL_GL_MULTISAMPLEBUFFERS, 1 );
SDL_GL_SetAttribute( SDL_GL_MULTISAMPLESAMPLES, CreationParams.AntiAlias );
}
else
{
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 0);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, 0);
}
SDL_CreateWindowAndRenderer(0, 0, SDL_Flags, &Window, &Renderer); // 0,0 will use the canvas size
logAttributes();
// "#canvas" is for the opengl context
emscripten_set_mousedown_callback("#canvas", (void*)this, true, MouseUpDownCallback);
emscripten_set_mouseup_callback("#canvas", (void*)this, true, MouseUpDownCallback);
emscripten_set_mouseenter_callback("#canvas", (void*)this, false, MouseEnterCallback);
emscripten_set_mouseleave_callback("#canvas", (void*)this, false, MouseLeaveCallback);
return true;
#else // !_IRR_EMSCRIPTEN_PLATFORM_
if ( Close )
return false;
if (CreationParams.DriverType == video::EDT_OPENGL) {
if (CreationParams.Bits == 16) {
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 4);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 4);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 4);
SDL_GL_SetAttribute(
SDL_GL_ALPHA_SIZE, CreationParams.WithAlphaChannel ? 1 : 0);
} else {
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
SDL_GL_SetAttribute(
SDL_GL_ALPHA_SIZE, CreationParams.WithAlphaChannel ? 8 : 0);
}
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, CreationParams.ZBufferBits);
if (CreationParams.Doublebuffer)
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, CreationParams.Stencilbuffer ? 8 : 0);
if (CreationParams.Stereobuffer)
SDL_GL_SetAttribute(SDL_GL_STEREO, 1);
if (CreationParams.AntiAlias > 1) {
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 1);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, CreationParams.AntiAlias);
}
if (!Window)
Window = SDL_CreateWindow("", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, Width, Height, SDL_Flags);
if (!Window && CreationParams.AntiAlias > 1) {
while (--CreationParams.AntiAlias > 1) {
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, CreationParams.AntiAlias);
Window = SDL_CreateWindow("", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, Width, Height, SDL_Flags);
if (Window)
break;
}
if (!Window) {
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS, 0);
SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES, 0);
Window = SDL_CreateWindow("", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, Width, Height, SDL_Flags);
if (Window)
os::Printer::log("AntiAliasing disabled due to lack of support!");
}
}
if (Window)
{
Context = SDL_GL_CreateContext(Window);
}
} else if (!Window)
Window = SDL_CreateWindow("", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, Width, Height, SDL_Flags);
if ( !Window && CreationParams.Doublebuffer)
{
// Try single buffer
if (CreationParams.DriverType == video::EDT_OPENGL)
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
Window = SDL_CreateWindow("", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, Width, Height, SDL_Flags);
}
if ( !Window )
{
os::Printer::log( "Could not initialize display!" );
return false;
}
return true;
#endif // !_IRR_EMSCRIPTEN_PLATFORM_
}
//! create the driver
void CIrrDeviceSDL::createDriver()
{
switch(CreationParams.DriverType)
{
case video::DEPRECATED_EDT_DIRECT3D8_NO_LONGER_EXISTS:
os::Printer::log("DIRECT3D8 Driver is no longer supported in Irrlicht. Try another one.", ELL_ERROR);
break;
case video::EDT_DIRECT3D9:
#ifdef _IRR_COMPILE_WITH_DIRECT3D_9_
os::Printer::log("SDL device does not support DIRECT3D9 driver. Try another one.", ELL_ERROR);
#else
os::Printer::log("DIRECT3D9 Driver was not compiled into this dll. Try another one.", ELL_ERROR);
#endif // _IRR_COMPILE_WITH_DIRECT3D_9_
break;
case video::EDT_SOFTWARE:
#ifdef _IRR_COMPILE_WITH_SOFTWARE_
VideoDriver = video::createSoftwareDriver(CreationParams.WindowSize, CreationParams.Fullscreen, FileSystem, this);
#else
os::Printer::log("No Software driver support compiled in.", ELL_ERROR);
#endif
break;
case video::EDT_BURNINGSVIDEO:
#ifdef _IRR_COMPILE_WITH_BURNINGSVIDEO_
VideoDriver = video::createBurningVideoDriver(CreationParams, FileSystem, this);
#else
os::Printer::log("Burning's video driver was not compiled in.", ELL_ERROR);
#endif
break;
case video::EDT_OPENGL:
#ifdef _IRR_COMPILE_WITH_OPENGL_
ContextManager = new video::CSDLManager(this);
VideoDriver = video::createOpenGLDriver(CreationParams, FileSystem, ContextManager);
#else
os::Printer::log("No OpenGL support compiled in.", ELL_ERROR);
#endif
break;
case video::EDT_OGLES2:
#if defined(_IRR_COMPILE_WITH_OGLES2_) && defined(_IRR_EMSCRIPTEN_PLATFORM_)
{
video::SExposedVideoData data;
ContextManager = new video::CEGLManager();
ContextManager->initialize(CreationParams, data);
VideoDriver = video::createOGLES2Driver(CreationParams, FileSystem, ContextManager);
}
#else
os::Printer::log("No OpenGL-ES2 support compiled in.", ELL_ERROR);
#endif
break;
case video::EDT_WEBGL1:
#if defined(_IRR_COMPILE_WITH_WEBGL1_) && defined(_IRR_EMSCRIPTEN_PLATFORM_)
{
video::SExposedVideoData data;
ContextManager = new video::CEGLManager();
ContextManager->initialize(CreationParams, data);
VideoDriver = video::createWebGL1Driver(CreationParams, FileSystem, ContextManager);
}
#else
os::Printer::log("No WebGL1 support compiled in.", ELL_ERROR);
#endif
break;
case video::EDT_NULL:
VideoDriver = video::createNullDriver(FileSystem, CreationParams.WindowSize);
break;
default:
os::Printer::log("Unable to create video driver of unknown type.", ELL_ERROR);
break;
}
// In case we got the size from the canvas
if ( VideoDriver && CreationParams.WindowSize.Width == 0 && CreationParams.WindowSize.Height == 0 && Width > 0 && Height > 0 )
{
#ifdef _IRR_EMSCRIPTEN_PLATFORM_
SDL_CreateWindowAndRenderer(Width, Height, SDL_Flags, &Window, &Renderer);
#else //_IRR_EMSCRIPTEN_PLATFORM_
Window = SDL_CreateWindow("", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, Width, Height, SDL_Flags);
#endif //_IRR_EMSCRIPTEN_PLATFOR
VideoDriver->OnResize(core::dimension2d<u32>(Width, Height));
}
}
//! runs the device. Returns false if device wants to be deleted
bool CIrrDeviceSDL::run()
{
os::Timer::tick();
SEvent irrevent;
SDL_Event SDL_event;
while ( !Close && SDL_PollEvent( &SDL_event ) )
{
// os::Printer::log("event: ", core::stringc((int)SDL_event.type).c_str(), ELL_INFORMATION); // just for debugging
switch ( SDL_event.type )
{
case SDL_MOUSEMOTION:
irrevent.EventType = irr::EET_MOUSE_INPUT_EVENT;
irrevent.MouseInput.Event = irr::EMIE_MOUSE_MOVED;
MouseX = irrevent.MouseInput.X = SDL_event.motion.x;
MouseY = irrevent.MouseInput.Y = SDL_event.motion.y;
MouseXRel = SDL_event.motion.xrel;
MouseYRel = SDL_event.motion.yrel;
irrevent.MouseInput.ButtonStates = MouseButtonStates;
postEventFromUser(irrevent);
break;
case SDL_MOUSEWHEEL:
irrevent.EventType = irr::EET_MOUSE_INPUT_EVENT;
irrevent.MouseInput.Event = irr::EMIE_MOUSE_WHEEL;
irrevent.MouseInput.Wheel = static_cast<float>(SDL_event.wheel.y);
postEventFromUser(irrevent);
break;
case SDL_MOUSEBUTTONDOWN:
case SDL_MOUSEBUTTONUP:
irrevent.EventType = irr::EET_MOUSE_INPUT_EVENT;
irrevent.MouseInput.X = SDL_event.button.x;
irrevent.MouseInput.Y = SDL_event.button.y;
irrevent.MouseInput.Event = irr::EMIE_MOUSE_MOVED;
#ifdef _IRR_EMSCRIPTEN_PLATFORM_
// Handle mouselocking in emscripten in Windowed mode.
// In fullscreen SDL will handle it.
// The behavior we want windowed is - when the canvas was clicked then
// we will lock the mouse-pointer if it should be invisible.
// For security reasons this will be delayed until the next mouse-up event.
// We do not pass on this event as we don't want the activation click to do anything.
if ( SDL_event.type == SDL_MOUSEBUTTONDOWN && !isFullscreen() )
{
EmscriptenPointerlockChangeEvent pointerlockStatus; // let's hope that test is not expensive ...
if ( emscripten_get_pointerlock_status(&pointerlockStatus) == EMSCRIPTEN_RESULT_SUCCESS )
{
if ( CursorControl->isVisible() && pointerlockStatus.isActive )
{
emscripten_exit_pointerlock();
return !Close;
}
else if ( !CursorControl->isVisible() && !pointerlockStatus.isActive )
{
emscripten_request_pointerlock(0, true);
return !Close;
}
}
}
#endif
switch(SDL_event.button.button)
{
case SDL_BUTTON_LEFT:
if (SDL_event.type == SDL_MOUSEBUTTONDOWN)
{
irrevent.MouseInput.Event = irr::EMIE_LMOUSE_PRESSED_DOWN;
MouseButtonStates |= irr::EMBSM_LEFT;
}
else
{
irrevent.MouseInput.Event = irr::EMIE_LMOUSE_LEFT_UP;
MouseButtonStates &= ~irr::EMBSM_LEFT;
}
break;
case SDL_BUTTON_RIGHT:
if (SDL_event.type == SDL_MOUSEBUTTONDOWN)
{
irrevent.MouseInput.Event = irr::EMIE_RMOUSE_PRESSED_DOWN;
MouseButtonStates |= irr::EMBSM_RIGHT;
}
else
{
irrevent.MouseInput.Event = irr::EMIE_RMOUSE_LEFT_UP;
MouseButtonStates &= ~irr::EMBSM_RIGHT;
}
break;
case SDL_BUTTON_MIDDLE:
if (SDL_event.type == SDL_MOUSEBUTTONDOWN)
{
irrevent.MouseInput.Event = irr::EMIE_MMOUSE_PRESSED_DOWN;
MouseButtonStates |= irr::EMBSM_MIDDLE;
}
else
{
irrevent.MouseInput.Event = irr::EMIE_MMOUSE_LEFT_UP;
MouseButtonStates &= ~irr::EMBSM_MIDDLE;
}
break;
}
irrevent.MouseInput.ButtonStates = MouseButtonStates;
if (irrevent.MouseInput.Event != irr::EMIE_MOUSE_MOVED)
{
postEventFromUser(irrevent);
if ( irrevent.MouseInput.Event >= EMIE_LMOUSE_PRESSED_DOWN && irrevent.MouseInput.Event <= EMIE_MMOUSE_PRESSED_DOWN )
{
u32 clicks = checkSuccessiveClicks(irrevent.MouseInput.X, irrevent.MouseInput.Y, irrevent.MouseInput.Event);
if ( clicks == 2 )
{
irrevent.MouseInput.Event = (EMOUSE_INPUT_EVENT)(EMIE_LMOUSE_DOUBLE_CLICK + irrevent.MouseInput.Event-EMIE_LMOUSE_PRESSED_DOWN);
postEventFromUser(irrevent);
}
else if ( clicks == 3 )
{
irrevent.MouseInput.Event = (EMOUSE_INPUT_EVENT)(EMIE_LMOUSE_TRIPLE_CLICK + irrevent.MouseInput.Event-EMIE_LMOUSE_PRESSED_DOWN);
postEventFromUser(irrevent);
}
}
}
break;
case SDL_TEXTINPUT:
{
irrevent.EventType = irr::EET_STRING_INPUT_EVENT;
irrevent.StringInput.Str = new core::stringw();
irr::core::multibyteToWString(*irrevent.StringInput.Str, SDL_event.text.text);
postEventFromUser(irrevent);
delete irrevent.StringInput.Str;
irrevent.StringInput.Str = NULL;
}
break;
case SDL_KEYDOWN:
case SDL_KEYUP:
{
SKeyMap mp;
mp.SDLKey = SDL_event.key.keysym.sym;
s32 idx = KeyMap.binary_search(mp);
EKEY_CODE key;
if (idx == -1)
key = (EKEY_CODE)0;
else
key = (EKEY_CODE)KeyMap[idx].Win32Key;
#ifdef _IRR_WINDOWS_API_
// handle alt+f4 in Windows, because SDL seems not to
if ( (SDL_event.key.keysym.mod & KMOD_LALT) && key == KEY_F4)
{
Close = true;
break;
}
#endif
irrevent.EventType = irr::EET_KEY_INPUT_EVENT;
irrevent.KeyInput.Key = key;
irrevent.KeyInput.PressedDown = (SDL_event.type == SDL_KEYDOWN);
irrevent.KeyInput.Shift = (SDL_event.key.keysym.mod & KMOD_SHIFT) != 0;
irrevent.KeyInput.Control = (SDL_event.key.keysym.mod & KMOD_CTRL ) != 0;
// These keys are handled differently in CGUIEditBox.cpp (may become out of date!)
// Control key is used in special character combinations, so keep that too
// Pass through the keysym only then so no extra text gets input
irrevent.KeyInput.Char = 0;
if (mp.SDLKey == SDLK_DELETE || mp.SDLKey == SDLK_RETURN || mp.SDLKey == SDLK_BACKSPACE || irrevent.KeyInput.Control)
irrevent.KeyInput.Char = mp.SDLKey;
postEventFromUser(irrevent);
}
break;
case SDL_QUIT:
Close = true;
break;
case SDL_WINDOWEVENT:
switch (SDL_event.window.event)
{
case SDL_WINDOWEVENT_MAXIMIZED:
WindowMinimized = true;
break;
case SDL_WINDOWEVENT_RESTORED:
WindowMinimized = false;
break;
case SDL_WINDOWEVENT_RESIZED:
if ((SDL_event.window.data1 != (int)Width) || (SDL_event.window.data2 != (int)Height))
{
Width = SDL_event.window.data1;
Height = SDL_event.window.data2;
if (VideoDriver)
VideoDriver->OnResize(core::dimension2d<u32>(Width, Height));
}
break;
}
case SDL_USEREVENT:
irrevent.EventType = irr::EET_USER_EVENT;
irrevent.UserEvent.UserData1 = reinterpret_cast<uintptr_t>(SDL_event.user.data1);
irrevent.UserEvent.UserData2 = reinterpret_cast<uintptr_t>(SDL_event.user.data2);
postEventFromUser(irrevent);
break;
default:
break;
} // end switch
} // end while
#if defined(_IRR_COMPILE_WITH_JOYSTICK_EVENTS_)
// TODO: Check if the multiple open/close calls are too expensive, then
// open/close in the constructor/destructor instead
// update joystick states manually
SDL_JoystickUpdate();
// we'll always send joystick input events...
SEvent joyevent;
joyevent.EventType = EET_JOYSTICK_INPUT_EVENT;
for (u32 i=0; i<Joysticks.size(); ++i)
{
SDL_Joystick* joystick = Joysticks[i];
if (joystick)
{
int j;
// query all buttons
const int numButtons = core::min_(SDL_JoystickNumButtons(joystick), 32);
joyevent.JoystickEvent.ButtonStates=0;
for (j=0; j<numButtons; ++j)
joyevent.JoystickEvent.ButtonStates |= (SDL_JoystickGetButton(joystick, j)<<j);
// query all axes, already in correct range
const int numAxes = core::min_(SDL_JoystickNumAxes(joystick), (int)SEvent::SJoystickEvent::NUMBER_OF_AXES);
joyevent.JoystickEvent.Axis[SEvent::SJoystickEvent::AXIS_X]=0;
joyevent.JoystickEvent.Axis[SEvent::SJoystickEvent::AXIS_Y]=0;
joyevent.JoystickEvent.Axis[SEvent::SJoystickEvent::AXIS_Z]=0;
joyevent.JoystickEvent.Axis[SEvent::SJoystickEvent::AXIS_R]=0;
joyevent.JoystickEvent.Axis[SEvent::SJoystickEvent::AXIS_U]=0;
joyevent.JoystickEvent.Axis[SEvent::SJoystickEvent::AXIS_V]=0;
for (j=0; j<numAxes; ++j)
joyevent.JoystickEvent.Axis[j] = SDL_JoystickGetAxis(joystick, j);
// we can only query one hat, SDL only supports 8 directions
if (SDL_JoystickNumHats(joystick)>0)
{
switch (SDL_JoystickGetHat(joystick, 0))
{
case SDL_HAT_UP:
joyevent.JoystickEvent.POV=0;
break;
case SDL_HAT_RIGHTUP:
joyevent.JoystickEvent.POV=4500;
break;
case SDL_HAT_RIGHT:
joyevent.JoystickEvent.POV=9000;
break;
case SDL_HAT_RIGHTDOWN:
joyevent.JoystickEvent.POV=13500;
break;
case SDL_HAT_DOWN:
joyevent.JoystickEvent.POV=18000;
break;
case SDL_HAT_LEFTDOWN:
joyevent.JoystickEvent.POV=22500;
break;
case SDL_HAT_LEFT:
joyevent.JoystickEvent.POV=27000;
break;
case SDL_HAT_LEFTUP:
joyevent.JoystickEvent.POV=31500;
break;
case SDL_HAT_CENTERED:
default:
joyevent.JoystickEvent.POV=65535;
break;
}
}
else
{
joyevent.JoystickEvent.POV=65535;
}
// we map the number directly
joyevent.JoystickEvent.Joystick=static_cast<u8>(i);
// now post the event
postEventFromUser(joyevent);
// and close the joystick
}
}
#endif
return !Close;
}
//! Activate any joysticks, and generate events for them.
bool CIrrDeviceSDL::activateJoysticks(core::array<SJoystickInfo> & joystickInfo)
{
#if defined(_IRR_COMPILE_WITH_JOYSTICK_EVENTS_)
joystickInfo.clear();
// we can name up to 256 different joysticks
const int numJoysticks = core::min_(SDL_NumJoysticks(), 256);
Joysticks.reallocate(numJoysticks);
joystickInfo.reallocate(numJoysticks);
int joystick = 0;
for (; joystick<numJoysticks; ++joystick)
{
Joysticks.push_back( SDL_JoystickOpen(joystick));
SJoystickInfo info;
info.Joystick = joystick;
info.Axes = SDL_JoystickNumAxes(Joysticks[joystick]);
info.Buttons = SDL_JoystickNumButtons(Joysticks[joystick]);
info.Name = SDL_JoystickName(Joysticks[joystick]);
info.PovHat = (SDL_JoystickNumHats(Joysticks[joystick]) > 0)
? SJoystickInfo::POV_HAT_PRESENT : SJoystickInfo::POV_HAT_ABSENT;
joystickInfo.push_back(info);
}
for(joystick = 0; joystick < (int)joystickInfo.size(); ++joystick)
{
char logString[256];
snprintf_irr(logString, sizeof(logString), "Found joystick %d, %d axes, %d buttons '%s'",
joystick, joystickInfo[joystick].Axes,
joystickInfo[joystick].Buttons, joystickInfo[joystick].Name.c_str());
os::Printer::log(logString, ELL_INFORMATION);
}
return true;
#endif // _IRR_COMPILE_WITH_JOYSTICK_EVENTS_
return false;
}
void CIrrDeviceSDL::SwapWindow()
{
SDL_GL_SwapWindow(Window);
}
//! pause execution temporarily
void CIrrDeviceSDL::yield()
{
SDL_Delay(0);
}
//! pause execution for a specified time
void CIrrDeviceSDL::sleep(u32 timeMs, bool pauseTimer)
{
const bool wasStopped = Timer ? Timer->isStopped() : true;
if (pauseTimer && !wasStopped)
Timer->stop();
SDL_Delay(timeMs);
if (pauseTimer && !wasStopped)
Timer->start();
}
//! sets the caption of the window
void CIrrDeviceSDL::setWindowCaption(const wchar_t* text)
{
core::stringc textc;
core::wStringToMultibyte(textc, text);
SDL_SetWindowTitle(Window, textc.c_str());
}
//! presents a surface in the client area
bool CIrrDeviceSDL::present(video::IImage* surface, void* windowId, core::rect<s32>* srcClip)
{
#ifdef _IRR_EMSCRIPTEN_PLATFORM_
return true;
#else // !_IRR_EMSCRIPTEN_PLATFORM_
SDL_Surface *sdlSurface = SDL_CreateRGBSurfaceFrom(
surface->getData(), surface->getDimension().Width, surface->getDimension().Height,
surface->getBitsPerPixel(), surface->getPitch(),
surface->getRedMask(), surface->getGreenMask(), surface->getBlueMask(), surface->getAlphaMask());
if (!sdlSurface)
return false;
SDL_SetSurfaceAlphaMod(sdlSurface, 0);
SDL_SetColorKey(sdlSurface, 0, 0);
sdlSurface->format->BitsPerPixel=surface->getBitsPerPixel();
sdlSurface->format->BytesPerPixel=surface->getBytesPerPixel();
if ((surface->getColorFormat()==video::ECF_R8G8B8) ||
(surface->getColorFormat()==video::ECF_A8R8G8B8))
{
sdlSurface->format->Rloss=0;
sdlSurface->format->Gloss=0;
sdlSurface->format->Bloss=0;
sdlSurface->format->Rshift=16;
sdlSurface->format->Gshift=8;
sdlSurface->format->Bshift=0;
if (surface->getColorFormat()==video::ECF_R8G8B8)
{
sdlSurface->format->Aloss=8;
sdlSurface->format->Ashift=32;
}
else
{
sdlSurface->format->Aloss=0;
sdlSurface->format->Ashift=24;
}
}
else if (surface->getColorFormat()==video::ECF_R5G6B5)
{
sdlSurface->format->Rloss=3;
sdlSurface->format->Gloss=2;
sdlSurface->format->Bloss=3;
sdlSurface->format->Aloss=8;
sdlSurface->format->Rshift=11;
sdlSurface->format->Gshift=5;
sdlSurface->format->Bshift=0;
sdlSurface->format->Ashift=16;
}
else if (surface->getColorFormat()==video::ECF_A1R5G5B5)
{
sdlSurface->format->Rloss=3;
sdlSurface->format->Gloss=3;
sdlSurface->format->Bloss=3;
sdlSurface->format->Aloss=7;
sdlSurface->format->Rshift=10;
sdlSurface->format->Gshift=5;
sdlSurface->format->Bshift=0;
sdlSurface->format->Ashift=15;
}
SDL_Surface* scr = (SDL_Surface* )windowId;
if (!scr)
scr = SDL_GetWindowSurface(Window);
if (scr)
{
if (srcClip)
{
SDL_Rect sdlsrcClip;
sdlsrcClip.x = srcClip->UpperLeftCorner.X;
sdlsrcClip.y = srcClip->UpperLeftCorner.Y;
sdlsrcClip.w = srcClip->getWidth();
sdlsrcClip.h = srcClip->getHeight();
SDL_BlitSurface(sdlSurface, &sdlsrcClip, scr, NULL);
}
else
SDL_BlitSurface(sdlSurface, NULL, scr, NULL);
SDL_RenderPresent(SDL_GetRenderer(Window));
}
SDL_FreeSurface(sdlSurface);
return (scr != 0);
#endif // !_IRR_EMSCRIPTEN_PLATFORM_
}
//! notifies the device that it should close itself
void CIrrDeviceSDL::closeDevice()
{
Close = true;
}
//! Sets if the window should be resizable in windowed mode.
void CIrrDeviceSDL::setResizable(bool resize)
{
#ifdef _IRR_EMSCRIPTEN_PLATFORM_
os::Printer::log("Resizable not available on the web." , ELL_WARNING);
return;
#else // !_IRR_EMSCRIPTEN_PLATFORM_
if (resize != Resizable) {
if (resize)
SDL_Flags |= SDL_WINDOW_RESIZABLE;
else
SDL_Flags &= ~SDL_WINDOW_RESIZABLE;
if (Window) {
SDL_SetWindowResizable(Window, (SDL_bool)resize);
}
Resizable = resize;
}
#endif // !_IRR_EMSCRIPTEN_PLATFORM_
}
//! Minimizes window if possible
void CIrrDeviceSDL::minimizeWindow()
{
if (Window) {
SDL_MinimizeWindow(Window);
}
}
//! Maximize window
void CIrrDeviceSDL::maximizeWindow()
{
// do nothing
}
//! Get the position of this window on screen
core::position2di CIrrDeviceSDL::getWindowPosition()
{
return core::position2di(-1, -1);
}
//! Restore original window size
void CIrrDeviceSDL::restoreWindow()
{
// do nothing
}
bool CIrrDeviceSDL::isFullscreen() const
{
#ifdef _IRR_EMSCRIPTEN_PLATFORM_
return SDL_GetWindowFlags(0) == SDL_WINDOW_FULLSCREEN;
#else
return CIrrDeviceStub::isFullscreen();
#endif
}
//! returns if window is active. if not, nothing need to be drawn
bool CIrrDeviceSDL::isWindowActive() const
{
#ifdef _IRR_EMSCRIPTEN_PLATFORM_
// Hidden test only does something in some browsers (when tab in background or window is minimized)
// In other browsers code automatically doesn't seem to be called anymore.
EmscriptenVisibilityChangeEvent emVisibility;
if ( emscripten_get_visibility_status(&emVisibility) == EMSCRIPTEN_RESULT_SUCCESS)
{
if ( emVisibility.hidden )
return false;
}
#endif
const u32 windowFlags = SDL_GetWindowFlags(Window);
return windowFlags & SDL_WINDOW_SHOWN && windowFlags & SDL_WINDOW_INPUT_FOCUS;
}
//! returns if window has focus.
bool CIrrDeviceSDL::isWindowFocused() const
{
return SDL_GetWindowFlags(Window) & SDL_WINDOW_INPUT_FOCUS;
}
//! returns if window is minimized.
bool CIrrDeviceSDL::isWindowMinimized() const
{
return WindowMinimized;
}
//! returns color format of the window.
video::ECOLOR_FORMAT CIrrDeviceSDL::getColorFormat() const
{
if (Window)
{
SDL_Surface *surface = SDL_GetWindowSurface(Window);
if (surface->format->BitsPerPixel == 16)
{
if (surface->format->Amask != 0)
return video::ECF_A1R5G5B5;
else
return video::ECF_R5G6B5;
}
else
{
if (surface->format->Amask != 0)
return video::ECF_A8R8G8B8;
else
return video::ECF_R8G8B8;
}
}
else
return CIrrDeviceStub::getColorFormat();
}
void CIrrDeviceSDL::createKeyMap()
{
// I don't know if this is the best method to create
// the lookuptable, but I'll leave it like that until
// I find a better version.
KeyMap.reallocate(105);
// buttons missing
KeyMap.push_back(SKeyMap(SDLK_BACKSPACE, KEY_BACK));
KeyMap.push_back(SKeyMap(SDLK_TAB, KEY_TAB));
KeyMap.push_back(SKeyMap(SDLK_CLEAR, KEY_CLEAR));
KeyMap.push_back(SKeyMap(SDLK_RETURN, KEY_RETURN));
// combined modifiers missing
KeyMap.push_back(SKeyMap(SDLK_PAUSE, KEY_PAUSE));
KeyMap.push_back(SKeyMap(SDLK_CAPSLOCK, KEY_CAPITAL));
// asian letter keys missing
KeyMap.push_back(SKeyMap(SDLK_ESCAPE, KEY_ESCAPE));
// asian letter keys missing
KeyMap.push_back(SKeyMap(SDLK_SPACE, KEY_SPACE));
KeyMap.push_back(SKeyMap(SDLK_PAGEUP, KEY_PRIOR));
KeyMap.push_back(SKeyMap(SDLK_PAGEDOWN, KEY_NEXT));
KeyMap.push_back(SKeyMap(SDLK_END, KEY_END));
KeyMap.push_back(SKeyMap(SDLK_HOME, KEY_HOME));
KeyMap.push_back(SKeyMap(SDLK_LEFT, KEY_LEFT));
KeyMap.push_back(SKeyMap(SDLK_UP, KEY_UP));
KeyMap.push_back(SKeyMap(SDLK_RIGHT, KEY_RIGHT));
KeyMap.push_back(SKeyMap(SDLK_DOWN, KEY_DOWN));
// select missing
KeyMap.push_back(SKeyMap(SDLK_PRINTSCREEN, KEY_PRINT));
// execute missing
KeyMap.push_back(SKeyMap(SDLK_PRINTSCREEN, KEY_SNAPSHOT));
KeyMap.push_back(SKeyMap(SDLK_INSERT, KEY_INSERT));
KeyMap.push_back(SKeyMap(SDLK_DELETE, KEY_DELETE));
KeyMap.push_back(SKeyMap(SDLK_HELP, KEY_HELP));
KeyMap.push_back(SKeyMap(SDLK_0, KEY_KEY_0));
KeyMap.push_back(SKeyMap(SDLK_1, KEY_KEY_1));
KeyMap.push_back(SKeyMap(SDLK_2, KEY_KEY_2));
KeyMap.push_back(SKeyMap(SDLK_3, KEY_KEY_3));
KeyMap.push_back(SKeyMap(SDLK_4, KEY_KEY_4));
KeyMap.push_back(SKeyMap(SDLK_5, KEY_KEY_5));
KeyMap.push_back(SKeyMap(SDLK_6, KEY_KEY_6));
KeyMap.push_back(SKeyMap(SDLK_7, KEY_KEY_7));
KeyMap.push_back(SKeyMap(SDLK_8, KEY_KEY_8));
KeyMap.push_back(SKeyMap(SDLK_9, KEY_KEY_9));
KeyMap.push_back(SKeyMap(SDLK_a, KEY_KEY_A));
KeyMap.push_back(SKeyMap(SDLK_b, KEY_KEY_B));
KeyMap.push_back(SKeyMap(SDLK_c, KEY_KEY_C));
KeyMap.push_back(SKeyMap(SDLK_d, KEY_KEY_D));
KeyMap.push_back(SKeyMap(SDLK_e, KEY_KEY_E));
KeyMap.push_back(SKeyMap(SDLK_f, KEY_KEY_F));
KeyMap.push_back(SKeyMap(SDLK_g, KEY_KEY_G));
KeyMap.push_back(SKeyMap(SDLK_h, KEY_KEY_H));
KeyMap.push_back(SKeyMap(SDLK_i, KEY_KEY_I));
KeyMap.push_back(SKeyMap(SDLK_j, KEY_KEY_J));
KeyMap.push_back(SKeyMap(SDLK_k, KEY_KEY_K));
KeyMap.push_back(SKeyMap(SDLK_l, KEY_KEY_L));
KeyMap.push_back(SKeyMap(SDLK_m, KEY_KEY_M));
KeyMap.push_back(SKeyMap(SDLK_n, KEY_KEY_N));
KeyMap.push_back(SKeyMap(SDLK_o, KEY_KEY_O));
KeyMap.push_back(SKeyMap(SDLK_p, KEY_KEY_P));
KeyMap.push_back(SKeyMap(SDLK_q, KEY_KEY_Q));
KeyMap.push_back(SKeyMap(SDLK_r, KEY_KEY_R));
KeyMap.push_back(SKeyMap(SDLK_s, KEY_KEY_S));
KeyMap.push_back(SKeyMap(SDLK_t, KEY_KEY_T));
KeyMap.push_back(SKeyMap(SDLK_u, KEY_KEY_U));
KeyMap.push_back(SKeyMap(SDLK_v, KEY_KEY_V));
KeyMap.push_back(SKeyMap(SDLK_w, KEY_KEY_W));
KeyMap.push_back(SKeyMap(SDLK_x, KEY_KEY_X));
KeyMap.push_back(SKeyMap(SDLK_y, KEY_KEY_Y));
KeyMap.push_back(SKeyMap(SDLK_z, KEY_KEY_Z));
KeyMap.push_back(SKeyMap(SDLK_LGUI, KEY_LWIN));
KeyMap.push_back(SKeyMap(SDLK_RGUI, KEY_RWIN));
// apps missing
KeyMap.push_back(SKeyMap(SDLK_POWER, KEY_SLEEP)); //??
KeyMap.push_back(SKeyMap(SDLK_KP_0, KEY_NUMPAD0));
KeyMap.push_back(SKeyMap(SDLK_KP_1, KEY_NUMPAD1));
KeyMap.push_back(SKeyMap(SDLK_KP_2, KEY_NUMPAD2));
KeyMap.push_back(SKeyMap(SDLK_KP_3, KEY_NUMPAD3));
KeyMap.push_back(SKeyMap(SDLK_KP_4, KEY_NUMPAD4));
KeyMap.push_back(SKeyMap(SDLK_KP_5, KEY_NUMPAD5));
KeyMap.push_back(SKeyMap(SDLK_KP_6, KEY_NUMPAD6));
KeyMap.push_back(SKeyMap(SDLK_KP_7, KEY_NUMPAD7));
KeyMap.push_back(SKeyMap(SDLK_KP_8, KEY_NUMPAD8));
KeyMap.push_back(SKeyMap(SDLK_KP_9, KEY_NUMPAD9));
KeyMap.push_back(SKeyMap(SDLK_KP_MULTIPLY, KEY_MULTIPLY));
KeyMap.push_back(SKeyMap(SDLK_KP_PLUS, KEY_ADD));
// KeyMap.push_back(SKeyMap(SDLK_KP_, KEY_SEPARATOR));
KeyMap.push_back(SKeyMap(SDLK_KP_MINUS, KEY_SUBTRACT));
KeyMap.push_back(SKeyMap(SDLK_KP_PERIOD, KEY_DECIMAL));
KeyMap.push_back(SKeyMap(SDLK_KP_DIVIDE, KEY_DIVIDE));
KeyMap.push_back(SKeyMap(SDLK_F1, KEY_F1));
KeyMap.push_back(SKeyMap(SDLK_F2, KEY_F2));
KeyMap.push_back(SKeyMap(SDLK_F3, KEY_F3));
KeyMap.push_back(SKeyMap(SDLK_F4, KEY_F4));
KeyMap.push_back(SKeyMap(SDLK_F5, KEY_F5));
KeyMap.push_back(SKeyMap(SDLK_F6, KEY_F6));
KeyMap.push_back(SKeyMap(SDLK_F7, KEY_F7));
KeyMap.push_back(SKeyMap(SDLK_F8, KEY_F8));
KeyMap.push_back(SKeyMap(SDLK_F9, KEY_F9));
KeyMap.push_back(SKeyMap(SDLK_F10, KEY_F10));
KeyMap.push_back(SKeyMap(SDLK_F11, KEY_F11));
KeyMap.push_back(SKeyMap(SDLK_F12, KEY_F12));
KeyMap.push_back(SKeyMap(SDLK_F13, KEY_F13));
KeyMap.push_back(SKeyMap(SDLK_F14, KEY_F14));
KeyMap.push_back(SKeyMap(SDLK_F15, KEY_F15));
// no higher F-keys
KeyMap.push_back(SKeyMap(SDLK_NUMLOCKCLEAR, KEY_NUMLOCK));
KeyMap.push_back(SKeyMap(SDLK_SCROLLLOCK, KEY_SCROLL));
KeyMap.push_back(SKeyMap(SDLK_LSHIFT, KEY_LSHIFT));
KeyMap.push_back(SKeyMap(SDLK_RSHIFT, KEY_RSHIFT));
KeyMap.push_back(SKeyMap(SDLK_LCTRL, KEY_LCONTROL));
KeyMap.push_back(SKeyMap(SDLK_RCTRL, KEY_RCONTROL));
KeyMap.push_back(SKeyMap(SDLK_LALT, KEY_LMENU));
KeyMap.push_back(SKeyMap(SDLK_RALT, KEY_RMENU));
KeyMap.push_back(SKeyMap(SDLK_PLUS, KEY_PLUS));
KeyMap.push_back(SKeyMap(SDLK_COMMA, KEY_COMMA));
KeyMap.push_back(SKeyMap(SDLK_MINUS, KEY_MINUS));
KeyMap.push_back(SKeyMap(SDLK_PERIOD, KEY_PERIOD));
// some special keys missing
KeyMap.sort();
}
} // end namespace irr
#endif // _IRR_COMPILE_WITH_SDL_DEVICE_
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