GCC Code Coverage Report
Directory: src/ Exec Total Coverage
File: src/utils/sdl2helper.cpp Lines: 38 119 31.9 %
Date: 2021-03-17 Branches: 20 72 27.8 %

Line Branch Exec Source
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/*
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 *  The ManaPlus Client
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 *  Copyright (C) 2013-2019  The ManaPlus Developers
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 *  Copyright (C) 2019-2021  Andrei Karas
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 *
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 *  This file is part of The ManaPlus Client.
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 *
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 *  This program is free software; you can redistribute it and/or modify
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 *  it under the terms of the GNU General Public License as published by
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 *  the Free Software Foundation; either version 2 of the License, or
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 *  any later version.
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 *
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 *  This program is distributed in the hope that it will be useful,
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 *  GNU General Public License for more details.
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 *
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 *  You should have received a copy of the GNU General Public License
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 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
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 */
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#ifdef USE_SDL2
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#include "utils/sdl2helper.h"
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#include "logger.h"
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#include "utils/foreach.h"
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#include "utils/sdl2logger.h"
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#include "utils/stringutils.h"
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#include <algorithm>
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PRAGMA48(GCC diagnostic push)
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PRAGMA48(GCC diagnostic ignored "-Wshadow")
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#include <SDL_events.h>
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#include <SDL_hints.h>
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#include <SDL_render.h>
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#include <SDL_syswm.h>
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PRAGMA48(GCC diagnostic pop)
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#include "debug.h"
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bool SDL::getAllVideoModes(StringVect &modeList)
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{
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    std::set<std::string> modes;
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    const int numDisplays = SDL_GetNumVideoDisplays();
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    for (int display = 0; display < numDisplays; display ++)
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    {
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        const int numModes = SDL_GetNumDisplayModes(display);
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2
        if (numModes > 0)
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        {
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            for (int f = 0; f < numModes; f ++)
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            {
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                SDL_DisplayMode mode;
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                SDL_GetDisplayMode(display, f, &mode);
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                const int w = mode.w;
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                const int h = mode.h;
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                logger->log("%dx%dx%d", w, h, mode.refresh_rate);
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                modes.insert(strprintf("%dx%d", w, h));
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            }
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        }
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    }
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    FOR_EACH (std::set<std::string>::const_iterator, it, modes)
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        modeList.push_back(*it);
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    return true;
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}
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void SDL::SetWindowTitle(SDL_Window *const window, const char *const title)
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{
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    SDL_SetWindowTitle(window, title);
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}
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void SDL::SetWindowIcon(SDL_Window *const window, SDL_Surface *const icon)
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{
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    SDL_SetWindowIcon(window, icon);
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}
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void SDL::grabInput(SDL_Window *const window, const bool grab)
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{
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    SDL_SetWindowGrab(window, grab ? SDL_TRUE : SDL_FALSE);
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}
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void SDL::setGamma(SDL_Window *const window, const float gamma)
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{
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    SDL_SetWindowBrightness(window, gamma);
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}
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void SDL::setVsync(const int val)
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{
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    SDL_GL_SetSwapInterval(val);
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}
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bool SDL::getWindowWMInfo(SDL_Window *const window, SDL_SysWMinfo *const info)
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{
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    return SDL_GetWindowWMInfo(window, info);
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}
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SDL_Thread *SDL::createThread(SDL_ThreadFunction fn,
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                              const char *restrict const name,
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                              void *restrict const data)
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{
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    return SDL_CreateThread(fn, name, data);
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}
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void *SDL::createGLContext(SDL_Window *const window,
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                           const int major,
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                           const int minor,
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                           const int profile)
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{
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    SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, major);
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    SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, minor);
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    SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, profile);
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//    SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, SDL_GL_CONTEXT_DEBUG_FLAG);
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    SDL_ClearError();
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    void *context = SDL_GL_CreateContext(window);
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    if (context == nullptr)
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    {
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        logger->log("Error to switch to context %d.%d: %s",
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            major,
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            minor,
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            SDL_GetError());
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    }
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    if (context == nullptr && (major > 3 || (major == 3 && minor > 3)))
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    {
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        logger->log("Try fallback to OpenGL 3.3 context");
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        SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
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        SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 3);
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        SDL_ClearError();
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        context = SDL_GL_CreateContext(window);
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        if (context == nullptr)
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        {
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            logger->log("Error to switch to context 3.3: %s",
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                SDL_GetError());
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        }
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        if (context == nullptr && profile == 0x01)
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        {
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            logger->log("Try fallback to OpenGL 3.3 compatibility context");
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            SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
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            SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 3);
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            SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, 0x02);
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            SDL_ClearError();
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            context = SDL_GL_CreateContext(window);
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            if (context == nullptr)
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            {
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                logger->log("Error to switch to compatibility context 3.3: %s",
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                    SDL_GetError());
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            }
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        }
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    }
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    if (context == nullptr && (major > 3 || (major == 3 && minor > 0)))
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    {
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        logger->log("Error to switch to core context %d.%d: %s",
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            major,
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            minor,
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            SDL_GetError());
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        logger->log("Try fallback to OpenGL 3.0 core context");
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        SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
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        SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 0);
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        SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, profile);
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        context = SDL_GL_CreateContext(window);
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        if (context == nullptr)
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        {
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            logger->log("Error to switch to core context 3.0: %s",
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                SDL_GetError());
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        }
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    }
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    if (context == nullptr && (major > 2 || (major == 2 && minor > 1)))
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    {
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        logger->log("Try fallback to OpenGL 2.1 compatibility context");
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        SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 2);
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        SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 1);
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        SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, 0x02);
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        context = SDL_GL_CreateContext(window);
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        if (context == nullptr)
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        {
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            logger->log("Error to switch to compatibility context 2.1: %s",
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                SDL_GetError());
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        }
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    }
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    if (context == nullptr)
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    {
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        logger->log("Cant find working context.");
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    }
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    return context;
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}
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void SDL::makeCurrentContext(void *const context A_UNUSED)
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{
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}
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void SDL::initLogger()
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{
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    SDL2Logger::init();
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}
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void SDL::setLogLevel(const int level)
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{
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    SDL2Logger::setLogLevel(level);
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}
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void SDL::WaitThread(SDL_Thread *const thread)
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{
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    if (thread != nullptr)
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        SDL_WaitThread(thread, nullptr);
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}
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bool SDL::PollEvent(SDL_Event *event)
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{
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    SDL_PumpEvents();
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    return SDL_PeepEvents(event,
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        1,
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        SDL_GETEVENT,
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        SDL_FIRSTEVENT,
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        SDL_LASTEVENT) > 0;
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}
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void SDL::allowScreenSaver(const bool allow)
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{
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    if (allow)
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    {
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#if SDL_VERSION_ATLEAST(2, 0, 2)
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        SDL_SetHintWithPriority(SDL_HINT_VIDEO_ALLOW_SCREENSAVER,
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            "1",
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            SDL_HINT_NORMAL);
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#endif  // SDL_VERSION_ATLEAST(2, 0, 2)
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        SDL_EnableScreenSaver();
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    }
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    else
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    {
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#if SDL_VERSION_ATLEAST(2, 0, 2)
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        SDL_SetHintWithPriority(SDL_HINT_VIDEO_ALLOW_SCREENSAVER,
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            "0",
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            SDL_HINT_NORMAL);
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#endif  // SDL_VERSION_ATLEAST(2, 0, 2)
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        SDL_DisableScreenSaver();
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    }
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}
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void SDL::getRenderers(StringVect &list,
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                       const std::string &currentRenderer)
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{
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    SDL_RendererInfo info;
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    const int num = SDL_GetNumRenderDrivers();
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    for (int f = 0; f < num; f ++)
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    {
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        if (!SDL_GetRenderDriverInfo(f, &info))
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            list.push_back(info.name);
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    }
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    if (!currentRenderer.empty())
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    {
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        bool found(false);
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        FOR_EACH (StringVectCIter, it, list)
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        {
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            if (*it == currentRenderer)
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            {
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                found = true;
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                break;
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            }
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        }
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        if (!found)
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            list.push_back(currentRenderer);
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    }
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    std::sort(list.begin(), list.end());
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}
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void SDL::setRendererHint(const std::string &driver)
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{
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    if (!driver.empty())
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    {
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        SDL_SetHintWithPriority(SDL_HINT_RENDER_DRIVER,
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            driver.c_str(),
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            SDL_HINT_NORMAL);
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    }
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}
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#endif  // USE_SDL2