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backends/platform/sdl/sdl.h
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211
backends/platform/sdl/sdl.h
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/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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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 3 of the License, or
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* (at your option) 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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*/
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#ifndef PLATFORM_SDL_H
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#define PLATFORM_SDL_H
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#include "backends/platform/sdl/sdl-sys.h"
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#include "backends/modular-backend.h"
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#include "backends/mixer/sdl/sdl-mixer.h"
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#include "backends/events/sdl/sdl-events.h"
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#include "backends/log/log.h"
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#include "backends/platform/sdl/sdl-window.h"
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#include "common/array.h"
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#ifdef USE_OPENGL
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#define USE_MULTIPLE_RENDERERS
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#endif
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#ifdef USE_DISCORD
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class DiscordPresence;
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#endif
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/**
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* Base OSystem class for all SDL ports.
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*/
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class OSystem_SDL : public ModularMixerBackend, public ModularGraphicsBackend {
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public:
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OSystem_SDL();
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virtual ~OSystem_SDL();
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/**
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* Pre-initialize backend. It should be called after
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* instantiating the backend. Early needed managers are
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* created here.
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*/
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void init() override;
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bool hasFeature(Feature f) override;
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void setFeatureState(Feature f, bool enable) override;
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bool getFeatureState(Feature f) override;
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// Override functions from ModularBackend and OSystem
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void initBackend() override;
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void engineInit() override;
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void engineDone() override;
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void quit() override;
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void fatalError() override;
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Common::KeymapArray getGlobalKeymaps() override;
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Common::HardwareInputSet *getHardwareInputSet() override;
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// Logging
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void logMessage(LogMessageType::Type type, const char *message) override;
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Common::String getSystemLanguage() const override;
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#if SDL_VERSION_ATLEAST(2, 0, 0)
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// Clipboard
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bool hasTextInClipboard() override;
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Common::U32String getTextFromClipboard() override;
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bool setTextInClipboard(const Common::U32String &text) override;
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void messageBox(LogMessageType::Type type, const char *message) override;
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#endif
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#if SDL_VERSION_ATLEAST(2, 0, 14)
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bool openUrl(const Common::String &url) override;
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#endif
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void setWindowCaption(const Common::U32String &caption) override;
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void addSysArchivesToSearchSet(Common::SearchSet &s, int priority = 0) override;
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Common::MutexInternal *createMutex() override;
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uint32 getMillis(bool skipRecord = false) override;
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void delayMillis(uint msecs) override;
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void getTimeAndDate(TimeDate &td, bool skipRecord = false) const override;
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MixerManager *getMixerManager() override;
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Common::TimerManager *getTimerManager() override;
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Common::SaveFileManager *getSavefileManager() override;
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uint32 getDoubleClickTime() const override;
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// Default paths
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virtual Common::Path getDefaultIconsPath();
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virtual Common::Path getDefaultDLCsPath();
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virtual Common::Path getScreenshotsPath();
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#if defined(USE_OPENGL_GAME) || defined(USE_OPENGL_SHADERS)
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Common::Array<uint> getSupportedAntiAliasingLevels() const override;
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OpenGL::ContextType getOpenGLType() const override { return _oglType; }
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#endif
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#if defined(USE_OPENGL) && defined(USE_GLAD)
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void *getOpenGLProcAddress(const char *name) const override;
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#endif
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protected:
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bool _inited;
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bool _initedSDL;
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#ifdef USE_SDL_NET
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bool _initedSDLnet;
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#endif
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#ifdef USE_DISCORD
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DiscordPresence *_presence;
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#endif
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/**
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* The path of the currently open log file, if any.
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*
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* @note This is currently a Path and not an FSNode for simplicity;
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* e.g. we don't need to include fs.h here, and currently the
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* only use of this value is to use it to open the log file in an
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* editor; for that, we need it only as a path anyway.
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*/
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Common::Path _logFilePath;
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/**
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* The event source we use for obtaining SDL events.
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*/
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SdlEventSource *_eventSource;
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Common::EventSource *_eventSourceWrapper;
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/**
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* The SDL output window.
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*/
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SdlWindow *_window;
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SdlGraphicsManager::State _gfxManagerState;
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#if defined(USE_OPENGL_GAME) || defined(USE_OPENGL_SHADERS)
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// Graphics capabilities
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void detectOpenGLFeaturesSupport();
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void detectAntiAliasingSupport();
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OpenGL::ContextType _oglType;
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bool _supportsShaders;
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Common::Array<uint> _antiAliasLevels;
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#endif
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/**
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* Initialize the SDL library.
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*/
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virtual void initSDL();
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/**
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* Create the audio CD manager
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*/
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virtual AudioCDManager *createAudioCDManager();
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// Logging
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virtual Common::WriteStream *createLogFile();
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Backends::Log::Log *_logger;
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#ifdef USE_MULTIPLE_RENDERERS
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enum GraphicsManagerType {
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GraphicsManagerSurfaceSDL,
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#ifdef USE_OPENGL
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GraphicsManagerOpenGL,
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#endif
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GraphicsManagerCount
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};
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typedef Common::Array<GraphicsMode> GraphicsModeArray;
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GraphicsModeArray _graphicsModes;
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Common::Array<int> _graphicsModeIds;
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int _graphicsMode;
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int _firstMode[GraphicsManagerCount];
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int _lastMode[GraphicsManagerCount];
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int _defaultMode[GraphicsManagerCount];
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int _supports3D[GraphicsManagerCount];
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/**
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* Create the merged graphics modes list.
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*/
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void setupGraphicsModes();
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/**
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* Clear the merged graphics modes list.
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*/
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void clearGraphicsModes();
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virtual GraphicsManagerType getDefaultGraphicsManager() const;
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SdlGraphicsManager *createGraphicsManager(SdlEventSource *sdlEventSource, SdlWindow *window, GraphicsManagerType type);
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const OSystem::GraphicsMode *getSupportedGraphicsModes() const override;
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int getDefaultGraphicsMode() const override;
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bool setGraphicsMode(int mode, uint flags) override;
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int getGraphicsMode() const override;
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#endif
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virtual uint32 getOSDoubleClickTime() const { return 0; }
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virtual const char * const *buildHelpDialogData() override;
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};
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#endif
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