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Diffstat (limited to 'src/SFML/Window/EglContext.hpp')
| -rw-r--r-- | src/SFML/Window/EglContext.hpp | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/src/SFML/Window/EglContext.hpp b/src/SFML/Window/EglContext.hpp new file mode 100644 index 0000000..50b366e --- /dev/null +++ b/src/SFML/Window/EglContext.hpp @@ -0,0 +1,183 @@ +//////////////////////////////////////////////////////////// +// +// SFML - Simple and Fast Multimedia Library +// Copyright (C) 2013 Jonathan De Wachter (dewachter.jonathan@gmail.com) +// +// This software is provided 'as-is', without any express or implied warranty. +// In no event will the authors be held liable for any damages arising from the use of this software. +// +// Permission is granted to anyone to use this software for any purpose, +// including commercial applications, and to alter it and redistribute it freely, +// subject to the following restrictions: +// +// 1. The origin of this software must not be misrepresented; +// you must not claim that you wrote the original software. +// If you use this software in a product, an acknowledgment +// in the product documentation would be appreciated but is not required. +// +// 2. Altered source versions must be plainly marked as such, +// and must not be misrepresented as being the original software. +// +// 3. This notice may not be removed or altered from any source distribution. +// +//////////////////////////////////////////////////////////// + +#ifndef SFML_EGLCONTEXT_HPP +#define SFML_EGLCONTEXT_HPP + +//////////////////////////////////////////////////////////// +// Headers +//////////////////////////////////////////////////////////// +#include <SFML/Window/VideoMode.hpp> +#include <SFML/Window/ContextSettings.hpp> +#include <SFML/Window/EGLCheck.hpp> +#include <SFML/Window/GlContext.hpp> +#include <SFML/OpenGL.hpp> + + +namespace sf +{ +namespace priv +{ +class EglContext : public GlContext +{ +public: + + //////////////////////////////////////////////////////////// + /// \brief Create a new context, not associated to a window + /// + /// \param shared Context to share the new one with (can be NULL) + /// + //////////////////////////////////////////////////////////// + EglContext(EglContext* shared); + + //////////////////////////////////////////////////////////// + /// \brief Create a new context attached to a window + /// + /// \param shared Context to share the new one with + /// \param settings Creation parameters + /// \param owner Pointer to the owner window + /// \param bitsPerPixel Pixel depth, in bits per pixel + /// + //////////////////////////////////////////////////////////// + EglContext(EglContext* shared, const ContextSettings& settings, const WindowImpl* owner, unsigned int bitsPerPixel); + + //////////////////////////////////////////////////////////// + /// \brief Create a new context that embeds its own rendering target + /// + /// \param shared Context to share the new one with + /// \param settings Creation parameters + /// \param width Back buffer width, in pixels + /// \param height Back buffer height, in pixels + /// + //////////////////////////////////////////////////////////// + EglContext(EglContext* shared, const ContextSettings& settings, unsigned int width, unsigned int height); + + //////////////////////////////////////////////////////////// + /// \brief Destructor + /// + //////////////////////////////////////////////////////////// + ~EglContext(); + + //////////////////////////////////////////////////////////// + /// \brief Activate the context as the current target + /// for rendering + /// + /// \return True on success, false if any error happened + /// + //////////////////////////////////////////////////////////// + virtual bool makeCurrent(); + + //////////////////////////////////////////////////////////// + /// \brief Display what has been rendered to the context so far + /// + //////////////////////////////////////////////////////////// + virtual void display(); + + //////////////////////////////////////////////////////////// + /// \brief Enable or disable vertical synchronization + /// + /// Activating vertical synchronization will limit the number + /// of frames displayed to the refresh rate of the monitor. + /// This can avoid some visual artifacts, and limit the framerate + /// to a good value (but not constant across different computers). + /// + /// \param enabled: True to enable v-sync, false to deactivate + /// + //////////////////////////////////////////////////////////// + virtual void setVerticalSyncEnabled(bool enabled); + + //////////////////////////////////////////////////////////// + /// \brief Create the context + /// + /// \param shared Context to share the new one with (can be NULL) + /// \param bitsPerPixel Pixel depth, in bits per pixel + /// \param settings Creation parameters + /// + //////////////////////////////////////////////////////////// + void createContext(EglContext* shared); + + //////////////////////////////////////////////////////////// + /// \brief Create the EGL surface + /// + /// This function must be called when the activity (re)start, or + /// when the orientation change. + /// + /// \param window: The native window type + /// + //////////////////////////////////////////////////////////// + void createSurface(EGLNativeWindowType window); + + //////////////////////////////////////////////////////////// + /// \brief Destroy the EGL surface + /// + /// This function must be called when the activity is stopped, or + /// when the orientation change. + /// + //////////////////////////////////////////////////////////// + void destroySurface(); + + //////////////////////////////////////////////////////////// + /// \brief Get the best EGL visual for a given set of video settings + /// + /// \param display EGL display + /// \param bitsPerPixel Pixel depth, in bits per pixel + /// \param settings Requested context settings + /// + /// \return The best EGL config + /// + //////////////////////////////////////////////////////////// + static EGLConfig getBestConfig(EGLDisplay display, unsigned int bitsPerPixel, const ContextSettings& settings); + +#ifdef SFML_SYSTEM_LINUX + //////////////////////////////////////////////////////////// + /// \brief Select the best EGL visual for a given set of settings + /// + /// \param display X display + /// \param bitsPerPixel Pixel depth, in bits per pixel + /// \param settings Requested context settings + /// + /// \return The best visual + /// + //////////////////////////////////////////////////////////// + static XVisualInfo selectBestVisual(::Display* display, unsigned int bitsPerPixel, const ContextSettings& settings); +#endif + +private: + + //////////////////////////////////////////////////////////// + // Member data + //////////////////////////////////////////////////////////// + EGLDisplay m_display; ///< The internal EGL display + EGLContext m_context; ///< The internal EGL context + EGLSurface m_surface; ///< The internal EGL surface + EGLConfig m_config; ///< The internal EGL config + +}; + +} // namespace priv + +} // namespace sf + + +#endif // SFML_EGLCONTEXT_HPP |