/************************************************************************* * GLFW 3.5 - www.glfw.org * A library for OpenGL, window and input *------------------------------------------------------------------------ * Copyright (c) 2002-2006 Marcus Geelnard * Copyright (c) 2006-2018 Camilla Löwy <[email protected]> * * 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 _glfw3_native_h_ #define _glfw3_native_h_ #ifdef __cplusplus extern "C" { #endif /************************************************************************* * Doxygen documentation *************************************************************************/ /*! @file glfw3native.h * @brief The header of the native access functions. * * This is the header file of the native access functions. See @ref native for * more information. */ /*! @defgroup native Native access * @brief Functions related to accessing native handles. * * **By using the native access functions you assert that you know what you're * doing and how to fix problems caused by using them. If you don't, you * shouldn't be using them.** * * Before the inclusion of @ref glfw3native.h, you may define zero or more * window system API macro and zero or more context creation API macros. * * The chosen backends must match those the library was compiled for. Failure * to do this will cause a link-time error. * * The available window API macros are: * * `GLFW_EXPOSE_NATIVE_WIN32` * * `GLFW_EXPOSE_NATIVE_COCOA` * * `GLFW_EXPOSE_NATIVE_X11` * * `GLFW_EXPOSE_NATIVE_WAYLAND` * * The available context API macros are: * * `GLFW_EXPOSE_NATIVE_WGL` * * `GLFW_EXPOSE_NATIVE_NSGL` * * `GLFW_EXPOSE_NATIVE_GLX` * * `GLFW_EXPOSE_NATIVE_EGL` * * `GLFW_EXPOSE_NATIVE_OSMESA` * * These macros select which of the native access functions that are declared * and which platform-specific headers to include. It is then up your (by * definition platform-specific) code to handle which of these should be * defined. * * If you do not want the platform-specific headers to be included, define * `GLFW_NATIVE_INCLUDE_NONE` before including the @ref glfw3native.h header. * * @code * #define GLFW_EXPOSE_NATIVE_WIN32 * #define GLFW_EXPOSE_NATIVE_WGL * #define GLFW_NATIVE_INCLUDE_NONE * #include <GLFW/glfw3native.h> * @endcode */ /************************************************************************* * System headers and types *************************************************************************/ #if !defined(GLFW_NATIVE_INCLUDE_NONE) #if defined(GLFW_EXPOSE_NATIVE_WIN32) || defined(GLFW_EXPOSE_NATIVE_WGL) /* This is a workaround for the fact that glfw3.h needs to export APIENTRY (for * example to allow applications to correctly declare a GL_KHR_debug callback) * but windows.h assumes no one will define APIENTRY before it does */ #if defined(GLFW_APIENTRY_DEFINED) #undef APIENTRY #undef GLFW_APIENTRY_DEFINED #endif #include <windows.h> #endif #if defined(GLFW_EXPOSE_NATIVE_COCOA) || defined(GLFW_EXPOSE_NATIVE_NSGL) #if defined(__OBJC__) #import <Cocoa/Cocoa.h> #else #include <ApplicationServices/ApplicationServices.h> #include <objc/objc.h> #endif #endif #if defined(GLFW_EXPOSE_NATIVE_X11) || defined(GLFW_EXPOSE_NATIVE_GLX) #include <X11/Xlib.h> #include <X11/extensions/Xrandr.h> #endif #if defined(GLFW_EXPOSE_NATIVE_WAYLAND) #include <wayland-client.h> #endif #if defined(GLFW_EXPOSE_NATIVE_WGL) /* WGL is declared by windows.h */ #endif #if defined(GLFW_EXPOSE_NATIVE_NSGL) /* NSGL is declared by Cocoa.h */ #endif #if defined(GLFW_EXPOSE_NATIVE_GLX) /* This is a workaround for the fact that glfw3.h defines GLAPIENTRY because by * default it also acts as an OpenGL header * However, glx.h will include gl.h, which will define it unconditionally */ #if defined(GLFW_GLAPIENTRY_DEFINED) #undef GLAPIENTRY #undef GLFW_GLAPIENTRY_DEFINED #endif #include <GL/glx.h> #endif #if defined(GLFW_EXPOSE_NATIVE_EGL) #include <EGL/egl.h> #endif #if defined(GLFW_EXPOSE_NATIVE_OSMESA) /* This is a workaround for the fact that glfw3.h defines GLAPIENTRY because by * default it also acts as an OpenGL header * However, osmesa.h will include gl.h, which will define it unconditionally */ #if defined(GLFW_GLAPIENTRY_DEFINED) #undef GLAPIENTRY #undef GLFW_GLAPIENTRY_DEFINED #endif #include <GL/osmesa.h> #endif #endif /*GLFW_NATIVE_INCLUDE_NONE*/ /************************************************************************* * Functions *************************************************************************/ #if defined(GLFW_EXPOSE_NATIVE_WIN32) /*! @brief Returns the adapter device name of the specified monitor. * * @return The UTF-8 encoded adapter device name (for example `\\.\DISPLAY1`) * of the specified monitor, or `NULL` if an [error](@ref error_handling) * occurred. * * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref * GLFW_PLATFORM_UNAVAILABLE. * * @thread_safety This function may be called from any thread. Access is not * synchronized. * * @since Added in version 3.1. * * @ingroup native */ GLFWAPI const char* glfwGetWin32Adapter(GLFWmonitor* monitor); /*! @brief Returns the display device name of the specified monitor. * * @return The UTF-8 encoded display device name (for example * `\\.\DISPLAY1\Monitor0`) of the specified monitor, or `NULL` if an * [error](@ref error_handling) occurred. * * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref * GLFW_PLATFORM_UNAVAILABLE. * * @thread_safety This function may be called from any thread. Access is not * synchronized. * * @since Added in version 3.1. * * @ingroup native */ GLFWAPI const char* glfwGetWin32Monitor(GLFWmonitor* monitor); /*! @brief Returns the `HWND` of the specified window. * * @return The `HWND` of the specified window, or `NULL` if an * [error](@ref error_handling) occurred. * * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref * GLFW_PLATFORM_UNAVAILABLE. * * @remark The `HDC` associated with the window can be queried with the * [GetDC](https://docs.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-getdc) * function. * @code * HDC dc = GetDC(glfwGetWin32Window(window)); * @endcode * This DC is private and does not need to be released. * * @thread_safety This function may be called from any thread. Access is not * synchronized. * * @since Added in version 3.0. * * @ingroup native */ GLFWAPI HWND glfwGetWin32Window(GLFWwindow* window); #endif #if defined(GLFW_EXPOSE_NATIVE_WGL) /*! @brief Returns the `HGLRC` of the specified window. * * @return The `HGLRC` of the specified window, or `NULL` if an * [error](@ref error_handling) occurred. * * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref * GLFW_PLATFORM_UNAVAILABLE and @ref GLFW_NO_WINDOW_CONTEXT. * * @remark The `HDC` associated with the window can be queried with the * [GetDC](https://docs.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-getdc) * function. * @code * HDC dc = GetDC(glfwGetWin32Window(window)); * @endcode * This DC is private and does not need to be released. * * @thread_safety This function may be called from any thread. Access is not * synchronized. * * @since Added in version 3.0. * * @ingroup native */ GLFWAPI HGLRC glfwGetWGLContext(GLFWwindow* window); #endif #if defined(GLFW_EXPOSE_NATIVE_COCOA) /*! @brief Returns the `CGDirectDisplayID` of the specified monitor. * * @return The `CGDirectDisplayID` of the specified monitor, or * `kCGNullDirectDisplay` if an [error](@ref error_handling) occurred. * * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref * GLFW_PLATFORM_UNAVAILABLE. * * @thread_safety This function may be called from any thread. Access is not * synchronized. * * @since Added in version 3.1. * * @ingroup native */ GLFWAPI CGDirectDisplayID glfwGetCocoaMonitor(GLFWmonitor* monitor); /*! @brief Returns the `NSWindow` of the specified window. * * @return The `NSWindow` of the specified window, or `nil` if an * [error](@ref error_handling) occurred. * * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref * GLFW_PLATFORM_UNAVAILABLE. * * @thread_safety This function may be called from any thread. Access is not * synchronized. * * @since Added in version 3.0. * * @ingroup native */ GLFWAPI id glfwGetCocoaWindow(GLFWwindow* window); /*! @brief Returns the `NSView` of the specified window. * * @return The `NSView` of the specified window, or `nil` if an * [error](@ref error_handling) occurred. * * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref * GLFW_PLATFORM_UNAVAILABLE. * * @thread_safety This function may be called from any thread. Access is not * synchronized. * * @since Added in version 3.4. * * @ingroup native */ GLFWAPI id glfwGetCocoaView(GLFWwindow* window); #endif #if defined(GLFW_EXPOSE_NATIVE_NSGL) /*! @brief Returns the `NSOpenGLContext` of the specified window. * * @return The `NSOpenGLContext` of the specified window, or `nil` if an * [error](@ref error_handling) occurred. * * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref * GLFW_PLATFORM_UNAVAILABLE and @ref GLFW_NO_WINDOW_CONTEXT. * * @thread_safety This function may be called from any thread. Access is not * synchronized. * * @since Added in version 3.0. * * @ingroup native */ GLFWAPI id glfwGetNSGLContext(GLFWwindow* window); #endif #if defined(GLFW_EXPOSE_NATIVE_X11) /*! @brief Returns the `Display` used by GLFW. * * @return The `Display` used by GLFW, or `NULL` if an * [error](@ref error_handling) occurred. * * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref * GLFW_PLATFORM_UNAVAILABLE. * * @thread_safety This function may be called from any thread. Access is not * synchronized. * * @since Added in version 3.0. * * @ingroup native */ GLFWAPI Display* glfwGetX11Display(void); /*! @brief Returns the `RRCrtc` of the specified monitor. * * @return The `RRCrtc` of the specified monitor, or `None` if an * [error](@ref error_handling) occurred. * * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref * GLFW_PLATFORM_UNAVAILABLE. * * @thread_safety This function may be called from any thread. Access is not * synchronized. * * @since Added in version 3.1. * * @ingroup native */ GLFWAPI RRCrtc glfwGetX11Adapter(GLFWmonitor* monitor); /*! @brief Returns the `RROutput` of the specified monitor. * * @return The `RROutput` of the specified monitor, or `None` if an * [error](@ref error_handling) occurred. * * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref * GLFW_PLATFORM_UNAVAILABLE. * * @thread_safety This function may be called from any thread. Access is not * synchronized. * * @since Added in version 3.1. * * @ingroup native */ GLFWAPI RROutput glfwGetX11Monitor(GLFWmonitor* monitor); /*! @brief Returns the `Window` of the specified window. * * @return The `Window` of the specified window, or `None` if an * [error](@ref error_handling) occurred. * * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref * GLFW_PLATFORM_UNAVAILABLE. * * @thread_safety This function may be called from any thread. Access is not * synchronized. * * @since Added in version 3.0. * * @ingroup native */ GLFWAPI Window glfwGetX11Window(GLFWwindow* window); /*! @brief Sets the current primary selection to the specified string. * * @param[in] string A UTF-8 encoded string. * * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref * GLFW_PLATFORM_UNAVAILABLE and @ref GLFW_PLATFORM_ERROR. * * @pointer_lifetime The specified string is copied before this function * returns. * * @thread_safety This function must only be called from the main thread. * * @sa @ref clipboard * @sa glfwGetX11SelectionString * @sa glfwSetClipboardString * * @since Added in version 3.3. * * @ingroup native */ GLFWAPI void glfwSetX11SelectionString(const char* string); /*! @brief Returns the contents of the current primary selection as a string. * * If the selection is empty or if its contents cannot be converted, `NULL` * is returned and a @ref GLFW_FORMAT_UNAVAILABLE error is generated. * * @return The contents of the selection as a UTF-8 encoded string, or `NULL` * if an [error](@ref error_handling) occurred. * * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref * GLFW_PLATFORM_UNAVAILABLE and @ref GLFW_PLATFORM_ERROR. * * @pointer_lifetime The returned string is allocated and freed by GLFW. You * should not free it yourself. It is valid until the next call to @ref * glfwGetX11SelectionString or @ref glfwSetX11SelectionString, or until the * library is terminated. * * @thread_safety This function must only be called from the main thread. * * @sa @ref clipboard * @sa glfwSetX11SelectionString * @sa glfwGetClipboardString * * @since Added in version 3.3. * * @ingroup native */ GLFWAPI const char* glfwGetX11SelectionString(void); #endif #if defined(GLFW_EXPOSE_NATIVE_GLX) /*! @brief Returns the `GLXContext` of the specified window. * * @return The `GLXContext` of the specified window, or `NULL` if an * [error](@ref error_handling) occurred. * * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref * GLFW_NO_WINDOW_CONTEXT and @ref GLFW_PLATFORM_UNAVAILABLE. * * @thread_safety This function may be called from any thread. Access is not * synchronized. * * @since Added in version 3.0. * * @ingroup native */ GLFWAPI GLXContext glfwGetGLXContext(GLFWwindow* window); /*! @brief Returns the `GLXWindow` of the specified window. * * @return The `GLXWindow` of the specified window, or `None` if an * [error](@ref error_handling) occurred. * * @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref * GLFW_NO_WINDOW_CONTEXT and @ref GLFW_PLATFORM_UNAVAILABLE. * * @thread_safety This function may be called from any thread. Access is not * synchronized. * * @since Added in version 3.2. * * @ingroup native */ GLFWAPI GLXWindow glfwGetGLXWindow(GLFWwindow* window); #endif #if defined(GLFW_EXPOSE_NATIVE_WAYLAND) /*! @brief Returns the `struct wl_display*` used by GLFW. * * @return The `struct wl_display*` used by GLFW, or `NULL` if an * [error](@ref error_handling) occurred. * * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref * GLFW_PLATFORM_UNAVAILABLE. * * @thread_safety This function may be called from any thread. Access is not * synchronized. * * @since Added in version 3.2. * * @ingroup native */ GLFWAPI struct wl_display* glfwGetWaylandDisplay(void); /*! @brief Returns the `struct wl_output*` of the specified monitor. * * @return The `struct wl_output*` of the specified monitor, or `NULL` if an * [error](@ref error_handling) occurred. * * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref * GLFW_PLATFORM_UNAVAILABLE. * * @thread_safety This function may be called from any thread. Access is not * synchronized. * * @since Added in version 3.2. * * @ingroup native */ GLFWAPI struct wl_output* glfwGetWaylandMonitor(GLFWmonitor* monitor); /*! @brief Returns the main `struct wl_surface*` of the specified window. * * @return The main `struct wl_surface*` of the specified window, or `NULL` if * an [error](@ref error_handling) occurred. * * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref * GLFW_PLATFORM_UNAVAILABLE. * * @thread_safety This function may be called from any thread. Access is not * synchronized. * * @since Added in version 3.2. * * @ingroup native */ GLFWAPI struct wl_surface* glfwGetWaylandWindow(GLFWwindow* window); #endif #if defined(GLFW_EXPOSE_NATIVE_EGL) /*! @brief Returns the `EGLDisplay` used by GLFW. * * @return The `EGLDisplay` used by GLFW, or `EGL_NO_DISPLAY` if an * [error](@ref error_handling) occurred. * * @errors Possible errors include @ref GLFW_NOT_INITIALIZED. * * @remark Because EGL is initialized on demand, this function will return * `EGL_NO_DISPLAY` until the first context has been created via EGL. * * @thread_safety This function may be called from any thread. Access is not * synchronized. * * @since Added in version 3.0. * * @ingroup native */ GLFWAPI EGLDisplay glfwGetEGLDisplay(void); /*! @brief Returns the `EGLContext` of the specified window. * * @return The `EGLContext` of the specified window, or `EGL_NO_CONTEXT` if an * [error](@ref error_handling) occurred. * * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref * GLFW_NO_WINDOW_CONTEXT. * * @thread_safety This function may be called from any thread. Access is not * synchronized. * * @since Added in version 3.0. * * @ingroup native */ GLFWAPI EGLContext glfwGetEGLContext(GLFWwindow* window); /*! @brief Returns the `EGLSurface` of the specified window. * * @return The `EGLSurface` of the specified window, or `EGL_NO_SURFACE` if an * [error](@ref error_handling) occurred. * * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref * GLFW_NO_WINDOW_CONTEXT. * * @thread_safety This function may be called from any thread. Access is not * synchronized. * * @since Added in version 3.0. * * @ingroup native */ GLFWAPI EGLSurface glfwGetEGLSurface(GLFWwindow* window); #endif #if defined(GLFW_EXPOSE_NATIVE_OSMESA) /*! @brief Retrieves the color buffer associated with the specified window. * * @param[in] window The window whose color buffer to retrieve. * @param[out] width Where to store the width of the color buffer, or `NULL`. * @param[out] height Where to store the height of the color buffer, or `NULL`. * @param[out] format Where to store the OSMesa pixel format of the color * buffer, or `NULL`. * @param[out] buffer Where to store the address of the color buffer, or * `NULL`. * @return `GLFW_TRUE` if successful, or `GLFW_FALSE` if an * [error](@ref error_handling) occurred. * * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref * GLFW_NO_WINDOW_CONTEXT. * * @thread_safety This function may be called from any thread. Access is not * synchronized. * * @since Added in version 3.3. * * @ingroup native */ GLFWAPI int glfwGetOSMesaColorBuffer(GLFWwindow* window, int* width, int* height, int* format, void** buffer); /*! @brief Retrieves the depth buffer associated with the specified window. * * @param[in] window The window whose depth buffer to retrieve. * @param[out] width Where to store the width of the depth buffer, or `NULL`. * @param[out] height Where to store the height of the depth buffer, or `NULL`. * @param[out] bytesPerValue Where to store the number of bytes per depth * buffer element, or `NULL`. * @param[out] buffer Where to store the address of the depth buffer, or * `NULL`. * @return `GLFW_TRUE` if successful, or `GLFW_FALSE` if an * [error](@ref error_handling) occurred. * * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref * GLFW_NO_WINDOW_CONTEXT. * * @thread_safety This function may be called from any thread. Access is not * synchronized. * * @since Added in version 3.3. * * @ingroup native */ GLFWAPI int glfwGetOSMesaDepthBuffer(GLFWwindow* window, int* width, int* height, int* bytesPerValue, void** buffer); /*! @brief Returns the `OSMesaContext` of the specified window. * * @return The `OSMesaContext` of the specified window, or `NULL` if an * [error](@ref error_handling) occurred. * * @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref * GLFW_NO_WINDOW_CONTEXT. * * @thread_safety This function may be called from any thread. Access is not * synchronized. * * @since Added in version 3.3. * * @ingroup native */ GLFWAPI OSMesaContext glfwGetOSMesaContext(GLFWwindow* window); #endif #ifdef __cplusplus } #endif #endif /* _glfw3_native_h_ */
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