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Diffstat (limited to 'libs/glfw-3.3.8/include/GLFW/glfw3native.h')
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1 files changed, 628 insertions, 0 deletions
diff --git a/libs/glfw-3.3.8/include/GLFW/glfw3native.h b/libs/glfw-3.3.8/include/GLFW/glfw3native.h new file mode 100644 index 0000000..7be0227 --- /dev/null +++ b/libs/glfw-3.3.8/include/GLFW/glfw3native.h @@ -0,0 +1,628 @@ +/************************************************************************* + * GLFW 3.3 - www.glfw.org + * A library for OpenGL, window and input + *------------------------------------------------------------------------ + * Copyright (c) 2002-2006 Marcus Geelnard + * Copyright (c) 2006-2018 Camilla Löwy <elmindreda@glfw.org> + * + * 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> + #elif 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 + #elif defined(GLFW_EXPOSE_NATIVE_X11) || defined(GLFW_EXPOSE_NATIVE_GLX) + #include <X11/Xlib.h> + #include <X11/extensions/Xrandr.h> + #elif 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. + * + * @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. + * + * @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. + * + * @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_NO_WINDOW_CONTEXT and @ref + * GLFW_NOT_INITIALIZED. + * + * @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. + * + * @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. + * + * @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); +#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_NO_WINDOW_CONTEXT and @ref + * GLFW_NOT_INITIALIZED. + * + * @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. + * + * @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. + * + * @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. + * + * @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. + * + * @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 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 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_NO_WINDOW_CONTEXT and @ref + * GLFW_NOT_INITIALIZED. + * + * @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_NO_WINDOW_CONTEXT and @ref + * GLFW_NOT_INITIALIZED. + * + * @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. + * + * @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. + * + * @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. + * + * @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_NO_WINDOW_CONTEXT and @ref + * GLFW_NOT_INITIALIZED. + * + * @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_NO_WINDOW_CONTEXT and @ref + * GLFW_NOT_INITIALIZED. + * + * @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_NO_WINDOW_CONTEXT and @ref + * GLFW_NOT_INITIALIZED. + * + * @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_NO_WINDOW_CONTEXT and @ref + * GLFW_NOT_INITIALIZED. + * + * @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_NO_WINDOW_CONTEXT and @ref + * GLFW_NOT_INITIALIZED. + * + * @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_ */ + |