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285 lines
8.9 KiB
285 lines
8.9 KiB
//======================================================================== |
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// GLFW - An OpenGL library |
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// Platform: X11/EGL |
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// API version: 3.0 |
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// WWW: http://www.glfw.org/ |
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//------------------------------------------------------------------------ |
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// Copyright (c) 2002-2006 Marcus Geelnard |
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// Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org> |
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// |
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// This software is provided 'as-is', without any express or implied |
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// warranty. In no event will the authors be held liable for any damages |
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// arising from the use of this software. |
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// |
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// Permission is granted to anyone to use this software for any purpose, |
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// including commercial applications, and to alter it and redistribute it |
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// freely, subject to the following restrictions: |
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// |
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// 1. The origin of this software must not be misrepresented; you must not |
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// claim that you wrote the original software. If you use this software |
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// in a product, an acknowledgment in the product documentation would |
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// be appreciated but is not required. |
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// |
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// 2. Altered source versions must be plainly marked as such, and must not |
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// be misrepresented as being the original software. |
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// |
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// 3. This notice may not be removed or altered from any source |
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// distribution. |
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// |
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//======================================================================== |
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#ifndef _platform_h_ |
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#define _platform_h_ |
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#include <unistd.h> |
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#include <signal.h> |
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#include <stdint.h> |
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#include <X11/Xlib.h> |
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#include <X11/keysym.h> |
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#include <X11/Xatom.h> |
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#include <X11/Xutil.h> |
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// Include EGL |
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#include <EGL/egl.h> |
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// With XFree86, we can use the XF86VidMode extension |
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#if defined(_GLFW_HAS_XF86VIDMODE) |
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#include <X11/extensions/xf86vmode.h> |
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#endif |
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#if defined(_GLFW_HAS_XRANDR) |
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#include <X11/extensions/Xrandr.h> |
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#endif |
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// Do we have support for dlopen/dlsym? |
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#if defined(_GLFW_HAS_DLOPEN) |
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#include <dlfcn.h> |
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#endif |
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// The Xkb extension provides improved keyboard support |
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#if defined(_GLFW_HAS_XKB) |
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#include <X11/XKBlib.h> |
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#endif |
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// We support two different ways for getting addresses for EGL |
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// extension functions: eglGetProcAddress and dlsym |
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#if defined(_GLFW_HAS_EGLGETPROCADDRESS) |
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#define _glfw_eglGetProcAddress(x) eglGetProcAddress(x) |
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#elif defined(_GLFW_HAS_DLOPEN) |
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#define _glfw_eglGetProcAddress(x) dlsym(_glfwLibrary.EGL.libEGL, x) |
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#define _GLFW_DLOPEN_LIBEGL |
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#else |
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#error "No OpenGL entry point retrieval mechanism was enabled" |
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#endif |
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#define _GLFW_PLATFORM_WINDOW_STATE _GLFWwindowX11 X11 |
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#define _GLFW_PLATFORM_CONTEXT_STATE _GLFWcontextEGL EGL |
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#define _GLFW_PLATFORM_LIBRARY_WINDOW_STATE _GLFWlibraryX11 X11 |
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#define _GLFW_PLATFORM_LIBRARY_OPENGL_STATE _GLFWlibraryEGL EGL |
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// Clipboard format atom indices |
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#define _GLFW_CLIPBOARD_FORMAT_UTF8 0 |
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#define _GLFW_CLIPBOARD_FORMAT_COMPOUND 1 |
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#define _GLFW_CLIPBOARD_FORMAT_STRING 2 |
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#define _GLFW_CLIPBOARD_FORMAT_COUNT 3 |
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// Clipboard conversion status tokens |
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#define _GLFW_CONVERSION_INACTIVE 0 |
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#define _GLFW_CONVERSION_SUCCEEDED 1 |
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#define _GLFW_CONVERSION_FAILED 2 |
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//======================================================================== |
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// GLFW platform specific types |
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//======================================================================== |
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//------------------------------------------------------------------------ |
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// Pointer length integer |
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//------------------------------------------------------------------------ |
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typedef intptr_t GLFWintptr; |
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//------------------------------------------------------------------------ |
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// Platform-specific OpenGL context structure |
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//------------------------------------------------------------------------ |
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typedef struct _GLFWcontextEGL |
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{ |
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EGLConfig config; |
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EGLContext context; |
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EGLSurface surface; |
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XVisualInfo* visual; |
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} _GLFWcontextEGL; |
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//------------------------------------------------------------------------ |
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// Platform-specific window structure |
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//------------------------------------------------------------------------ |
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typedef struct _GLFWwindowX11 |
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{ |
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// Platform specific window resources |
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Colormap colormap; // Window colormap |
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Window handle; // Window handle |
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// Various platform specific internal variables |
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GLboolean overrideRedirect; // True if window is OverrideRedirect |
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GLboolean keyboardGrabbed; // True if keyboard is currently grabbed |
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GLboolean cursorGrabbed; // True if cursor is currently grabbed |
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GLboolean cursorHidden; // True if cursor is currently hidden |
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GLboolean cursorCentered; // True if cursor was moved since last poll |
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int cursorPosX, cursorPosY; |
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} _GLFWwindowX11; |
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//------------------------------------------------------------------------ |
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// Platform-specific library global data for X11 |
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//------------------------------------------------------------------------ |
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typedef struct _GLFWlibraryX11 |
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{ |
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Display* display; |
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int screen; |
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Window root; |
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Cursor cursor; // Invisible cursor for hidden cursor |
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Atom wmDeleteWindow; // WM_DELETE_WINDOW atom |
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Atom wmName; // _NET_WM_NAME atom |
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Atom wmIconName; // _NET_WM_ICON_NAME atom |
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Atom wmPing; // _NET_WM_PING atom |
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Atom wmState; // _NET_WM_STATE atom |
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Atom wmStateFullscreen; // _NET_WM_STATE_FULLSCREEN atom |
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Atom wmActiveWindow; // _NET_ACTIVE_WINDOW atom |
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// True if window manager supports EWMH |
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GLboolean hasEWMH; |
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struct { |
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GLboolean available; |
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int eventBase; |
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int errorBase; |
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} VidMode; |
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struct { |
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GLboolean available; |
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int eventBase; |
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int errorBase; |
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int majorVersion; |
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int minorVersion; |
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GLboolean gammaBroken; |
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} RandR; |
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struct { |
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GLboolean available; |
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int majorOpcode; |
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int eventBase; |
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int errorBase; |
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int majorVersion; |
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int minorVersion; |
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} Xkb; |
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// Key code LUT (mapping X11 key codes to GLFW key codes) |
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int keyCodeLUT[256]; |
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// Screensaver data |
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struct { |
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GLboolean changed; |
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int timeout; |
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int interval; |
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int blanking; |
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int exposure; |
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} saver; |
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// Fullscreen data |
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struct { |
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GLboolean modeChanged; |
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#if defined(_GLFW_HAS_XRANDR) |
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SizeID oldSizeID; |
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int oldWidth; |
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int oldHeight; |
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Rotation oldRotation; |
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#endif /*_GLFW_HAS_XRANDR*/ |
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#if defined(_GLFW_HAS_XF86VIDMODE) |
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XF86VidModeModeInfo oldMode; |
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#endif /*_GLFW_HAS_XF86VIDMODE*/ |
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} FS; |
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// Timer data |
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struct { |
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GLboolean monotonic; |
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double resolution; |
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uint64_t base; |
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} timer; |
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// Selection data |
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struct { |
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Atom atom; |
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Atom formats[_GLFW_CLIPBOARD_FORMAT_COUNT]; |
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char* string; |
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Atom target; |
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Atom targets; |
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Atom property; |
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int status; |
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} selection; |
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} _GLFWlibraryX11; |
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//------------------------------------------------------------------------ |
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// Platform-specific library global data for EGL |
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//------------------------------------------------------------------------ |
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typedef struct _GLFWlibraryEGL |
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{ |
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EGLDisplay display; |
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EGLint majorVersion, minorVersion; |
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#if defined(_GLFW_DLOPEN_LIBEGL) |
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void* libEGL; // dlopen handle for libEGL.so |
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#endif |
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} _GLFWlibraryEGL; |
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//------------------------------------------------------------------------ |
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// Joystick information & state |
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//------------------------------------------------------------------------ |
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GLFWGLOBAL struct { |
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int Present; |
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int fd; |
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int NumAxes; |
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int NumButtons; |
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float* Axis; |
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unsigned char* Button; |
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} _glfwJoy[GLFW_JOYSTICK_LAST + 1]; |
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//======================================================================== |
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// Prototypes for platform specific internal functions |
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//======================================================================== |
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// Time |
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void _glfwInitTimer(void); |
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// OpenGL(|ES) support |
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int _glfwInitOpenGL(void); |
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void _glfwTerminateOpenGL(void); |
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int _glfwCreateContext(_GLFWwindow* window, |
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const _GLFWwndconfig* wndconfig, |
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const _GLFWfbconfig* fbconfig); |
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void _glfwDestroyContext(_GLFWwindow* window); |
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// Fullscreen support |
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int _glfwGetClosestVideoMode(int* width, int* height, int* rate); |
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void _glfwSetVideoModeMODE(int mode, int rate); |
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void _glfwSetVideoMode(int* width, int* height, int* rate); |
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void _glfwRestoreVideoMode(void); |
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// Joystick input |
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void _glfwInitJoysticks(void); |
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void _glfwTerminateJoysticks(void); |
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// Unicode support |
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long _glfwKeySym2Unicode(KeySym keysym); |
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// Clipboard handling |
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GLboolean _glfwReadSelection(XSelectionEvent* request); |
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Atom _glfwWriteSelection(XSelectionRequestEvent* request); |
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// Event processing |
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void _glfwProcessPendingEvents(void); |
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#endif // _platform_h_
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