From 812ebe200d88843f674926fbb245239e6758cc64 Mon Sep 17 00:00:00 2001 From: Cloudef Date: Wed, 25 Apr 2012 07:58:07 +0300 Subject: [PATCH] Add EGL X11 platform header --- src/x11_egl_platform.h | 285 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 285 insertions(+) create mode 100644 src/x11_egl_platform.h diff --git a/src/x11_egl_platform.h b/src/x11_egl_platform.h new file mode 100644 index 00000000..b1fb53cb --- /dev/null +++ b/src/x11_egl_platform.h @@ -0,0 +1,285 @@ +//======================================================================== +// GLFW - An OpenGL library +// Platform: X11/EGL +// API version: 3.0 +// WWW: http://www.glfw.org/ +//------------------------------------------------------------------------ +// Copyright (c) 2002-2006 Marcus Geelnard +// Copyright (c) 2006-2010 Camilla Berglund +// +// 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 _platform_h_ +#define _platform_h_ + +#include +#include +#include +#include +#include +#include +#include + +// Include EGL +#include + +// With XFree86, we can use the XF86VidMode extension +#if defined(_GLFW_HAS_XF86VIDMODE) + #include +#endif + +#if defined(_GLFW_HAS_XRANDR) + #include +#endif + +// Do we have support for dlopen/dlsym? +#if defined(_GLFW_HAS_DLOPEN) + #include +#endif + +// The Xkb extension provides improved keyboard support +#if defined(_GLFW_HAS_XKB) + #include +#endif + +// We support two different ways for getting addresses for EGL +// extension functions: eglGetProcAddress and dlsym +#if defined(_GLFW_HAS_EGLGETPROCADDRESS) + #define _glfw_eglGetProcAddress(x) eglGetProcAddress(x) +#elif defined(_GLFW_HAS_DLOPEN) + #define _glfw_eglGetProcAddress(x) dlsym(_glfwLibrary.EGL.libEGL, x) + #define _GLFW_DLOPEN_LIBEGL +#else + #error "No OpenGL entry point retrieval mechanism was enabled" +#endif + +#define _GLFW_PLATFORM_WINDOW_STATE _GLFWwindowX11 X11 +#define _GLFW_PLATFORM_CONTEXT_STATE _GLFWcontextEGL EGL +#define _GLFW_PLATFORM_LIBRARY_WINDOW_STATE _GLFWlibraryX11 X11 +#define _GLFW_PLATFORM_LIBRARY_OPENGL_STATE _GLFWlibraryEGL EGL + +// Clipboard format atom indices +#define _GLFW_CLIPBOARD_FORMAT_UTF8 0 +#define _GLFW_CLIPBOARD_FORMAT_COMPOUND 1 +#define _GLFW_CLIPBOARD_FORMAT_STRING 2 +#define _GLFW_CLIPBOARD_FORMAT_COUNT 3 + +// Clipboard conversion status tokens +#define _GLFW_CONVERSION_INACTIVE 0 +#define _GLFW_CONVERSION_SUCCEEDED 1 +#define _GLFW_CONVERSION_FAILED 2 + + +//======================================================================== +// GLFW platform specific types +//======================================================================== + +//------------------------------------------------------------------------ +// Pointer length integer +//------------------------------------------------------------------------ +typedef intptr_t GLFWintptr; + + +//------------------------------------------------------------------------ +// Platform-specific OpenGL context structure +//------------------------------------------------------------------------ +typedef struct _GLFWcontextEGL +{ + EGLConfig config; + EGLContext context; + EGLSurface surface; + XVisualInfo* visual; +} _GLFWcontextEGL; + + +//------------------------------------------------------------------------ +// Platform-specific window structure +//------------------------------------------------------------------------ +typedef struct _GLFWwindowX11 +{ + // Platform specific window resources + Colormap colormap; // Window colormap + Window handle; // Window handle + + // Various platform specific internal variables + GLboolean overrideRedirect; // True if window is OverrideRedirect + GLboolean keyboardGrabbed; // True if keyboard is currently grabbed + GLboolean cursorGrabbed; // True if cursor is currently grabbed + GLboolean cursorHidden; // True if cursor is currently hidden + GLboolean cursorCentered; // True if cursor was moved since last poll + int cursorPosX, cursorPosY; + +} _GLFWwindowX11; + +//------------------------------------------------------------------------ +// Platform-specific library global data for X11 +//------------------------------------------------------------------------ +typedef struct _GLFWlibraryX11 +{ + Display* display; + int screen; + Window root; + Cursor cursor; // Invisible cursor for hidden cursor + + Atom wmDeleteWindow; // WM_DELETE_WINDOW atom + Atom wmName; // _NET_WM_NAME atom + Atom wmIconName; // _NET_WM_ICON_NAME atom + Atom wmPing; // _NET_WM_PING atom + Atom wmState; // _NET_WM_STATE atom + Atom wmStateFullscreen; // _NET_WM_STATE_FULLSCREEN atom + Atom wmActiveWindow; // _NET_ACTIVE_WINDOW atom + + // True if window manager supports EWMH + GLboolean hasEWMH; + + struct { + GLboolean available; + int eventBase; + int errorBase; + } VidMode; + + struct { + GLboolean available; + int eventBase; + int errorBase; + int majorVersion; + int minorVersion; + GLboolean gammaBroken; + } RandR; + + struct { + GLboolean available; + int majorOpcode; + int eventBase; + int errorBase; + int majorVersion; + int minorVersion; + } Xkb; + + // Key code LUT (mapping X11 key codes to GLFW key codes) + int keyCodeLUT[256]; + + // Screensaver data + struct { + GLboolean changed; + int timeout; + int interval; + int blanking; + int exposure; + } saver; + + // Fullscreen data + struct { + GLboolean modeChanged; +#if defined(_GLFW_HAS_XRANDR) + SizeID oldSizeID; + int oldWidth; + int oldHeight; + Rotation oldRotation; +#endif /*_GLFW_HAS_XRANDR*/ +#if defined(_GLFW_HAS_XF86VIDMODE) + XF86VidModeModeInfo oldMode; +#endif /*_GLFW_HAS_XF86VIDMODE*/ + } FS; + + // Timer data + struct { + GLboolean monotonic; + double resolution; + uint64_t base; + } timer; + + // Selection data + struct { + Atom atom; + Atom formats[_GLFW_CLIPBOARD_FORMAT_COUNT]; + char* string; + Atom target; + Atom targets; + Atom property; + int status; + } selection; + +} _GLFWlibraryX11; + +//------------------------------------------------------------------------ +// Platform-specific library global data for EGL +//------------------------------------------------------------------------ +typedef struct _GLFWlibraryEGL +{ + EGLDisplay display; + EGLint majorVersion, minorVersion; + +#if defined(_GLFW_DLOPEN_LIBEGL) + void* libEGL; // dlopen handle for libEGL.so +#endif +} _GLFWlibraryEGL; + +//------------------------------------------------------------------------ +// Joystick information & state +//------------------------------------------------------------------------ +GLFWGLOBAL struct { + int Present; + int fd; + int NumAxes; + int NumButtons; + float* Axis; + unsigned char* Button; +} _glfwJoy[GLFW_JOYSTICK_LAST + 1]; + + +//======================================================================== +// Prototypes for platform specific internal functions +//======================================================================== + +// Time +void _glfwInitTimer(void); + +// OpenGL(|ES) support +int _glfwInitOpenGL(void); +void _glfwTerminateOpenGL(void); +int _glfwCreateContext(_GLFWwindow* window, + const _GLFWwndconfig* wndconfig, + const _GLFWfbconfig* fbconfig); +void _glfwDestroyContext(_GLFWwindow* window); + +// Fullscreen support +int _glfwGetClosestVideoMode(int* width, int* height, int* rate); +void _glfwSetVideoModeMODE(int mode, int rate); +void _glfwSetVideoMode(int* width, int* height, int* rate); +void _glfwRestoreVideoMode(void); + +// Joystick input +void _glfwInitJoysticks(void); +void _glfwTerminateJoysticks(void); + +// Unicode support +long _glfwKeySym2Unicode(KeySym keysym); + +// Clipboard handling +GLboolean _glfwReadSelection(XSelectionEvent* request); +Atom _glfwWriteSelection(XSelectionRequestEvent* request); + +// Event processing +void _glfwProcessPendingEvents(void); + +#endif // _platform_h_