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384 lines
12 KiB
384 lines
12 KiB
//======================================================================== |
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// GLFW - An OpenGL framework |
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// Platform: X11/GLX |
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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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// This is the X11 version of GLFW |
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#define _GLFW_X11 |
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// Include files |
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#include <sys/time.h> |
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#include <unistd.h> |
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#include <signal.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 <GL/glx.h> |
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#include "../../include/GL/glfw.h" |
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#include "x11_config.h" |
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// We need declarations for GLX version 1.3 or above even if the server doesn't |
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// support version 1.3 |
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#ifndef GLX_VERSION_1_3 |
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#error "GLX header version 1.3 or above is required" |
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#endif |
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#if defined( _GLFW_HAS_XF86VIDMODE ) && defined( _GLFW_HAS_XRANDR ) |
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#error "Xf86VidMode and RandR extensions cannot both be enabled" |
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#endif |
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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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// Pointer length integer |
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// One day, this will most likely move into glfw.h |
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typedef intptr_t GLFWintptr; |
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#ifndef GLX_SGI_swap_control |
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// Function signature for GLX_SGI_swap_control |
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typedef int ( * PFNGLXSWAPINTERVALSGIPROC) (int interval); |
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#endif /*GLX_SGI_swap_control*/ |
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#ifndef GLX_SGIX_fbconfig |
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/* Type definitions for GLX_SGIX_fbconfig */ |
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typedef XID GLXFBConfigIDSGIX; |
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typedef struct __GLXFBConfigRec *GLXFBConfigSGIX; |
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/* Function signatures for GLX_SGIX_fbconfig */ |
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typedef int ( * PFNGLXGETFBCONFIGATTRIBSGIXPROC) (Display *dpy, GLXFBConfigSGIX config, int attribute, int *value); |
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typedef GLXFBConfigSGIX * ( * PFNGLXCHOOSEFBCONFIGSGIXPROC) (Display *dpy, int screen, int *attrib_list, int *nelements); |
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typedef GLXContext ( * PFNGLXCREATECONTEXTWITHCONFIGSGIXPROC) (Display *dpy, GLXFBConfigSGIX config, int render_type, GLXContext share_list, Bool direct); |
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typedef XVisualInfo * ( * PFNGLXGETVISUALFROMFBCONFIGSGIXPROC) (Display *dpy, GLXFBConfigSGIX config); |
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/* Tokens for GLX_SGIX_fbconfig */ |
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#define GLX_WINDOW_BIT_SGIX 0x00000001 |
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#define GLX_PIXMAP_BIT_SGIX 0x00000002 |
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#define GLX_RGBA_BIT_SGIX 0x00000001 |
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#define GLX_COLOR_INDEX_BIT_SGIX 0x00000002 |
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#define GLX_DRAWABLE_TYPE_SGIX 0x8010 |
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#define GLX_RENDER_TYPE_SGIX 0x8011 |
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#define GLX_X_RENDERABLE_SGIX 0x8012 |
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#define GLX_FBCONFIG_ID_SGIX 0x8013 |
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#define GLX_RGBA_TYPE_SGIX 0x8014 |
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#define GLX_COLOR_INDEX_TYPE_SGIX 0x8015 |
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#define GLX_SCREEN_EXT 0x800C |
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#endif /*GLX_SGIX_fbconfig*/ |
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#ifndef GLX_ARB_create_context |
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/* Tokens for glXCreateContextAttribsARB attributes */ |
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#define GLX_CONTEXT_MAJOR_VERSION_ARB 0x2091 |
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#define GLX_CONTEXT_MINOR_VERSION_ARB 0x2092 |
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#define GLX_CONTEXT_FLAGS_ARB 0x2094 |
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/* Bits for WGL_CONTEXT_FLAGS_ARB */ |
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#define GLX_CONTEXT_DEBUG_BIT_ARB 0x0001 |
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#define GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB 0x0002 |
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/* Prototype for glXCreateContextAttribs */ |
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typedef GLXContext (*PFNGLXCREATECONTEXTATTRIBSARBPROC)( Display *display, GLXFBConfig config, GLXContext share_context, Bool direct, const int *attrib_list); |
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#endif /*GLX_ARB_create_context*/ |
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#ifndef GLX_ARB_create_context_profile |
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/* Tokens for glXCreateContextAttribsARB attributes */ |
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#define GLX_CONTEXT_PROFILE_MASK_ARB 0x9126 |
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/* BIts for GLX_CONTEXT_PROFILE_MASK_ARB */ |
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#define GLX_CONTEXT_CORE_PROFILE_BIT_ARB 0x00000001 |
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#define GLX_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB 0x00000002 |
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#endif /*GLX_ARB_create_context_profile*/ |
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#ifndef GL_VERSION_3_0 |
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typedef const GLubyte * (APIENTRY *PFNGLGETSTRINGIPROC) (GLenum, GLuint); |
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#endif /*GL_VERSION_3_0*/ |
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//======================================================================== |
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// Global variables (GLFW internals) |
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//======================================================================== |
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//------------------------------------------------------------------------ |
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// Window structure |
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//------------------------------------------------------------------------ |
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typedef struct _GLFWwin_struct _GLFWwin; |
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struct _GLFWwin_struct { |
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// ========= PLATFORM INDEPENDENT MANDATORY PART ========================= |
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// User callback functions |
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GLFWwindowsizefun windowSizeCallback; |
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GLFWwindowclosefun windowCloseCallback; |
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GLFWwindowrefreshfun windowRefreshCallback; |
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GLFWmousebuttonfun mouseButtonCallback; |
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GLFWmouseposfun mousePosCallback; |
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GLFWmousewheelfun mouseWheelCallback; |
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GLFWkeyfun keyCallback; |
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GLFWcharfun charCallback; |
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// User selected window settings |
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int fullscreen; // Fullscreen flag |
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int mouseLock; // Mouse-lock flag |
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int autoPollEvents; // Auto polling flag |
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int sysKeysDisabled; // System keys disabled flag |
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int windowNoResize; // Resize- and maximize gadgets disabled flag |
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int refreshRate; // Vertical monitor refresh rate |
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// Window status & parameters |
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int opened; // Flag telling if window is opened or not |
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int active; // Application active flag |
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int iconified; // Window iconified flag |
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int width, height; // Window width and heigth |
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int accelerated; // GL_TRUE if window is HW accelerated |
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// Framebuffer attributes |
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int redBits; |
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int greenBits; |
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int blueBits; |
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int alphaBits; |
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int depthBits; |
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int stencilBits; |
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int accumRedBits; |
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int accumGreenBits; |
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int accumBlueBits; |
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int accumAlphaBits; |
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int auxBuffers; |
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int stereo; |
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int samples; |
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// OpenGL extensions and context attributes |
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int glMajor, glMinor, glRevision; |
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int glForward, glDebug, glProfile; |
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PFNGLGETSTRINGIPROC GetStringi; |
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// ========= PLATFORM SPECIFIC PART ====================================== |
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// Platform specific window resources |
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Colormap colormap; // Window colormap |
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Window window; // Window |
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Window root; // Root window for screen |
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int screen; // Screen ID |
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XVisualInfo *visual; // Visual for selected GLXFBConfig |
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GLXFBConfigID fbconfigID; // ID of selected GLXFBConfig |
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GLXContext context; // OpenGL rendering context |
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Atom wmDeleteWindow; // WM_DELETE_WINDOW 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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Cursor cursor; // Invisible cursor for hidden cursor |
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// GLX extensions |
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PFNGLXSWAPINTERVALSGIPROC SwapIntervalSGI; |
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PFNGLXGETFBCONFIGATTRIBSGIXPROC GetFBConfigAttribSGIX; |
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PFNGLXCHOOSEFBCONFIGSGIXPROC ChooseFBConfigSGIX; |
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PFNGLXCREATECONTEXTWITHCONFIGSGIXPROC CreateContextWithConfigSGIX; |
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PFNGLXGETVISUALFROMFBCONFIGSGIXPROC GetVisualFromFBConfigSGIX; |
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PFNGLXCREATECONTEXTATTRIBSARBPROC CreateContextAttribsARB; |
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GLboolean has_GLX_SGIX_fbconfig; |
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GLboolean has_GLX_SGI_swap_control; |
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GLboolean has_GLX_ARB_multisample; |
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GLboolean has_GLX_ARB_create_context; |
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GLboolean has_GLX_ARB_create_context_profile; |
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// Various platform specific internal variables |
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GLboolean hasEWMH; // True if window manager supports EWMH |
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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 pointerGrabbed; // True if pointer is currently grabbed |
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GLboolean pointerHidden; // True if pointer is currently hidden |
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// Screensaver data |
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struct { |
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int 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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int modeChanged; |
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#if defined( _GLFW_HAS_XF86VIDMODE ) |
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XF86VidModeModeInfo oldMode; |
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#endif |
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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 |
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} FS; |
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}; |
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GLFWGLOBAL _GLFWwin _glfwWin; |
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//------------------------------------------------------------------------ |
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// User input status (most of this should go in _GLFWwin) |
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//------------------------------------------------------------------------ |
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GLFWGLOBAL struct { |
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// ========= PLATFORM INDEPENDENT MANDATORY PART ========================= |
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// Mouse status |
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int MousePosX, MousePosY; |
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int WheelPos; |
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char MouseButton[ GLFW_MOUSE_BUTTON_LAST+1 ]; |
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// Keyboard status |
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char Key[ GLFW_KEY_LAST+1 ]; |
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int LastChar; |
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// User selected settings |
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int StickyKeys; |
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int StickyMouseButtons; |
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int KeyRepeat; |
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// ========= PLATFORM SPECIFIC PART ====================================== |
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// Platform specific internal variables |
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int MouseMoved, CursorPosX, CursorPosY; |
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} _glfwInput; |
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//------------------------------------------------------------------------ |
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// Library global data |
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//------------------------------------------------------------------------ |
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GLFWGLOBAL struct { |
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// ========= PLATFORM INDEPENDENT MANDATORY PART ========================= |
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// Window opening hints |
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_GLFWhints hints; |
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// ========= PLATFORM SPECIFIC PART ====================================== |
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Display *display; |
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// Server-side GLX version |
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int glxMajor, glxMinor; |
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struct { |
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int available; |
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int eventBase; |
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int errorBase; |
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} XF86VidMode; |
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struct { |
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int available; |
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int eventBase; |
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int errorBase; |
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} XRandR; |
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// Timer data |
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struct { |
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double resolution; |
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long long t0; |
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} Timer; |
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#if defined(_GLFW_DLOPEN_LIBGL) |
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struct { |
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void *libGL; // dlopen handle for libGL.so |
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} Libs; |
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#endif |
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} _glfwLibrary; |
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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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// Fullscreen support |
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int _glfwGetClosestVideoMode( int screen, int *width, int *height, int *rate ); |
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void _glfwSetVideoModeMODE( int screen, int mode, int rate ); |
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void _glfwSetVideoMode( int screen, 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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#endif // _platform_h_
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