/* * Mesa 3-D graphics library * Version: 6.1 * * Copyright (C) 1999-2004 Brian Paul All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /** * \file miniglx.h * \brief Mini GLX interface functions. * \author Brian Paul * * See comments miniglx.c for more information. */ #ifndef MINIGLX_H #define MINIGLX_H #include <GL/gl.h> #include <stdlib.h> #ifdef __cplusplus extern "C" { #endif /** * \name Replacement Xlib/GLX types */ /*@{*/ /** * \brief Boolean type. * * It can have the values #True or #False. */ #ifndef MINIGLX_NO_XTYPES typedef int Bool; #endif typedef int MINI_Bool; /** * \brief Color map. * * Alias for private ::MiniGLXColormapRec structure. */ typedef struct MiniGLXColormapRec *MINI_Colormap; #ifndef MINIGLX_NO_XTYPES typedef struct MiniGLXColormapRec *Colormap; #endif /** * \brief Window attributes. */ typedef struct MiniGLXSetWindowAttributesRec { int background_pixel; /**< \brief background pixel */ int border_pixel; /**< \brief border pixel value */ MINI_Colormap colormap; /**< \brief color map to be associated with window */ int event_mask; /**< \brief set of events that should be saved */ } XSetWindowAttributes; /** * \brief Visual. * * Alias for the private ::MiniGLXVisualRec structure. * * \sa \ref datatypes. */ typedef struct MiniGLXVisualRec Visual; /** * \brief Visual information. * * \sa \ref datatypes. */ #ifndef MINIGLX_NO_XTYPES typedef unsigned long VisualID; #endif typedef unsigned long MINI_VisualID; typedef struct MiniGLXXVisualInfoRec { Visual *visual; /**< \brief pointer to the GLX Visual */ MINI_VisualID visualid; /**< \brief visual ID */ int screen; /**< \brief screen number */ int depth; /**< \brief bit depth */ #if defined(__cplusplus) || defined(c_plusplus) int c_class; /**< \brief class */ #else int class; /**< \brief class */ #endif int bits_per_rgb; /**< \brief total bits per pixel */ } XVisualInfo; /** * \brief GLX Frame Buffer Configuration (for pbuffers) * \sa \ref datatypes. */ typedef struct MiniGLXFBConfigRec { XVisualInfo *visInfo; } GLXFBConfig; /** * \brief Display handle. * * Alias for the private ::MiniGLXDisplayRec structure. * * \sa \ref datatypes. */ #ifndef MINIGLX_NO_XTYPES typedef struct MiniGLXDisplayRec Display; #endif typedef struct MiniGLXDisplayRec MINI_Display; /** * \brief Window handle. * * Alias for the private ::MiniGLXWindowRec structure. * * \sa \ref datatypes. */ #ifndef MINIGLX_NO_XTYPES typedef struct MiniGLXWindowRec *Window; #endif typedef struct MiniGLXWindowRec *MINI_Window; /** * \brief Drawable. * * Alias for the private ::MiniGLXWindowRec structure. * * For Mini GLX only the full-screen window can be used as source and * destination in graphics operations. * * \sa \ref datatypes. */ #ifndef MINIGLX_NO_XTYPES typedef struct MiniGLXWindowRec *Drawable; #endif typedef struct MiniGLXWindowRec *MINI_Drawable; /** * \brief GLX drawable. * * Alias for the private ::MiniGLXWindowRec structure. * * Same as #Drawable. * * \sa \ref datatypes. */ typedef struct MiniGLXWindowRec *GLXDrawable; /** * \brief GLX pbuffer. * * Alias for the private ::MiniGLXWindowRec structure. * * Same as #Drawable. * * \sa \ref datatypes. */ typedef struct MiniGLXWindowRec *GLXPbuffer; /** * \brief GLX context. * * Alias for the private ::MiniGLXContext structure. * * \sa \ref datatypes. */ typedef struct MiniGLXContextRec *GLXContext; /*@}*/ typedef struct { int type; unsigned long serial; /* # of last request processed by server */ MINI_Bool send_event; /* true if this came from a SendEvent request */ MINI_Display *display; /* Display the event was read from */ MINI_Window window; int x, y; int width, height; int count; /* if non-zero, at least this many more */ } XExposeEvent; typedef struct { int type; unsigned long serial; /* # of last request processed by server */ MINI_Bool send_event; /* true if this came from a SendEvent request */ MINI_Display *display; /* Display the event was read from */ MINI_Window parent; /* parent of the window */ MINI_Window window; /* window id of window created */ int x, y; /* window location */ int width, height; /* size of window */ int border_width; /* border width */ MINI_Bool override_redirect; /* creation should be overridden */ } XCreateWindowEvent; typedef struct { int type; unsigned long serial; /* # of last request processed by server */ MINI_Bool send_event; /* true if this came from a SendEvent request */ MINI_Display *display; /* Display the event was read from */ MINI_Window event; MINI_Window window; } XDestroyWindowEvent; typedef struct { int type; unsigned long serial; /* # of last request processed by server */ MINI_Bool send_event; /* true if this came from a SendEvent request */ MINI_Display *display; /* Display the event was read from */ MINI_Window event; MINI_Window window; MINI_Bool from_configure; } XUnmapEvent; typedef struct { int type; unsigned long serial; /* # of last request processed by server */ MINI_Bool send_event; /* true if this came from a SendEvent request */ MINI_Display *display; /* Display the event was read from */ MINI_Window event; MINI_Window window; MINI_Bool override_redirect; /* boolean, is override set... */ } XMapEvent; typedef struct { int type; unsigned long serial; /* # of last request processed by server */ MINI_Bool send_event; /* true if this came from a SendEvent request */ MINI_Display *display; /* Display the event was read from */ MINI_Window parent; MINI_Window window; } XMapRequestEvent; typedef union _XEvent { int type; /* must not be changed; first element */ XExposeEvent xexpose; XCreateWindowEvent xcreatewindow; XDestroyWindowEvent xdestroywindow; XUnmapEvent xunmap; XMapEvent xmap; XMapRequestEvent xmaprequest; long pad[24]; } XEvent; /** * \name Xlib constants */ /*@{*/ #define False 0 #define True 1 #define None 0 #define AllocNone 0 #define InputOutput 1 #define ExposureMask (1L<<15) #define StructureNotifyMask (1L<<17) #define CWBackPixel (1L<<1) #define CWBorderPixel (1L<<3) #define CWEventMask (1L<<11) #define CWColormap (1L<<13) #define PseudoColor 3 #define TrueColor 4 #define VisualIDMask 0x1 #define VisualScreenMask 0x2 #define Expose 12 #define CreateNotify 16 #define DestroyNotify 17 #define UnmapNotify 18 #define MapNotify 19 #define MapRequest 20 /*@}*/ /** * \name Standard GLX tokens */ /*@{*/ #define GLX_USE_GL 1 #define GLX_BUFFER_SIZE 2 #define GLX_LEVEL 3 #define GLX_RGBA 4 #define GLX_DOUBLEBUFFER 5 #define GLX_STEREO 6 #define GLX_AUX_BUFFERS 7 #define GLX_RED_SIZE 8 #define GLX_GREEN_SIZE 9 #define GLX_BLUE_SIZE 10 #define GLX_ALPHA_SIZE 11 #define GLX_DEPTH_SIZE 12 #define GLX_STENCIL_SIZE 13 #define GLX_ACCUM_RED_SIZE 14 #define GLX_ACCUM_GREEN_SIZE 15 #define GLX_ACCUM_BLUE_SIZE 16 #define GLX_ACCUM_ALPHA_SIZE 17 #define GLX_BAD_ATTRIBUTE 1 #define GLX_BAD_VISUAL 4 /*@}*/ /** * \name Unique to Mini GLX * * At compile time, the Mini GLX interface version can be tested with the * MINI_GLX_VERSION_1_x preprocessor tokens. * * \sa glXQueryVersion() */ /*@{*/ /** \brief Defined if version 1.0 of Mini GLX is supported. */ #define MINI_GLX_VERSION_1_0 1 /** \brief Defined if version 1.1 of Mini GLX is supported. */ #define MINI_GLX_VERSION_1_1 1 /*@}*/ /** * \name Server-specific functions */ extern MINI_Display * __miniglx_StartServer( const char *display_name ); extern int __miniglx_Select( MINI_Display *dpy, int maxfd, fd_set *rfds, fd_set *wfds, fd_set *xfds, struct timeval *tv ); /** * \name Simulated Xlib functions */ /*@{*/ extern MINI_Display * XOpenDisplay( const char *dpy_name ); extern void XCloseDisplay( MINI_Display *display ); extern MINI_Window XCreateWindow( MINI_Display *display, MINI_Window parent, int x, int y, unsigned int width, unsigned int height, unsigned int border_width, int depth, unsigned int winclass, Visual *visual, unsigned long valuemask, XSetWindowAttributes *attributes ); extern int XNextEvent(MINI_Display *display, XEvent *event_return); extern MINI_Bool XCheckMaskEvent( MINI_Display *dpy, long event_mask, XEvent *event_return ); /** * \brief Return the root window. * * \param display the display handle. It is ignored by Mini GLX, but should be * the value returned by XOpenDisplay(). * \param screen the screen number on the host server. It is ignored by Mini * GLX but should be zero. * * \return the root window. Always zero on Mini GLX. */ #define RootWindow(display, screen) 0 #define DefaultScreen(dpy) 0 extern void XDestroyWindow( MINI_Display *display, MINI_Window w ); extern void XMapWindow( MINI_Display *display, MINI_Window w ); /* Should clients have access to this? */ extern void XUnmapWindow( MINI_Display *display, MINI_Window w ); extern MINI_Colormap XCreateColormap( MINI_Display *display, MINI_Window w, Visual *visual, int alloc ); extern void XFreeColormap( MINI_Display *display, MINI_Colormap cmap ); extern void XFree( void *data ); extern XVisualInfo * XGetVisualInfo( MINI_Display *display, long vinfo_mask, XVisualInfo *vinfo_template, int *nitems_return ); /*@}*/ /** * \name GLX functions */ /*@{*/ extern XVisualInfo* glXChooseVisual( MINI_Display *dpy, int screen, int *attribList ); extern int glXGetConfig( MINI_Display *dpy, XVisualInfo *vis, int attrib, int *value ); extern GLXContext glXCreateContext( MINI_Display *dpy, XVisualInfo *vis, GLXContext shareList, MINI_Bool direct ); extern void glXDestroyContext( MINI_Display *dpy, GLXContext ctx ); extern MINI_Bool glXMakeCurrent( MINI_Display *dpy, GLXDrawable drawable, GLXContext ctx); extern void glXSwapBuffers( MINI_Display *dpy, GLXDrawable drawable ); extern GLXContext glXGetCurrentContext( void ); extern GLXDrawable glXGetCurrentDrawable( void ); extern void (*glXGetProcAddress(const GLubyte *procname))( void ); extern MINI_Bool glXQueryVersion( MINI_Display *dpy, int *major, int *minor ); /* Added in MiniGLX 1.1 */ extern GLXPbuffer glXCreatePbuffer( MINI_Display *dpy, GLXFBConfig config, const int *attribList ); extern void glXDestroyPbuffer( MINI_Display *dpy, GLXPbuffer pbuf ); extern GLXFBConfig * glXChooseFBConfig( MINI_Display *dpy, int screen, const int *attribList, int *nitems ); extern XVisualInfo * glXGetVisualFromFBConfig( MINI_Display *dpy, GLXFBConfig config ); extern void *glXAllocateMemoryMESA(Display *dpy, int scrn, size_t size, float readFreq, float writeFreq, float priority); extern void glXFreeMemoryMESA(Display *dpy, int scrn, void *pointer); extern GLuint glXGetMemoryOffsetMESA( Display *dpy, int scrn, const void *pointer ); /*@}*/ extern void __glXScrEnableExtension( void *, const char * name ); /*@}*/ #ifdef __cplusplus } #endif #endif /* MINIGLX_H */