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+/*
+ * 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 */